Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r047-tall-177946846500089.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CANInsertWithFailure-PT-010, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846500089
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 9.2K Mar 6 10:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 10:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K Mar 6 10:36 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:53 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:53 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:53 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:53 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 10:37 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 10:37 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 6 10:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:53 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:53 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 698K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-00
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-01
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-02
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-03
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-04
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-05
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-06
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-07
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-08
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-09
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-10
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-11
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-12
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-13
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-14
FORMULA_NAME CANInsertWithFailure-PT-010-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779485528352

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANInsertWithFailure-PT-010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 21:32:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 21:32:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 21:32:09] [INFO ] Load time of PNML (sax parser for PT used): 102 ms
[2026-05-22 21:32:09] [INFO ] Transformed 324 places.
[2026-05-22 21:32:09] [INFO ] Transformed 660 transitions.
[2026-05-22 21:32:09] [INFO ] Parsed PT model containing 324 places and 660 transitions and 1800 arcs in 192 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 660 rows 324 cols
[2026-05-22 21:32:09] [INFO ] Computed 13 invariants in 30 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[10, 1, 10, 10, 10, 1, 10, 10, 10, 10, 10, 10, 10, 1, 10, 1]
FORMULA CANInsertWithFailure-PT-010-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (47 resets) in 47 ms. (208 steps per ms)
FORMULA CANInsertWithFailure-PT-010-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CANInsertWithFailure-PT-010-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA CANInsertWithFailure-PT-010-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120010 steps (65 resets) in 124 ms. (960 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
[2026-05-22 21:32:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:10] [INFO ] [Real]Absence check using 11 positive place invariants in 16 ms returned sat
[2026-05-22 21:32:10] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 10 ms returned sat
[2026-05-22 21:32:10] [INFO ] [Real]Absence check using state equation in 175 ms returned sat
[2026-05-22 21:32:10] [INFO ] State equation strengthened by 190 read => feed constraints.
[2026-05-22 21:32:10] [INFO ] [Real]Added 190 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:32:10] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:10] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 21:32:10] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:10] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2026-05-22 21:32:10] [INFO ] [Nat]Added 190 Read/Feed constraints in 80 ms returned sat
[2026-05-22 21:32:10] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 40 ms.
[2026-05-22 21:32:11] [INFO ] Added : 63 causal constraints over 13 iterations in 561 ms. Result :sat
Minimization took 504 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:11] [INFO ] [Real]Absence check using 11 positive place invariants in 18 ms returned sat
[2026-05-22 21:32:11] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:12] [INFO ] [Real]Absence check using state equation in 120 ms returned sat
[2026-05-22 21:32:12] [INFO ] [Real]Added 190 Read/Feed constraints in 29 ms returned sat
[2026-05-22 21:32:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:12] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:12] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:12] [INFO ] [Nat]Absence check using state equation in 124 ms returned sat
[2026-05-22 21:32:12] [INFO ] [Nat]Added 190 Read/Feed constraints in 73 ms returned sat
[2026-05-22 21:32:12] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 29 ms.
[2026-05-22 21:32:12] [INFO ] Added : 41 causal constraints over 9 iterations in 355 ms. Result :sat
Minimization took 500 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:13] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:13] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-22 21:32:13] [INFO ] [Real]Absence check using state equation in 125 ms returned sat
[2026-05-22 21:32:13] [INFO ] [Real]Added 190 Read/Feed constraints in 24 ms returned sat
[2026-05-22 21:32:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:13] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 21:32:13] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:13] [INFO ] [Nat]Absence check using state equation in 123 ms returned sat
[2026-05-22 21:32:13] [INFO ] [Nat]Added 190 Read/Feed constraints in 84 ms returned sat
[2026-05-22 21:32:13] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 35 ms.
[2026-05-22 21:32:14] [INFO ] Added : 56 causal constraints over 12 iterations in 462 ms. Result :sat
Minimization took 514 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:14] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 21:32:14] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:14] [INFO ] [Real]Absence check using state equation in 117 ms returned sat
[2026-05-22 21:32:15] [INFO ] [Real]Added 190 Read/Feed constraints in 26 ms returned sat
[2026-05-22 21:32:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:15] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:15] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:15] [INFO ] [Nat]Absence check using state equation in 110 ms returned sat
[2026-05-22 21:32:15] [INFO ] [Nat]Added 190 Read/Feed constraints in 67 ms returned sat
[2026-05-22 21:32:15] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 38 ms.
[2026-05-22 21:32:15] [INFO ] Added : 47 causal constraints over 10 iterations in 380 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:16] [INFO ] [Real]Absence check using 11 positive place invariants in 11 ms returned sat
[2026-05-22 21:32:16] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:16] [INFO ] [Real]Absence check using state equation in 106 ms returned sat
[2026-05-22 21:32:16] [INFO ] [Real]Added 190 Read/Feed constraints in 18 ms returned sat
[2026-05-22 21:32:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:16] [INFO ] [Nat]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 21:32:16] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:16] [INFO ] [Nat]Absence check using state equation in 113 ms returned sat
[2026-05-22 21:32:16] [INFO ] [Nat]Added 190 Read/Feed constraints in 62 ms returned sat
[2026-05-22 21:32:16] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 31 ms.
[2026-05-22 21:32:17] [INFO ] Added : 47 causal constraints over 10 iterations in 389 ms. Result :sat
Minimization took 502 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:17] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:17] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:17] [INFO ] [Real]Absence check using state equation in 135 ms returned sat
[2026-05-22 21:32:17] [INFO ] [Real]Added 190 Read/Feed constraints in 26 ms returned sat
[2026-05-22 21:32:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:17] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:17] [INFO ] [Nat]Absence check using state equation in 115 ms returned sat
[2026-05-22 21:32:18] [INFO ] [Nat]Added 190 Read/Feed constraints in 52 ms returned sat
[2026-05-22 21:32:18] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 32 ms.
[2026-05-22 21:32:18] [INFO ] Added : 46 causal constraints over 10 iterations in 377 ms. Result :sat
Minimization took 501 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:18] [INFO ] [Real]Absence check using 11 positive place invariants in 7 ms returned sat
[2026-05-22 21:32:18] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 3 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:19] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:19] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:19] [INFO ] [Real]Absence check using state equation in 109 ms returned sat
[2026-05-22 21:32:19] [INFO ] [Real]Added 190 Read/Feed constraints in 16 ms returned sat
[2026-05-22 21:32:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:19] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:19] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:19] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2026-05-22 21:32:19] [INFO ] [Nat]Added 190 Read/Feed constraints in 61 ms returned sat
[2026-05-22 21:32:19] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 24 ms.
[2026-05-22 21:32:19] [INFO ] Added : 39 causal constraints over 8 iterations in 296 ms. Result :sat
Minimization took 502 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:20] [INFO ] [Real]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-22 21:32:20] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:20] [INFO ] [Real]Absence check using state equation in 119 ms returned sat
[2026-05-22 21:32:20] [INFO ] [Real]Added 190 Read/Feed constraints in 20 ms returned sat
[2026-05-22 21:32:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:20] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:20] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:20] [INFO ] [Nat]Absence check using state equation in 117 ms returned sat
[2026-05-22 21:32:20] [INFO ] [Nat]Added 190 Read/Feed constraints in 63 ms returned sat
[2026-05-22 21:32:20] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 31 ms.
[2026-05-22 21:32:21] [INFO ] Added : 55 causal constraints over 11 iterations in 429 ms. Result :sat
Minimization took 487 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:21] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-22 21:32:21] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:21] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2026-05-22 21:32:21] [INFO ] [Real]Added 190 Read/Feed constraints in 29 ms returned sat
[2026-05-22 21:32:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:21] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:21] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:22] [INFO ] [Nat]Absence check using state equation in 108 ms returned sat
[2026-05-22 21:32:22] [INFO ] [Nat]Added 190 Read/Feed constraints in 47 ms returned sat
[2026-05-22 21:32:22] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 29 ms.
[2026-05-22 21:32:22] [INFO ] Added : 29 causal constraints over 6 iterations in 255 ms. Result :sat
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:22] [INFO ] [Real]Absence check using 11 positive place invariants in 8 ms returned sat
[2026-05-22 21:32:22] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:23] [INFO ] [Real]Absence check using state equation in 111 ms returned sat
[2026-05-22 21:32:23] [INFO ] [Real]Added 190 Read/Feed constraints in 16 ms returned sat
[2026-05-22 21:32:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:23] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:23] [INFO ] [Nat]Absence check using 11 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:23] [INFO ] [Nat]Absence check using state equation in 106 ms returned sat
[2026-05-22 21:32:23] [INFO ] [Nat]Added 190 Read/Feed constraints in 71 ms returned sat
[2026-05-22 21:32:23] [INFO ] Computed and/alt/rep : 620/990/620 causal constraints (skipped 30 transitions) in 31 ms.
[2026-05-22 21:32:23] [INFO ] Added : 55 causal constraints over 11 iterations in 397 ms. Result :sat
Minimization took 503 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:32:24] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-22 21:32:24] [INFO ] [Real]Absence check using 11 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:24] [INFO ] [Real]Absence check using state equation in 115 ms returned sat
[2026-05-22 21:32:24] [INFO ] [Real]Added 190 Read/Feed constraints in 18 ms returned unsat
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 9] Max Struct:[10, 10, 10, 10, 10, 10, 1, 10, 10, 10, 10, 9]
FORMULA CANInsertWithFailure-PT-010-UpperBounds-14 9 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA CANInsertWithFailure-PT-010-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
Support contains 10 out of 324 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 324/324 places, 660/660 transitions.
Graph (complete) has 951 edges and 324 vertex of which 323 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 70 transitions
Trivial Post-agglo rules discarded 70 transitions
Performed 70 trivial Post agglomeration. Transition count delta: 70
Iterating post reduction 0 with 70 rules applied. Total rules applied 71 place count 323 transition count 590
Reduce places removed 70 places and 0 transitions.
Iterating post reduction 1 with 70 rules applied. Total rules applied 141 place count 253 transition count 590
Performed 85 Post agglomeration using F-continuation condition.Transition count delta: 85
Deduced a syphon composed of 85 places in 1 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 2 with 170 rules applied. Total rules applied 311 place count 168 transition count 505
Drop transitions (Redundant composition of simpler transitions.) removed 68 transitions
Redundant transition composition rules discarded 68 transitions
Iterating global reduction 2 with 68 rules applied. Total rules applied 379 place count 168 transition count 437
Partial Free-agglomeration rule applied 113 times.
Drop transitions (Partial Free agglomeration) removed 113 transitions
Iterating global reduction 2 with 113 rules applied. Total rules applied 492 place count 168 transition count 437
Applied a total of 492 rules in 98 ms. Remains 168 /324 variables (removed 156) and now considering 437/660 (removed 223) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 104 ms. Remains : 168/324 places, 437/660 transitions.
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:32:24] [INFO ] Computed 12 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
RANDOM walk for 1000000 steps (19761 resets) in 2309 ms. (432 steps per ms)
BEST_FIRST walk for 10000010 steps (19318 resets) in 5184 ms. (1928 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
[2026-05-22 21:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:32] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:32] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-22 21:32:32] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-22 21:32:32] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:32:32] [INFO ] [Real]Added 386 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:32:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:32] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:32] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:32] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2026-05-22 21:32:32] [INFO ] [Nat]Added 386 Read/Feed constraints in 53 ms returned sat
[2026-05-22 21:32:32] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 22 ms.
[2026-05-22 21:32:32] [INFO ] Added : 12 causal constraints over 3 iterations in 130 ms. Result :sat
Minimization took 479 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:33] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Real]Added 386 Read/Feed constraints in 31 ms returned sat
[2026-05-22 21:32:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:33] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Nat]Added 386 Read/Feed constraints in 50 ms returned sat
[2026-05-22 21:32:33] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 19 ms.
[2026-05-22 21:32:33] [INFO ] Added : 11 causal constraints over 3 iterations in 122 ms. Result :sat
Minimization took 383 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:33] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:33] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Real]Added 386 Read/Feed constraints in 29 ms returned sat
[2026-05-22 21:32:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:34] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Nat]Added 386 Read/Feed constraints in 33 ms returned sat
[2026-05-22 21:32:34] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 24 ms.
[2026-05-22 21:32:34] [INFO ] Added : 7 causal constraints over 2 iterations in 99 ms. Result :sat
Minimization took 326 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:34] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Real]Added 386 Read/Feed constraints in 36 ms returned sat
[2026-05-22 21:32:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:34] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-22 21:32:34] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Nat]Added 386 Read/Feed constraints in 72 ms returned sat
[2026-05-22 21:32:35] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 25 ms.
[2026-05-22 21:32:35] [INFO ] Added : 12 causal constraints over 3 iterations in 188 ms. Result :sat
Minimization took 368 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:35] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Real]Added 386 Read/Feed constraints in 46 ms returned sat
[2026-05-22 21:32:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:35] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-22 21:32:35] [INFO ] [Nat]Added 386 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:32:35] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 24 ms.
[2026-05-22 21:32:36] [INFO ] Added : 5 causal constraints over 1 iterations in 88 ms. Result :sat
Minimization took 435 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:36] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:36] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:36] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2026-05-22 21:32:36] [INFO ] [Real]Added 386 Read/Feed constraints in 43 ms returned sat
[2026-05-22 21:32:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:36] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:36] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:36] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-22 21:32:36] [INFO ] [Nat]Added 386 Read/Feed constraints in 46 ms returned sat
[2026-05-22 21:32:36] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 21 ms.
[2026-05-22 21:32:36] [INFO ] Added : 11 causal constraints over 3 iterations in 130 ms. Result :sat
Minimization took 387 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:37] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2026-05-22 21:32:37] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:37] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-22 21:32:37] [INFO ] [Real]Added 386 Read/Feed constraints in 28 ms returned sat
[2026-05-22 21:32:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:37] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:37] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:37] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-22 21:32:37] [INFO ] [Nat]Added 386 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:32:37] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 21 ms.
[2026-05-22 21:32:37] [INFO ] Added : 4 causal constraints over 1 iterations in 78 ms. Result :sat
Minimization took 290 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:38] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Real]Added 386 Read/Feed constraints in 33 ms returned sat
[2026-05-22 21:32:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:38] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Nat]Added 386 Read/Feed constraints in 46 ms returned sat
[2026-05-22 21:32:38] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 18 ms.
[2026-05-22 21:32:38] [INFO ] Added : 10 causal constraints over 2 iterations in 96 ms. Result :sat
Minimization took 347 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:38] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:32:38] [INFO ] [Real]Added 386 Read/Feed constraints in 30 ms returned sat
[2026-05-22 21:32:38] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Nat]Added 386 Read/Feed constraints in 44 ms returned sat
[2026-05-22 21:32:39] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 18 ms.
[2026-05-22 21:32:39] [INFO ] Added : 9 causal constraints over 2 iterations in 87 ms. Result :sat
Minimization took 382 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:39] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Real]Added 386 Read/Feed constraints in 25 ms returned sat
[2026-05-22 21:32:39] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:32:39] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:32:39] [INFO ] [Nat]Added 386 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:32:39] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 19 ms.
[2026-05-22 21:32:39] [INFO ] Added : 6 causal constraints over 2 iterations in 94 ms. Result :sat
Minimization took 283 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
Support contains 10 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Applied a total of 0 rules in 10 ms. Remains 168 /168 variables (removed 0) and now considering 437/437 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 168/168 places, 437/437 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Applied a total of 0 rules in 8 ms. Remains 168 /168 variables (removed 0) and now considering 437/437 (removed 0) transitions.
[2026-05-22 21:32:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:32:40] [INFO ] Implicit Places using invariants in 285 ms returned []
[2026-05-22 21:32:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:32:40] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:32:41] [INFO ] Implicit Places using invariants and state equation in 1285 ms returned []
Implicit Place search using SMT with State Equation took 1576 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:32:41] [INFO ] Redundant transitions in 23 ms returned []
Running 427 sub problems to find dead transitions.
[2026-05-22 21:32:41] [INFO ] Invariant cache hit.
[2026-05-22 21:32:42] [INFO ] State equation strengthened by 386 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/167 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 17 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:44] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:45] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:45] [INFO ] Deduced a trap composed of 14 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:46] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:46] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:46] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:46] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:47] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:47] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:47] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:47] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:47] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:48] [INFO ] Deduced a trap composed of 15 places in 75 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:49] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:51] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:54] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:54] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:54] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:54] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 13/65 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:57] [INFO ] Deduced a trap composed of 2 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:57] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:32:57] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/167 variables, 3/68 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 17 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:02] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 10/78 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:12] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:12] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
SMT process timed out in 30125ms, After SMT, problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 30133ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31759 ms. Remains : 168/168 places, 437/437 transitions.
RANDOM walk for 40000 steps (797 resets) in 914 ms. (43 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 19 ms. (200 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 38 ms. (102 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (9 resets) in 64 ms. (61 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (9 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 20/20 properties
[2026-05-22 21:33:12] [INFO ] Flatten gal took : 130 ms
[2026-05-22 21:33:12] [INFO ] Flatten gal took : 38 ms
[2026-05-22 21:33:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3632341811447800458.gal : 31 ms
[2026-05-22 21:33:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18026436019991114161.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3632341811447800458.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18026436019991114161.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality18026436019991114161.prop.
SDD proceeding with computation,20 properties remain. new max is 4
SDD size :1 after 39
SDD proceeding with computation,20 properties remain. new max is 8
SDD size :39 after 40
SDD proceeding with computation,20 properties remain. new max is 16
SDD size :40 after 43
SDD proceeding with computation,20 properties remain. new max is 32
SDD size :43 after 44
SDD proceeding with computation,20 properties remain. new max is 64
SDD size :44 after 58
SDD proceeding with computation,20 properties remain. new max is 128
SDD size :58 after 65
SDD proceeding with computation,20 properties remain. new max is 256
SDD size :65 after 75
SDD proceeding with computation,20 properties remain. new max is 512
SDD size :75 after 100
SDD proceeding with computation,20 properties remain. new max is 1024
SDD size :100 after 790
SDD proceeding with computation,20 properties remain. new max is 2048
SDD size :790 after 1103
SDD proceeding with computation,20 properties remain. new max is 4096
SDD size :1103 after 5653
SDD proceeding with computation,20 properties remain. new max is 8192
SDD size :5653 after 17421
Interrupted probabilistic random walk after 713338 steps, run timeout after 3001 ms. (steps per millisecond=237 ) properties seen :0 out of 20
Probabilistic random walk after 713338 steps, saw 92669 distinct states, run finished after 3004 ms. (steps per millisecond=237 ) properties seen :0
[2026-05-22 21:33:15] [INFO ] Invariant cache hit.
[2026-05-22 21:33:15] [INFO ] State equation strengthened by 386 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 136/146 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:15] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 1/2 constraints. Problems are: Problem set: 10 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 0/2 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 18/164 variables, 9/11 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/11 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 2/13 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 0/13 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 437/603 variables, 166/179 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/603 variables, 386/565 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/603 variables, 0/565 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 2/605 variables, 2/567 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/605 variables, 0/567 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/605 variables, 0/567 constraints. Problems are: Problem set: 10 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 567 constraints, problems are : Problem set: 10 solved, 10 unsolved in 1440 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 168/168 constraints, ReadFeed: 386/386 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 136/146 variables, 1/1 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 1/2 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 0/2 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 18/164 variables, 9/11 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/11 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 2/13 constraints. Problems are: Problem set: 10 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:17] [INFO ] Deduced a trap composed of 15 places in 88 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:17] [INFO ] Deduced a trap composed of 14 places in 70 ms of which 8 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 2/15 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/166 variables, 0/15 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 437/603 variables, 166/181 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/603 variables, 386/567 constraints. Problems are: Problem set: 10 solved, 10 unsolved
SDD proceeding with computation,20 properties remain. new max is 16384
SDD size :17421 after 175069
At refinement iteration 11 (INCLUDED_ONLY) 0/603 variables, 10/577 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/603 variables, 0/577 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 2/605 variables, 2/579 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/605 variables, 0/579 constraints. Problems are: Problem set: 10 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 0/605 variables, 0/579 constraints. Problems are: Problem set: 10 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 605/605 variables, and 579 constraints, problems are : Problem set: 10 solved, 10 unsolved in 3466 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 168/168 constraints, ReadFeed: 386/386 constraints, PredecessorRefiner: 10/20 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4929ms problems are : Problem set: 10 solved, 10 unsolved
Parikh walk visited 0 properties in 634 ms.
Support contains 10 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Applied a total of 0 rules in 8 ms. Remains 168 /168 variables (removed 0) and now considering 437/437 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 168/168 places, 437/437 transitions.
RANDOM walk for 40000 steps (782 resets) in 313 ms. (127 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (78 resets) in 64 ms. (615 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (74 resets) in 72 ms. (548 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (73 resets) in 61 ms. (645 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (75 resets) in 88 ms. (449 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (77 resets) in 82 ms. (481 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (76 resets) in 81 ms. (487 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (70 resets) in 80 ms. (493 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (74 resets) in 60 ms. (655 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (75 resets) in 59 ms. (666 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (75 resets) in 61 ms. (645 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 763545 steps, run timeout after 3001 ms. (steps per millisecond=254 ) properties seen :0 out of 10
Probabilistic random walk after 763545 steps, saw 100938 distinct states, run finished after 3001 ms. (steps per millisecond=254 ) properties seen :0
[2026-05-22 21:33:24] [INFO ] Invariant cache hit.
