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-177946846500095.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)
.............................
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CANInsertWithFailure-PT-070, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r047-tall-177946846500095
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 30M
-rw-r--r-- 1 mcc users 10K Mar 6 10:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 87K Mar 6 10:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 10:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 10:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 07:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 07:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 10:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 6 10:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Mar 6 10:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:55 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 30M 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-070-UpperBounds-00
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-01
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-02
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-03
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-04
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-05
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-06
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-07
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-08
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-09
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-10
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-11
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-12
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-13
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-14
FORMULA_NAME CANInsertWithFailure-PT-070-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779487825975

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CANInsertWithFailure-PT-070
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-22 22:10:27] [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 22:10:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:10:28] [INFO ] Load time of PNML (sax parser for PT used): 768 ms
[2026-05-22 22:10:28] [INFO ] Transformed 10644 places.
[2026-05-22 22:10:28] [INFO ] Transformed 29820 transitions.
[2026-05-22 22:10:28] [INFO ] Parsed PT model containing 10644 places and 29820 transitions and 79800 arcs in 979 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 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, 0, 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 29820 rows 10644 cols
[2026-05-22 22:10:33] [INFO ] Computed 73 invariants in 5146 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[70, 70, 70, 1, 70, 70, 70, 70, 1, 70, 70, 70, 70, 70, 70, 70]
RANDOM walk for 10000 steps (5 resets) in 207 ms. (48 steps per ms)
FORMULA CANInsertWithFailure-PT-070-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150015 steps (30 resets) in 245 ms. (609 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 1, 70, 70, 70, 70, 70, 70, 70]
[2026-05-22 22:10:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:10:35] [INFO ] [Real]Absence check using 71 positive place invariants in 232 ms returned sat
[2026-05-22 22:10:36] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 104 ms returned sat
[2026-05-22 22:10:39] [INFO ] [Real]Absence check using state equation in 3281 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:10:40] [INFO ] [Real]Absence check using 71 positive place invariants in 217 ms returned sat
[2026-05-22 22:10:40] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 22:10:44] [INFO ] [Real]Absence check using state equation in 3563 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:10:45] [INFO ] [Real]Absence check using 71 positive place invariants in 217 ms returned sat
[2026-05-22 22:10:45] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 22:10:49] [INFO ] [Real]Absence check using state equation in 3722 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:10:50] [INFO ] [Real]Absence check using 71 positive place invariants in 210 ms returned sat
[2026-05-22 22:10:50] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 91 ms returned sat
[2026-05-22 22:10:54] [INFO ] [Real]Absence check using state equation in 3733 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:10:55] [INFO ] [Real]Absence check using 71 positive place invariants in 207 ms returned sat
[2026-05-22 22:10:55] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 97 ms returned sat
[2026-05-22 22:10:59] [INFO ] [Real]Absence check using state equation in 3717 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:00] [INFO ] [Real]Absence check using 71 positive place invariants in 202 ms returned sat
[2026-05-22 22:11:00] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 22:11:04] [INFO ] [Real]Absence check using state equation in 3779 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:05] [INFO ] [Real]Absence check using 71 positive place invariants in 201 ms returned sat
[2026-05-22 22:11:05] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 22:11:09] [INFO ] [Real]Absence check using state equation in 3786 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:10] [INFO ] [Real]Absence check using 71 positive place invariants in 195 ms returned sat
[2026-05-22 22:11:10] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 92 ms returned sat
[2026-05-22 22:11:14] [INFO ] [Real]Absence check using state equation in 3780 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:15] [INFO ] [Real]Absence check using 71 positive place invariants in 191 ms returned sat
[2026-05-22 22:11:15] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 89 ms returned sat
[2026-05-22 22:11:19] [INFO ] [Real]Absence check using state equation in 3807 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:20] [INFO ] [Real]Absence check using 71 positive place invariants in 196 ms returned sat
[2026-05-22 22:11:20] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 89 ms returned sat
[2026-05-22 22:11:24] [INFO ] [Real]Absence check using state equation in 3783 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:25] [INFO ] [Real]Absence check using 71 positive place invariants in 200 ms returned sat
[2026-05-22 22:11:25] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 96 ms returned sat
[2026-05-22 22:11:29] [INFO ] [Real]Absence check using state equation in 3763 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:30] [INFO ] [Real]Absence check using 71 positive place invariants in 189 ms returned sat
[2026-05-22 22:11:30] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 89 ms returned sat
[2026-05-22 22:11:34] [INFO ] [Real]Absence check using state equation in 3806 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:35] [INFO ] [Real]Absence check using 71 positive place invariants in 196 ms returned sat
[2026-05-22 22:11:35] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 90 ms returned sat
[2026-05-22 22:11:39] [INFO ] [Real]Absence check using state equation in 3795 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:40] [INFO ] [Real]Absence check using 71 positive place invariants in 195 ms returned sat
[2026-05-22 22:11:40] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 93 ms returned sat
[2026-05-22 22:11:44] [INFO ] [Real]Absence check using state equation in 3783 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:11:45] [INFO ] [Real]Absence check using 71 positive place invariants in 192 ms returned sat
[2026-05-22 22:11:45] [INFO ] [Real]Absence check using 71 positive and 2 generalized place invariants in 91 ms returned sat
[2026-05-22 22:11:49] [INFO ] [Real]Absence check using state equation in 3791 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 1, 70, 70, 70, 70, 70, 70, 70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 1, 70, 70, 70, 70, 70, 70, 70]
Support contains 15 out of 10644 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10644/10644 places, 29820/29820 transitions.
Graph (complete) has 40251 edges and 10644 vertex of which 10643 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.39 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 487 transitions
Trivial Post-agglo rules discarded 487 transitions
Performed 487 trivial Post agglomeration. Transition count delta: 487
Iterating post reduction 0 with 487 rules applied. Total rules applied 488 place count 10643 transition count 29333
Reduce places removed 487 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 488 rules applied. Total rules applied 976 place count 10156 transition count 29332
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 977 place count 10155 transition count 29332
Performed 4823 Post agglomeration using F-continuation condition.Transition count delta: 4823
Deduced a syphon composed of 4823 places in 14 ms
Reduce places removed 4823 places and 0 transitions.
Iterating global reduction 3 with 9646 rules applied. Total rules applied 10623 place count 5332 transition count 24509
Free-agglomeration rule (complex) applied 2 times.
Iterating global reduction 3 with 2 rules applied. Total rules applied 10625 place count 5332 transition count 24507
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 10627 place count 5330 transition count 24507
Partial Free-agglomeration rule applied 4964 times.
Drop transitions (Partial Free agglomeration) removed 4964 transitions
Iterating global reduction 4 with 4964 rules applied. Total rules applied 15591 place count 5330 transition count 24507
Applied a total of 15591 rules in 9211 ms. Remains 5330 /10644 variables (removed 5314) and now considering 24507/29820 (removed 5313) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9228 ms. Remains : 5330/10644 places, 24507/29820 transitions.
[2026-05-22 22:11:58] [INFO ] Flow matrix only has 24500 transitions (discarded 7 similar events)
// Phase 1: matrix 24500 rows 5330 cols
[2026-05-22 22:12:00] [INFO ] Computed 72 invariants in 1248 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 1, 70, 70, 70, 70, 70, 70, 70]
RANDOM walk for 1000000 steps (2377 resets) in 24985 ms. (40 steps per ms)
FORMULA CANInsertWithFailure-PT-070-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 14000014 steps (353 resets) in 25010 ms. (559 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
[2026-05-22 22:12:50] [INFO ] Flow matrix only has 24500 transitions (discarded 7 similar events)
[2026-05-22 22:12:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:12:50] [INFO ] [Real]Absence check using 70 positive place invariants in 92 ms returned sat
[2026-05-22 22:12:50] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:12:57] [INFO ] [Real]Absence check using state equation in 6600 ms returned sat
[2026-05-22 22:12:58] [INFO ] State equation strengthened by 24262 read => feed constraints.
[2026-05-22 22:13:02] [INFO ] [Real]Added 24262 Read/Feed constraints in 4897 ms returned sat
[2026-05-22 22:13:03] [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 22:13:04] [INFO ] [Nat]Absence check using 70 positive place invariants in 101 ms returned sat
[2026-05-22 22:13:04] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 47 ms returned sat
[2026-05-22 22:13:10] [INFO ] [Nat]Absence check using state equation in 6611 ms returned sat
[2026-05-22 22:13:15] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4441 ms returned sat
[2026-05-22 22:13:17] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1407 ms.