[2026-05-22 21:33:24] [INFO ] State equation strengthened by 386 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 136/146 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 18/164 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 2/166 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 437/603 variables, 166/178 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/603 variables, 386/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/603 variables, 0/564 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 2/605 variables, 2/566 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/605 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 0/605 variables, 0/566 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 605/605 variables, and 566 constraints, problems are : Problem set: 0 solved, 10 unsolved in 1284 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 168/168 constraints, ReadFeed: 386/386 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 136/146 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:25] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:25] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:25] [INFO ] Deduced a trap composed of 2 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 2 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 2 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 2 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 2 places in 18 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/146 variables, 9/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 18/164 variables, 9/19 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/164 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 2/166 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:26] [INFO ] Deduced a trap composed of 14 places in 85 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/166 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/166 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 437/603 variables, 166/188 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/603 variables, 386/574 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/603 variables, 10/584 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/603 variables, 0/584 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 2/605 variables, 2/586 constraints. Problems are: Problem set: 0 solved, 10 unsolved
SDD proceeding with computation,20 properties remain. new max is 32768
SDD size :175069 after 1.52308e+06
At refinement iteration 14 (INCLUDED_ONLY) 0/605 variables, 0/586 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 0/605 variables, 0/586 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 605/605 variables, and 586 constraints, problems are : Problem set: 0 solved, 10 unsolved in 5265 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 168/168 constraints, ReadFeed: 386/386 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6557ms problems are : Problem set: 0 solved, 10 unsolved
Parikh walk visited 0 properties in 615 ms.
Support contains 10 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Applied a total of 0 rules in 7 ms. Remains 168 /168 variables (removed 0) and now considering 437/437 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 168/168 places, 437/437 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Applied a total of 0 rules in 7 ms. Remains 168 /168 variables (removed 0) and now considering 437/437 (removed 0) transitions.
[2026-05-22 21:33:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:33:31] [INFO ] Implicit Places using invariants in 236 ms returned []
[2026-05-22 21:33:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:33:32] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:33:33] [INFO ] Implicit Places using invariants and state equation in 1206 ms returned []
Implicit Place search using SMT with State Equation took 1444 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:33:33] [INFO ] Redundant transitions in 2 ms returned []
Running 427 sub problems to find dead transitions.
[2026-05-22 21:33:33] [INFO ] Invariant cache hit.
[2026-05-22 21:33:33] [INFO ] State equation strengthened by 386 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/167 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 2 places in 78 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 17 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 14 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:35] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:36] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:36] [INFO ] Deduced a trap composed of 14 places in 87 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:37] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:37] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:37] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:37] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 9 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:38] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:38] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:38] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:38] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:38] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:39] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:39] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:39] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:39] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:39] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:40] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:42] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
SDD proceeding with computation,20 properties remain. new max is 65536
SDD size :1.52308e+06 after 4.11382e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:44] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:44] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:44] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:44] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 13/65 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:47] [INFO ] Deduced a trap composed of 2 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:47] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:47] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/167 variables, 3/68 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:52] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:33:53] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/167 variables, 10/78 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:02] [INFO ] Deduced a trap composed of 16 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:02] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:02] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Detected timeout of ITS tools.
[2026-05-22 21:34:02] [INFO ] Flatten gal took : 20 ms
[2026-05-22 21:34:02] [INFO ] Applying decomposition
[2026-05-22 21:34:02] [INFO ] Flatten gal took : 17 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14957459888621389993.txt' '-o' '/tmp/graph14957459888621389993.bin' '-w' '/tmp/graph14957459888621389993.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14957459888621389993.bin' '-l' '-1' '-v' '-w' '/tmp/graph14957459888621389993.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:34:03] [INFO ] Decomposing Gal with order
[2026-05-22 21:34:03] [INFO ] Rewriting arrays to variables to allow decomposition.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 167/605 variables, and 81 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/168 constraints, ReadFeed: 0/386 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 69/69 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
[2026-05-22 21:34:03] [INFO ] Removed a total of 327 redundant transitions.
[2026-05-22 21:34:03] [INFO ] Flatten gal took : 79 ms
[2026-05-22 21:34:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 241 labels/synchronizations in 22 ms.
[2026-05-22 21:34:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13882218438514068463.gal : 8 ms
[2026-05-22 21:34:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6714980993357793079.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13882218438514068463.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6714980993357793079.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality6714980993357793079.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 116
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :116 after 127
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :127 after 127
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :127 after 129
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :129 after 162
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :162 after 302
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :302 after 4315
At refinement iteration 0 (INCLUDED_ONLY) 0/167 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/167 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :4315 after 479699
At refinement iteration 2 (INCLUDED_ONLY) 0/167 variables, 69/81 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:05] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:05] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:05] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:05] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:05] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:05] [INFO ] Deduced a trap composed of 14 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:06] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:06] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:06] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:06] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:06] [INFO ] Deduced a trap composed of 16 places in 72 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:06] [INFO ] Deduced a trap composed of 17 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:07] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:07] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/167 variables, 14/95 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/167 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 427 unsolved
At refinement iteration 5 (OVERLAPS) 437/604 variables, 167/262 constraints. Problems are: Problem set: 0 solved, 427 unsolved
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :479699 after 5.51741e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/604 variables, 386/648 constraints. Problems are: Problem set: 0 solved, 427 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 604/605 variables, and 1075 constraints, problems are : Problem set: 0 solved, 427 unsolved in 30057 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 167/168 constraints, ReadFeed: 386/386 constraints, PredecessorRefiner: 427/427 constraints, Known Traps: 83/83 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60132ms problems are : Problem set: 0 solved, 427 unsolved
Search for dead transitions found 0 dead transitions in 60134ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61593 ms. Remains : 168/168 places, 437/437 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 342 edges and 168 vertex of which 114 / 168 are part of one of the 2 SCC in 1 ms
Free SCC test removed 112 places
Drop transitions (Empty/Sink Transition effects.) removed 262 transitions
Ensure Unique test removed 97 transitions
Reduce isomorphic transitions removed 359 transitions.
Graph (complete) has 141 edges and 56 vertex of which 24 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 transitions
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 23 place count 24 transition count 47
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 32 place count 15 transition count 38
Iterating global reduction 1 with 9 rules applied. Total rules applied 41 place count 15 transition count 38
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 14 transition count 37
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 46 place count 14 transition count 34
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 47 place count 13 transition count 33
Applied a total of 47 rules in 10 ms. Remains 13 /168 variables (removed 155) and now considering 33/437 (removed 404) transitions.
Running SMT prover for 10 properties.
// Phase 1: matrix 33 rows 13 cols
[2026-05-22 21:34:33] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:34:33] [INFO ] After 75ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:34:33] [INFO ] After 32ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
TRAPS : Iteration 0
[2026-05-22 21:34:33] [INFO ] After 53ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
[2026-05-22 21:34:33] [INFO ] After 115ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
[2026-05-22 21:34:33] [INFO ] Flatten gal took : 2 ms
[2026-05-22 21:34:33] [INFO ] Flatten gal took : 3 ms
[2026-05-22 21:34:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3023069456798482689.gal : 1 ms
[2026-05-22 21:34:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1546884408390812593.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3023069456798482689.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1546884408390812593.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1546884408390812593.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 7
Invariant property MIN9 does not hold.
Invariant property MIN8 does not hold.
Invariant property MIN6 does not hold.
Invariant property MIN2 does not hold.
Invariant property MIN1 does not hold.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :7 after 28
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :28 after 84
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :84 after 462
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :462 after 3003
Invariant property MIN5 does not hold.
Invariant property MIN4 does not hold.
Invariant property MIN3 does not hold.
Invariant property MIN0 does not hold.
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :3003 after 90376
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :90376 after 161353
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :161353 after 456903
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.20091e+06,0.036554,5172,2,134,22,6559,7,0,79,7339,0
Total reachable state count : 1200914

Verifying 10 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,12870,0.03686,5300,2,70,22,6559,8,0,82,7339,0
Invariant property MIN1 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,45,0.037149,5428,2,22,22,6559,9,0,84,7339,0
Invariant property MIN2 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,165,0.037301,5428,2,30,22,6559,10,0,86,7339,0
Invariant property MIN3 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,6435,0.037466,5428,2,62,22,6559,11,0,88,7339,0
Invariant property MIN4 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,24310,0.037617,5428,2,78,22,6559,12,0,90,7339,0
Invariant property MIN5 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN5,1,0.03773,5428,2,14,22,6559,13,0,92,7339,0
Invariant property MIN6 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN6,1287,0.037843,5428,2,46,22,6559,14,0,94,7339,0
Invariant property MIN7 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN7,151164,0.037969,5428,2,102,22,6559,14,0,95,7339,0
Invariant property MIN8 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN8,9,0.038077,5428,2,14,22,6559,15,0,97,7339,0
Invariant property MIN9 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN9,495,0.038189,5428,2,38,22,6559,16,0,99,7339,0
Over-approximation ignoring read arcs solved 0 properties in 260 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[10, 10, 10, 10, 10, 10, 10, 10, 10, 10]
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:34:33] [INFO ] Computed 12 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (200 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (19 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:34:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:34:33] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:34:33] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:34:33] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-22 21:34:33] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:34:33] [INFO ] [Real]Added 386 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:34:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:34:33] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:34:33] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:34:33] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2026-05-22 21:34:34] [INFO ] [Nat]Added 386 Read/Feed constraints in 54 ms returned sat
[2026-05-22 21:34:34] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 22 ms.
[2026-05-22 21:34:34] [INFO ] Added : 12 causal constraints over 3 iterations in 135 ms. Result :sat
Minimization took 501 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 164 transition count 433
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 164 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 163 transition count 432
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 16 place count 163 transition count 432
Applied a total of 16 rules in 33 ms. Remains 163 /168 variables (removed 5) and now considering 432/437 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 163/168 places, 432/437 transitions.
// Phase 1: matrix 432 rows 163 cols
[2026-05-22 21:34:34] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20098 resets) in 2208 ms. (452 steps per ms)
BEST_FIRST walk for 1000001 steps (1959 resets) in 539 ms. (1851 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:34:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:34:37] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:34:37] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 3 ms returned sat
[2026-05-22 21:34:37] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2026-05-22 21:34:37] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:34:37] [INFO ] [Real]Added 400 Read/Feed constraints in 44 ms returned sat
[2026-05-22 21:34:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:34:37] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 21:34:37] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:34:37] [INFO ] [Nat]Absence check using state equation in 61 ms returned sat
[2026-05-22 21:34:37] [INFO ] [Nat]Added 400 Read/Feed constraints in 46 ms returned sat
[2026-05-22 21:34:37] [INFO ] Computed and/alt/rep : 280/743/280 causal constraints (skipped 142 transitions) in 17 ms.
[2026-05-22 21:34:37] [INFO ] Added : 10 causal constraints over 2 iterations in 105 ms. Result :sat
Minimization took 394 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 8 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 7 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 21:34:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:34:38] [INFO ] Implicit Places using invariants in 258 ms returned []
[2026-05-22 21:34:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:34:38] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:34:39] [INFO ] Implicit Places using invariants and state equation in 1177 ms returned []
Implicit Place search using SMT with State Equation took 1444 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:34:39] [INFO ] Redundant transitions in 3 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 21:34:39] [INFO ] Invariant cache hit.
[2026-05-22 21:34:39] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:41] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:41] [INFO ] Deduced a trap composed of 2 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:41] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:41] [INFO ] Deduced a trap composed of 14 places in 79 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:41] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:41] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:42] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:43] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:44] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:44] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:45] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 7 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:46] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:46] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 17 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:47] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:48] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:48] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:48] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:49] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:50] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:50] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:50] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:50] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:50] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:51] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:51] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:51] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:51] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 14/86 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:53] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:53] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:53] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:53] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:54] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:55] [INFO ] Deduced a trap composed of 16 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:55] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:55] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:34:55] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 9/95 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 8 (OVERLAPS) 432/594 variables, 162/257 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Problem TDEAD308 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD357 is UNSAT
At refinement iteration 9 (INCLUDED_ONLY) 0/594 variables, 400/657 constraints. Problems are: Problem set: 6 solved, 416 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 594/595 variables, and 657 constraints, problems are : Problem set: 6 solved, 416 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 83/83 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 416 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 83/95 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 0/95 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 4 (OVERLAPS) 432/594 variables, 162/257 constraints. Problems are: Problem set: 6 solved, 416 unsolved
Problem TDEAD142 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD429 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/594 variables, 400/657 constraints. Problems are: Problem set: 11 solved, 411 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/594 variables, 411/1068 constraints. Problems are: Problem set: 11 solved, 411 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 594/595 variables, and 1068 constraints, problems are : Problem set: 11 solved, 411 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 411/422 constraints, Known Traps: 83/83 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60107ms problems are : Problem set: 11 solved, 411 unsolved
Search for dead transitions found 11 dead transitions in 60110ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 163/163 places, 421/432 transitions.
Graph (complete) has 732 edges and 163 vertex of which 162 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 154 transition count 405
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 154 transition count 405
Applied a total of 17 rules in 13 ms. Remains 154 /163 variables (removed 9) and now considering 405/421 (removed 16) transitions.
// Phase 1: matrix 405 rows 154 cols
[2026-05-22 21:35:39] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:35:40] [INFO ] Implicit Places using invariants in 106 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 117 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 153/163 places, 405/432 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 152 transition count 412
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 152 transition count 404
Applied a total of 10 rules in 27 ms. Remains 152 /153 variables (removed 1) and now considering 404/405 (removed 1) transitions.
// Phase 1: matrix 404 rows 152 cols
[2026-05-22 21:35:40] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:35:40] [INFO ] Implicit Places using invariants in 181 ms returned []
[2026-05-22 21:35:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:35:40] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:35:41] [INFO ] Implicit Places using invariants and state equation in 1536 ms returned []
Implicit Place search using SMT with State Equation took 1719 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 152/163 places, 404/432 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 63448 ms. Remains : 152/163 places, 404/432 transitions.
[2026-05-22 21:35:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22136 resets) in 2095 ms. (477 steps per ms)
BEST_FIRST walk for 1000001 steps (2085 resets) in 480 ms. (2079 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:35:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:35:44] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:35:44] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-22 21:35:44] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:35:44] [INFO ] [Real]Added 372 Read/Feed constraints in 27 ms returned sat
[2026-05-22 21:35:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:35:44] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2026-05-22 21:35:44] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-22 21:35:44] [INFO ] [Nat]Added 372 Read/Feed constraints in 32 ms returned sat
[2026-05-22 21:35:44] [INFO ] Computed and/alt/rep : 252/673/252 causal constraints (skipped 142 transitions) in 15 ms.
[2026-05-22 21:35:44] [INFO ] Added : 10 causal constraints over 2 iterations in 90 ms. Result :sat
Minimization took 234 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 7 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 6 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 21:35:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:35:45] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-22 21:35:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:35:45] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:35:46] [INFO ] Implicit Places using invariants and state equation in 1514 ms returned []
Implicit Place search using SMT with State Equation took 1676 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:35:46] [INFO ] Redundant transitions in 10 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 21:35:46] [INFO ] Invariant cache hit.
[2026-05-22 21:35:46] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:35:47] [INFO ] Deduced a trap composed of 2 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:35:47] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:35:47] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:35:47] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 3 (OVERLAPS) 404/555 variables, 151/166 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/555 variables, 372/538 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/556 variables, and 538 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:17] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:18] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:19] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:20] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:20] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:21] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (OVERLAPS) 404/555 variables, 151/172 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/555 variables, 372/544 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/555 variables, 394/938 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/556 variables, and 938 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 60087ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61788 ms. Remains : 152/152 places, 404/404 transitions.
[2026-05-22 21:36:46] [INFO ] Flatten gal took : 34 ms
[2026-05-22 21:36:46] [INFO ] Flatten gal took : 19 ms
[2026-05-22 21:36:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11133789250039140360.gal : 2 ms
[2026-05-22 21:36:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11343869536638815300.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11133789250039140360.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11343869536638815300.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (891 resets) in 228 ms. (174 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (80 resets) in 51 ms. (769 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality11343869536638815300.prop.
BEST_FIRST walk for 40004 steps (81 resets) in 36 ms. (1081 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 720
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :720 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3062
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3062 after 7764
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7764 after 16220
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16220 after 44285
Interrupted probabilistic random walk after 1139621 steps, run timeout after 3001 ms. (steps per millisecond=379 ) properties seen :0 out of 2
Probabilistic random walk after 1139621 steps, saw 145606 distinct states, run finished after 3001 ms. (steps per millisecond=379 ) properties seen :0
[2026-05-22 21:36:49] [INFO ] Invariant cache hit.
[2026-05-22 21:36:49] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 146/184 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 114/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 28/212 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 3/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/221 variables, 9/161 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 9/170 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/221 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 279/500 variables, 58/228 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 251/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 17 (OVERLAPS) 56/556 variables, 49/528 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 7/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 230 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 146/184 variables, 28/33 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 114/147 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/147 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/212 variables, 2/149 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 3/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/221 variables, 9/161 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 9/170 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/221 variables, 1/171 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/221 variables, 0/171 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 279/500 variables, 58/229 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 251/480 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/480 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 56/556 variables, 49/529 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 7/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 237 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 480ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 10 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 6 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 152/152 places, 404/404 transitions.
RANDOM walk for 40000 steps (885 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (82 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :44285 after 276483
Interrupted probabilistic random walk after 1449221 steps, run timeout after 3001 ms. (steps per millisecond=482 ) properties seen :0 out of 1
Probabilistic random walk after 1449221 steps, saw 184203 distinct states, run finished after 3002 ms. (steps per millisecond=482 ) properties seen :0
[2026-05-22 21:36:53] [INFO ] Invariant cache hit.
[2026-05-22 21:36:53] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 146/184 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 114/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/212 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 3/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/221 variables, 9/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 9/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/221 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 279/500 variables, 58/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 251/479 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 56/556 variables, 49/528 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 7/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 146/184 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 114/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/184 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/212 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/212 variables, 3/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/212 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/221 variables, 9/161 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 9/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/221 variables, 1/171 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/221 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 279/500 variables, 58/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 251/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 56/556 variables, 49/529 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 7/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 240 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 413ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 7 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 5 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 21:36:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:36:53] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-22 21:36:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:36:54] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:36:55] [INFO ] Implicit Places using invariants and state equation in 1541 ms returned []
Implicit Place search using SMT with State Equation took 1625 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:36:55] [INFO ] Redundant transitions in 19 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 21:36:55] [INFO ] Invariant cache hit.
[2026-05-22 21:36:55] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:56] [INFO ] Deduced a trap composed of 2 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:56] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:56] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:36:56] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 3 (OVERLAPS) 404/555 variables, 151/166 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :276483 after 2.04512e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/555 variables, 372/538 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/556 variables, and 538 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:37:25] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:37:26] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:37:27] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:37:28] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:37:28] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:37:29] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (OVERLAPS) 404/555 variables, 151/172 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/555 variables, 372/544 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:37:36] [INFO ] Flatten gal took : 15 ms
[2026-05-22 21:37:36] [INFO ] Applying decomposition
[2026-05-22 21:37:36] [INFO ] Flatten gal took : 15 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14158208601589559910.txt' '-o' '/tmp/graph14158208601589559910.bin' '-w' '/tmp/graph14158208601589559910.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14158208601589559910.bin' '-l' '-1' '-v' '-w' '/tmp/graph14158208601589559910.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:37:37] [INFO ] Decomposing Gal with order
[2026-05-22 21:37:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:37:37] [INFO ] Removed a total of 318 redundant transitions.
[2026-05-22 21:37:37] [INFO ] Flatten gal took : 39 ms
[2026-05-22 21:37:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 188 labels/synchronizations in 14 ms.
[2026-05-22 21:37:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7581658119625212245.gal : 12 ms
[2026-05-22 21:37:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16621054460534572447.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7581658119625212245.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16621054460534572447.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality16621054460534572447.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 98
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :98 after 98
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :98 after 98
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :98 after 98
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :98 after 317
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :317 after 4258
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :4258 after 237649
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :237649 after 4.51154e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/555 variables, 394/938 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.51154e+06 after 1.3254e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/556 variables, and 938 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30024 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60090ms problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 60090ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61749 ms. Remains : 152/152 places, 404/404 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 344 edges and 152 vertex of which 110 / 152 are part of one of the 2 SCC in 0 ms
Free SCC test removed 108 places
Drop transitions (Empty/Sink Transition effects.) removed 272 transitions
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 359 transitions.
Graph (complete) has 102 edges and 44 vertex of which 11 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.0 ms
Discarding 33 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 22 place count 11 transition count 12
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 3 transition count 4
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 2 transition count 3
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 2 transition count 3
Applied a total of 41 rules in 3 ms. Remains 2 /152 variables (removed 150) and now considering 3/404 (removed 401) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 21:37:55] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:37:55] [INFO ] After 2ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:37:55] [INFO ] After 3ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2026-05-22 21:37:55] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:37:55] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:37:55] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:37:55] [INFO ] After 21ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:37:55] [INFO ] Flatten gal took : 1 ms
[2026-05-22 21:37:55] [INFO ] Flatten gal took : 1 ms
[2026-05-22 21:37:55] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13552119155277579020.gal : 0 ms
[2026-05-22 21:37:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14863363477235675325.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13552119155277579020.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14863363477235675325.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14863363477235675325.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.004465,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.00514,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 68 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-00 in 202117 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:37:55] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (197 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (18 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:37:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:37:55] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:37:55] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:37:55] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-22 21:37:55] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:37:55] [INFO ] [Real]Added 386 Read/Feed constraints in 31 ms returned sat
[2026-05-22 21:37:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:37:55] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:37:55] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:37:56] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2026-05-22 21:37:56] [INFO ] [Nat]Added 386 Read/Feed constraints in 50 ms returned sat
[2026-05-22 21:37:56] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 18 ms.
[2026-05-22 21:37:56] [INFO ] Added : 11 causal constraints over 3 iterations in 110 ms. Result :sat
Minimization took 399 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 163 transition count 432
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 163 transition count 431
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 162 transition count 431
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 162 transition count 431
Applied a total of 17 rules in 18 ms. Remains 162 /168 variables (removed 6) and now considering 431/437 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 162/168 places, 431/437 transitions.
// Phase 1: matrix 431 rows 162 cols
[2026-05-22 21:37:56] [INFO ] Computed 12 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20121 resets) in 2129 ms. (469 steps per ms)
BEST_FIRST walk for 1000001 steps (1956 resets) in 504 ms. (1980 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:37:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:37:59] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:37:59] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:37:59] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-22 21:37:59] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:37:59] [INFO ] [Real]Added 401 Read/Feed constraints in 31 ms returned sat
[2026-05-22 21:37:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:37:59] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:37:59] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 4 ms returned sat
[2026-05-22 21:37:59] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-22 21:37:59] [INFO ] [Nat]Added 401 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:37:59] [INFO ] Computed and/alt/rep : 279/745/279 causal constraints (skipped 142 transitions) in 20 ms.
[2026-05-22 21:37:59] [INFO ] Added : 8 causal constraints over 2 iterations in 110 ms. Result :sat
Minimization took 394 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 162/162 places, 431/431 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
[2026-05-22 21:38:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:38:00] [INFO ] Implicit Places using invariants in 236 ms returned []
[2026-05-22 21:38:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:38:00] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:38:02] [INFO ] Implicit Places using invariants and state equation in 2239 ms returned []
Implicit Place search using SMT with State Equation took 2476 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:38:02] [INFO ] Redundant transitions in 16 ms returned []
Running 421 sub problems to find dead transitions.
[2026-05-22 21:38:02] [INFO ] Invariant cache hit.
[2026-05-22 21:38:02] [INFO ] State equation strengthened by 401 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 14 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:04] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:05] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:06] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:06] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:06] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:06] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:06] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:06] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:07] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:07] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:07] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:07] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:07] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:08] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:08] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:08] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 14 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:10] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:11] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:11] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:11] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:11] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:11] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:12] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:12] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:12] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:12] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:12] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:13] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:13] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:14] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:15] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:15] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:16] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:16] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:16] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 13/85 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:17] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:17] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:20] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:20] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 4/89 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:24] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:24] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:26] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:26] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 161/593 variables, and 93 constraints, problems are : Problem set: 0 solved, 421 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/162 constraints, ReadFeed: 0/401 constraints, PredecessorRefiner: 421/421 constraints, Known Traps: 81/81 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 81/93 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:35] [INFO ] Deduced a trap composed of 2 places in 47 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 1/94 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:38:39] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 6 (OVERLAPS) 431/592 variables, 161/256 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Problem TDEAD139 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD428 is UNSAT
At refinement iteration 7 (INCLUDED_ONLY) 0/592 variables, 401/657 constraints. Problems are: Problem set: 11 solved, 410 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/592 variables, 410/1067 constraints. Problems are: Problem set: 11 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 592/593 variables, and 1067 constraints, problems are : Problem set: 11 solved, 410 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 161/162 constraints, ReadFeed: 401/401 constraints, PredecessorRefiner: 410/421 constraints, Known Traps: 83/83 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60087ms problems are : Problem set: 11 solved, 410 unsolved
Search for dead transitions found 11 dead transitions in 60088ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 162/162 places, 420/431 transitions.
Graph (complete) has 732 edges and 162 vertex of which 161 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 153 transition count 404
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 153 transition count 404
Applied a total of 17 rules in 8 ms. Remains 153 /162 variables (removed 9) and now considering 404/420 (removed 16) transitions.
// Phase 1: matrix 404 rows 153 cols
[2026-05-22 21:39:02] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:39:02] [INFO ] Implicit Places using invariants in 98 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 99 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 152/162 places, 404/431 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 151 transition count 411
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 151 transition count 403
Applied a total of 10 rules in 17 ms. Remains 151 /152 variables (removed 1) and now considering 403/404 (removed 1) transitions.
// Phase 1: matrix 403 rows 151 cols
[2026-05-22 21:39:02] [INFO ] Computed 11 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:39:02] [INFO ] Implicit Places using invariants in 95 ms returned []
[2026-05-22 21:39:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:39:03] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:39:04] [INFO ] Implicit Places using invariants and state equation in 1881 ms returned []
Implicit Place search using SMT with State Equation took 1988 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 151/162 places, 403/431 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 64704 ms. Remains : 151/162 places, 403/431 transitions.
[2026-05-22 21:39:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22203 resets) in 2140 ms. (467 steps per ms)
BEST_FIRST walk for 1000001 steps (2071 resets) in 479 ms. (2083 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:39:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:39:07] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:39:07] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:39:07] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:39:07] [INFO ] [Real]Added 373 Read/Feed constraints in 26 ms returned sat
[2026-05-22 21:39:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:39:07] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2026-05-22 21:39:07] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-22 21:39:07] [INFO ] [Nat]Added 373 Read/Feed constraints in 40 ms returned sat
[2026-05-22 21:39:07] [INFO ] Computed and/alt/rep : 251/675/251 causal constraints (skipped 142 transitions) in 17 ms.
[2026-05-22 21:39:07] [INFO ] Added : 7 causal constraints over 2 iterations in 96 ms. Result :sat
Minimization took 217 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 10 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:39:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:39:08] [INFO ] Implicit Places using invariants in 80 ms returned []
[2026-05-22 21:39:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:39:08] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:39:10] [INFO ] Implicit Places using invariants and state equation in 1820 ms returned []
Implicit Place search using SMT with State Equation took 1901 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:39:10] [INFO ] Redundant transitions in 7 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:39:10] [INFO ] Invariant cache hit.
[2026-05-22 21:39:10] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:11] [INFO ] Deduced a trap composed of 2 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:11] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:12] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:12] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:12] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:13] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (OVERLAPS) 403/553 variables, 150/167 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/553 variables, 373/540 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 540 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:41] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:43] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:43] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:43] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:39:43] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (OVERLAPS) 403/553 variables, 150/181 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 373/554 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/553 variables, 393/947 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 553/554 variables, and 947 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60065ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60066ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61991 ms. Remains : 151/151 places, 403/403 transitions.
[2026-05-22 21:40:10] [INFO ] Flatten gal took : 14 ms
[2026-05-22 21:40:10] [INFO ] Flatten gal took : 26 ms
[2026-05-22 21:40:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5776444802384603384.gal : 21 ms
[2026-05-22 21:40:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4530372706709249372.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5776444802384603384.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4530372706709249372.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (899 resets) in 256 ms. (155 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
BEST_FIRST walk for 40004 steps (80 resets) in 38 ms. (1025 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality4530372706709249372.prop.
BEST_FIRST walk for 40004 steps (86 resets) in 41 ms. (952 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 16
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :16 after 28
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :28 after 134
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :134 after 209
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :209 after 1010
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1010 after 1050
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1050 after 3443
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3443 after 3756
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3756 after 18213
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :18213 after 44389
Interrupted probabilistic random walk after 1142967 steps, run timeout after 3001 ms. (steps per millisecond=380 ) properties seen :0 out of 2
Probabilistic random walk after 1142967 steps, saw 146262 distinct states, run finished after 3001 ms. (steps per millisecond=380 ) properties seen :0
[2026-05-22 21:40:13] [INFO ] Invariant cache hit.
[2026-05-22 21:40:13] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 282/512 variables, 63/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/512 variables, 257/493 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 19 (OVERLAPS) 42/554 variables, 42/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 307 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 1/174 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:13] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/230 variables, 1/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/230 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 282/512 variables, 63/238 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/512 variables, 257/495 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/512 variables, 0/495 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/554 variables, 42/537 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/554 variables, 0/537 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/554 variables, 0/537 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 537 constraints, problems are : Problem set: 1 solved, 1 unsolved in 271 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 605ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 5 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 151/151 places, 403/403 transitions.
RANDOM walk for 40000 steps (882 resets) in 190 ms. (209 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (83 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :44389 after 289282
Interrupted probabilistic random walk after 1417952 steps, run timeout after 3001 ms. (steps per millisecond=472 ) properties seen :0 out of 1
Probabilistic random walk after 1417952 steps, saw 180610 distinct states, run finished after 3001 ms. (steps per millisecond=472 ) properties seen :0
[2026-05-22 21:40:16] [INFO ] Invariant cache hit.
[2026-05-22 21:40:16] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 282/512 variables, 63/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/512 variables, 257/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/554 variables, 42/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 179 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:17] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/230 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/230 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 282/512 variables, 63/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/512 variables, 257/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/512 variables, 0/495 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 42/554 variables, 42/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/554 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/554 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 537 constraints, problems are : Problem set: 0 solved, 1 unsolved in 289 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 488ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 4 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:40:17] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-22 21:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:40:17] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:40:19] [INFO ] Implicit Places using invariants and state equation in 1830 ms returned []
Implicit Place search using SMT with State Equation took 1916 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:40:19] [INFO ] Redundant transitions in 2 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:40:19] [INFO ] Invariant cache hit.
[2026-05-22 21:40:19] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:20] [INFO ] Deduced a trap composed of 2 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:20] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:21] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:21] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:21] [INFO ] Deduced a trap composed of 12 places in 18 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:22] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 4/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :289282 after 2.11915e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (OVERLAPS) 403/553 variables, 150/167 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/553 variables, 373/540 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 540 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:50] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:50] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:50] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:50] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:50] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:50] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:51] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:51] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:51] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:51] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:53] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:53] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:53] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:40:53] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (OVERLAPS) 403/553 variables, 150/181 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 373/554 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:41:00] [INFO ] Flatten gal took : 18 ms
[2026-05-22 21:41:00] [INFO ] Applying decomposition
[2026-05-22 21:41:00] [INFO ] Flatten gal took : 11 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8182518136517115641.txt' '-o' '/tmp/graph8182518136517115641.bin' '-w' '/tmp/graph8182518136517115641.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8182518136517115641.bin' '-l' '-1' '-v' '-w' '/tmp/graph8182518136517115641.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:41:00] [INFO ] Decomposing Gal with order
[2026-05-22 21:41:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:41:00] [INFO ] Removed a total of 321 redundant transitions.
[2026-05-22 21:41:00] [INFO ] Flatten gal took : 29 ms
[2026-05-22 21:41:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 310 labels/synchronizations in 10 ms.
[2026-05-22 21:41:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16037330999643615466.gal : 3 ms
[2026-05-22 21:41:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3656934655101769715.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16037330999643615466.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3656934655101769715.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3656934655101769715.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 52
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :52 after 110
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :110 after 560
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :560 after 4804
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4804 after 10534
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :10534 after 83260
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :83260 after 9.6584e+06
At refinement iteration 8 (INCLUDED_ONLY) 0/553 variables, 393/947 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :9.6584e+06 after 1.32066e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 553/554 variables, and 947 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60079ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60079ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62013 ms. Remains : 151/151 places, 403/403 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 343 edges and 151 vertex of which 109 / 151 are part of one of the 2 SCC in 0 ms
Free SCC test removed 107 places
Drop transitions (Empty/Sink Transition effects.) removed 271 transitions
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 358 transitions.
Graph (complete) has 102 edges and 44 vertex of which 11 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.0 ms
Discarding 33 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 22 place count 11 transition count 12
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 3 transition count 4
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 2 transition count 3
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 2 transition count 3
Applied a total of 41 rules in 2 ms. Remains 2 /151 variables (removed 149) and now considering 3/403 (removed 400) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 21:41:19] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:41:19] [INFO ] After 27ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:41:19] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:41:19] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:41:19] [INFO ] After 19ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:41:19] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:41:19] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:41:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16093904930190525000.gal : 1 ms
[2026-05-22 21:41:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12327034858164963107.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16093904930190525000.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12327034858164963107.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12327034858164963107.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.001704,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.00203,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 68 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-02 in 203807 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:41:19] [INFO ] Computed 12 invariants in 9 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (198 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (20 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:41:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:41:19] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:41:19] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:41:19] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-22 21:41:19] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:41:19] [INFO ] [Real]Added 386 Read/Feed constraints in 28 ms returned sat
[2026-05-22 21:41:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:41:19] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:41:19] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:41:19] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2026-05-22 21:41:19] [INFO ] [Nat]Added 386 Read/Feed constraints in 36 ms returned sat
[2026-05-22 21:41:19] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 23 ms.
[2026-05-22 21:41:20] [INFO ] Added : 7 causal constraints over 2 iterations in 107 ms. Result :sat
Minimization took 325 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 163 transition count 432
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 163 transition count 431
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 162 transition count 431
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 162 transition count 431
Applied a total of 17 rules in 18 ms. Remains 162 /168 variables (removed 6) and now considering 431/437 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 162/168 places, 431/437 transitions.
// Phase 1: matrix 431 rows 162 cols
[2026-05-22 21:41:20] [INFO ] Computed 12 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20140 resets) in 2299 ms. (434 steps per ms)
BEST_FIRST walk for 1000001 steps (1947 resets) in 530 ms. (1883 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:41:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:41:23] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:41:23] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:41:23] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-22 21:41:23] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:41:23] [INFO ] [Real]Added 401 Read/Feed constraints in 35 ms returned sat
[2026-05-22 21:41:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:41:23] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:41:23] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:41:23] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2026-05-22 21:41:23] [INFO ] [Nat]Added 401 Read/Feed constraints in 40 ms returned sat
[2026-05-22 21:41:23] [INFO ] Computed and/alt/rep : 279/745/279 causal constraints (skipped 142 transitions) in 21 ms.
[2026-05-22 21:41:23] [INFO ] Added : 7 causal constraints over 2 iterations in 95 ms. Result :sat
Minimization took 405 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 162/162 places, 431/431 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 7 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
[2026-05-22 21:41:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:41:24] [INFO ] Implicit Places using invariants in 239 ms returned []
[2026-05-22 21:41:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:41:24] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:41:25] [INFO ] Implicit Places using invariants and state equation in 1555 ms returned []
Implicit Place search using SMT with State Equation took 1796 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:41:25] [INFO ] Redundant transitions in 8 ms returned []
Running 421 sub problems to find dead transitions.
[2026-05-22 21:41:25] [INFO ] Invariant cache hit.
[2026-05-22 21:41:25] [INFO ] State equation strengthened by 401 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 2 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:27] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:28] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:29] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:30] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:30] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:31] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:31] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:31] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:31] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:31] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:31] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:32] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:32] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:33] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:33] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:33] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:33] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:33] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:34] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:34] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:34] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:36] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:36] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 10/62 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:38] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:39] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:39] [INFO ] Deduced a trap composed of 2 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 14 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:40] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 20/82 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 7 (OVERLAPS) 431/592 variables, 161/243 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/592 variables, 401/644 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 592/593 variables, and 644 constraints, problems are : Problem set: 0 solved, 421 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 161/162 constraints, ReadFeed: 401/401 constraints, PredecessorRefiner: 421/421 constraints, Known Traps: 70/70 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 70/82 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:56] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:59] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:59] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:59] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:41:59] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:00] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 6/88 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:03] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:03] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:03] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:03] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:03] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:03] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:04] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 7/95 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 6 (OVERLAPS) 431/592 variables, 161/256 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Problem TDEAD139 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD428 is UNSAT
At refinement iteration 7 (INCLUDED_ONLY) 0/592 variables, 401/657 constraints. Problems are: Problem set: 11 solved, 410 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/592 variables, 410/1067 constraints. Problems are: Problem set: 11 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 592/593 variables, and 1067 constraints, problems are : Problem set: 11 solved, 410 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 161/162 constraints, ReadFeed: 401/401 constraints, PredecessorRefiner: 410/421 constraints, Known Traps: 83/83 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60083ms problems are : Problem set: 11 solved, 410 unsolved
Search for dead transitions found 11 dead transitions in 60085ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 162/162 places, 420/431 transitions.
Graph (complete) has 732 edges and 162 vertex of which 161 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 153 transition count 404
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 153 transition count 404
Applied a total of 17 rules in 9 ms. Remains 153 /162 variables (removed 9) and now considering 404/420 (removed 16) transitions.
// Phase 1: matrix 404 rows 153 cols
[2026-05-22 21:42:25] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:42:26] [INFO ] Implicit Places using invariants in 162 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 163 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 152/162 places, 404/431 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 151 transition count 411
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 151 transition count 403
Applied a total of 10 rules in 12 ms. Remains 151 /152 variables (removed 1) and now considering 403/404 (removed 1) transitions.
// Phase 1: matrix 403 rows 151 cols
[2026-05-22 21:42:26] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:42:26] [INFO ] Implicit Places using invariants in 92 ms returned []
[2026-05-22 21:42:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:42:26] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:42:27] [INFO ] Implicit Places using invariants and state equation in 1647 ms returned []
Implicit Place search using SMT with State Equation took 1740 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 151/162 places, 403/431 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 63827 ms. Remains : 151/162 places, 403/431 transitions.
[2026-05-22 21:42:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22208 resets) in 2143 ms. (466 steps per ms)
BEST_FIRST walk for 1000000 steps (2074 resets) in 476 ms. (2096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:42:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:42:30] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:42:30] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-22 21:42:30] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:42:30] [INFO ] [Real]Added 373 Read/Feed constraints in 27 ms returned sat
[2026-05-22 21:42:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:42:30] [INFO ] [Nat]Absence check using 11 positive place invariants in 4 ms returned sat
[2026-05-22 21:42:30] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:42:30] [INFO ] [Nat]Added 373 Read/Feed constraints in 40 ms returned sat
[2026-05-22 21:42:30] [INFO ] Computed and/alt/rep : 251/675/251 causal constraints (skipped 142 transitions) in 19 ms.
[2026-05-22 21:42:30] [INFO ] Added : 7 causal constraints over 2 iterations in 83 ms. Result :sat
Minimization took 308 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 5 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:42:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:42:31] [INFO ] Implicit Places using invariants in 83 ms returned []
[2026-05-22 21:42:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:42:31] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:42:32] [INFO ] Implicit Places using invariants and state equation in 1632 ms returned []
Implicit Place search using SMT with State Equation took 1725 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:42:32] [INFO ] Redundant transitions in 5 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:42:32] [INFO ] Invariant cache hit.
[2026-05-22 21:42:32] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:34] [INFO ] Deduced a trap composed of 2 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:34] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:34] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:34] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:34] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:35] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:36] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:36] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:36] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:36] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:36] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:42:37] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 403/553 variables, 150/173 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 373/546 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 546 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:04] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (OVERLAPS) 403/553 variables, 150/174 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/553 variables, 373/547 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 393/940 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 0/940 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SMT process timed out in 60080ms, After SMT, problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60082ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61824 ms. Remains : 151/151 places, 403/403 transitions.
[2026-05-22 21:43:33] [INFO ] Flatten gal took : 14 ms
[2026-05-22 21:43:33] [INFO ] Flatten gal took : 10 ms
[2026-05-22 21:43:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6006055075046120150.gal : 2 ms
[2026-05-22 21:43:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5877431483019221371.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6006055075046120150.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5877431483019221371.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5877431483019221371.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
RANDOM walk for 40000 steps (882 resets) in 254 ms. (156 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (79 resets) in 48 ms. (816 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
BEST_FIRST walk for 40004 steps (79 resets) in 56 ms. (701 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 720
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :720 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3062
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3062 after 7764
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7764 after 16220
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16220 after 45135
Interrupted probabilistic random walk after 1008722 steps, run timeout after 3001 ms. (steps per millisecond=336 ) properties seen :0 out of 2
Probabilistic random walk after 1008722 steps, saw 130674 distinct states, run finished after 3001 ms. (steps per millisecond=336 ) properties seen :0
[2026-05-22 21:43:36] [INFO ] Invariant cache hit.
[2026-05-22 21:43:36] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 141/195 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 108/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 27/222 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 9/231 variables, 9/165 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 9/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/231 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 281/512 variables, 63/237 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/512 variables, 256/493 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 19 (OVERLAPS) 42/554 variables, 42/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 334 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 141/195 variables, 30/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 108/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/222 variables, 1/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/156 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/156 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/231 variables, 9/165 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 9/174 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/231 variables, 1/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/231 variables, 0/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 281/512 variables, 63/238 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 256/494 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/512 variables, 0/494 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/554 variables, 42/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/554 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/554 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 273 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 613ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 151/151 places, 403/403 transitions.
RANDOM walk for 40000 steps (888 resets) in 148 ms. (268 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (81 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :45135 after 278117
Interrupted probabilistic random walk after 1358865 steps, run timeout after 3001 ms. (steps per millisecond=452 ) properties seen :0 out of 1
Probabilistic random walk after 1358865 steps, saw 171455 distinct states, run finished after 3001 ms. (steps per millisecond=452 ) properties seen :0
[2026-05-22 21:43:39] [INFO ] Invariant cache hit.
[2026-05-22 21:43:39] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 141/195 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 108/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/222 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/231 variables, 9/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 9/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/231 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 281/512 variables, 63/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/512 variables, 256/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/554 variables, 42/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 196 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 141/195 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/195 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/195 variables, 108/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/195 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/222 variables, 1/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/222 variables, 2/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/222 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/231 variables, 9/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/231 variables, 9/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/231 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/231 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 281/512 variables, 63/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 256/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/512 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/554 variables, 42/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/554 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/554 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 248 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 450ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:43:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:43:40] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-22 21:43:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:43:40] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:43:42] [INFO ] Implicit Places using invariants and state equation in 1667 ms returned []
Implicit Place search using SMT with State Equation took 1748 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:43:42] [INFO ] Redundant transitions in 2 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:43:42] [INFO ] Invariant cache hit.