Minimization took 11511 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:13:29] [INFO ] [Real]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:13:29] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:13:35] [INFO ] [Real]Absence check using state equation in 6426 ms returned sat
[2026-05-22 22:13:41] [INFO ] [Real]Added 24262 Read/Feed constraints in 5344 ms returned sat
[2026-05-22 22:13:42] [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 22:13:42] [INFO ] [Nat]Absence check using 70 positive place invariants in 90 ms returned sat
[2026-05-22 22:13:42] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:13:49] [INFO ] [Nat]Absence check using state equation in 6634 ms returned sat
[2026-05-22 22:13:54] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:13:55] [INFO ] [Nat]Added 24262 Read/Feed constraints in 6165 ms returned sat
[2026-05-22 22:13:57] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1469 ms.
Minimization took 13988 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:14:12] [INFO ] [Real]Absence check using 70 positive place invariants in 88 ms returned sat
[2026-05-22 22:14:12] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 46 ms returned sat
[2026-05-22 22:14:18] [INFO ] [Real]Absence check using state equation in 6696 ms returned sat
[2026-05-22 22:14:23] [INFO ] [Real]Added 24262 Read/Feed constraints in 4448 ms returned sat
[2026-05-22 22:14:24] [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 22:14:24] [INFO ] [Nat]Absence check using 70 positive place invariants in 91 ms returned sat
[2026-05-22 22:14:24] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 45 ms returned sat
[2026-05-22 22:14:32] [INFO ] [Nat]Absence check using state equation in 7436 ms returned sat
[2026-05-22 22:14:37] [INFO ] [Nat]Added 24262 Read/Feed constraints in 5171 ms returned sat
[2026-05-22 22:14:39] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1187 ms.
Minimization took 13375 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:14:53] [INFO ] [Real]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:14:53] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:14:59] [INFO ] [Real]Absence check using state equation in 6359 ms returned sat
[2026-05-22 22:15:04] [INFO ] [Real]Added 24262 Read/Feed constraints in 4698 ms returned sat
[2026-05-22 22:15:05] [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 22:15:05] [INFO ] [Nat]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:15:05] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:15:12] [INFO ] [Nat]Absence check using state equation in 6353 ms returned sat
[2026-05-22 22:15:16] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4491 ms returned sat
[2026-05-22 22:15:18] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1075 ms.
Minimization took 13879 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:15:32] [INFO ] [Real]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 22:15:32] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:15:39] [INFO ] [Real]Absence check using state equation in 6297 ms returned sat
[2026-05-22 22:15:45] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:15:46] [INFO ] [Real]Added 24262 Read/Feed constraints in 7385 ms returned sat
[2026-05-22 22:15:47] [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 22:15:47] [INFO ] [Nat]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:15:47] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:15:54] [INFO ] [Nat]Absence check using state equation in 6522 ms returned sat
[2026-05-22 22:15:58] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4397 ms returned sat
[2026-05-22 22:16:00] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1067 ms.
Minimization took 13136 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:16:14] [INFO ] [Real]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:16:14] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:16:20] [INFO ] [Real]Absence check using state equation in 6581 ms returned sat
[2026-05-22 22:16:26] [INFO ] [Real]Added 24262 Read/Feed constraints in 4826 ms returned sat
[2026-05-22 22:16:26] [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 22:16:27] [INFO ] [Nat]Absence check using 70 positive place invariants in 93 ms returned sat
[2026-05-22 22:16:27] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:16:34] [INFO ] [Nat]Absence check using state equation in 7085 ms returned sat
[2026-05-22 22:16:38] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4400 ms returned sat
[2026-05-22 22:16:40] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1052 ms.
Minimization took 13461 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:16:54] [INFO ] [Real]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:16:54] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:17:00] [INFO ] [Real]Absence check using state equation in 6356 ms returned sat
[2026-05-22 22:17:06] [INFO ] [Real]Added 24262 Read/Feed constraints in 5235 ms returned sat
[2026-05-22 22:17:06] [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 22:17:07] [INFO ] [Nat]Absence check using 70 positive place invariants in 91 ms returned sat
[2026-05-22 22:17:07] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:17:13] [INFO ] [Nat]Absence check using state equation in 6474 ms returned sat
[2026-05-22 22:17:19] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:17:23] [INFO ] [Nat]Added 24262 Read/Feed constraints in 10046 ms returned unknown
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:17:24] [INFO ] [Real]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 22:17:24] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:17:30] [INFO ] [Real]Absence check using state equation in 6345 ms returned sat
[2026-05-22 22:17:36] [INFO ] [Real]Added 24262 Read/Feed constraints in 4846 ms returned sat
[2026-05-22 22:17:36] [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 22:17:37] [INFO ] [Nat]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:17:37] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:17:43] [INFO ] [Nat]Absence check using state equation in 6438 ms returned sat
[2026-05-22 22:17:47] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4200 ms returned sat
[2026-05-22 22:17:49] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1143 ms.
Minimization took 12239 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:18:02] [INFO ] [Real]Absence check using 70 positive place invariants in 79 ms returned sat
[2026-05-22 22:18:02] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:18:09] [INFO ] [Real]Absence check using state equation in 6841 ms returned sat
[2026-05-22 22:18:14] [INFO ] [Real]Added 24262 Read/Feed constraints in 4510 ms returned sat
[2026-05-22 22:18:14] [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 22:18:15] [INFO ] [Nat]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:18:15] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:18:21] [INFO ] [Nat]Absence check using state equation in 6636 ms returned sat
[2026-05-22 22:18:25] [INFO ] [Nat]Added 24262 Read/Feed constraints in 3893 ms returned sat
[2026-05-22 22:18:27] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1039 ms.
Minimization took 11565 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:18:39] [INFO ] [Real]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 22:18:39] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:18:45] [INFO ] [Real]Absence check using state equation in 6185 ms returned sat
[2026-05-22 22:18:51] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:18:53] [INFO ] [Real]Added 24262 Read/Feed constraints in 7442 ms returned sat
[2026-05-22 22:18:54] [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 22:18:54] [INFO ] [Nat]Absence check using 70 positive place invariants in 90 ms returned sat
[2026-05-22 22:18:54] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:19:01] [INFO ] [Nat]Absence check using state equation in 6595 ms returned sat
[2026-05-22 22:19:05] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4576 ms returned sat
[2026-05-22 22:19:07] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1085 ms.
Minimization took 11788 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:19:19] [INFO ] [Real]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 22:19:19] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 39 ms returned sat
[2026-05-22 22:19:26] [INFO ] [Real]Absence check using state equation in 6428 ms returned sat
[2026-05-22 22:19:30] [INFO ] [Real]Added 24262 Read/Feed constraints in 4168 ms returned sat
[2026-05-22 22:19:31] [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 22:19:31] [INFO ] [Nat]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:19:31] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 39 ms returned sat
[2026-05-22 22:19:38] [INFO ] [Nat]Absence check using state equation in 6453 ms returned sat
[2026-05-22 22:19:42] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4169 ms returned sat
[2026-05-22 22:19:44] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1053 ms.
Minimization took 11981 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:19:56] [INFO ] [Real]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:19:56] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:20:03] [INFO ] [Real]Absence check using state equation in 6338 ms returned sat
[2026-05-22 22:20:07] [INFO ] [Real]Added 24262 Read/Feed constraints in 4421 ms returned sat
[2026-05-22 22:20:08] [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 22:20:08] [INFO ] [Nat]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:20:08] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:20:16] [INFO ] [Nat]Absence check using state equation in 7314 ms returned sat
[2026-05-22 22:20:21] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4872 ms returned sat
[2026-05-22 22:20:22] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1072 ms.
Minimization took 11456 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:20:34] [INFO ] [Real]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:20:34] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:20:40] [INFO ] [Real]Absence check using state equation in 6198 ms returned sat
[2026-05-22 22:20:45] [INFO ] [Real]Added 24262 Read/Feed constraints in 4292 ms returned sat
[2026-05-22 22:20:46] [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 22:20:46] [INFO ] [Nat]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:20:46] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 39 ms returned sat
[2026-05-22 22:20:53] [INFO ] [Nat]Absence check using state equation in 6645 ms returned sat
[2026-05-22 22:20:57] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4254 ms returned sat
[2026-05-22 22:20:59] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1066 ms.
Minimization took 11416 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:21:11] [INFO ] [Real]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:21:11] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:21:18] [INFO ] [Real]Absence check using state equation in 6890 ms returned sat
[2026-05-22 22:21:22] [INFO ] [Real]Added 24262 Read/Feed constraints in 4409 ms returned sat
[2026-05-22 22:21:23] [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 22:21:23] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:21:24] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:21:30] [INFO ] [Nat]Absence check using state equation in 6404 ms returned sat
[2026-05-22 22:21:35] [INFO ] [Nat]Added 24262 Read/Feed constraints in 5527 ms returned sat
[2026-05-22 22:21:37] [INFO ] Computed and/alt/rep : 19193/52693/19186 causal constraints (skipped 5244 transitions) in 1111 ms.