[2026-05-22 21:43:42] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:43] [INFO ] Deduced a trap composed of 2 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:43] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:43] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:43] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:43] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:44] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:45] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:45] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:45] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:45] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:45] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :278117 after 2.04832e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:43:46] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 403/553 variables, 150/173 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 373/546 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 546 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:13] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (OVERLAPS) 403/553 variables, 150/174 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.04832e+06 after 6.70383e+06
At refinement iteration 5 (INCLUDED_ONLY) 0/553 variables, 373/547 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:44:23] [INFO ] Flatten gal took : 11 ms
[2026-05-22 21:44:23] [INFO ] Applying decomposition
[2026-05-22 21:44:23] [INFO ] Flatten gal took : 10 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9748698100406129021.txt' '-o' '/tmp/graph9748698100406129021.bin' '-w' '/tmp/graph9748698100406129021.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9748698100406129021.bin' '-l' '-1' '-v' '-w' '/tmp/graph9748698100406129021.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:44:23] [INFO ] Decomposing Gal with order
[2026-05-22 21:44:23] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:44:23] [INFO ] Removed a total of 321 redundant transitions.
[2026-05-22 21:44:23] [INFO ] Flatten gal took : 27 ms
[2026-05-22 21:44:23] [INFO ] Fuse similar labels procedure discarded/fused a total of 310 labels/synchronizations in 10 ms.
[2026-05-22 21:44:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3513843548334037068.gal : 3 ms
[2026-05-22 21:44:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9189000398451714872.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3513843548334037068.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9189000398451714872.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality9189000398451714872.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 52
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :52 after 123
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :123 after 884
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :884 after 4459
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4459 after 9742
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :9742 after 100428
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :100428 after 9.09078e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 393/940 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.47519e+09 after 1.47519e+09
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 0/940 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SMT process timed out in 60068ms, After SMT, problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60069ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61834 ms. Remains : 151/151 places, 403/403 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 343 edges and 151 vertex of which 109 / 151 are part of one of the 2 SCC in 0 ms
Free SCC test removed 107 places
Drop transitions (Empty/Sink Transition effects.) removed 271 transitions
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 358 transitions.
Graph (complete) has 102 edges and 44 vertex of which 11 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.0 ms
Discarding 33 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 22 place count 11 transition count 12
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 3 transition count 4
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 2 transition count 3
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 2 transition count 3
Applied a total of 41 rules in 6 ms. Remains 2 /151 variables (removed 149) and now considering 3/403 (removed 400) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 21:44:42] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:44:42] [INFO ] After 17ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:44:42] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:44:42] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:44:42] [INFO ] After 23ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:44:42] [INFO ] Flatten gal took : 1 ms
[2026-05-22 21:44:42] [INFO ] Flatten gal took : 1 ms
[2026-05-22 21:44:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6666542517868431523.gal : 0 ms
[2026-05-22 21:44:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15286086977895469005.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6666542517868431523.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15286086977895469005.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality15286086977895469005.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.005583,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.006109,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 63 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-03 in 202745 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:44:42] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (197 resets) in 27 ms. (357 steps per ms)
BEST_FIRST walk for 10001 steps (18 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:44:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:44:42] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:44:42] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:44:42] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-22 21:44:42] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:44:42] [INFO ] [Real]Added 386 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:44:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:44:42] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:44:42] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:44:42] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2026-05-22 21:44:42] [INFO ] [Nat]Added 386 Read/Feed constraints in 74 ms returned sat
[2026-05-22 21:44:42] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 20 ms.
[2026-05-22 21:44:42] [INFO ] Added : 12 causal constraints over 3 iterations in 194 ms. Result :sat
Minimization took 384 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 164 transition count 433
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 164 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 163 transition count 432
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 16 place count 163 transition count 432
Applied a total of 16 rules in 22 ms. Remains 163 /168 variables (removed 5) and now considering 432/437 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 163/168 places, 432/437 transitions.
// Phase 1: matrix 432 rows 163 cols
[2026-05-22 21:44:43] [INFO ] Computed 12 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20065 resets) in 2273 ms. (439 steps per ms)
BEST_FIRST walk for 1000001 steps (1953 resets) in 510 ms. (1956 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:46] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 21:44:46] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:44:46] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-22 21:44:46] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:44:46] [INFO ] [Real]Added 400 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:44:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:44:46] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:44:46] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:44:46] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:44:46] [INFO ] [Nat]Added 400 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:44:46] [INFO ] Computed and/alt/rep : 280/743/280 causal constraints (skipped 142 transitions) in 20 ms.
[2026-05-22 21:44:46] [INFO ] Added : 10 causal constraints over 2 iterations in 114 ms. Result :sat
Minimization took 349 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 6 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 21:44:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:44:47] [INFO ] Implicit Places using invariants in 239 ms returned []
[2026-05-22 21:44:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:44:47] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:44:48] [INFO ] Implicit Places using invariants and state equation in 1615 ms returned []
Implicit Place search using SMT with State Equation took 1856 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:44:48] [INFO ] Redundant transitions in 6 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 21:44:48] [INFO ] Invariant cache hit.
[2026-05-22 21:44:48] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 2 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 14 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:50] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 14 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:51] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:52] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 17 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:54] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:55] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:55] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:55] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:55] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:55] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:55] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:56] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:56] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:56] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:56] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:56] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:56] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:57] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:58] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:58] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:59] [INFO ] Deduced a trap composed of 2 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:59] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:59] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:44:59] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:00] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:00] [INFO ] Deduced a trap composed of 16 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:00] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 17/89 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 7 (OVERLAPS) 432/594 variables, 162/251 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Problem TDEAD308 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD357 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/594 variables, 400/651 constraints. Problems are: Problem set: 6 solved, 416 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 594/595 variables, and 651 constraints, problems are : Problem set: 6 solved, 416 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 77/77 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 6 solved, 416 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 77/89 constraints. Problems are: Problem set: 6 solved, 416 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:20] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:20] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:20] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:20] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:20] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 5/94 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/94 constraints. Problems are: Problem set: 6 solved, 416 unsolved
At refinement iteration 5 (OVERLAPS) 432/594 variables, 162/256 constraints. Problems are: Problem set: 6 solved, 416 unsolved
Problem TDEAD142 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD429 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/594 variables, 400/656 constraints. Problems are: Problem set: 11 solved, 411 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/594 variables, 411/1067 constraints. Problems are: Problem set: 11 solved, 411 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 594/595 variables, and 1067 constraints, problems are : Problem set: 11 solved, 411 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 411/422 constraints, Known Traps: 82/82 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60088ms problems are : Problem set: 11 solved, 411 unsolved
Search for dead transitions found 11 dead transitions in 60089ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 163/163 places, 421/432 transitions.
Graph (complete) has 732 edges and 163 vertex of which 162 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 154 transition count 405
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 154 transition count 405
Applied a total of 17 rules in 10 ms. Remains 154 /163 variables (removed 9) and now considering 405/421 (removed 16) transitions.
// Phase 1: matrix 405 rows 154 cols
[2026-05-22 21:45:48] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:45:49] [INFO ] Implicit Places using invariants in 95 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 97 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 153/163 places, 405/432 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 152 transition count 412
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 152 transition count 404
Applied a total of 10 rules in 12 ms. Remains 152 /153 variables (removed 1) and now considering 404/405 (removed 1) transitions.
// Phase 1: matrix 404 rows 152 cols
[2026-05-22 21:45:49] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:45:49] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-22 21:45:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:45:49] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:45:51] [INFO ] Implicit Places using invariants and state equation in 2041 ms returned []
Implicit Place search using SMT with State Equation took 2130 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 152/163 places, 404/432 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 64214 ms. Remains : 152/163 places, 404/432 transitions.
[2026-05-22 21:45:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22097 resets) in 2125 ms. (470 steps per ms)
BEST_FIRST walk for 1000001 steps (2094 resets) in 482 ms. (2070 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:45:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:53] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:45:53] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-22 21:45:53] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:45:53] [INFO ] [Real]Added 372 Read/Feed constraints in 28 ms returned sat
[2026-05-22 21:45:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:45:53] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:45:54] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-22 21:45:54] [INFO ] [Nat]Added 372 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:45:54] [INFO ] Computed and/alt/rep : 252/673/252 causal constraints (skipped 142 transitions) in 21 ms.
[2026-05-22 21:45:54] [INFO ] Added : 10 causal constraints over 2 iterations in 106 ms. Result :sat
Minimization took 242 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 21:45:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:45:54] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-22 21:45:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:45:54] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:45:56] [INFO ] Implicit Places using invariants and state equation in 2008 ms returned []
Implicit Place search using SMT with State Equation took 2088 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:45:56] [INFO ] Redundant transitions in 6 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 21:45:56] [INFO ] Invariant cache hit.
[2026-05-22 21:45:56] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:57] [INFO ] Deduced a trap composed of 2 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:57] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:57] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:57] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:45:58] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:01] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (OVERLAPS) 404/555 variables, 151/168 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/555 variables, 372/540 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/556 variables, and 540 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:27] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:27] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:27] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:27] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:27] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:28] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:29] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:29] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:30] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:31] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:31] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:31] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:32] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:46:32] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 8 (OVERLAPS) 404/555 variables, 151/182 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/555 variables, 372/554 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/555 variables, 394/948 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/556 variables, and 948 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60080ms problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 60082ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62191 ms. Remains : 152/152 places, 404/404 transitions.
[2026-05-22 21:46:56] [INFO ] Flatten gal took : 19 ms
[2026-05-22 21:46:56] [INFO ] Flatten gal took : 18 ms
[2026-05-22 21:46:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11426109040397492125.gal : 1 ms
[2026-05-22 21:46:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6301962397910273001.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11426109040397492125.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6301962397910273001.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (884 resets) in 191 ms. (208 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (86 resets) in 40 ms. (975 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (83 resets) in 37 ms. (1052 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality6301962397910273001.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 135
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :135 after 192
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :192 after 912
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :912 after 937
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :937 after 3046
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3046 after 3311
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3311 after 16196
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16196 after 41950
Interrupted probabilistic random walk after 1067185 steps, run timeout after 3001 ms. (steps per millisecond=355 ) properties seen :0 out of 2
Probabilistic random walk after 1067185 steps, saw 137421 distinct states, run finished after 3001 ms. (steps per millisecond=355 ) properties seen :0
[2026-05-22 21:46:59] [INFO ] Invariant cache hit.
[2026-05-22 21:46:59] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 145/183 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 113/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 28/211 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/211 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/220 variables, 9/160 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 9/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 280/500 variables, 58/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 252/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 17 (OVERLAPS) 56/556 variables, 49/528 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 7/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 145/183 variables, 28/33 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 113/146 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/146 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/211 variables, 2/148 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 3/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/211 variables, 0/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/220 variables, 9/160 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 9/169 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 1/170 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/220 variables, 0/170 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 280/500 variables, 58/228 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 252/480 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/480 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 56/556 variables, 49/529 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 7/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 272 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 592ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 3 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
RANDOM walk for 40000 steps (879 resets) in 152 ms. (261 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :41950 after 275369
Interrupted probabilistic random walk after 1433686 steps, run timeout after 3001 ms. (steps per millisecond=477 ) properties seen :0 out of 1
Probabilistic random walk after 1433686 steps, saw 182752 distinct states, run finished after 3001 ms. (steps per millisecond=477 ) properties seen :0
[2026-05-22 21:47:03] [INFO ] Invariant cache hit.
[2026-05-22 21:47:03] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 145/183 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 113/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/211 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/211 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/220 variables, 9/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 9/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 280/500 variables, 58/227 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 252/479 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 56/556 variables, 49/528 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 7/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 197 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 33/38 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/38 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 145/183 variables, 28/33 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/183 variables, 113/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/183 variables, 0/146 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/211 variables, 2/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/211 variables, 3/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/211 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/220 variables, 9/160 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/220 variables, 9/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/220 variables, 1/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/220 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 280/500 variables, 58/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 252/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 56/556 variables, 49/529 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 7/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 249 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 459ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 21:47:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:47:04] [INFO ] Implicit Places using invariants in 86 ms returned []
[2026-05-22 21:47:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:47:04] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:47:06] [INFO ] Implicit Places using invariants and state equation in 2037 ms returned []
Implicit Place search using SMT with State Equation took 2124 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:47:06] [INFO ] Redundant transitions in 4 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 21:47:06] [INFO ] Invariant cache hit.
[2026-05-22 21:47:06] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:07] [INFO ] Deduced a trap composed of 2 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:07] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:07] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:07] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:08] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:10] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :275369 after 2.04653e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (OVERLAPS) 404/555 variables, 151/168 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/555 variables, 372/540 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/556 variables, and 540 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:37] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:37] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:37] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:37] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:37] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:38] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:38] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:38] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:39] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:40] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:40] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:40] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:41] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:47:41] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 8 (OVERLAPS) 404/555 variables, 151/182 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:47:46] [INFO ] Flatten gal took : 22 ms
[2026-05-22 21:47:46] [INFO ] Applying decomposition
[2026-05-22 21:47:46] [INFO ] Flatten gal took : 11 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8394760155831857592.txt' '-o' '/tmp/graph8394760155831857592.bin' '-w' '/tmp/graph8394760155831857592.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8394760155831857592.bin' '-l' '-1' '-v' '-w' '/tmp/graph8394760155831857592.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:47:46] [INFO ] Decomposing Gal with order
[2026-05-22 21:47:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:47:46] [INFO ] Removed a total of 320 redundant transitions.
[2026-05-22 21:47:46] [INFO ] Flatten gal took : 20 ms
[2026-05-22 21:47:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 310 labels/synchronizations in 8 ms.
[2026-05-22 21:47:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9147943918235190252.gal : 3 ms
[2026-05-22 21:47:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3910732715675763622.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9147943918235190252.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3910732715675763622.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3910732715675763622.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 26
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :26 after 26
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :26 after 26
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :26 after 26
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :26 after 26
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :26 after 368
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :368 after 206850
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :206850 after 2.25807e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/555 variables, 372/554 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.25807e+06 after 1.50591e+07
At refinement iteration 10 (INCLUDED_ONLY) 0/555 variables, 394/948 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/556 variables, and 948 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60074ms problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 60075ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62214 ms. Remains : 152/152 places, 404/404 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 344 edges and 152 vertex of which 110 / 152 are part of one of the 2 SCC in 1 ms
Free SCC test removed 108 places
Drop transitions (Empty/Sink Transition effects.) removed 272 transitions
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 359 transitions.
Graph (complete) has 102 edges and 44 vertex of which 11 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.0 ms
Discarding 33 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 22 place count 11 transition count 12
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 3 transition count 4
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 2 transition count 3
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 2 transition count 3
Applied a total of 41 rules in 4 ms. Remains 2 /152 variables (removed 150) and now considering 3/404 (removed 401) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 21:48:06] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:48:06] [INFO ] After 2ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:48:06] [INFO ] After 4ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2026-05-22 21:48:06] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:48:06] [INFO ] After 1ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:48:06] [INFO ] After 2ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:48:06] [INFO ] After 16ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:48:06] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:48:06] [INFO ] Flatten gal took : 1 ms
[2026-05-22 21:48:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14331290326372732774.gal : 0 ms
[2026-05-22 21:48:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality30281550541523843.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14331290326372732774.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality30281550541523843.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality30281550541523843.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.002463,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.003111,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 72 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-04 in 203928 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:48:06] [INFO ] Computed 12 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (200 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (19 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:48:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:48:06] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:48:06] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:48:06] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:48:06] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:48:06] [INFO ] [Real]Added 386 Read/Feed constraints in 28 ms returned sat
[2026-05-22 21:48:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:48:06] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2026-05-22 21:48:06] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:48:06] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-22 21:48:06] [INFO ] [Nat]Added 386 Read/Feed constraints in 39 ms returned sat
[2026-05-22 21:48:06] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 19 ms.
[2026-05-22 21:48:06] [INFO ] Added : 5 causal constraints over 1 iterations in 90 ms. Result :sat
Minimization took 442 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 163 transition count 432
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 163 transition count 431
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 162 transition count 431
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 162 transition count 431
Applied a total of 17 rules in 14 ms. Remains 162 /168 variables (removed 6) and now considering 431/437 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 162/168 places, 431/437 transitions.
// Phase 1: matrix 431 rows 162 cols
[2026-05-22 21:48:07] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20197 resets) in 2161 ms. (462 steps per ms)
BEST_FIRST walk for 1000001 steps (1932 resets) in 501 ms. (1992 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:48:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:48:09] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:48:09] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:48:09] [INFO ] [Real]Absence check using state equation in 62 ms returned sat
[2026-05-22 21:48:09] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:48:09] [INFO ] [Real]Added 401 Read/Feed constraints in 30 ms returned sat
[2026-05-22 21:48:09] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:48:10] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2026-05-22 21:48:10] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:48:10] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-22 21:48:10] [INFO ] [Nat]Added 401 Read/Feed constraints in 41 ms returned sat
[2026-05-22 21:48:10] [INFO ] Computed and/alt/rep : 279/745/279 causal constraints (skipped 142 transitions) in 18 ms.
[2026-05-22 21:48:10] [INFO ] Added : 5 causal constraints over 1 iterations in 95 ms. Result :sat
Minimization took 366 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 5 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 162/162 places, 431/431 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 3 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
[2026-05-22 21:48:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:48:10] [INFO ] Implicit Places using invariants in 258 ms returned []
[2026-05-22 21:48:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:48:10] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:48:13] [INFO ] Implicit Places using invariants and state equation in 2294 ms returned []
Implicit Place search using SMT with State Equation took 2553 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:48:13] [INFO ] Redundant transitions in 8 ms returned []
Running 421 sub problems to find dead transitions.
[2026-05-22 21:48:13] [INFO ] Invariant cache hit.
[2026-05-22 21:48:13] [INFO ] State equation strengthened by 401 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:14] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:14] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 2 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 16 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 14 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 14 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:15] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:16] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:17] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:17] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:17] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:17] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:17] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:17] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:19] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:20] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:21] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:21] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:21] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:21] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:21] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:22] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:22] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:22] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:22] [INFO ] Deduced a trap composed of 14 places in 70 ms of which 8 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 16 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:23] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:24] [INFO ] Deduced a trap composed of 14 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:24] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:24] [INFO ] Deduced a trap composed of 14 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:24] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:25] [INFO ] Deduced a trap composed of 16 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:25] [INFO ] Deduced a trap composed of 16 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:25] [INFO ] Deduced a trap composed of 16 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:25] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:25] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:26] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:26] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:28] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 3/93 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:32] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:33] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:33] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:33] [INFO ] Deduced a trap composed of 2 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:33] [INFO ] Deduced a trap composed of 2 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:48:33] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 6/99 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 161/593 variables, and 99 constraints, problems are : Problem set: 0 solved, 421 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/162 constraints, ReadFeed: 0/401 constraints, PredecessorRefiner: 421/421 constraints, Known Traps: 87/87 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 87/99 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 4 (OVERLAPS) 431/592 variables, 161/260 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Problem TDEAD139 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD428 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/592 variables, 401/661 constraints. Problems are: Problem set: 11 solved, 410 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/592 variables, 410/1071 constraints. Problems are: Problem set: 11 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 592/593 variables, and 1071 constraints, problems are : Problem set: 11 solved, 410 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 161/162 constraints, ReadFeed: 401/401 constraints, PredecessorRefiner: 410/421 constraints, Known Traps: 87/87 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60086ms problems are : Problem set: 11 solved, 410 unsolved
Search for dead transitions found 11 dead transitions in 60087ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 162/162 places, 420/431 transitions.
Graph (complete) has 731 edges and 162 vertex of which 161 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 153 transition count 404
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 153 transition count 404
Applied a total of 17 rules in 5 ms. Remains 153 /162 variables (removed 9) and now considering 404/420 (removed 16) transitions.
// Phase 1: matrix 404 rows 153 cols
[2026-05-22 21:49:13] [INFO ] Computed 12 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:49:13] [INFO ] Implicit Places using invariants in 92 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 93 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 152/162 places, 404/431 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 151 transition count 411
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 151 transition count 403
Applied a total of 10 rules in 11 ms. Remains 151 /152 variables (removed 1) and now considering 403/404 (removed 1) transitions.
// Phase 1: matrix 403 rows 151 cols
[2026-05-22 21:49:13] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:49:13] [INFO ] Implicit Places using invariants in 88 ms returned []
[2026-05-22 21:49:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:49:13] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:49:15] [INFO ] Implicit Places using invariants and state equation in 1647 ms returned []
Implicit Place search using SMT with State Equation took 1736 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 151/162 places, 403/431 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 64508 ms. Remains : 151/162 places, 403/431 transitions.
[2026-05-22 21:49:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22229 resets) in 2115 ms. (472 steps per ms)
BEST_FIRST walk for 1000001 steps (2055 resets) in 484 ms. (2061 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:49:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:17] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2026-05-22 21:49:17] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-22 21:49:17] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:49:17] [INFO ] [Real]Added 373 Read/Feed constraints in 28 ms returned sat
[2026-05-22 21:49:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:49:17] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:49:17] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-22 21:49:18] [INFO ] [Nat]Added 373 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:49:18] [INFO ] Computed and/alt/rep : 251/675/251 causal constraints (skipped 142 transitions) in 19 ms.
[2026-05-22 21:49:18] [INFO ] Added : 7 causal constraints over 2 iterations in 80 ms. Result :sat
Minimization took 329 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 3 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:49:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:49:18] [INFO ] Implicit Places using invariants in 102 ms returned []
[2026-05-22 21:49:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:49:18] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:49:20] [INFO ] Implicit Places using invariants and state equation in 1692 ms returned []
Implicit Place search using SMT with State Equation took 1796 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:49:20] [INFO ] Redundant transitions in 8 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:49:20] [INFO ] Invariant cache hit.