Minimization took 11777 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
Support contains 14 out of 5330 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5330/5330 places, 24507/24507 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 1 rules applied. Total rules applied 1 place count 5330 transition count 24506
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 5329 transition count 24506
Applied a total of 2 rules in 1287 ms. Remains 5329 /5330 variables (removed 1) and now considering 24506/24507 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1287 ms. Remains : 5329/5330 places, 24506/24507 transitions.
[2026-05-22 22:21:50] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
// Phase 1: matrix 24499 rows 5329 cols
[2026-05-22 22:21:51] [INFO ] Computed 72 invariants in 1190 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
RANDOM walk for 1000000 steps (2373 resets) in 24643 ms. (40 steps per ms)
BEST_FIRST walk for 14000014 steps (357 resets) in 25068 ms. (558 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
[2026-05-22 22:22:41] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:22:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:22:42] [INFO ] [Real]Absence check using 70 positive place invariants in 81 ms returned sat
[2026-05-22 22:22:42] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:22:48] [INFO ] [Real]Absence check using state equation in 6143 ms returned sat
[2026-05-22 22:22:48] [INFO ] State equation strengthened by 24262 read => feed constraints.
[2026-05-22 22:22:52] [INFO ] [Real]Added 24262 Read/Feed constraints in 3989 ms returned sat
[2026-05-22 22:22:53] [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 22:22:53] [INFO ] [Nat]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:22:53] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 39 ms returned sat
[2026-05-22 22:23:00] [INFO ] [Nat]Absence check using state equation in 6832 ms returned sat
[2026-05-22 22:23:04] [INFO ] [Nat]Added 24262 Read/Feed constraints in 3928 ms returned sat
[2026-05-22 22:23:06] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1106 ms.
Minimization took 11463 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:23:18] [INFO ] [Real]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:23:18] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:23:24] [INFO ] [Real]Absence check using state equation in 6587 ms returned sat
[2026-05-22 22:23:30] [INFO ] [Real]Added 24262 Read/Feed constraints in 5021 ms returned sat
[2026-05-22 22:23:30] [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 22:23:31] [INFO ] [Nat]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:23:31] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:23:37] [INFO ] [Nat]Absence check using state equation in 6421 ms returned sat
[2026-05-22 22:23:41] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4152 ms returned sat
[2026-05-22 22:23:43] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1139 ms.
Minimization took 11491 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:23:55] [INFO ] [Real]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 22:23:55] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 47 ms returned sat
[2026-05-22 22:24:02] [INFO ] [Real]Absence check using state equation in 6332 ms returned sat
[2026-05-22 22:24:06] [INFO ] [Real]Added 24262 Read/Feed constraints in 4096 ms returned sat
[2026-05-22 22:24:07] [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 22:24:07] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:24:07] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:24:14] [INFO ] [Nat]Absence check using state equation in 6709 ms returned sat
[2026-05-22 22:24:18] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4015 ms returned sat
[2026-05-22 22:24:19] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1060 ms.
Minimization took 11889 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:24:32] [INFO ] [Real]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:24:32] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:24:38] [INFO ] [Real]Absence check using state equation in 6466 ms returned sat
[2026-05-22 22:24:43] [INFO ] [Real]Added 24262 Read/Feed constraints in 4248 ms returned sat
[2026-05-22 22:24:44] [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 22:24:44] [INFO ] [Nat]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:24:44] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:24:51] [INFO ] [Nat]Absence check using state equation in 6553 ms returned sat
[2026-05-22 22:24:55] [INFO ] [Nat]Added 24262 Read/Feed constraints in 3979 ms returned sat
[2026-05-22 22:24:56] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1037 ms.
Minimization took 11478 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:25:08] [INFO ] [Real]Absence check using 70 positive place invariants in 81 ms returned sat
[2026-05-22 22:25:08] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:25:15] [INFO ] [Real]Absence check using state equation in 6374 ms returned sat
[2026-05-22 22:25:20] [INFO ] [Real]Added 24262 Read/Feed constraints in 4488 ms returned sat
[2026-05-22 22:25:20] [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 22:25:21] [INFO ] [Nat]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:25:21] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 39 ms returned sat
[2026-05-22 22:25:28] [INFO ] [Nat]Absence check using state equation in 7437 ms returned sat
[2026-05-22 22:25:32] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4204 ms returned sat
[2026-05-22 22:25:34] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1045 ms.
Minimization took 11669 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:25:46] [INFO ] [Real]Absence check using 70 positive place invariants in 88 ms returned sat
[2026-05-22 22:25:46] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:25:53] [INFO ] [Real]Absence check using state equation in 6956 ms returned sat
[2026-05-22 22:25:58] [INFO ] [Real]Added 24262 Read/Feed constraints in 4603 ms returned sat
[2026-05-22 22:25:59] [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 22:25:59] [INFO ] [Nat]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:25:59] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:26:06] [INFO ] [Nat]Absence check using state equation in 6941 ms returned sat
[2026-05-22 22:26:11] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4625 ms returned sat
[2026-05-22 22:26:12] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1100 ms.
Minimization took 11731 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:26:25] [INFO ] [Real]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:26:25] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:26:32] [INFO ] [Real]Absence check using state equation in 7022 ms returned sat
[2026-05-22 22:26:37] [INFO ] [Real]Added 24262 Read/Feed constraints in 4591 ms returned sat
[2026-05-22 22:26:37] [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 22:26:38] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:26:38] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 50 ms returned sat
[2026-05-22 22:26:44] [INFO ] [Nat]Absence check using state equation in 6314 ms returned sat
[2026-05-22 22:26:50] [INFO ] [Nat]Added 24262 Read/Feed constraints in 5429 ms returned sat
[2026-05-22 22:26:51] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1078 ms.
Minimization took 11840 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:27:04] [INFO ] [Real]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:27:04] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:27:10] [INFO ] [Real]Absence check using state equation in 6547 ms returned sat
[2026-05-22 22:27:15] [INFO ] [Real]Added 24262 Read/Feed constraints in 4587 ms returned sat
[2026-05-22 22:27:16] [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 22:27:16] [INFO ] [Nat]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:27:16] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:27:23] [INFO ] [Nat]Absence check using state equation in 7003 ms returned sat
[2026-05-22 22:27:28] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4652 ms returned sat
[2026-05-22 22:27:30] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1074 ms.
Minimization took 11633 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:27:42] [INFO ] [Real]Absence check using 70 positive place invariants in 80 ms returned sat
[2026-05-22 22:27:42] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:27:48] [INFO ] [Real]Absence check using state equation in 6269 ms returned sat
[2026-05-22 22:27:53] [INFO ] [Real]Added 24262 Read/Feed constraints in 4446 ms returned sat
[2026-05-22 22:27:53] [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 22:27:54] [INFO ] [Nat]Absence check using 70 positive place invariants in 92 ms returned sat
[2026-05-22 22:27:54] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:28:01] [INFO ] [Nat]Absence check using state equation in 6926 ms returned sat
[2026-05-22 22:28:05] [INFO ] [Nat]Added 24262 Read/Feed constraints in 3675 ms returned sat
[2026-05-22 22:28:06] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1149 ms.
Minimization took 11789 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:28:19] [INFO ] [Real]Absence check using 70 positive place invariants in 82 ms returned sat
[2026-05-22 22:28:19] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:28:25] [INFO ] [Real]Absence check using state equation in 6522 ms returned sat
[2026-05-22 22:28:31] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:28:33] [INFO ] [Real]Added 24262 Read/Feed constraints in 7341 ms returned sat
[2026-05-22 22:28:34] [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 22:28:34] [INFO ] [Nat]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:28:34] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:28:41] [INFO ] [Nat]Absence check using state equation in 7295 ms returned sat
[2026-05-22 22:28:46] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4871 ms returned sat
[2026-05-22 22:28:48] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1048 ms.
Minimization took 11701 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:29:00] [INFO ] [Real]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:29:00] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:29:07] [INFO ] [Real]Absence check using state equation in 6533 ms returned sat
[2026-05-22 22:29:11] [INFO ] [Real]Added 24262 Read/Feed constraints in 4081 ms returned sat
[2026-05-22 22:29:12] [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 22:29:12] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:29:12] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:29:19] [INFO ] [Nat]Absence check using state equation in 6757 ms returned sat
[2026-05-22 22:29:24] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4720 ms returned sat
[2026-05-22 22:29:25] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1078 ms.
Minimization took 11716 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:29:38] [INFO ] [Real]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:29:38] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:29:44] [INFO ] [Real]Absence check using state equation in 6723 ms returned sat
[2026-05-22 22:29:49] [INFO ] [Real]Added 24262 Read/Feed constraints in 3718 ms returned sat
[2026-05-22 22:29:49] [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 22:29:50] [INFO ] [Nat]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 22:29:50] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:29:56] [INFO ] [Nat]Absence check using state equation in 6518 ms returned sat
[2026-05-22 22:30:00] [INFO ] [Nat]Added 24262 Read/Feed constraints in 4027 ms returned sat
[2026-05-22 22:30:02] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1069 ms.
Minimization took 11576 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:30:14] [INFO ] [Real]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:30:14] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 22:30:20] [INFO ] [Real]Absence check using state equation in 6288 ms returned sat
[2026-05-22 22:30:25] [INFO ] [Real]Added 24262 Read/Feed constraints in 4127 ms returned sat
[2026-05-22 22:30:25] [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 22:30:26] [INFO ] [Nat]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 22:30:26] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:30:32] [INFO ] [Nat]Absence check using state equation in 6593 ms returned sat
[2026-05-22 22:30:36] [INFO ] [Nat]Added 24262 Read/Feed constraints in 3874 ms returned sat
[2026-05-22 22:30:38] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1091 ms.
Minimization took 11880 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:30:50] [INFO ] [Real]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:30:50] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:30:57] [INFO ] [Real]Absence check using state equation in 6510 ms returned sat
[2026-05-22 22:31:01] [INFO ] [Real]Added 24262 Read/Feed constraints in 3953 ms returned sat
[2026-05-22 22:31:02] [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 22:31:02] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:31:02] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 22:31:10] [INFO ] [Nat]Absence check using state equation in 7535 ms returned sat
[2026-05-22 22:31:15] [INFO ] [Nat]Added 24262 Read/Feed constraints in 5311 ms returned sat
[2026-05-22 22:31:17] [INFO ] Computed and/alt/rep : 19192/52692/19185 causal constraints (skipped 5244 transitions) in 1062 ms.
Minimization took 11878 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
Support contains 14 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Applied a total of 0 rules in 1266 ms. Remains 5329 /5329 variables (removed 0) and now considering 24506/24506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1267 ms. Remains : 5329/5329 places, 24506/24506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Applied a total of 0 rules in 1254 ms. Remains 5329 /5329 variables (removed 0) and now considering 24506/24506 (removed 0) transitions.
[2026-05-22 22:31:31] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:31:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:31:42] [INFO ] Implicit Places using invariants in 10794 ms returned []
Implicit Place search using SMT only with invariants took 10794 ms to find 0 implicit places.
Running 24436 sub problems to find dead transitions.
[2026-05-22 22:31:42] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:31:42] [INFO ] Invariant cache hit.
[2026-05-22 22:31:42] [INFO ] State equation strengthened by 24262 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5328 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24436 unsolved
SMT process timed out in 82041ms, After SMT, problems are : Problem set: 0 solved, 24436 unsolved
Search for dead transitions found 0 dead transitions in 82147ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94268 ms. Remains : 5329/5329 places, 24506/24506 transitions.
RANDOM walk for 40000 steps (93 resets) in 3091 ms. (12 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 197 ms. (20 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 28/28 properties
[2026-05-22 22:33:06] [INFO ] Flatten gal took : 1238 ms
[2026-05-22 22:33:07] [INFO ] Flatten gal took : 600 ms
[2026-05-22 22:33:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6445085248438585187.gal : 145 ms
[2026-05-22 22:33:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12834786760604075201.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/ReachabilityCardinality6445085248438585187.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12834786760604075201.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
Interrupted probabilistic random walk after 56634 steps, run timeout after 3001 ms. (steps per millisecond=18 ) properties seen :0 out of 28
Probabilistic random walk after 56634 steps, saw 50675 distinct states, run finished after 3006 ms. (steps per millisecond=18 ) properties seen :0
[2026-05-22 22:33:09] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:33:09] [INFO ] Invariant cache hit.
[2026-05-22 22:33:09] [INFO ] State equation strengthened by 24262 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 28 unsolved
At refinement iteration 1 (OVERLAPS) 5173/5187 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 28 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:10] [INFO ] Deduced a trap composed of 2 places in 160 ms of which 10 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:10] [INFO ] Deduced a trap composed of 2 places in 146 ms of which 5 ms to minimize.
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
Problem MAX3 is UNSAT
Loading property file /tmp/ReachabilityCardinality12834786760604075201.prop.
Problem MAX4 is UNSAT
Problem MAX5 is UNSAT
Problem MAX6 is UNSAT
Problem MAX7 is UNSAT
Problem MAX8 is UNSAT
Problem MAX9 is UNSAT
Problem MAX10 is UNSAT
Problem MAX11 is UNSAT
Problem MAX12 is UNSAT
Problem MAX13 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5187 variables, 2/3 constraints. Problems are: Problem set: 14 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5187/29828 variables, and 3 constraints, problems are : Problem set: 14 solved, 14 unsolved in 5009 ms.
Refiners :[Positive P Invariants (semi-flows): 1/70 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/5329 constraints, ReadFeed: 0/24262 constraints, PredecessorRefiner: 28/28 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 14 solved, 14 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 14 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 5173/5187 variables, 1/1 constraints. Problems are: Problem set: 14 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5187 variables, 2/3 constraints. Problems are: Problem set: 14 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:15] [INFO ] Deduced a trap composed of 2 places in 168 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:15] [INFO ] Deduced a trap composed of 2 places in 173 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:15] [INFO ] Deduced a trap composed of 2 places in 168 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:15] [INFO ] Deduced a trap composed of 2 places in 166 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:16] [INFO ] Deduced a trap composed of 2 places in 167 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:16] [INFO ] Deduced a trap composed of 2 places in 172 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:16] [INFO ] Deduced a trap composed of 2 places in 166 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:16] [INFO ] Deduced a trap composed of 2 places in 163 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:17] [INFO ] Deduced a trap composed of 2 places in 164 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:17] [INFO ] Deduced a trap composed of 2 places in 175 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:17] [INFO ] Deduced a trap composed of 2 places in 166 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:17] [INFO ] Deduced a trap composed of 2 places in 166 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:17] [INFO ] Deduced a trap composed of 2 places in 164 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:18] [INFO ] Deduced a trap composed of 2 places in 164 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:18] [INFO ] Deduced a trap composed of 2 places in 161 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:18] [INFO ] Deduced a trap composed of 2 places in 165 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:18] [INFO ] Deduced a trap composed of 2 places in 163 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:19] [INFO ] Deduced a trap composed of 2 places in 161 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:19] [INFO ] Deduced a trap composed of 2 places in 161 ms of which 4 ms to minimize.
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(s2466 timeout
0)
( org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5187/29828 variables, and 22 constraints, problems are : Problem set: 14 solved, 14 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 1/70 constraints, Generalized P Invariants (flows): 0/2 constraints, State Equation: 0/5329 constraints, ReadFeed: 0/24262 constraints, PredecessorRefiner: 0/28 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10296ms problems are : Problem set: 14 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 14 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Applied a total of 0 rules in 1272 ms. Remains 5329 /5329 variables (removed 0) and now considering 24506/24506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1276 ms. Remains : 5329/5329 places, 24506/24506 transitions.
RANDOM walk for 40000 steps (91 resets) in 2042 ms. (19 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 141 ms. (281 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 147 ms. (270 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 165 ms. (240 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 133 ms. (298 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 100 ms. (396 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 125 ms. (317 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 340 ms. (117 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 58980 steps, run timeout after 3001 ms. (steps per millisecond=19 ) properties seen :0 out of 14
Probabilistic random walk after 58980 steps, saw 51030 distinct states, run finished after 3002 ms. (steps per millisecond=19 ) properties seen :0
[2026-05-22 22:33:24] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:33:24] [INFO ] Invariant cache hit.
[2026-05-22 22:33:25] [INFO ] State equation strengthened by 24262 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/14 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 5173/5187 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:25] [INFO ] Deduced a trap composed of 2 places in 166 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5187 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5187 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (OVERLAPS) 138/5325 variables, 69/71 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5325 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 2/5327 variables, 2/73 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:44] [INFO ] Deduced a trap composed of 76 places in 8852 ms of which 532 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:33:54] [INFO ] Deduced a trap composed of 74 places in 9587 ms of which 615 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 22:33:58] [INFO ] Flatten gal took : 480 ms
[2026-05-22 22:33:58] [INFO ] Applying decomposition
[2026-05-22 22:33:58] [INFO ] Flatten gal took : 471 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/graph14127998790692130211.txt' '-o' '/tmp/graph14127998790692130211.bin' '-w' '/tmp/graph14127998790692130211.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14127998790692130211.bin' '-l' '-1' '-v' '-w' '/tmp/graph14127998790692130211.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:33:59] [INFO ] Decomposing Gal with order
[2026-05-22 22:34:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:34:02] [INFO ] Deduced a trap composed of 76 places in 8614 ms of which 551 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:34:03] [INFO ] Removed a total of 21926 redundant transitions.