[2026-05-22 21:49:20] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:21] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:21] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:21] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:22] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:22] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:22] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:23] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:23] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:23] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:23] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:23] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:23] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:24] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 403/553 variables, 150/174 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 373/547 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 547 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:50] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:50] [INFO ] Deduced a trap composed of 12 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:50] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:51] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:51] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:51] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:49:52] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 403/553 variables, 150/181 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 373/554 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 393/947 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 553/554 variables, and 947 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60081ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60081ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61893 ms. Remains : 151/151 places, 403/403 transitions.
[2026-05-22 21:50:20] [INFO ] Flatten gal took : 11 ms
[2026-05-22 21:50:20] [INFO ] Flatten gal took : 8 ms
[2026-05-22 21:50:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15169121762545489314.gal : 2 ms
[2026-05-22 21:50:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14674953059945558515.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15169121762545489314.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14674953059945558515.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality14674953059945558515.prop.
SDD proceeding with computation,2 properties remain. new max is 4
RANDOM walk for 40000 steps (888 resets) in 170 ms. (233 steps per ms) remains 2/2 properties
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
BEST_FIRST walk for 40003 steps (80 resets) in 38 ms. (1025 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
BEST_FIRST walk for 40003 steps (78 resets) in 44 ms. (888 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 720
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :720 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3062
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3062 after 7756
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7756 after 16220
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16220 after 45135
Interrupted probabilistic random walk after 1042692 steps, run timeout after 3001 ms. (steps per millisecond=347 ) properties seen :0 out of 2
Probabilistic random walk after 1042692 steps, saw 134239 distinct states, run finished after 3001 ms. (steps per millisecond=347 ) properties seen :0
[2026-05-22 21:50:23] [INFO ] Invariant cache hit.
[2026-05-22 21:50:23] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 48/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 276/330 variables, 38/52 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 248/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 26/356 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/356 variables, 26/329 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/356 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 8/364 variables, 8/337 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/364 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/364 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 16 (OVERLAPS) 190/554 variables, 74/419 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/554 variables, 116/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/54 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 276/330 variables, 38/52 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 1/53 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 248/301 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/301 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 26/356 variables, 2/303 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/356 variables, 26/329 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/356 variables, 1/330 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/356 variables, 0/330 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 8/364 variables, 8/338 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/364 variables, 8/346 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/364 variables, 0/346 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 190/554 variables, 74/420 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/554 variables, 116/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/554 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/554 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 230 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 525ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 3 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 6 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 151/151 places, 403/403 transitions.
RANDOM walk for 40000 steps (892 resets) in 177 ms. (224 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (80 resets) in 43 ms. (909 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :45135 after 277567
Interrupted probabilistic random walk after 1440781 steps, run timeout after 3001 ms. (steps per millisecond=480 ) properties seen :0 out of 1
Probabilistic random walk after 1440781 steps, saw 183502 distinct states, run finished after 3001 ms. (steps per millisecond=480 ) properties seen :0
[2026-05-22 21:50:27] [INFO ] Invariant cache hit.
[2026-05-22 21:50:27] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 276/330 variables, 38/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 248/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 26/356 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/356 variables, 26/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/356 variables, 0/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 8/364 variables, 8/337 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/364 variables, 8/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/364 variables, 0/345 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 190/554 variables, 74/419 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/554 variables, 116/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 48/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 276/330 variables, 38/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/330 variables, 1/53 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/330 variables, 248/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/330 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 26/356 variables, 2/303 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/356 variables, 26/329 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/356 variables, 1/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/356 variables, 0/330 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 8/364 variables, 8/338 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/364 variables, 8/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/364 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 190/554 variables, 74/420 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/554 variables, 116/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/554 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/554 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 221 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 392ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 6 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 5 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 4 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:50:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:50:27] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-22 21:50:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:50:27] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:50:29] [INFO ] Implicit Places using invariants and state equation in 1625 ms returned []
Implicit Place search using SMT with State Equation took 1704 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:50:29] [INFO ] Redundant transitions in 4 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:50:29] [INFO ] Invariant cache hit.
[2026-05-22 21:50:29] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:30] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:30] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:30] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:31] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:31] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:31] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:32] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:32] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:32] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:32] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:32] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:32] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:33] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 7/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :277567 after 2.03935e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 403/553 variables, 150/174 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 373/547 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 547 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 13/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:59] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:59] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:50:59] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:00] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:00] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:00] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:01] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 4/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (OVERLAPS) 403/553 variables, 150/181 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 373/554 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:51:10] [INFO ] Flatten gal took : 8 ms
[2026-05-22 21:51:10] [INFO ] Applying decomposition
[2026-05-22 21:51:10] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph6290239296287223263.txt' '-o' '/tmp/graph6290239296287223263.bin' '-w' '/tmp/graph6290239296287223263.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph6290239296287223263.bin' '-l' '-1' '-v' '-w' '/tmp/graph6290239296287223263.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:51:10] [INFO ] Decomposing Gal with order
[2026-05-22 21:51:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:51:10] [INFO ] Removed a total of 324 redundant transitions.
[2026-05-22 21:51:10] [INFO ] Flatten gal took : 22 ms
[2026-05-22 21:51:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 324 labels/synchronizations in 6 ms.
[2026-05-22 21:51:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7133981904631672175.gal : 3 ms
[2026-05-22 21:51:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9083427647695902436.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7133981904631672175.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9083427647695902436.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality9083427647695902436.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 35
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :443 after 1344
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :245941 after 382635
At refinement iteration 7 (INCLUDED_ONLY) 0/553 variables, 393/947 constraints. Problems are: Problem set: 0 solved, 393 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3.10874e+06 after 5.83475e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.57343e+07 after 4.6202e+07
Error getting values : (error "ParserException while parsing response: ((t0 1)
(t1 0)
(t2 0)
(t3 0)
(t4 0)
(t5 1)timeout

(t6 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 553/554 variables, and 947 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60069ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60071ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61788 ms. Remains : 151/151 places, 403/403 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 344 edges and 151 vertex of which 109 / 151 are part of one of the 2 SCC in 0 ms
Free SCC test removed 107 places
Drop transitions (Empty/Sink Transition effects.) removed 271 transitions
Ensure Unique test removed 85 transitions
Reduce isomorphic transitions removed 356 transitions.
Graph (complete) has 103 edges and 44 vertex of which 12 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 23 place count 12 transition count 14
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 31 place count 4 transition count 6
Iterating global reduction 1 with 8 rules applied. Total rules applied 39 place count 4 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 3 transition count 5
Applied a total of 40 rules in 4 ms. Remains 3 /151 variables (removed 148) and now considering 5/403 (removed 398) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 3 cols
[2026-05-22 21:51:29] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:51:29] [INFO ] After 20ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:51:29] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:51:29] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:51:29] [INFO ] After 22ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:51:29] [INFO ] Flatten gal took : 3 ms
[2026-05-22 21:51:29] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:51:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9643746031338086210.gal : 0 ms
[2026-05-22 21:51:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6357801488608055984.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9643746031338086210.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6357801488608055984.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6357801488608055984.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6,0.002444,3880,2,6,6,29,6,0,18,17,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,0.002728,4136,2,4,6,29,7,0,21,17,0
Over-approximation ignoring read arcs solved 0 properties in 58 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-06 in 203118 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:51:29] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (197 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10000 steps (19 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:51:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:51:29] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:51:29] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:51:29] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-22 21:51:29] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:51:29] [INFO ] [Real]Added 386 Read/Feed constraints in 46 ms returned sat
[2026-05-22 21:51:29] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:51:29] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:51:29] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:51:29] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 21:51:29] [INFO ] [Nat]Added 386 Read/Feed constraints in 47 ms returned sat
[2026-05-22 21:51:29] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 22 ms.
[2026-05-22 21:51:29] [INFO ] Added : 11 causal constraints over 3 iterations in 121 ms. Result :sat
Minimization took 407 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 164 transition count 433
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 164 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 163 transition count 432
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 16 place count 163 transition count 432
Applied a total of 16 rules in 16 ms. Remains 163 /168 variables (removed 5) and now considering 432/437 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 163/168 places, 432/437 transitions.
// Phase 1: matrix 432 rows 163 cols
[2026-05-22 21:51:30] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20107 resets) in 2158 ms. (463 steps per ms)
BEST_FIRST walk for 1000001 steps (1937 resets) in 495 ms. (2016 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:51:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:33] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:51:33] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:51:33] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-22 21:51:33] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:51:33] [INFO ] [Real]Added 400 Read/Feed constraints in 29 ms returned sat
[2026-05-22 21:51:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:51:33] [INFO ] [Nat]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 21:51:33] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:51:33] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-22 21:51:33] [INFO ] [Nat]Added 400 Read/Feed constraints in 38 ms returned sat
[2026-05-22 21:51:33] [INFO ] Computed and/alt/rep : 282/749/282 causal constraints (skipped 140 transitions) in 18 ms.
[2026-05-22 21:51:33] [INFO ] Added : 7 causal constraints over 2 iterations in 102 ms. Result :sat
Minimization took 452 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 21:51:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:51:34] [INFO ] Implicit Places using invariants in 240 ms returned []
[2026-05-22 21:51:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:51:34] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:51:35] [INFO ] Implicit Places using invariants and state equation in 1779 ms returned []
Implicit Place search using SMT with State Equation took 2021 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:51:35] [INFO ] Redundant transitions in 7 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 21:51:35] [INFO ] Invariant cache hit.
[2026-05-22 21:51:35] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:37] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:37] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:37] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:37] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:37] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:37] [INFO ] Deduced a trap composed of 2 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 14 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 14 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:38] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:39] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:39] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:39] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:40] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:41] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:42] [INFO ] Deduced a trap composed of 15 places in 79 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:42] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:43] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:43] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:43] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:43] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:43] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:44] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:46] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:46] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:46] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:46] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:46] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:48] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:49] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 7/79 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:50] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:59] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:59] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:59] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:59] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:59] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:51:59] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:00] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:00] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:00] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 9/89 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:02] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:02] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:03] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:03] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:03] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 5/94 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 162/595 variables, and 94 constraints, problems are : Problem set: 0 solved, 422 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/163 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 82/82 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 82/94 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 4 (OVERLAPS) 432/594 variables, 162/256 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Problem TDEAD142 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD429 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/594 variables, 400/656 constraints. Problems are: Problem set: 11 solved, 411 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/594 variables, 411/1067 constraints. Problems are: Problem set: 11 solved, 411 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 594/595 variables, and 1067 constraints, problems are : Problem set: 11 solved, 411 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 411/422 constraints, Known Traps: 82/82 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60076ms problems are : Problem set: 11 solved, 411 unsolved
Search for dead transitions found 11 dead transitions in 60077ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 163/163 places, 421/432 transitions.
Graph (complete) has 732 edges and 163 vertex of which 162 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 154 transition count 405
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 154 transition count 405
Applied a total of 17 rules in 13 ms. Remains 154 /163 variables (removed 9) and now considering 405/421 (removed 16) transitions.
// Phase 1: matrix 405 rows 154 cols
[2026-05-22 21:52:35] [INFO ] Computed 12 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:52:36] [INFO ] Implicit Places using invariants in 100 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 101 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 153/163 places, 405/432 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 152 transition count 412
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 152 transition count 404
Applied a total of 10 rules in 13 ms. Remains 152 /153 variables (removed 1) and now considering 404/405 (removed 1) transitions.
// Phase 1: matrix 404 rows 152 cols
[2026-05-22 21:52:36] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:52:36] [INFO ] Implicit Places using invariants in 95 ms returned []
[2026-05-22 21:52:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:52:36] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:52:38] [INFO ] Implicit Places using invariants and state equation in 1932 ms returned []
Implicit Place search using SMT with State Equation took 2030 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 152/163 places, 404/432 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 64272 ms. Remains : 152/163 places, 404/432 transitions.
[2026-05-22 21:52:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22114 resets) in 2235 ms. (447 steps per ms)
BEST_FIRST walk for 1000001 steps (2073 resets) in 484 ms. (2061 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:52:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:40] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2026-05-22 21:52:40] [INFO ] [Real]Absence check using state equation in 58 ms returned sat
[2026-05-22 21:52:40] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:52:40] [INFO ] [Real]Added 372 Read/Feed constraints in 28 ms returned sat
[2026-05-22 21:52:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:52:41] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:52:41] [INFO ] [Nat]Absence check using state equation in 60 ms returned sat
[2026-05-22 21:52:41] [INFO ] [Nat]Added 372 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:52:41] [INFO ] Computed and/alt/rep : 254/679/254 causal constraints (skipped 140 transitions) in 16 ms.
[2026-05-22 21:52:41] [INFO ] Added : 5 causal constraints over 1 iterations in 61 ms. Result :sat
Minimization took 296 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 3 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 21:52:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:52:41] [INFO ] Implicit Places using invariants in 97 ms returned []
[2026-05-22 21:52:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:52:41] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:52:43] [INFO ] Implicit Places using invariants and state equation in 1930 ms returned []
Implicit Place search using SMT with State Equation took 2028 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:52:43] [INFO ] Redundant transitions in 6 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 21:52:43] [INFO ] Invariant cache hit.
[2026-05-22 21:52:43] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:44] [INFO ] Deduced a trap composed of 2 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:44] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:44] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:44] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:45] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:45] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:45] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:45] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:46] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 9/20 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:47] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:48] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:50] [INFO ] Deduced a trap composed of 12 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:50] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:52:50] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (OVERLAPS) 404/555 variables, 151/176 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/555 variables, 372/548 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/556 variables, and 548 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30020 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:14] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:15] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (OVERLAPS) 404/555 variables, 151/178 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/555 variables, 372/550 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/555 variables, 394/944 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/556 variables, and 944 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60073ms problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 60074ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62121 ms. Remains : 152/152 places, 404/404 transitions.
[2026-05-22 21:53:43] [INFO ] Flatten gal took : 9 ms
[2026-05-22 21:53:43] [INFO ] Flatten gal took : 8 ms
[2026-05-22 21:53:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16188483115654209078.gal : 2 ms
[2026-05-22 21:53:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1550855182144587057.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16188483115654209078.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1550855182144587057.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality1550855182144587057.prop.
RANDOM walk for 40000 steps (883 resets) in 221 ms. (180 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
BEST_FIRST walk for 40002 steps (80 resets) in 49 ms. (800 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
BEST_FIRST walk for 40002 steps (85 resets) in 35 ms. (1111 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 720
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :720 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3058
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3058 after 7417
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7417 after 16028
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16028 after 41711
Interrupted probabilistic random walk after 1118919 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 2
Probabilistic random walk after 1118919 steps, saw 144355 distinct states, run finished after 3001 ms. (steps per millisecond=372 ) properties seen :0
[2026-05-22 21:53:46] [INFO ] Invariant cache hit.
[2026-05-22 21:53:46] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 23/28 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 107/135 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 70/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/135 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 28/163 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/172 variables, 9/107 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 9/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 328/500 variables, 61/177 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 302/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 17 (OVERLAPS) 56/556 variables, 56/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 333 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/28 variables, 3/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/4 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 107/135 variables, 21/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 70/95 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/135 variables, 0/95 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/163 variables, 2/97 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 1/98 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/172 variables, 9/107 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 9/116 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 1/117 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/172 variables, 0/117 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 328/500 variables, 61/178 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 302/480 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/480 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 56/556 variables, 56/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 245 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 608ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 4 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
RANDOM walk for 40000 steps (882 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (85 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :41711 after 274856
Interrupted probabilistic random walk after 1426264 steps, run timeout after 3001 ms. (steps per millisecond=475 ) properties seen :0 out of 1
Probabilistic random walk after 1426264 steps, saw 183609 distinct states, run finished after 3001 ms. (steps per millisecond=475 ) properties seen :0
[2026-05-22 21:53:50] [INFO ] Invariant cache hit.
[2026-05-22 21:53:50] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/28 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 107/135 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 70/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/135 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/163 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/172 variables, 9/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 9/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 328/500 variables, 61/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/500 variables, 302/479 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 0/479 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 56/556 variables, 56/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 175 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 23/28 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 107/135 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 70/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/135 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/163 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/163 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/163 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/172 variables, 9/107 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 9/116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 1/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/172 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 328/500 variables, 61/178 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/500 variables, 302/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/500 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 56/556 variables, 56/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 413ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 4 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 3 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 21:53:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:53:51] [INFO ] Implicit Places using invariants in 86 ms returned []
[2026-05-22 21:53:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:53:51] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 21:53:52] [INFO ] Implicit Places using invariants and state equation in 1894 ms returned []
Implicit Place search using SMT with State Equation took 1993 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:53:52] [INFO ] Redundant transitions in 18 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 21:53:52] [INFO ] Invariant cache hit.
[2026-05-22 21:53:52] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:54] [INFO ] Deduced a trap composed of 2 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:54] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:54] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:54] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:55] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:55] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:55] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:55] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:55] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 9/20 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:56] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:57] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SDD size :274856 after 2.03634e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:59] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:59] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:53:59] [INFO ] Deduced a trap composed of 12 places in 19 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (OVERLAPS) 404/555 variables, 151/176 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/555 variables, 372/548 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/556 variables, and 548 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 14/25 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:24] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:54:25] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/151 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (OVERLAPS) 404/555 variables, 151/178 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/555 variables, 372/550 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:54:33] [INFO ] Flatten gal took : 7 ms
[2026-05-22 21:54:33] [INFO ] Applying decomposition
[2026-05-22 21:54:33] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13567687725929923127.txt' '-o' '/tmp/graph13567687725929923127.bin' '-w' '/tmp/graph13567687725929923127.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13567687725929923127.bin' '-l' '-1' '-v' '-w' '/tmp/graph13567687725929923127.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:54:33] [INFO ] Decomposing Gal with order
[2026-05-22 21:54:33] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:54:33] [INFO ] Removed a total of 320 redundant transitions.
[2026-05-22 21:54:33] [INFO ] Flatten gal took : 18 ms
[2026-05-22 21:54:33] [INFO ] Fuse similar labels procedure discarded/fused a total of 332 labels/synchronizations in 5 ms.
[2026-05-22 21:54:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8819155108857166156.gal : 3 ms
[2026-05-22 21:54:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9826318940151358960.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8819155108857166156.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9826318940151358960.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality9826318940151358960.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 34
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :34 after 34
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :34 after 34
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :34 after 34
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :34 after 34
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :34 after 470
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :470 after 1277
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :231765 after 366193
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.99196e+06 after 5.09096e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/555 variables, 394/944 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.54279e+07 after 4.33365e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/556 variables, and 944 constraints, problems are : Problem set: 0 solved, 394 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 394/394 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60096ms problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 60097ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62117 ms. Remains : 152/152 places, 404/404 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 345 edges and 152 vertex of which 109 / 152 are part of one of the 2 SCC in 1 ms
Free SCC test removed 107 places
Drop transitions (Empty/Sink Transition effects.) removed 271 transitions
Ensure Unique test removed 85 transitions
Reduce isomorphic transitions removed 356 transitions.
Graph (complete) has 105 edges and 45 vertex of which 13 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 23 place count 13 transition count 15
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 31 place count 5 transition count 7
Iterating global reduction 1 with 8 rules applied. Total rules applied 39 place count 5 transition count 7
Free-agglomeration rule applied 1 times.
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 5 transition count 6
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 3 edges and 4 vertex of which 3 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 3 rules applied. Total rules applied 43 place count 3 transition count 5
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 44 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 45 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 46 place count 2 transition count 3
Iterating global reduction 3 with 1 rules applied. Total rules applied 47 place count 2 transition count 3
Applied a total of 47 rules in 2 ms. Remains 2 /152 variables (removed 150) and now considering 3/404 (removed 401) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 21:54:53] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:54:53] [INFO ] After 1ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:54:53] [INFO ] After 7ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2026-05-22 21:54:53] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:54:53] [INFO ] After 1ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:54:53] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:54:53] [INFO ] After 23ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:54:53] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:54:53] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:54:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1227059172866792992.gal : 0 ms
[2026-05-22 21:54:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12642263404779477623.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1227059172866792992.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12642263404779477623.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12642263404779477623.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.006145,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.006961,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 72 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-07 in 203779 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:54:53] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (197 resets) in 27 ms. (357 steps per ms)
BEST_FIRST walk for 10001 steps (19 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:54:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:54:53] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:54:53] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:54:53] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2026-05-22 21:54:53] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:54:53] [INFO ] [Real]Added 386 Read/Feed constraints in 40 ms returned sat
[2026-05-22 21:54:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:54:53] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:54:53] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:54:53] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2026-05-22 21:54:53] [INFO ] [Nat]Added 386 Read/Feed constraints in 38 ms returned sat
[2026-05-22 21:54:53] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 20 ms.
[2026-05-22 21:54:53] [INFO ] Added : 4 causal constraints over 1 iterations in 83 ms. Result :sat
Minimization took 328 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 163 transition count 432
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 11 place count 163 transition count 431
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 162 transition count 431
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 162 transition count 431
Applied a total of 17 rules in 14 ms. Remains 162 /168 variables (removed 6) and now considering 431/437 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 162/168 places, 431/437 transitions.
// Phase 1: matrix 431 rows 162 cols
[2026-05-22 21:54:53] [INFO ] Computed 12 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20132 resets) in 2142 ms. (466 steps per ms)
BEST_FIRST walk for 1000001 steps (1950 resets) in 502 ms. (1988 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:54:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:54:56] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:54:56] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:54:56] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-22 21:54:56] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:54:56] [INFO ] [Real]Added 401 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:54:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:54:56] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:54:56] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:54:56] [INFO ] [Nat]Absence check using state equation in 64 ms returned sat
[2026-05-22 21:54:56] [INFO ] [Nat]Added 401 Read/Feed constraints in 32 ms returned sat
[2026-05-22 21:54:56] [INFO ] Computed and/alt/rep : 279/745/279 causal constraints (skipped 142 transitions) in 18 ms.