[2026-05-22 22:34:03] [INFO ] Flatten gal took : 3053 ms
[2026-05-22 22:34:07] [INFO ] Fuse similar labels procedure discarded/fused a total of 15819 labels/synchronizations in 3434 ms.
[2026-05-22 22:34:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6324318635586214146.gal : 169 ms
[2026-05-22 22:34:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17950068960867383817.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/ReachabilityCardinality6324318635586214146.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17950068960867383817.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
[2026-05-22 22:34:11] [INFO ] Deduced a trap composed of 76 places in 8219 ms of which 518 ms to minimize.
SMT process timed out in 46272ms, After SMT, problems are : Problem set: 0 solved, 14 unsolved
Fused 14 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 14 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Loading property file /tmp/ReachabilityCardinality17950068960867383817.prop.
Applied a total of 0 rules in 1412 ms. Remains 5329 /5329 variables (removed 0) and now considering 24506/24506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1412 ms. Remains : 5329/5329 places, 24506/24506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Applied a total of 0 rules in 1275 ms. Remains 5329 /5329 variables (removed 0) and now considering 24506/24506 (removed 0) transitions.
[2026-05-22 22:34:13] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:34:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 149
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :149 after 149
[2026-05-22 22:34:24] [INFO ] Implicit Places using invariants in 10832 ms returned []
Implicit Place search using SMT only with invariants took 10833 ms to find 0 implicit places.
Running 24436 sub problems to find dead transitions.
[2026-05-22 22:34:24] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:34:24] [INFO ] Invariant cache hit.
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :149 after 149
[2026-05-22 22:34:24] [INFO ] State equation strengthened by 24262 read => feed constraints.
SDD proceeding with computation,14 properties remain. new max is 2048
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :149 after 149
SDD proceeding with computation,14 properties remain. new max is 32768
SDD size :149 after 25188
SDD proceeding with computation,14 properties remain. new max is 65536
SDD size :25188 after 50577
Detected timeout of ITS tools.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5328 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24436 unsolved
SMT process timed out in 83321ms, After SMT, problems are : Problem set: 0 solved, 24436 unsolved
Search for dead transitions found 0 dead transitions in 83386ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 95549 ms. Remains : 5329/5329 places, 24506/24506 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max Struct:[70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70, 70]
Starting property specific reduction for CANInsertWithFailure-PT-070-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:[70]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[70]
[2026-05-22 22:35:48] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:35:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 10000 steps (23 resets) in 249 ms. (40 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 18 ms. (526 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[70]
[2026-05-22 22:35:48] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:35:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:35:49] [INFO ] [Real]Absence check using 70 positive place invariants in 89 ms returned sat
[2026-05-22 22:35:49] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 44 ms returned sat
[2026-05-22 22:35:52] [INFO ] [Real]Absence check using state equation in 3366 ms returned sat
[2026-05-22 22:35:53] [INFO ] State equation strengthened by 24262 read => feed constraints.
[2026-05-22 22:35:53] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[70]
Support contains 1 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 4 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 5323 transition count 24500
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 19 place count 5323 transition count 24500
Applied a total of 19 rules in 3622 ms. Remains 5323 /5329 variables (removed 6) and now considering 24500/24506 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3623 ms. Remains : 5323/5329 places, 24500/24506 transitions.
// Phase 1: matrix 24500 rows 5323 cols
[2026-05-22 22:35:58] [INFO ] Computed 72 invariants in 1306 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 959302 steps (2285 resets) in 30001 ms. (31 steps per ms)
BEST_FIRST walk for 1000001 steps (25 resets) in 1966 ms. (508 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 22:36:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:36:31] [INFO ] [Real]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:36:31] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 44 ms returned sat
[2026-05-22 22:36:38] [INFO ] [Real]Absence check using state equation in 7246 ms returned sat
[2026-05-22 22:36:38] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 22:36:44] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:36:47] [INFO ] [Real]Added 24288 Read/Feed constraints in 8155 ms returned sat
[2026-05-22 22:36:47] [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 22:36:48] [INFO ] [Nat]Absence check using 70 positive place invariants in 93 ms returned sat
[2026-05-22 22:36:48] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 44 ms returned sat
[2026-05-22 22:36:55] [INFO ] [Nat]Absence check using state equation in 7198 ms returned sat
[2026-05-22 22:36:59] [INFO ] [Nat]Added 24288 Read/Feed constraints in 4247 ms returned sat
[2026-05-22 22:37:01] [INFO ] Computed and/alt/rep : 19186/52717/19186 causal constraints (skipped 5244 transitions) in 1039 ms.
Minimization took 13022 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1371 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1371 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1271 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
[2026-05-22 22:37:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:37:27] [INFO ] Implicit Places using invariants in 10960 ms returned []
Implicit Place search using SMT only with invariants took 10961 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 22:37:27] [INFO ] Invariant cache hit.
[2026-05-22 22:37:28] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 88438ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 88481ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100751 ms. Remains : 5323/5323 places, 24500/24500 transitions.
[2026-05-22 22:38:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[70]
RANDOM walk for 1000000 steps (2376 resets) in 28490 ms. (35 steps per ms)
BEST_FIRST walk for 1000001 steps (26 resets) in 2016 ms. (495 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 22:39:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:39:27] [INFO ] [Real]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:39:27] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:39:34] [INFO ] [Real]Absence check using state equation in 6888 ms returned sat
[2026-05-22 22:39:35] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 22:39:40] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:39:43] [INFO ] [Real]Added 24288 Read/Feed constraints in 8174 ms returned sat
[2026-05-22 22:39:43] [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 22:39:44] [INFO ] [Nat]Absence check using 70 positive place invariants in 93 ms returned sat
[2026-05-22 22:39:44] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:39:51] [INFO ] [Nat]Absence check using state equation in 7058 ms returned sat
[2026-05-22 22:39:55] [INFO ] [Nat]Added 24288 Read/Feed constraints in 4172 ms returned sat
[2026-05-22 22:39:57] [INFO ] Computed and/alt/rep : 19186/52717/19186 causal constraints (skipped 5244 transitions) in 1130 ms.
Minimization took 12384 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1259 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1261 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1235 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
[2026-05-22 22:40:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:40:22] [INFO ] Implicit Places using invariants in 10811 ms returned []
Implicit Place search using SMT only with invariants took 10812 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 22:40:23] [INFO ] Invariant cache hit.
[2026-05-22 22:40:23] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 87675ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 87709ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99792 ms. Remains : 5323/5323 places, 24500/24500 transitions.
RANDOM walk for 40000 steps (93 resets) in 2759 ms. (14 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 137 ms. (289 steps per ms) remains 2/2 properties
[2026-05-22 22:41:51] [INFO ] Flatten gal took : 765 ms
[2026-05-22 22:41:52] [INFO ] Flatten gal took : 433 ms
[2026-05-22 22:41:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6857623999776026603.gal : 74 ms
[2026-05-22 22:41:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12773232697902915851.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/ReachabilityCardinality6857623999776026603.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12773232697902915851.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
Interrupted probabilistic random walk after 65896 steps, run timeout after 3001 ms. (steps per millisecond=21 ) properties seen :0 out of 2
Probabilistic random walk after 65896 steps, saw 52025 distinct states, run finished after 3001 ms. (steps per millisecond=21 ) properties seen :0
[2026-05-22 22:41:54] [INFO ] Invariant cache hit.
[2026-05-22 22:41:54] [INFO ] State equation strengthened by 24288 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) 5180/5181 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 22:41:55] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 5 ms to minimize.
Problem MAX0 is UNSAT
Loading property file /tmp/ReachabilityCardinality12773232697902915851.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/5181 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5181 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/5319 variables, 69/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5319 variables, 0/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/5321 variables, 2/73 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 22:42:04] [INFO ] Deduced a trap composed of 76 places in 8387 ms of which 535 ms to minimize.
SMT process timed out in 10055ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1237 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1237 ms. Remains : 5323/5323 places, 24500/24500 transitions.
RANDOM walk for 40000 steps (95 resets) in 2117 ms. (18 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 68909 steps, run timeout after 3001 ms. (steps per millisecond=22 ) properties seen :0 out of 1
Probabilistic random walk after 68909 steps, saw 52461 distinct states, run finished after 3003 ms. (steps per millisecond=22 ) properties seen :0
[2026-05-22 22:42:09] [INFO ] Invariant cache hit.
[2026-05-22 22:42:09] [INFO ] State equation strengthened by 24288 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) 5180/5181 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 22:42:10] [INFO ] Deduced a trap composed of 2 places in 142 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:10] [INFO ] Deduced a trap composed of 2 places in 142 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:10] [INFO ] Deduced a trap composed of 2 places in 139 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:11] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:11] [INFO ] Deduced a trap composed of 2 places in 137 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:11] [INFO ] Deduced a trap composed of 2 places in 139 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:11] [INFO ] Deduced a trap composed of 2 places in 141 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:11] [INFO ] Deduced a trap composed of 2 places in 143 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:12] [INFO ] Deduced a trap composed of 2 places in 140 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:12] [INFO ] Deduced a trap composed of 2 places in 139 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:12] [INFO ] Deduced a trap composed of 2 places in 139 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:12] [INFO ] Deduced a trap composed of 2 places in 139 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:12] [INFO ] Deduced a trap composed of 2 places in 137 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:13] [INFO ] Deduced a trap composed of 2 places in 142 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:13] [INFO ] Deduced a trap composed of 2 places in 136 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:13] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:13] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:13] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:14] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:14] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5181 variables, 20/21 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 22:42:14] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:14] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:14] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:15] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:15] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:15] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:15] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:15] [INFO ] Deduced a trap composed of 2 places in 130 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:16] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:16] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:16] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:16] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:16] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:17] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:17] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:17] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:17] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:17] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:18] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:18] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/5181 variables, 20/41 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 22:42:18] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:18] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:18] [INFO ] Deduced a trap composed of 2 places in 130 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:19] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:19] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:19] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:19] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:19] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:20] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:20] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:20] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:20] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:20] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:21] [INFO ] Deduced a trap composed of 2 places in 123 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:21] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:21] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:21] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:21] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:21] [INFO ] Deduced a trap composed of 2 places in 119 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:22] [INFO ] Deduced a trap composed of 2 places in 117 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/5181 variables, 20/61 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 22:42:22] [INFO ] Deduced a trap composed of 2 places in 121 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:22] [INFO ] Deduced a trap composed of 2 places in 123 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:22] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:22] [INFO ] Deduced a trap composed of 2 places in 123 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:23] [INFO ] Deduced a trap composed of 2 places in 118 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:23] [INFO ] Deduced a trap composed of 2 places in 118 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/5181 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5181 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 138/5319 variables, 69/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5319 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/5321 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5321 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 24500/29821 variables, 5321/5459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
Detected timeout of ITS tools.
[2026-05-22 22:42:42] [INFO ] Flatten gal took : 492 ms
[2026-05-22 22:42:42] [INFO ] Applying decomposition
[2026-05-22 22:42:43] [INFO ] Flatten gal took : 498 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/graph9554998163564867944.txt' '-o' '/tmp/graph9554998163564867944.bin' '-w' '/tmp/graph9554998163564867944.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9554998163564867944.bin' '-l' '-1' '-v' '-w' '/tmp/graph9554998163564867944.weights' '-q' '0' '-e' '0.001'
[2026-05-22 22:42:44] [INFO ] Decomposing Gal with order
[2026-05-22 22:42:44] [INFO ] Rewriting arrays to variables to allow decomposition.
After SMT solving in domain Real declared 29821/29823 variables, and 29747 constraints, problems are : Problem set: 0 solved, 1 unsolved in 35449 ms.
Refiners :[Positive P Invariants (semi-flows): 70/70 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 5321/5323 constraints, ReadFeed: 24288/24288 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 66/66 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) 5180/5181 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5181 variables, 66/67 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 22:42:45] [INFO ] Deduced a trap composed of 2 places in 117 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:45] [INFO ] Deduced a trap composed of 2 places in 116 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:42:46] [INFO ] Deduced a trap composed of 2 places in 117 ms of which 2 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/5181 variables, 3/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5181 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 138/5319 variables, 69/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5319 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/5321 variables, 2/141 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 22:42:47] [INFO ] Removed a total of 19864 redundant transitions.
[2026-05-22 22:42:47] [INFO ] Flatten gal took : 2645 ms
[2026-05-22 22:42:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 14836 labels/synchronizations in 3536 ms.
[2026-05-22 22:42:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14990659486581652624.gal : 109 ms
[2026-05-22 22:42:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14604358260908370931.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/ReachabilityCardinality14990659486581652624.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14604358260908370931.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/ReachabilityCardinality14604358260908370931.prop.
[2026-05-22 22:42:55] [INFO ] Deduced a trap composed of 76 places in 8636 ms of which 543 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:43:04] [INFO ] Deduced a trap composed of 76 places in 9154 ms of which 553 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6786
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6786 after 6786
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :6786 after 6786
[2026-05-22 22:43:14] [INFO ] Deduced a trap composed of 76 places in 9475 ms of which 516 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :6786 after 28362
[2026-05-22 22:43:23] [INFO ] Deduced a trap composed of 76 places in 8819 ms of which 513 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:43:32] [INFO ] Deduced a trap composed of 76 places in 8857 ms of which 494 ms to minimize.
SMT process timed out in 82769ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1234 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1234 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1426 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
[2026-05-22 22:43:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :28362 after 5.52495e+06
Detected timeout of ITS tools.
[2026-05-22 22:43:45] [INFO ] Implicit Places using invariants in 10669 ms returned []
Implicit Place search using SMT only with invariants took 10670 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 22:43:45] [INFO ] Invariant cache hit.
[2026-05-22 22:43:45] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 88708ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 88749ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100907 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[70]
Ending property specific reduction for CANInsertWithFailure-PT-070-UpperBounds-00 in 566354 ms.
Starting property specific reduction for CANInsertWithFailure-PT-070-UpperBounds-01
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:[70]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[70]
[2026-05-22 22:45:14] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
// Phase 1: matrix 24499 rows 5329 cols
[2026-05-22 22:45:16] [INFO ] Computed 72 invariants in 1516 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 10000 steps (24 resets) in 391 ms. (25 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[70]
[2026-05-22 22:45:16] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:45:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:45:17] [INFO ] [Real]Absence check using 70 positive place invariants in 99 ms returned sat
[2026-05-22 22:45:17] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:45:20] [INFO ] [Real]Absence check using state equation in 2859 ms returned sat
[2026-05-22 22:45:20] [INFO ] State equation strengthened by 24262 read => feed constraints.
[2026-05-22 22:45:21] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[70]
Support contains 1 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 5 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 5323 transition count 24500
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 19 place count 5323 transition count 24500
Applied a total of 19 rules in 4995 ms. Remains 5323 /5329 variables (removed 6) and now considering 24500/24506 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5001 ms. Remains : 5323/5329 places, 24500/24506 transitions.
// Phase 1: matrix 24500 rows 5323 cols
[2026-05-22 22:45:27] [INFO ] Computed 72 invariants in 1254 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 1000000 steps (2374 resets) in 26917 ms. (37 steps per ms)
BEST_FIRST walk for 1000001 steps (25 resets) in 2015 ms. (496 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 22:45:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:45:57] [INFO ] [Real]Absence check using 70 positive place invariants in 93 ms returned sat
[2026-05-22 22:45:57] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 44 ms returned sat
[2026-05-22 22:46:05] [INFO ] [Real]Absence check using state equation in 7579 ms returned sat
[2026-05-22 22:46:05] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 22:46:11] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:46:13] [INFO ] [Real]Added 24288 Read/Feed constraints in 8335 ms returned sat
[2026-05-22 22:46:14] [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 22:46:14] [INFO ] [Nat]Absence check using 70 positive place invariants in 100 ms returned sat
[2026-05-22 22:46:15] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 40 ms returned sat
[2026-05-22 22:46:22] [INFO ] [Nat]Absence check using state equation in 7147 ms returned sat
[2026-05-22 22:46:27] [INFO ] [Nat]Added 24288 Read/Feed constraints in 5112 ms returned sat
[2026-05-22 22:46:29] [INFO ] Computed and/alt/rep : 19186/52717/19186 causal constraints (skipped 5244 transitions) in 1574 ms.
Minimization took 15193 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1446 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1447 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1360 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
[2026-05-22 22:46:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:46:58] [INFO ] Implicit Places using invariants in 10838 ms returned []
Implicit Place search using SMT only with invariants took 10843 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 22:46:58] [INFO ] Invariant cache hit.
[2026-05-22 22:46:58] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 86537ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 86617ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98895 ms. Remains : 5323/5323 places, 24500/24500 transitions.