[2026-05-22 21:54:57] [INFO ] Added : 4 causal constraints over 1 iterations in 67 ms. Result :sat
Minimization took 378 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 3 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 162/162 places, 431/431 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 162/162 places, 431/431 transitions.
Applied a total of 0 rules in 4 ms. Remains 162 /162 variables (removed 0) and now considering 431/431 (removed 0) transitions.
[2026-05-22 21:54:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:54:57] [INFO ] Implicit Places using invariants in 240 ms returned []
[2026-05-22 21:54:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:54:57] [INFO ] State equation strengthened by 401 read => feed constraints.
[2026-05-22 21:54:58] [INFO ] Implicit Places using invariants and state equation in 1124 ms returned []
Implicit Place search using SMT with State Equation took 1366 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:54:58] [INFO ] Redundant transitions in 4 ms returned []
Running 421 sub problems to find dead transitions.
[2026-05-22 21:54:58] [INFO ] Invariant cache hit.
[2026-05-22 21:54:58] [INFO ] State equation strengthened by 401 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 2 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 2 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 2 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 2 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:00] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 14 places in 71 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:01] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:02] [INFO ] Deduced a trap composed of 14 places in 67 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:03] [INFO ] Deduced a trap composed of 16 places in 32 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:04] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:04] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:05] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:05] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:05] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:06] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:07] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:08] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:08] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:08] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:09] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:11] [INFO ] Deduced a trap composed of 2 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:12] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:12] [INFO ] Deduced a trap composed of 2 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:12] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 16 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 16 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:14] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 7/99 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:21] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:55:24] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 161/593 variables, and 101 constraints, problems are : Problem set: 0 solved, 421 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/162 constraints, ReadFeed: 0/401 constraints, PredecessorRefiner: 421/421 constraints, Known Traps: 89/89 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 421 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/161 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/161 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/161 variables, 89/101 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/161 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 421 unsolved
At refinement iteration 4 (OVERLAPS) 431/592 variables, 161/262 constraints. Problems are: Problem set: 0 solved, 421 unsolved
Problem TDEAD139 is UNSAT
Problem TDEAD305 is UNSAT
Problem TDEAD314 is UNSAT
Problem TDEAD323 is UNSAT
Problem TDEAD333 is UNSAT
Problem TDEAD344 is UNSAT
Problem TDEAD354 is UNSAT
Problem TDEAD365 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD409 is UNSAT
Problem TDEAD429 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/592 variables, 401/663 constraints. Problems are: Problem set: 11 solved, 410 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/592 variables, 410/1073 constraints. Problems are: Problem set: 11 solved, 410 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 592/593 variables, and 1073 constraints, problems are : Problem set: 11 solved, 410 unsolved in 30025 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 161/162 constraints, ReadFeed: 401/401 constraints, PredecessorRefiner: 410/421 constraints, Known Traps: 89/89 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60084ms problems are : Problem set: 11 solved, 410 unsolved
Search for dead transitions found 11 dead transitions in 60085ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 162/162 places, 420/431 transitions.
Graph (complete) has 732 edges and 162 vertex of which 161 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 153 transition count 404
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 153 transition count 404
Applied a total of 17 rules in 6 ms. Remains 153 /162 variables (removed 9) and now considering 404/420 (removed 16) transitions.
// Phase 1: matrix 404 rows 153 cols
[2026-05-22 21:55:58] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:55:58] [INFO ] Implicit Places using invariants in 96 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 97 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 152/162 places, 404/431 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 151 transition count 411
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 151 transition count 403
Applied a total of 10 rules in 12 ms. Remains 151 /152 variables (removed 1) and now considering 403/404 (removed 1) transitions.
// Phase 1: matrix 403 rows 151 cols
[2026-05-22 21:55:58] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:55:59] [INFO ] Implicit Places using invariants in 84 ms returned []
[2026-05-22 21:55:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:55:59] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:56:01] [INFO ] Implicit Places using invariants and state equation in 2183 ms returned []
Implicit Place search using SMT with State Equation took 2282 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 151/162 places, 403/431 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 63863 ms. Remains : 151/162 places, 403/431 transitions.
[2026-05-22 21:56:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22203 resets) in 2132 ms. (468 steps per ms)
BEST_FIRST walk for 1000001 steps (2088 resets) in 488 ms. (2044 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:56:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:56:03] [INFO ] [Real]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:56:04] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-22 21:56:04] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:56:04] [INFO ] [Real]Added 373 Read/Feed constraints in 27 ms returned sat
[2026-05-22 21:56:04] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:56:04] [INFO ] [Nat]Absence check using 11 positive place invariants in 3 ms returned sat
[2026-05-22 21:56:04] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2026-05-22 21:56:04] [INFO ] [Nat]Added 373 Read/Feed constraints in 34 ms returned sat
[2026-05-22 21:56:04] [INFO ] Computed and/alt/rep : 251/675/251 causal constraints (skipped 142 transitions) in 22 ms.
[2026-05-22 21:56:04] [INFO ] Added : 4 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 218 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 5 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 3 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:56:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:56:04] [INFO ] Implicit Places using invariants in 81 ms returned []
[2026-05-22 21:56:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:56:04] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:56:06] [INFO ] Implicit Places using invariants and state equation in 2180 ms returned []
Implicit Place search using SMT with State Equation took 2262 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:56:06] [INFO ] Redundant transitions in 4 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:56:06] [INFO ] Invariant cache hit.
[2026-05-22 21:56:06] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:07] [INFO ] Deduced a trap composed of 2 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:07] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:08] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:09] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:09] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:09] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:10] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:10] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:10] [INFO ] Deduced a trap composed of 12 places in 20 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:10] [INFO ] Deduced a trap composed of 12 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:10] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:10] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:13] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:13] [INFO ] Deduced a trap composed of 2 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:13] [INFO ] Deduced a trap composed of 2 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:56:14] [INFO ] Deduced a trap composed of 12 places in 29 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (OVERLAPS) 403/553 variables, 150/177 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/553 variables, 373/550 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 550 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (OVERLAPS) 403/553 variables, 150/177 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/553 variables, 373/550 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/553 variables, 393/943 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 0/943 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (OVERLAPS) 1/554 variables, 1/944 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 554/554 variables, and 944 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60069ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60070ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62347 ms. Remains : 151/151 places, 403/403 transitions.
[2026-05-22 21:57:06] [INFO ] Flatten gal took : 13 ms
[2026-05-22 21:57:06] [INFO ] Flatten gal took : 7 ms
[2026-05-22 21:57:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3759904192718849949.gal : 1 ms
[2026-05-22 21:57:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1401846635373208296.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3759904192718849949.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1401846635373208296.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1401846635373208296.prop.
RANDOM walk for 40000 steps (882 resets) in 214 ms. (186 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (80 resets) in 29 ms. (1333 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
BEST_FIRST walk for 40003 steps (81 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 702
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :702 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3058
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3058 after 7718
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7718 after 16213
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16213 after 45110
Interrupted probabilistic random walk after 1128829 steps, run timeout after 3001 ms. (steps per millisecond=376 ) properties seen :0 out of 2
Probabilistic random walk after 1128829 steps, saw 143990 distinct states, run finished after 3001 ms. (steps per millisecond=376 ) properties seen :0
[2026-05-22 21:57:09] [INFO ] Invariant cache hit.
[2026-05-22 21:57:09] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 282/512 variables, 63/236 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/512 variables, 257/493 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 19 (OVERLAPS) 42/554 variables, 42/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 377 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 1/174 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/230 variables, 0/174 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 282/512 variables, 63/237 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 257/494 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/512 variables, 0/494 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/554 variables, 42/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/554 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/554 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 229 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 612ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 6 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 151/151 places, 403/403 transitions.
RANDOM walk for 40000 steps (891 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (78 resets) in 38 ms. (1025 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :45110 after 278099
Interrupted probabilistic random walk after 1439190 steps, run timeout after 3001 ms. (steps per millisecond=479 ) properties seen :0 out of 1
Probabilistic random walk after 1439190 steps, saw 183268 distinct states, run finished after 3001 ms. (steps per millisecond=479 ) properties seen :0
[2026-05-22 21:57:13] [INFO ] Invariant cache hit.
[2026-05-22 21:57:13] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 282/512 variables, 63/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/512 variables, 257/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 0/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 42/554 variables, 42/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/554 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 554/554 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 191 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 49/54 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/54 variables, 9/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/54 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 140/194 variables, 30/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/194 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/194 variables, 107/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/194 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 27/221 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/221 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/221 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/230 variables, 9/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/230 variables, 9/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/230 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/230 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 282/512 variables, 63/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/512 variables, 257/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/512 variables, 0/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 42/554 variables, 42/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/554 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/554 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 554/554 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 237 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 436ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 151 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 7 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 151/151 places, 403/403 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 151/151 places, 403/403 transitions.
Applied a total of 0 rules in 3 ms. Remains 151 /151 variables (removed 0) and now considering 403/403 (removed 0) transitions.
[2026-05-22 21:57:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:57:14] [INFO ] Implicit Places using invariants in 93 ms returned []
[2026-05-22 21:57:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:57:14] [INFO ] State equation strengthened by 373 read => feed constraints.
[2026-05-22 21:57:16] [INFO ] Implicit Places using invariants and state equation in 2250 ms returned []
Implicit Place search using SMT with State Equation took 2344 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:57:16] [INFO ] Redundant transitions in 2 ms returned []
Running 393 sub problems to find dead transitions.
[2026-05-22 21:57:16] [INFO ] Invariant cache hit.
[2026-05-22 21:57:16] [INFO ] State equation strengthened by 373 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:17] [INFO ] Deduced a trap composed of 2 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:17] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:17] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:18] [INFO ] Deduced a trap composed of 12 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:18] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:18] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:19] [INFO ] Deduced a trap composed of 12 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:19] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:19] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:20] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:20] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:20] [INFO ] Deduced a trap composed of 12 places in 27 ms of which 2 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :278099 after 2.04515e+06
At refinement iteration 3 (INCLUDED_ONLY) 0/150 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:23] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/150 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:23] [INFO ] Deduced a trap composed of 2 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:23] [INFO ] Deduced a trap composed of 2 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:57:24] [INFO ] Deduced a trap composed of 12 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/150 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/150 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (OVERLAPS) 403/553 variables, 150/177 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/553 variables, 373/550 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 553/554 variables, and 550 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30012 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 150/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 393 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/150 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/150 variables, 16/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/150 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 3 (OVERLAPS) 403/553 variables, 150/177 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/553 variables, 373/550 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/553 variables, 393/943 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Detected timeout of ITS tools.
[2026-05-22 21:57:56] [INFO ] Flatten gal took : 7 ms
[2026-05-22 21:57:56] [INFO ] Applying decomposition
[2026-05-22 21:57:56] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4259928308805257649.txt' '-o' '/tmp/graph4259928308805257649.bin' '-w' '/tmp/graph4259928308805257649.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4259928308805257649.bin' '-l' '-1' '-v' '-w' '/tmp/graph4259928308805257649.weights' '-q' '0' '-e' '0.001'
[2026-05-22 21:57:57] [INFO ] Decomposing Gal with order
[2026-05-22 21:57:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 21:57:57] [INFO ] Removed a total of 321 redundant transitions.
[2026-05-22 21:57:57] [INFO ] Flatten gal took : 17 ms
[2026-05-22 21:57:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 310 labels/synchronizations in 5 ms.
[2026-05-22 21:57:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17379387076983277508.gal : 3 ms
[2026-05-22 21:57:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7251694820859450932.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17379387076983277508.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7251694820859450932.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality7251694820859450932.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 35
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :35 after 35
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :35 after 614
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :614 after 16446
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :16446 after 315679
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :315679 after 1.5129e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/553 variables, 0/943 constraints. Problems are: Problem set: 0 solved, 393 unsolved
At refinement iteration 7 (OVERLAPS) 1/554 variables, 1/944 constraints. Problems are: Problem set: 0 solved, 393 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 554/554 variables, and 944 constraints, problems are : Problem set: 0 solved, 393 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 151/151 constraints, ReadFeed: 373/373 constraints, PredecessorRefiner: 393/393 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60071ms problems are : Problem set: 0 solved, 393 unsolved
Search for dead transitions found 0 dead transitions in 60072ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62431 ms. Remains : 151/151 places, 403/403 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 343 edges and 151 vertex of which 109 / 151 are part of one of the 2 SCC in 0 ms
Free SCC test removed 107 places
Drop transitions (Empty/Sink Transition effects.) removed 271 transitions
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 358 transitions.
Graph (complete) has 102 edges and 44 vertex of which 11 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.0 ms
Discarding 33 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 22 place count 11 transition count 12
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 3 transition count 4
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 2 transition count 3
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 2 transition count 3
Applied a total of 41 rules in 2 ms. Remains 2 /151 variables (removed 149) and now considering 3/403 (removed 400) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 21:58:16] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:58:16] [INFO ] After 18ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 21:58:16] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 21:58:16] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:58:16] [INFO ] After 18ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 21:58:16] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:58:16] [INFO ] Flatten gal took : 0 ms
[2026-05-22 21:58:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1703361341415568097.gal : 0 ms
[2026-05-22 21:58:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3796318813557057136.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1703361341415568097.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3796318813557057136.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3796318813557057136.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.001749,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.002028,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 49 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-09 in 203470 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 21:58:16] [INFO ] Computed 12 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (202 resets) in 27 ms. (357 steps per ms)
BEST_FIRST walk for 10001 steps (19 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:58:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:58:16] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:58:16] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 21:58:16] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2026-05-22 21:58:16] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 21:58:16] [INFO ] [Real]Added 386 Read/Feed constraints in 35 ms returned sat
[2026-05-22 21:58:16] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 21:58:16] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:58:16] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:58:16] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2026-05-22 21:58:16] [INFO ] [Nat]Added 386 Read/Feed constraints in 46 ms returned sat
[2026-05-22 21:58:16] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 20 ms.
[2026-05-22 21:58:17] [INFO ] Added : 10 causal constraints over 2 iterations in 100 ms. Result :sat
Minimization took 358 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 163 transition count 432
Partial Free-agglomeration rule applied 4 times.
Drop transitions (Partial Free agglomeration) removed 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 14 place count 163 transition count 432
Applied a total of 14 rules in 8 ms. Remains 163 /168 variables (removed 5) and now considering 432/437 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 163/168 places, 432/437 transitions.
// Phase 1: matrix 432 rows 163 cols
[2026-05-22 21:58:17] [INFO ] Computed 12 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20270 resets) in 2171 ms. (460 steps per ms)
BEST_FIRST walk for 1000001 steps (1996 resets) in 511 ms. (1953 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:58:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:58:20] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:58:20] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:58:20] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2026-05-22 21:58:20] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:58:20] [INFO ] [Real]Added 400 Read/Feed constraints in 38 ms returned sat
[2026-05-22 21:58:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:58:20] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:58:20] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:58:20] [INFO ] [Nat]Absence check using state equation in 65 ms returned sat
[2026-05-22 21:58:20] [INFO ] [Nat]Added 400 Read/Feed constraints in 36 ms returned sat
[2026-05-22 21:58:20] [INFO ] Computed and/alt/rep : 279/736/279 causal constraints (skipped 143 transitions) in 18 ms.
[2026-05-22 21:58:20] [INFO ] Added : 7 causal constraints over 2 iterations in 84 ms. Result :sat
Minimization took 533 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 21:58:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:58:21] [INFO ] Implicit Places using invariants in 249 ms returned []
[2026-05-22 21:58:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:58:21] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 21:58:22] [INFO ] Implicit Places using invariants and state equation in 1294 ms returned []
Implicit Place search using SMT with State Equation took 1544 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:58:22] [INFO ] Redundant transitions in 5 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 21:58:22] [INFO ] Invariant cache hit.
[2026-05-22 21:58:22] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 2 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:24] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 14 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:25] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 14 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:26] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:27] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:27] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:27] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:28] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:28] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:29] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:29] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:31] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:31] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:31] [INFO ] Deduced a trap composed of 14 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:31] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 14 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 14 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:32] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:33] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:34] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:34] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:36] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:36] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:36] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:36] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:37] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:37] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:37] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 17/89 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:58:38] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 3/92 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 162/595 variables, and 92 constraints, problems are : Problem set: 0 solved, 422 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/163 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 80/80 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 80/92 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 4 (OVERLAPS) 432/594 variables, 162/254 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Problem TDEAD308 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD412 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/594 variables, 400/654 constraints. Problems are: Problem set: 9 solved, 413 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/594 variables, 413/1067 constraints. Problems are: Problem set: 9 solved, 413 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 594/595 variables, and 1067 constraints, problems are : Problem set: 9 solved, 413 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 413/422 constraints, Known Traps: 80/80 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60087ms problems are : Problem set: 9 solved, 413 unsolved
Search for dead transitions found 9 dead transitions in 60089ms
Found 9 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 9 transitions
Dead transitions reduction (with SMT) removed 9 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 163/163 places, 423/432 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 156 transition count 409
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 156 transition count 409
Applied a total of 14 rules in 6 ms. Remains 156 /163 variables (removed 7) and now considering 409/423 (removed 14) transitions.
// Phase 1: matrix 409 rows 156 cols
[2026-05-22 21:59:22] [INFO ] Computed 12 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:59:23] [INFO ] Implicit Places using invariants in 235 ms returned []
[2026-05-22 21:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:59:23] [INFO ] State equation strengthened by 384 read => feed constraints.
[2026-05-22 21:59:24] [INFO ] Implicit Places using invariants and state equation in 1382 ms returned []
Implicit Place search using SMT with State Equation took 1618 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 156/163 places, 409/432 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 63279 ms. Remains : 156/163 places, 409/432 transitions.
[2026-05-22 21:59:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20215 resets) in 2233 ms. (447 steps per ms)
BEST_FIRST walk for 1000001 steps (1989 resets) in 538 ms. (1855 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 21:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:59:27] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 21:59:27] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:59:27] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2026-05-22 21:59:27] [INFO ] State equation strengthened by 384 read => feed constraints.
[2026-05-22 21:59:27] [INFO ] [Real]Added 384 Read/Feed constraints in 36 ms returned sat
[2026-05-22 21:59:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 21:59:27] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 21:59:27] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 21:59:27] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2026-05-22 21:59:27] [INFO ] [Nat]Added 384 Read/Feed constraints in 100 ms returned sat
[2026-05-22 21:59:27] [INFO ] Computed and/alt/rep : 281/804/281 causal constraints (skipped 118 transitions) in 19 ms.
[2026-05-22 21:59:27] [INFO ] Added : 14 causal constraints over 3 iterations in 144 ms. Result :sat
Minimization took 439 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 409/409 transitions.
Applied a total of 0 rules in 4 ms. Remains 156 /156 variables (removed 0) and now considering 409/409 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 156/156 places, 409/409 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 409/409 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 409/409 (removed 0) transitions.
[2026-05-22 21:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:59:28] [INFO ] Implicit Places using invariants in 223 ms returned []
[2026-05-22 21:59:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 21:59:28] [INFO ] State equation strengthened by 384 read => feed constraints.
[2026-05-22 21:59:29] [INFO ] Implicit Places using invariants and state equation in 1395 ms returned []
Implicit Place search using SMT with State Equation took 1620 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 21:59:29] [INFO ] Redundant transitions in 5 ms returned []
Running 399 sub problems to find dead transitions.
[2026-05-22 21:59:29] [INFO ] Invariant cache hit.
[2026-05-22 21:59:29] [INFO ] State equation strengthened by 384 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 13 places in 70 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 2 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:31] [INFO ] Deduced a trap composed of 2 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 13 places in 59 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 13 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 13 places in 52 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:32] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 7 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 13 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 13 places in 72 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 13 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:33] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:35] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:35] [INFO ] Deduced a trap composed of 15 places in 74 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:35] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:35] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:35] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:37] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:37] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:38] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:38] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:39] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:39] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:39] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:39] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:39] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:39] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:40] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:41] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:41] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:41] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:41] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:42] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:43] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:43] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:43] [INFO ] Deduced a trap composed of 13 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:43] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:43] [INFO ] Deduced a trap composed of 13 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:43] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 16 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:44] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:46] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:46] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:47] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:48] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:48] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:49] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:50] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:50] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:50] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:50] [INFO ] Deduced a trap composed of 13 places in 51 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:54] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 21:59:54] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 155/565 variables, and 104 constraints, problems are : Problem set: 0 solved, 399 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/156 constraints, ReadFeed: 0/384 constraints, PredecessorRefiner: 399/399 constraints, Known Traps: 92/92 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 92/104 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 13 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:03] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:04] [INFO ] Deduced a trap composed of 15 places in 72 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:04] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:04] [INFO ] Deduced a trap composed of 17 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:04] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:05] [INFO ] Deduced a trap composed of 2 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:05] [INFO ] Deduced a trap composed of 2 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:05] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:05] [INFO ] Deduced a trap composed of 2 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:05] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 14/118 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:08] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:08] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:08] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:08] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:10] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 5/123 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:14] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 7 (OVERLAPS) 409/564 variables, 155/279 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/564 variables, 384/663 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 564/565 variables, and 1062 constraints, problems are : Problem set: 0 solved, 399 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 155/156 constraints, ReadFeed: 384/384 constraints, PredecessorRefiner: 399/399 constraints, Known Traps: 112/112 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60124ms problems are : Problem set: 0 solved, 399 unsolved
Search for dead transitions found 0 dead transitions in 60126ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61767 ms. Remains : 156/156 places, 409/409 transitions.
[2026-05-22 22:00:29] [INFO ] Flatten gal took : 10 ms
[2026-05-22 22:00:29] [INFO ] Flatten gal took : 19 ms
[2026-05-22 22:00:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3760966071511037567.gal : 2 ms
[2026-05-22 22:00:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17501956095798201852.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3760966071511037567.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17501956095798201852.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
RANDOM walk for 40000 steps (808 resets) in 161 ms. (246 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (74 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality17501956095798201852.prop.
BEST_FIRST walk for 40003 steps (75 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 702
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :702 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3056
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3056 after 3311
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3311 after 16130
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16130 after 41495
Interrupted probabilistic random walk after 1092503 steps, run timeout after 3001 ms. (steps per millisecond=364 ) properties seen :0 out of 2
Probabilistic random walk after 1092503 steps, saw 143006 distinct states, run finished after 3001 ms. (steps per millisecond=364 ) properties seen :0
[2026-05-22 22:00:33] [INFO ] Invariant cache hit.
[2026-05-22 22:00:33] [INFO ] State equation strengthened by 384 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 133/134 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 2 places in 32 ms of which 3 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/134 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/152 variables, 9/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/154 variables, 2/13 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 15 places in 98 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:33] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/154 variables, 8/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :41495 after 262096
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 409/563 variables, 154/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/563 variables, 384/559 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/563 variables, 0/559 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/565 variables, 2/561 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/565 variables, 0/561 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/565 variables, 0/561 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 565/565 variables, and 561 constraints, problems are : Problem set: 1 solved, 1 unsolved in 856 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 156/156 constraints, ReadFeed: 384/384 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 133/134 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/134 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/152 variables, 9/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 1/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/154 variables, 2/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 7/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 0/21 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 409/563 variables, 154/175 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/563 variables, 384/559 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/563 variables, 1/560 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/563 variables, 0/560 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/565 variables, 2/562 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/565 variables, 0/562 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/565 variables, 0/562 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 565/565 variables, and 562 constraints, problems are : Problem set: 1 solved, 1 unsolved in 254 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 156/156 constraints, ReadFeed: 384/384 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1117ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 1 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 409/409 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 409/409 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 156/156 places, 409/409 transitions.
RANDOM walk for 40000 steps (799 resets) in 144 ms. (275 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (77 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1356449 steps, run timeout after 3001 ms. (steps per millisecond=451 ) properties seen :0 out of 1
Probabilistic random walk after 1356449 steps, saw 178121 distinct states, run finished after 3001 ms. (steps per millisecond=451 ) properties seen :0
[2026-05-22 22:00:37] [INFO ] Invariant cache hit.
[2026-05-22 22:00:37] [INFO ] State equation strengthened by 384 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 133/134 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 2 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 2 places in 28 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/134 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/152 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/154 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 15 places in 96 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 13 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 13 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 13 places in 85 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 13 places in 82 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:37] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/154 variables, 6/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 409/563 variables, 154/174 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/563 variables, 384/558 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/563 variables, 0/558 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/565 variables, 2/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/565 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/565 variables, 0/560 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 565/565 variables, and 560 constraints, problems are : Problem set: 0 solved, 1 unsolved in 813 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 156/156 constraints, ReadFeed: 384/384 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 133/134 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/134 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/134 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/152 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/152 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/152 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/154 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 2 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 2 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 2 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 2 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 15 places in 81 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 13 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 15 places in 85 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:38] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:39] [INFO ] Deduced a trap composed of 15 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:39] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:39] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:39] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 15/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/154 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 409/563 variables, 154/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/563 variables, 384/573 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/563 variables, 1/574 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/563 variables, 0/574 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 2/565 variables, 2/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/565 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/565 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 565/565 variables, and 576 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1364 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 156/156 constraints, ReadFeed: 384/384 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 5 ms.
Support contains 1 out of 156 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 409/409 transitions.
Applied a total of 0 rules in 4 ms. Remains 156 /156 variables (removed 0) and now considering 409/409 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 156/156 places, 409/409 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 156/156 places, 409/409 transitions.
Applied a total of 0 rules in 3 ms. Remains 156 /156 variables (removed 0) and now considering 409/409 (removed 0) transitions.
[2026-05-22 22:00:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:00:39] [INFO ] Implicit Places using invariants in 219 ms returned []
[2026-05-22 22:00:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:00:39] [INFO ] State equation strengthened by 384 read => feed constraints.
[2026-05-22 22:00:41] [INFO ] Implicit Places using invariants and state equation in 1365 ms returned []
Implicit Place search using SMT with State Equation took 1585 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 22:00:41] [INFO ] Redundant transitions in 5 ms returned []
Running 399 sub problems to find dead transitions.
[2026-05-22 22:00:41] [INFO ] Invariant cache hit.
[2026-05-22 22:00:41] [INFO ] State equation strengthened by 384 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 13 places in 57 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:42] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 2 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 2 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 13 places in 73 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 13 places in 58 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 13 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 13 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 13 places in 54 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
[2026-05-22 22:00:43] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 6 ms to minimize.
SDD size :262096 after 2.00072e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 13 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 13 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 13 places in 53 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:44] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:45] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:45] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:45] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:45] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:45] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:46] [INFO ] Deduced a trap composed of 15 places in 69 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:46] [INFO ] Deduced a trap composed of 15 places in 68 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:46] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:46] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:46] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:49] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:49] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:49] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:49] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:50] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:50] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:50] [INFO ] Deduced a trap composed of 13 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 61 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:51] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 5 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:53] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:53] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:53] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:53] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:53] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:54] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:54] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:54] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:54] [INFO ] Deduced a trap composed of 13 places in 28 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:54] [INFO ] Deduced a trap composed of 13 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:55] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 5 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:57] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:57] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:00:59] [INFO ] Deduced a trap composed of 13 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:00] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:00] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:00] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:01] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:01] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:01] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:01] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:06] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:06] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :2.00072e+06 after 5.49518e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/155 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 155/565 variables, and 104 constraints, problems are : Problem set: 0 solved, 399 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 0/156 constraints, ReadFeed: 0/384 constraints, PredecessorRefiner: 399/399 constraints, Known Traps: 92/92 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/155 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/155 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/155 variables, 92/104 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:14] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:14] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:14] [INFO ] Deduced a trap composed of 13 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:14] [INFO ] Deduced a trap composed of 13 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:14] [INFO ] Deduced a trap composed of 13 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:15] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:15] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:15] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:15] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:16] [INFO ] Deduced a trap composed of 2 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:16] [INFO ] Deduced a trap composed of 2 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:16] [INFO ] Deduced a trap composed of 2 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:16] [INFO ] Deduced a trap composed of 2 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:16] [INFO ] Deduced a trap composed of 13 places in 34 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 14/118 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:19] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:19] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:19] [INFO ] Deduced a trap composed of 13 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:19] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 2 ms to minimize.
Detected timeout of ITS tools.
[2026-05-22 22:01:20] [INFO ] Flatten gal took : 9 ms
[2026-05-22 22:01:20] [INFO ] Applying decomposition
[2026-05-22 22:01:20] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12414558336613060381.txt' '-o' '/tmp/graph12414558336613060381.bin' '-w' '/tmp/graph12414558336613060381.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12414558336613060381.bin' '-l' '-1' '-v' '-w' '/tmp/graph12414558336613060381.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:01:20] [INFO ] Decomposing Gal with order
[2026-05-22 22:01:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:01:20] [INFO ] Removed a total of 315 redundant transitions.
[2026-05-22 22:01:20] [INFO ] Flatten gal took : 18 ms
[2026-05-22 22:01:20] [INFO ] Fuse similar labels procedure discarded/fused a total of 252 labels/synchronizations in 4 ms.
[2026-05-22 22:01:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13998336676849384051.gal : 3 ms
[2026-05-22 22:01:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18064305337861282796.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13998336676849384051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18064305337861282796.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality18064305337861282796.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 14
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 42
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :42 after 1936
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1936 after 237449
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :237449 after 2.13406e+06
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:21] [INFO ] Deduced a trap composed of 2 places in 73 ms of which 4 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2.13406e+06 after 9.01452e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 5/123 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:25] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/155 variables, 1/124 constraints. Problems are: Problem set: 0 solved, 399 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :9.01452e+06 after 8.22412e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/155 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 7 (OVERLAPS) 409/564 variables, 155/279 constraints. Problems are: Problem set: 0 solved, 399 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/564 variables, 384/663 constraints. Problems are: Problem set: 0 solved, 399 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 564/565 variables, and 1062 constraints, problems are : Problem set: 0 solved, 399 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 155/156 constraints, ReadFeed: 384/384 constraints, PredecessorRefiner: 399/399 constraints, Known Traps: 112/112 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60087ms problems are : Problem set: 0 solved, 399 unsolved
Search for dead transitions found 0 dead transitions in 60087ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61691 ms. Remains : 156/156 places, 409/409 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 363 edges and 156 vertex of which 111 / 156 are part of one of the 2 SCC in 1 ms
Free SCC test removed 109 places
Drop transitions (Empty/Sink Transition effects.) removed 274 transitions
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 360 transitions.
Graph (complete) has 111 edges and 47 vertex of which 15 are kept as prefixes of interest. Removing 32 places using SCC suffix rule.0 ms
Discarding 32 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 transitions
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 0 with 21 rules applied. Total rules applied 23 place count 15 transition count 18
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 32 place count 6 transition count 9
Iterating global reduction 1 with 9 rules applied. Total rules applied 41 place count 6 transition count 9
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 43 place count 5 transition count 8
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 44 place count 4 transition count 7
Applied a total of 44 rules in 3 ms. Remains 4 /156 variables (removed 152) and now considering 7/409 (removed 402) transitions.
Running SMT prover for 1 properties.
[2026-05-22 22:01:41] [INFO ] Flow matrix only has 6 transitions (discarded 1 similar events)
// Phase 1: matrix 6 rows 4 cols
[2026-05-22 22:01:41] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:01:41] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:01:41] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:01:41] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:01:41] [INFO ] After 25ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:01:41] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:01:41] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:01:41] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5017272378529285364.gal : 1 ms
[2026-05-22 22:01:41] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9134861799895788200.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5017272378529285364.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9134861799895788200.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality9134861799895788200.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,12,0.002277,4008,2,14,6,66,6,0,24,47,0
Total reachable state count : 12

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,0.002564,4136,2,5,6,66,7,0,27,47,0
Over-approximation ignoring read arcs solved 0 properties in 62 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-10 in 204594 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 22:01:41] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (200 resets) in 26 ms. (370 steps per ms)
BEST_FIRST walk for 10001 steps (18 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 22:01:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:01:41] [INFO ] [Real]Absence check using 10 positive place invariants in 4 ms returned sat
[2026-05-22 22:01:41] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:01:41] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2026-05-22 22:01:41] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 22:01:41] [INFO ] [Real]Added 386 Read/Feed constraints in 27 ms returned sat
[2026-05-22 22:01:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:01:41] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 22:01:41] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:01:41] [INFO ] [Nat]Absence check using state equation in 63 ms returned sat
[2026-05-22 22:01:41] [INFO ] [Nat]Added 386 Read/Feed constraints in 44 ms returned sat
[2026-05-22 22:01:41] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 18 ms.
[2026-05-22 22:01:41] [INFO ] Added : 9 causal constraints over 2 iterations in 87 ms. Result :sat
Minimization took 384 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 164 transition count 433
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 164 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 163 transition count 432
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 16 place count 163 transition count 432
Applied a total of 16 rules in 13 ms. Remains 163 /168 variables (removed 5) and now considering 432/437 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 163/168 places, 432/437 transitions.
// Phase 1: matrix 432 rows 163 cols
[2026-05-22 22:01:42] [INFO ] Computed 12 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20091 resets) in 2157 ms. (463 steps per ms)
BEST_FIRST walk for 1000001 steps (1971 resets) in 511 ms. (1953 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 22:01:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:01:44] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 22:01:44] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:01:44] [INFO ] [Real]Absence check using state equation in 64 ms returned sat
[2026-05-22 22:01:44] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 22:01:44] [INFO ] [Real]Added 400 Read/Feed constraints in 30 ms returned sat
[2026-05-22 22:01:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:01:44] [INFO ] [Nat]Absence check using 10 positive place invariants in 5 ms returned sat
[2026-05-22 22:01:44] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:01:44] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2026-05-22 22:01:45] [INFO ] [Nat]Added 400 Read/Feed constraints in 38 ms returned sat
[2026-05-22 22:01:45] [INFO ] Computed and/alt/rep : 280/743/280 causal constraints (skipped 142 transitions) in 20 ms.
[2026-05-22 22:01:45] [INFO ] Added : 6 causal constraints over 2 iterations in 87 ms. Result :sat
Minimization took 326 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 4 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 22:01:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:01:45] [INFO ] Implicit Places using invariants in 235 ms returned []
[2026-05-22 22:01:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:01:45] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 22:01:47] [INFO ] Implicit Places using invariants and state equation in 1877 ms returned []
Implicit Place search using SMT with State Equation took 2113 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 22:01:47] [INFO ] Redundant transitions in 7 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 22:01:47] [INFO ] Invariant cache hit.
[2026-05-22 22:01:47] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 2 places in 59 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 14 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 14 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:49] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:50] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:51] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:53] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:53] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:53] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:53] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 2 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 2 places in 62 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 2 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 2 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 14 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 16 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 16 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:55] [INFO ] Deduced a trap composed of 15 places in 70 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:56] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:56] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:56] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:56] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:56] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:57] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:58] [INFO ] Deduced a trap composed of 16 places in 55 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:59] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:01:59] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:00] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:00] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:00] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:00] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 6 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:01] [INFO ] Deduced a trap composed of 15 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:01] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:01] [INFO ] Deduced a trap composed of 16 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:01] [INFO ] Deduced a trap composed of 16 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:02] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 5/97 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:06] [INFO ] Deduced a trap composed of 17 places in 35 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 9 (OVERLAPS) 432/594 variables, 162/260 constraints. Problems are: Problem set: 0 solved, 422 unsolved
SMT process timed out in 30057ms, After SMT, problems are : Problem set: 0 solved, 422 unsolved
Search for dead transitions found 0 dead transitions in 30058ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32190 ms. Remains : 163/163 places, 432/432 transitions.
[2026-05-22 22:02:17] [INFO ] Flatten gal took : 33 ms
[2026-05-22 22:02:17] [INFO ] Flatten gal took : 7 ms
[2026-05-22 22:02:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13372791124553743255.gal : 1 ms
[2026-05-22 22:02:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16046737743226393936.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13372791124553743255.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16046737743226393936.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (804 resets) in 185 ms. (215 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality16046737743226393936.prop.
BEST_FIRST walk for 40004 steps (81 resets) in 42 ms. (930 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (75 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 125
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :125 after 177
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :177 after 820
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :820 after 929
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :929 after 2808
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2808 after 3214
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :3214 after 8545
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8545 after 23491
Interrupted probabilistic random walk after 1063635 steps, run timeout after 3001 ms. (steps per millisecond=354 ) properties seen :0 out of 2
Probabilistic random walk after 1063635 steps, saw 139934 distinct states, run finished after 3001 ms. (steps per millisecond=354 ) properties seen :0
[2026-05-22 22:02:20] [INFO ] Invariant cache hit.
[2026-05-22 22:02:20] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 140/141 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:20] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 3 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:20] [INFO ] Deduced a trap composed of 2 places in 26 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/159 variables, 9/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/161 variables, 2/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:20] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 0/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 432/593 variables, 161/176 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/593 variables, 400/576 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/593 variables, 0/576 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 2/595 variables, 2/578 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/595 variables, 0/578 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/595 variables, 0/578 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 595/595 variables, and 578 constraints, problems are : Problem set: 1 solved, 1 unsolved in 389 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 163/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 140/141 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 2/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/159 variables, 9/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/161 variables, 2/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 1/15 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:21] [INFO ] Deduced a trap composed of 14 places in 80 ms of which 8 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 1/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/161 variables, 0/16 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 432/593 variables, 161/177 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/593 variables, 400/577 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/593 variables, 1/578 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :23491 after 156198
At refinement iteration 13 (INCLUDED_ONLY) 0/593 variables, 0/578 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/595 variables, 2/580 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/595 variables, 0/580 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/595 variables, 0/580 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 595/595 variables, and 580 constraints, problems are : Problem set: 1 solved, 1 unsolved in 394 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 163/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 806ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 163/163 places, 432/432 transitions.
RANDOM walk for 40000 steps (795 resets) in 154 ms. (258 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (76 resets) in 39 ms. (1000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1321822 steps, run timeout after 3001 ms. (steps per millisecond=440 ) properties seen :0 out of 1
Probabilistic random walk after 1321822 steps, saw 173533 distinct states, run finished after 3001 ms. (steps per millisecond=440 ) properties seen :0
[2026-05-22 22:02:24] [INFO ] Invariant cache hit.
[2026-05-22 22:02:24] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 140/141 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:24] [INFO ] Deduced a trap composed of 2 places in 23 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:24] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/159 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/161 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:24] [INFO ] Deduced a trap composed of 15 places in 99 ms of which 10 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 432/593 variables, 161/176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/593 variables, 400/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/593 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 2/595 variables, 2/578 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/595 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/595 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 595/595 variables, and 578 constraints, problems are : Problem set: 0 solved, 1 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 163/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 140/141 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 18/159 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/159 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/161 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/161 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:25] [INFO ] Deduced a trap composed of 15 places in 83 ms of which 9 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/161 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/161 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 432/593 variables, 161/177 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/593 variables, 400/577 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/593 variables, 1/578 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/593 variables, 0/578 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 2/595 variables, 2/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/595 variables, 0/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/595 variables, 0/580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 595/595 variables, and 580 constraints, problems are : Problem set: 0 solved, 1 unsolved in 388 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 163/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 771ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 22:02:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:02:25] [INFO ] Implicit Places using invariants in 246 ms returned []
[2026-05-22 22:02:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:02:25] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 22:02:27] [INFO ] Implicit Places using invariants and state equation in 1906 ms returned []
Implicit Place search using SMT with State Equation took 2172 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 22:02:27] [INFO ] Redundant transitions in 3 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 22:02:27] [INFO ] Invariant cache hit.
[2026-05-22 22:02:27] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 2 places in 73 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 2 places in 61 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:29] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 14 places in 60 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 14 places in 59 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:30] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 1 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 32768
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :156198 after 1.44932e+06
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 15 places in 66 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 16 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:31] [INFO ] Deduced a trap composed of 16 places in 59 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:32] [INFO ] Deduced a trap composed of 15 places in 62 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:32] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:33] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:33] [INFO ] Deduced a trap composed of 15 places in 67 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:33] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:33] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 2 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 2 places in 68 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 2 places in 71 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 2 places in 96 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 14 places in 78 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 16 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:35] [INFO ] Deduced a trap composed of 16 places in 73 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 14 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 15 places in 76 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 15 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 15 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:36] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:38] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:39] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:39] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:39] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:39] [INFO ] Deduced a trap composed of 16 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:39] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:39] [INFO ] Deduced a trap composed of 15 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 16 places in 69 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:41] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:43] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 2 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :1.44932e+06 after 3.52991e+06
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 5/97 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:02:47] [INFO ] Deduced a trap composed of 17 places in 28 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 9 (OVERLAPS) 432/594 variables, 162/260 constraints. Problems are: Problem set: 0 solved, 422 unsolved
SMT process timed out in 30065ms, After SMT, problems are : Problem set: 0 solved, 422 unsolved
Search for dead transitions found 0 dead transitions in 30066ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32250 ms. Remains : 163/163 places, 432/432 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 369 edges and 163 vertex of which 119 / 163 are part of one of the 2 SCC in 1 ms
Free SCC test removed 117 places
Drop transitions (Empty/Sink Transition effects.) removed 281 transitions
Ensure Unique test removed 102 transitions
Reduce isomorphic transitions removed 383 transitions.
Graph (complete) has 111 edges and 46 vertex of which 15 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.0 ms
Discarding 31 places :
Also discarding 9 output transitions
Drop transitions (Output transitions of discarded places.) removed 9 transitions
Drop transitions (Empty/Sink Transition effects.) removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 22 rules applied. Total rules applied 24 place count 15 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 25 place count 14 transition count 18
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 33 place count 6 transition count 10
Iterating global reduction 2 with 8 rules applied. Total rules applied 41 place count 6 transition count 10
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 43 place count 6 transition count 8
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 44 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 46 place count 5 transition count 6
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 47 place count 4 transition count 5
Applied a total of 47 rules in 6 ms. Remains 4 /163 variables (removed 159) and now considering 5/432 (removed 427) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 5 rows 4 cols
[2026-05-22 22:02:57] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:02:57] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:02:57] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:02:57] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:02:57] [INFO ] After 29ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:02:57] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:02:57] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:02:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11645729673059160617.gal : 0 ms
[2026-05-22 22:02:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12945234133052934268.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11645729673059160617.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12945234133052934268.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality12945234133052934268.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6,0.002509,3880,2,7,6,33,6,0,21,18,0
Total reachable state count : 6

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1,0.002783,4136,2,5,6,33,7,0,24,18,0
Over-approximation ignoring read arcs solved 0 properties in 89 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-22 22:02:57] [INFO ] Flatten gal took : 10 ms
[2026-05-22 22:02:57] [INFO ] Applying decomposition
[2026-05-22 22:02:57] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph333863592166053228.txt' '-o' '/tmp/graph333863592166053228.bin' '-w' '/tmp/graph333863592166053228.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph333863592166053228.bin' '-l' '-1' '-v' '-w' '/tmp/graph333863592166053228.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:02:57] [INFO ] Decomposing Gal with order
[2026-05-22 22:02:57] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:02:57] [INFO ] Removed a total of 330 redundant transitions.
[2026-05-22 22:02:57] [INFO ] Flatten gal took : 17 ms
[2026-05-22 22:02:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 306 labels/synchronizations in 6 ms.