[2026-05-22 22:48:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[70]
RANDOM walk for 1000000 steps (2376 resets) in 25057 ms. (39 steps per ms)
BEST_FIRST walk for 1000001 steps (26 resets) in 1761 ms. (567 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 22:48:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:48:52] [INFO ] [Real]Absence check using 70 positive place invariants in 84 ms returned sat
[2026-05-22 22:48:52] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:48:59] [INFO ] [Real]Absence check using state equation in 6841 ms returned sat
[2026-05-22 22:49:00] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 22:49:05] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-22 22:49:08] [INFO ] [Real]Added 24288 Read/Feed constraints in 8277 ms returned sat
[2026-05-22 22:49:08] [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 22:49:09] [INFO ] [Nat]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:49:09] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:49:16] [INFO ] [Nat]Absence check using state equation in 7022 ms returned sat
[2026-05-22 22:49:21] [INFO ] [Nat]Added 24288 Read/Feed constraints in 5238 ms returned sat
[2026-05-22 22:49:23] [INFO ] Computed and/alt/rep : 19186/52717/19186 causal constraints (skipped 5244 transitions) in 1399 ms.
Minimization took 12869 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1338 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1340 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1348 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
[2026-05-22 22:49:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:49:50] [INFO ] Implicit Places using invariants in 10946 ms returned []
Implicit Place search using SMT only with invariants took 10947 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 22:49:50] [INFO ] Invariant cache hit.
[2026-05-22 22:49:50] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 89281ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 89331ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 101671 ms. Remains : 5323/5323 places, 24500/24500 transitions.
RANDOM walk for 40000 steps (94 resets) in 2400 ms. (16 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 175 ms. (227 steps per ms) remains 2/2 properties
[2026-05-22 22:51:21] [INFO ] Flatten gal took : 984 ms
[2026-05-22 22:51:22] [INFO ] Flatten gal took : 616 ms
[2026-05-22 22:51:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18308590948335973580.gal : 166 ms
[2026-05-22 22:51:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17764218342428010651.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/ReachabilityCardinality18308590948335973580.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17764218342428010651.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
Interrupted probabilistic random walk after 65416 steps, run timeout after 3001 ms. (steps per millisecond=21 ) properties seen :0 out of 2
Probabilistic random walk after 65416 steps, saw 51952 distinct states, run finished after 3003 ms. (steps per millisecond=21 ) properties seen :0
[2026-05-22 22:51:23] [INFO ] Invariant cache hit.
[2026-05-22 22:51:23] [INFO ] State equation strengthened by 24288 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) 5180/5181 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 22:51:24] [INFO ] Deduced a trap composed of 2 places in 134 ms of which 5 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5181 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5181 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/5319 variables, 69/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5319 variables, 0/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/5321 variables, 2/73 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality17764218342428010651.prop.
[2026-05-22 22:51:33] [INFO ] Deduced a trap composed of 76 places in 8192 ms of which 561 ms to minimize.
SMT process timed out in 9847ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1446 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1453 ms. Remains : 5323/5323 places, 24500/24500 transitions.
RANDOM walk for 40000 steps (92 resets) in 1389 ms. (28 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 68071 steps, run timeout after 3001 ms. (steps per millisecond=22 ) properties seen :0 out of 1
Probabilistic random walk after 68071 steps, saw 52341 distinct states, run finished after 3003 ms. (steps per millisecond=22 ) properties seen :0
[2026-05-22 22:51:38] [INFO ] Invariant cache hit.
[2026-05-22 22:51:38] [INFO ] State equation strengthened by 24288 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) 5180/5181 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 22:51:39] [INFO ] Deduced a trap composed of 2 places in 152 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:39] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:39] [INFO ] Deduced a trap composed of 2 places in 140 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:39] [INFO ] Deduced a trap composed of 2 places in 138 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:40] [INFO ] Deduced a trap composed of 2 places in 135 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:40] [INFO ] Deduced a trap composed of 2 places in 134 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:40] [INFO ] Deduced a trap composed of 2 places in 139 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:40] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:40] [INFO ] Deduced a trap composed of 2 places in 136 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:41] [INFO ] Deduced a trap composed of 2 places in 134 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:41] [INFO ] Deduced a trap composed of 2 places in 136 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:41] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:41] [INFO ] Deduced a trap composed of 2 places in 135 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:41] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:42] [INFO ] Deduced a trap composed of 2 places in 134 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:42] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:42] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:42] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:42] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:43] [INFO ] Deduced a trap composed of 2 places in 136 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5181 variables, 20/21 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 22:51:43] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:43] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:43] [INFO ] Deduced a trap composed of 2 places in 133 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:43] [INFO ] Deduced a trap composed of 2 places in 132 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:44] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:44] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:44] [INFO ] Deduced a trap composed of 2 places in 130 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:44] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:44] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:45] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:45] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:45] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:45] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:45] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:46] [INFO ] Deduced a trap composed of 2 places in 126 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:46] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:46] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:46] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:46] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:47] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 4 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/5181 variables, 20/41 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 22:51:47] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:47] [INFO ] Deduced a trap composed of 2 places in 126 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:47] [INFO ] Deduced a trap composed of 2 places in 123 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:47] [INFO ] Deduced a trap composed of 2 places in 128 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:48] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:48] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:48] [INFO ] Deduced a trap composed of 2 places in 131 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:48] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:48] [INFO ] Deduced a trap composed of 2 places in 129 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:49] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:49] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:49] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:49] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:49] [INFO ] Deduced a trap composed of 2 places in 123 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:49] [INFO ] Deduced a trap composed of 2 places in 123 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:50] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:50] [INFO ] Deduced a trap composed of 2 places in 126 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:50] [INFO ] Deduced a trap composed of 2 places in 127 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:50] [INFO ] Deduced a trap composed of 2 places in 120 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:50] [INFO ] Deduced a trap composed of 2 places in 121 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/5181 variables, 20/61 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 22:51:51] [INFO ] Deduced a trap composed of 2 places in 124 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:51] [INFO ] Deduced a trap composed of 2 places in 122 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:51] [INFO ] Deduced a trap composed of 2 places in 125 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:51] [INFO ] Deduced a trap composed of 2 places in 126 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:51] [INFO ] Deduced a trap composed of 2 places in 119 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:51:52] [INFO ] Deduced a trap composed of 2 places in 117 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/5181 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/5181 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 138/5319 variables, 69/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5319 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 2/5321 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5321 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 24500/29821 variables, 5321/5459 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
Detected timeout of ITS tools.
After SMT solving in domain Real declared 29821/29823 variables, and 29747 constraints, problems are : Problem set: 0 solved, 1 unsolved in 34064 ms.
Refiners :[Positive P Invariants (semi-flows): 70/70 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 5321/5323 constraints, ReadFeed: 24288/24288 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 66/66 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
[2026-05-22 22:52:12] [INFO ] Flatten gal took : 568 ms
[2026-05-22 22:52:12] [INFO ] Applying decomposition
At refinement iteration 1 (OVERLAPS) 5180/5181 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5181 variables, 66/67 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 22:52:13] [INFO ] Deduced a trap composed of 2 places in 112 ms of which 3 ms to minimize.
[2026-05-22 22:52:13] [INFO ] Flatten gal took : 455 ms
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:52:13] [INFO ] Deduced a trap composed of 2 places in 120 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:52:13] [INFO ] Deduced a trap composed of 2 places in 111 ms of which 6 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/5181 variables, 3/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5181 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 138/5319 variables, 69/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5319 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 2/5321 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 1 unsolved
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/graph1858922078052990246.txt' '-o' '/tmp/graph1858922078052990246.bin' '-w' '/tmp/graph1858922078052990246.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1858922078052990246.bin' '-l' '-1' '-v' '-w' '/tmp/graph1858922078052990246.weights' '-q' '0' '-e' '0.001'
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:52:14] [INFO ] Decomposing Gal with order
[2026-05-22 22:52:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 22:52:17] [INFO ] Removed a total of 19864 redundant transitions.
[2026-05-22 22:52:18] [INFO ] Flatten gal took : 2821 ms
[2026-05-22 22:52:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 14836 labels/synchronizations in 3622 ms.
[2026-05-22 22:52:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18134960398561998135.gal : 119 ms
[2026-05-22 22:52:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10958165218381470498.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/ReachabilityCardinality18134960398561998135.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10958165218381470498.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
[2026-05-22 22:52:23] [INFO ] Deduced a trap composed of 76 places in 8591 ms of which 529 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality10958165218381470498.prop.
[2026-05-22 22:52:32] [INFO ] Deduced a trap composed of 76 places in 9099 ms of which 517 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 10694
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :10694 after 10694
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :10694 after 10754
[2026-05-22 22:52:41] [INFO ] Deduced a trap composed of 76 places in 9377 ms of which 515 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:52:50] [INFO ] Deduced a trap composed of 76 places in 8506 ms of which 518 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 22:52:59] [INFO ] Deduced a trap composed of 76 places in 9057 ms of which 546 ms to minimize.