[2026-05-22 22:02:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1607290137600311306.gal : 3 ms
[2026-05-22 22:02:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5587237087565236152.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1607290137600311306.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5587237087565236152.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5587237087565236152.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 23
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :23 after 26
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :26 after 26
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :26 after 27
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :27 after 299
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :299 after 3585
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3585 after 32620
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :32620 after 1.02055e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.02055e+06 after 1.35023e+08
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[10]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-11 in 126814 ms.
Starting property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[10]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[10]
// Phase 1: matrix 437 rows 168 cols
[2026-05-22 22:03:48] [INFO ] Computed 12 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[10]
RANDOM walk for 10000 steps (195 resets) in 24 ms. (400 steps per ms)
BEST_FIRST walk for 10001 steps (21 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 22:03:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:03:48] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 22:03:48] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-22 22:03:48] [INFO ] [Real]Absence check using state equation in 65 ms returned sat
[2026-05-22 22:03:48] [INFO ] State equation strengthened by 386 read => feed constraints.
[2026-05-22 22:03:48] [INFO ] [Real]Added 386 Read/Feed constraints in 29 ms returned sat
[2026-05-22 22:03:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:03:48] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 22:03:48] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:03:48] [INFO ] [Nat]Absence check using state equation in 66 ms returned sat
[2026-05-22 22:03:48] [INFO ] [Nat]Added 386 Read/Feed constraints in 34 ms returned sat
[2026-05-22 22:03:48] [INFO ] Computed and/alt/rep : 286/723/286 causal constraints (skipped 141 transitions) in 20 ms.
[2026-05-22 22:03:48] [INFO ] Added : 6 causal constraints over 2 iterations in 105 ms. Result :sat
Minimization took 289 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 168 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 168/168 places, 437/437 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 164 transition count 433
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 9 place count 164 transition count 432
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 10 place count 163 transition count 432
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 16 place count 163 transition count 432
Applied a total of 16 rules in 16 ms. Remains 163 /168 variables (removed 5) and now considering 432/437 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 163/168 places, 432/437 transitions.
// Phase 1: matrix 432 rows 163 cols
[2026-05-22 22:03:48] [INFO ] Computed 12 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (20102 resets) in 2148 ms. (465 steps per ms)
BEST_FIRST walk for 1000001 steps (1955 resets) in 506 ms. (1972 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 22:03:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:03:51] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 22:03:51] [INFO ] [Real]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:03:51] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2026-05-22 22:03:51] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 22:03:51] [INFO ] [Real]Added 400 Read/Feed constraints in 30 ms returned sat
[2026-05-22 22:03:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:03:51] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2026-05-22 22:03:51] [INFO ] [Nat]Absence check using 10 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-22 22:03:51] [INFO ] [Nat]Absence check using state equation in 62 ms returned sat
[2026-05-22 22:03:51] [INFO ] [Nat]Added 400 Read/Feed constraints in 31 ms returned sat
[2026-05-22 22:03:51] [INFO ] Computed and/alt/rep : 280/743/280 causal constraints (skipped 142 transitions) in 18 ms.
[2026-05-22 22:03:51] [INFO ] Added : 6 causal constraints over 2 iterations in 101 ms. Result :sat
Minimization took 383 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 163 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 163/163 places, 432/432 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 163/163 places, 432/432 transitions.
Applied a total of 0 rules in 3 ms. Remains 163 /163 variables (removed 0) and now considering 432/432 (removed 0) transitions.
[2026-05-22 22:03:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:03:52] [INFO ] Implicit Places using invariants in 246 ms returned []
[2026-05-22 22:03:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:03:52] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-22 22:03:54] [INFO ] Implicit Places using invariants and state equation in 1557 ms returned []
Implicit Place search using SMT with State Equation took 1804 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 22:03:54] [INFO ] Redundant transitions in 6 ms returned []
Running 422 sub problems to find dead transitions.
[2026-05-22 22:03:54] [INFO ] Invariant cache hit.
[2026-05-22 22:03:54] [INFO ] State equation strengthened by 400 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:55] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:55] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:55] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:55] [INFO ] Deduced a trap composed of 15 places in 35 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 16 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 49 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 56 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 2 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 14 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 6 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 20/32 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:56] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 14 places in 66 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 14 places in 71 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 57 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 14 places in 64 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:57] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:58] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:59] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:59] [INFO ] Deduced a trap composed of 15 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:59] [INFO ] Deduced a trap composed of 15 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:59] [INFO ] Deduced a trap composed of 15 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:03:59] [INFO ] Deduced a trap composed of 15 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:00] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:00] [INFO ] Deduced a trap composed of 14 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:00] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:00] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:02] [INFO ] Deduced a trap composed of 15 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:02] [INFO ] Deduced a trap composed of 15 places in 64 ms of which 6 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 11/63 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:03] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:03] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:03] [INFO ] Deduced a trap composed of 16 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:03] [INFO ] Deduced a trap composed of 17 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:03] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:03] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 16 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/162 variables, 20/83 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:04] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:05] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:05] [INFO ] Deduced a trap composed of 16 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:07] [INFO ] Deduced a trap composed of 16 places in 54 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:07] [INFO ] Deduced a trap composed of 15 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:07] [INFO ] Deduced a trap composed of 15 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:07] [INFO ] Deduced a trap composed of 15 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:07] [INFO ] Deduced a trap composed of 15 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:08] [INFO ] Deduced a trap composed of 16 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:08] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:08] [INFO ] Deduced a trap composed of 16 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:08] [INFO ] Deduced a trap composed of 16 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:08] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:08] [INFO ] Deduced a trap composed of 14 places in 52 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/162 variables, 14/97 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:10] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/162 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:14] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/162 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/162 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 10 (OVERLAPS) 432/594 variables, 162/261 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/594 variables, 400/661 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 594/595 variables, and 661 constraints, problems are : Problem set: 0 solved, 422 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 422/422 constraints, Known Traps: 87/87 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/162 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/162 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/162 variables, 87/99 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:04:28] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/162 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 422 unsolved
At refinement iteration 5 (OVERLAPS) 432/594 variables, 162/262 constraints. Problems are: Problem set: 0 solved, 422 unsolved
Problem TDEAD142 is UNSAT
Problem TDEAD308 is UNSAT
Problem TDEAD317 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD336 is UNSAT
Problem TDEAD347 is UNSAT
Problem TDEAD357 is UNSAT
Problem TDEAD368 is UNSAT
Problem TDEAD403 is UNSAT
Problem TDEAD412 is UNSAT
Problem TDEAD429 is UNSAT
At refinement iteration 6 (INCLUDED_ONLY) 0/594 variables, 400/662 constraints. Problems are: Problem set: 11 solved, 411 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/594 variables, 411/1073 constraints. Problems are: Problem set: 11 solved, 411 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 594/595 variables, and 1073 constraints, problems are : Problem set: 11 solved, 411 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 162/163 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 411/422 constraints, Known Traps: 88/88 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60085ms problems are : Problem set: 11 solved, 411 unsolved
Search for dead transitions found 11 dead transitions in 60086ms
Found 11 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 11 transitions
Dead transitions reduction (with SMT) removed 11 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 163/163 places, 421/432 transitions.
Graph (complete) has 732 edges and 163 vertex of which 162 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 9 place count 154 transition count 405
Iterating global reduction 0 with 8 rules applied. Total rules applied 17 place count 154 transition count 405
Applied a total of 17 rules in 5 ms. Remains 154 /163 variables (removed 9) and now considering 405/421 (removed 16) transitions.
// Phase 1: matrix 405 rows 154 cols
[2026-05-22 22:04:54] [INFO ] Computed 12 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:04:54] [INFO ] Implicit Places using invariants in 96 ms returned [60]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 97 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 153/163 places, 405/432 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 152 transition count 412
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 10 place count 152 transition count 404
Applied a total of 10 rules in 10 ms. Remains 152 /153 variables (removed 1) and now considering 404/405 (removed 1) transitions.
// Phase 1: matrix 404 rows 152 cols
[2026-05-22 22:04:54] [INFO ] Computed 11 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:04:54] [INFO ] Implicit Places using invariants in 82 ms returned []
[2026-05-22 22:04:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:04:54] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 22:04:56] [INFO ] Implicit Places using invariants and state equation in 2106 ms returned []
Implicit Place search using SMT with State Equation took 2190 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 152/163 places, 404/432 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 64215 ms. Remains : 152/163 places, 404/432 transitions.
[2026-05-22 22:04:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[10]
RANDOM walk for 1000000 steps (22139 resets) in 2146 ms. (465 steps per ms)
BEST_FIRST walk for 1000000 steps (2099 resets) in 476 ms. (2096 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[10]
[2026-05-22 22:04:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:04:59] [INFO ] [Real]Absence check using 11 positive place invariants in 2 ms returned sat
[2026-05-22 22:04:59] [INFO ] [Real]Absence check using state equation in 59 ms returned sat
[2026-05-22 22:04:59] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 22:04:59] [INFO ] [Real]Added 372 Read/Feed constraints in 28 ms returned sat
[2026-05-22 22:04:59] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:04:59] [INFO ] [Nat]Absence check using 11 positive place invariants in 2 ms returned sat
[2026-05-22 22:04:59] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2026-05-22 22:04:59] [INFO ] [Nat]Added 372 Read/Feed constraints in 47 ms returned sat
[2026-05-22 22:04:59] [INFO ] Computed and/alt/rep : 252/673/252 causal constraints (skipped 142 transitions) in 15 ms.
[2026-05-22 22:04:59] [INFO ] Added : 8 causal constraints over 2 iterations in 89 ms. Result :sat
Minimization took 211 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[10]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[10]
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 22:04:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:04:59] [INFO ] Implicit Places using invariants in 84 ms returned []
[2026-05-22 22:04:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:04:59] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 22:05:01] [INFO ] Implicit Places using invariants and state equation in 2089 ms returned []
Implicit Place search using SMT with State Equation took 2174 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 22:05:01] [INFO ] Redundant transitions in 8 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 22:05:01] [INFO ] Invariant cache hit.
[2026-05-22 22:05:01] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:03] [INFO ] Deduced a trap composed of 2 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:03] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:03] [INFO ] Deduced a trap composed of 12 places in 22 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:03] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 3 (OVERLAPS) 404/555 variables, 151/166 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/555 variables, 372/538 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/555 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SMT process timed out in 30054ms, After SMT, problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 30056ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32246 ms. Remains : 152/152 places, 404/404 transitions.
[2026-05-22 22:05:31] [INFO ] Flatten gal took : 8 ms
[2026-05-22 22:05:32] [INFO ] Flatten gal took : 7 ms
[2026-05-22 22:05:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14828142354615146846.gal : 2 ms
[2026-05-22 22:05:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10919989275168421577.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14828142354615146846.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10919989275168421577.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
RANDOM walk for 40000 steps (890 resets) in 162 ms. (245 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality10919989275168421577.prop.
BEST_FIRST walk for 40004 steps (78 resets) in 34 ms. (1142 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (82 resets) in 63 ms. (625 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 14
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :14 after 15
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :15 after 18
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :18 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 138
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :138 after 744
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :744 after 917
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :917 after 941
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :941 after 3062
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3062 after 7764
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7764 after 16220
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :16220 after 41960
Interrupted probabilistic random walk after 1027524 steps, run timeout after 3001 ms. (steps per millisecond=342 ) properties seen :0 out of 2
Probabilistic random walk after 1027524 steps, saw 132929 distinct states, run finished after 3001 ms. (steps per millisecond=342 ) properties seen :0
[2026-05-22 22:05:35] [INFO ] Invariant cache hit.
[2026-05-22 22:05:35] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 34/39 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 147/186 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 115/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 28/214 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 9/223 variables, 9/163 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 9/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 278/501 variables, 57/229 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/501 variables, 251/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/501 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 17 (OVERLAPS) 55/556 variables, 49/529 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 6/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 1 solved, 1 unsolved in 281 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/39 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/186 variables, 29/34 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 115/149 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 0/149 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/214 variables, 2/151 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 0/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/223 variables, 9/163 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 9/172 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 1/173 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/223 variables, 0/173 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 278/501 variables, 57/230 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/501 variables, 251/481 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/501 variables, 0/481 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 55/556 variables, 49/530 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 6/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 1 solved, 1 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 542ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
RANDOM walk for 40000 steps (879 resets) in 184 ms. (216 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (80 resets) in 37 ms. (1052 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :41960 after 275913
Interrupted probabilistic random walk after 1347237 steps, run timeout after 3001 ms. (steps per millisecond=448 ) properties seen :0 out of 1
Probabilistic random walk after 1347237 steps, saw 169408 distinct states, run finished after 3001 ms. (steps per millisecond=448 ) properties seen :0
[2026-05-22 22:05:38] [INFO ] Invariant cache hit.
[2026-05-22 22:05:38] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/39 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/186 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 115/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/214 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/223 variables, 9/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 9/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 278/501 variables, 57/229 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/501 variables, 251/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/501 variables, 0/480 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 55/556 variables, 49/529 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/556 variables, 6/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/556 variables, 0/535 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 556/556 variables, and 535 constraints, problems are : Problem set: 0 solved, 1 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/39 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/39 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 147/186 variables, 29/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 115/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/186 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 28/214 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/214 variables, 3/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/214 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 9/223 variables, 9/163 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/223 variables, 9/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/223 variables, 1/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/223 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 278/501 variables, 57/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/501 variables, 251/481 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/501 variables, 0/481 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 55/556 variables, 49/530 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/556 variables, 6/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/556 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 556/556 variables, and 536 constraints, problems are : Problem set: 0 solved, 1 unsolved in 255 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 152/152 constraints, ReadFeed: 372/372 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 480ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 4 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 152/152 places, 404/404 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 152/152 places, 404/404 transitions.
Applied a total of 0 rules in 3 ms. Remains 152 /152 variables (removed 0) and now considering 404/404 (removed 0) transitions.
[2026-05-22 22:05:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:05:39] [INFO ] Implicit Places using invariants in 87 ms returned []
[2026-05-22 22:05:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:05:39] [INFO ] State equation strengthened by 372 read => feed constraints.
[2026-05-22 22:05:41] [INFO ] Implicit Places using invariants and state equation in 2104 ms returned []
Implicit Place search using SMT with State Equation took 2193 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-22 22:05:41] [INFO ] Redundant transitions in 7 ms returned []
Running 394 sub problems to find dead transitions.
[2026-05-22 22:05:41] [INFO ] Invariant cache hit.
[2026-05-22 22:05:41] [INFO ] State equation strengthened by 372 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/151 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 394 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:42] [INFO ] Deduced a trap composed of 2 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:42] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:42] [INFO ] Deduced a trap composed of 12 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:05:42] [INFO ] Deduced a trap composed of 12 places in 25 ms of which 2 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/151 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :275913 after 2.04311e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/151 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 3 (OVERLAPS) 404/555 variables, 151/166 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/555 variables, 372/538 constraints. Problems are: Problem set: 0 solved, 394 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/555 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 394 unsolved
SMT process timed out in 30057ms, After SMT, problems are : Problem set: 0 solved, 394 unsolved
Search for dead transitions found 0 dead transitions in 30058ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32268 ms. Remains : 152/152 places, 404/404 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 344 edges and 152 vertex of which 110 / 152 are part of one of the 2 SCC in 0 ms
Free SCC test removed 108 places
Drop transitions (Empty/Sink Transition effects.) removed 272 transitions
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 359 transitions.
Graph (complete) has 102 edges and 44 vertex of which 11 are kept as prefixes of interest. Removing 33 places using SCC suffix rule.0 ms
Discarding 33 places :
Also discarding 13 output transitions
Drop transitions (Output transitions of discarded places.) removed 13 transitions
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 22 place count 11 transition count 12
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 30 place count 3 transition count 4
Iterating global reduction 1 with 8 rules applied. Total rules applied 38 place count 3 transition count 4
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 3 transition count 4
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 2 transition count 3
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 2 transition count 3
Applied a total of 41 rules in 2 ms. Remains 2 /152 variables (removed 150) and now considering 3/404 (removed 401) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3 rows 2 cols
[2026-05-22 22:06:11] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:06:11] [INFO ] After 2ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:06:11] [INFO ] After 3ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
[2026-05-22 22:06:11] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-22 22:06:11] [INFO ] After 2ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-22 22:06:11] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:06:11] [INFO ] After 24ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-22 22:06:11] [INFO ] Flatten gal took : 1 ms
[2026-05-22 22:06:11] [INFO ] Flatten gal took : 0 ms
[2026-05-22 22:06:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5925890473022571317.gal : 2 ms
[2026-05-22 22:06:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12505062404799715992.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5925890473022571317.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12505062404799715992.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality12505062404799715992.prop.
Invariant property MIN0 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,9,0.002395,3880,2,7,7,42,6,0,13,34,0
Total reachable state count : 9

Verifying 1 reachability properties.
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,2,0.002736,4136,2,3,7,42,7,0,16,34,0
Over-approximation ignoring read arcs solved 0 properties in 61 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-22 22:06:11] [INFO ] Flatten gal took : 7 ms
[2026-05-22 22:06:11] [INFO ] Applying decomposition
[2026-05-22 22:06:11] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4435024666603227295.txt' '-o' '/tmp/graph4435024666603227295.bin' '-w' '/tmp/graph4435024666603227295.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4435024666603227295.bin' '-l' '-1' '-v' '-w' '/tmp/graph4435024666603227295.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:06:11] [INFO ] Decomposing Gal with order
[2026-05-22 22:06:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:06:11] [INFO ] Removed a total of 318 redundant transitions.
[2026-05-22 22:06:11] [INFO ] Flatten gal took : 17 ms
[2026-05-22 22:06:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 184 labels/synchronizations in 4 ms.
[2026-05-22 22:06:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12580008420797046019.gal : 2 ms
[2026-05-22 22:06:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2284490100159434034.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12580008420797046019.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2284490100159434034.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality2284490100159434034.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 51
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :51 after 133
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :133 after 496
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :496 after 4155
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :4155 after 37180
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :37180 after 642588
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :642588 after 2.69e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.37601e+08 after 3.64755e+08
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,1.66221e+09,41.7103,942740,48128,6909,1.66378e+06,32331,843,2.73061e+06,268,389033,0
Total reachable state count : 1662209313

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,41.7228,942740,1,0,1.66378e+06,32331,846,2.73061e+06,270,389033,0
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA CANInsertWithFailure-PT-010-UpperBounds-12 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for CANInsertWithFailure-PT-010-UpperBounds-12 in 185552 ms.
[2026-05-22 22:06:53] [INFO ] Flatten gal took : 8 ms
[2026-05-22 22:06:53] [INFO ] Applying decomposition
[2026-05-22 22:06:53] [INFO ] Flatten gal took : 7 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph160001827282123862.txt' '-o' '/tmp/graph160001827282123862.bin' '-w' '/tmp/graph160001827282123862.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph160001827282123862.bin' '-l' '-1' '-v' '-w' '/tmp/graph160001827282123862.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:06:53] [INFO ] Decomposing Gal with order
[2026-05-22 22:06:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:06:53] [INFO ] Removed a total of 320 redundant transitions.
[2026-05-22 22:06:53] [INFO ] Flatten gal took : 19 ms
[2026-05-22 22:06:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 215 labels/synchronizations in 4 ms.
[2026-05-22 22:06:53] [INFO ] Time to serialize gal into /tmp/UpperBounds16327233136431156690.gal : 3 ms
[2026-05-22 22:06:53] [INFO ] Time to serialize properties into /tmp/UpperBounds6986302172875574639.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16327233136431156690.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds6986302172875574639.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds6986302172875574639.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.39845e+09,168.272,2428772,83029,7599,4.15546e+06,52690,877,6.69422e+06,352,1.36259e+06,0
Total reachable state count : 2398446902

Verifying 9 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-00 :0 <= u15.Node7GiveAnswer8 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-00 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-00,0,176.686,2428772,1,0,4.15546e+06,52690,1006,6.69422e+06,381,1.36259e+06,1364
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-02 :0 <= u11.Node4requestsent5 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-02 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-02,0,177.645,2428772,1,0,4.15546e+06,52690,1038,6.69422e+06,395,1.36259e+06,1529
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-03 :0 <= u11.Node7requestsent5 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-03 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-03,0,178.018,2428772,1,0,4.15546e+06,52690,1065,6.69422e+06,404,1.36259e+06,1659
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-04 :0 <= u11.Node5GiveAnswer8 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-04 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-04,0,178.296,2428772,1,0,4.15546e+06,52690,1091,6.69422e+06,404,1.36259e+06,1750
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-06 :0 <= i11.u18.Node2requestsent9 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-06 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-06,0,178.329,2428772,1,0,4.15546e+06,52690,1127,6.69422e+06,413,1.36259e+06,2101
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-07 :0 <= i11.u18.Node9GiveAnswer2 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-07 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-07,0,178.333,2428772,1,0,4.15546e+06,52690,1157,6.69422e+06,413,1.36259e+06,2416
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-09 :0 <= i2.u3.Node1requestsent7 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-09 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-09,0,178.334,2428772,1,0,4.15546e+06,52690,1189,6.69422e+06,413,1.36259e+06,2505
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-10 :0 <= i11.u20.Node6GiveAnswer9 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-10 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-10,0,178.489,2428772,1,0,4.15546e+06,52690,1218,6.69422e+06,413,1.36259e+06,2797
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property CANInsertWithFailure-PT-010-UpperBounds-11 :0 <= i4.u8.Node4GiveAnswer3 <= 1
FORMULA CANInsertWithFailure-PT-010-UpperBounds-11 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
CANInsertWithFailure-PT-010-UpperBounds-11,0,178.492,2428772,1,0,4.15546e+06,52690,1243,6.69422e+06,413,1.36259e+06,3137
Total runtime 2263028 ms.

BK_STOP 1779487792571

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600