SMT process timed out in 81191ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5323 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1399 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1399 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5323/5323 places, 24500/24500 transitions.
Applied a total of 0 rules in 1388 ms. Remains 5323 /5323 variables (removed 0) and now considering 24500/24500 (removed 0) transitions.
[2026-05-22 22:53:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
Detected timeout of ITS tools.
[2026-05-22 22:53:13] [INFO ] Implicit Places using invariants in 10693 ms returned []
Implicit Place search using SMT only with invariants took 10697 ms to find 0 implicit places.
Running 24430 sub problems to find dead transitions.
[2026-05-22 22:53:13] [INFO ] Invariant cache hit.
[2026-05-22 22:53:13] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/5322 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24430 unsolved
SMT process timed out in 84388ms, After SMT, problems are : Problem set: 0 solved, 24430 unsolved
Search for dead transitions found 0 dead transitions in 84423ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 96539 ms. Remains : 5323/5323 places, 24500/24500 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[70]
Ending property specific reduction for CANInsertWithFailure-PT-070-UpperBounds-01 in 562941 ms.
Starting property specific reduction for CANInsertWithFailure-PT-070-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:[70]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[70]
[2026-05-22 22:54:37] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
// Phase 1: matrix 24499 rows 5329 cols
[2026-05-22 22:54:39] [INFO ] Computed 72 invariants in 1610 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 10000 steps (23 resets) in 252 ms. (39 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 20 ms. (476 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[70]
[2026-05-22 22:54:39] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 22:54:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 22:54:39] [INFO ] [Real]Absence check using 70 positive place invariants in 86 ms returned sat
[2026-05-22 22:54:40] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:54:43] [INFO ] [Real]Absence check using state equation in 3085 ms returned sat
[2026-05-22 22:54:43] [INFO ] State equation strengthened by 24262 read => feed constraints.
[2026-05-22 22:54:44] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[70]
Support contains 1 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 5 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 5322 transition count 24499
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 20 place count 5322 transition count 24499
Applied a total of 20 rules in 3953 ms. Remains 5322 /5329 variables (removed 7) and now considering 24499/24506 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3956 ms. Remains : 5322/5329 places, 24499/24506 transitions.
[2026-05-22 22:54:48] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
// Phase 1: matrix 24498 rows 5322 cols
[2026-05-22 22:54:49] [INFO ] Computed 72 invariants in 1224 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 969574 steps (2310 resets) in 30001 ms. (32 steps per ms)
BEST_FIRST walk for 1000001 steps (25 resets) in 1960 ms. (509 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 22:55:21] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:55:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:55:22] [INFO ] [Real]Absence check using 70 positive place invariants in 88 ms returned sat
[2026-05-22 22:55:22] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 44 ms returned sat
[2026-05-22 22:55:29] [INFO ] [Real]Absence check using state equation in 7400 ms returned sat
[2026-05-22 22:55:30] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 22:55:34] [INFO ] [Real]Added 24288 Read/Feed constraints in 4339 ms returned sat
[2026-05-22 22:55:35] [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 22:55:35] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:55:35] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 45 ms returned sat
[2026-05-22 22:55:43] [INFO ] [Nat]Absence check using state equation in 7471 ms returned sat
[2026-05-22 22:55:46] [INFO ] [Nat]Added 24288 Read/Feed constraints in 3700 ms returned sat
[2026-05-22 22:55:48] [INFO ] Computed and/alt/rep : 19185/52719/19184 causal constraints (skipped 5244 transitions) in 1216 ms.
Minimization took 13812 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1315 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1315 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1269 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
[2026-05-22 22:56:05] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:56:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:56:16] [INFO ] Implicit Places using invariants in 11189 ms returned []
Implicit Place search using SMT only with invariants took 11190 ms to find 0 implicit places.
Running 24429 sub problems to find dead transitions.
[2026-05-22 22:56:16] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:56:16] [INFO ] Invariant cache hit.
[2026-05-22 22:56:16] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/5321 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24429 unsolved
SMT process timed out in 87828ms, After SMT, problems are : Problem set: 0 solved, 24429 unsolved
Search for dead transitions found 0 dead transitions in 87870ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100369 ms. Remains : 5322/5322 places, 24499/24499 transitions.
[2026-05-22 22:57:44] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:57:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[70]
RANDOM walk for 1000000 steps (2385 resets) in 25277 ms. (39 steps per ms)
BEST_FIRST walk for 1000001 steps (25 resets) in 1802 ms. (554 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 22:58:11] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:58:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 22:58:11] [INFO ] [Real]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 22:58:11] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 45 ms returned sat
[2026-05-22 22:58:18] [INFO ] [Real]Absence check using state equation in 6665 ms returned sat
[2026-05-22 22:58:19] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 22:58:23] [INFO ] [Real]Added 24288 Read/Feed constraints in 4276 ms returned sat
[2026-05-22 22:58:23] [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 22:58:24] [INFO ] [Nat]Absence check using 70 positive place invariants in 92 ms returned sat
[2026-05-22 22:58:24] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 22:58:32] [INFO ] [Nat]Absence check using state equation in 7671 ms returned sat
[2026-05-22 22:58:35] [INFO ] [Nat]Added 24288 Read/Feed constraints in 3796 ms returned sat
[2026-05-22 22:58:37] [INFO ] Computed and/alt/rep : 19185/52719/19184 causal constraints (skipped 5244 transitions) in 1208 ms.
Minimization took 16344 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1377 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1377 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1340 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
[2026-05-22 22:58:56] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:58:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 22:59:08] [INFO ] Implicit Places using invariants in 11215 ms returned []
Implicit Place search using SMT only with invariants took 11216 ms to find 0 implicit places.
Running 24429 sub problems to find dead transitions.
[2026-05-22 22:59:08] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 22:59:08] [INFO ] Invariant cache hit.
[2026-05-22 22:59:08] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5321 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24429 unsolved
SMT process timed out in 84523ms, After SMT, problems are : Problem set: 0 solved, 24429 unsolved
Search for dead transitions found 0 dead transitions in 84559ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 97146 ms. Remains : 5322/5322 places, 24499/24499 transitions.
[2026-05-22 23:00:33] [INFO ] Flatten gal took : 512 ms
RANDOM walk for 40000 steps (93 resets) in 1851 ms. (21 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 2/2 properties
[2026-05-22 23:00:33] [INFO ] Flatten gal took : 445 ms
[2026-05-22 23:00:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality229406589802257621.gal : 78 ms
[2026-05-22 23:00:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1749236057082821567.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/ReachabilityCardinality229406589802257621.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1749236057082821567.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
Interrupted probabilistic random walk after 65341 steps, run timeout after 3001 ms. (steps per millisecond=21 ) properties seen :0 out of 2
Probabilistic random walk after 65341 steps, saw 51933 distinct states, run finished after 3003 ms. (steps per millisecond=21 ) properties seen :0
[2026-05-22 23:00:36] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:00:36] [INFO ] Invariant cache hit.
[2026-05-22 23:00:36] [INFO ] State equation strengthened by 24288 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
Loading property file /tmp/ReachabilityCardinality1749236057082821567.prop.
At refinement iteration 1 (OVERLAPS) 5179/5180 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 23:00:37] [INFO ] Deduced a trap composed of 2 places in 135 ms of which 5 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/5180 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5180 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/5318 variables, 69/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5318 variables, 0/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/5320 variables, 2/73 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 23:00:47] [INFO ] Deduced a trap composed of 76 places in 8921 ms of which 561 ms to minimize.
SMT process timed out in 10588ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1378 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1379 ms. Remains : 5322/5322 places, 24499/24499 transitions.
RANDOM walk for 40000 steps (92 resets) in 1799 ms. (22 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 115 ms. (344 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 67601 steps, run timeout after 3001 ms. (steps per millisecond=22 ) properties seen :0 out of 1
Probabilistic random walk after 67601 steps, saw 52267 distinct states, run finished after 3001 ms. (steps per millisecond=22 ) properties seen :0
[2026-05-22 23:00:51] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:00:51] [INFO ] Invariant cache hit.
[2026-05-22 23:00:52] [INFO ] State equation strengthened by 24288 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) 5179/5180 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 23:00:52] [INFO ] Deduced a trap composed of 2 places in 138 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:00:53] [INFO ] Deduced a trap composed of 2 places in 142 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5180 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5180 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/5318 variables, 69/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5318 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/5320 variables, 2/74 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 23:01:02] [INFO ] Deduced a trap composed of 76 places in 8624 ms of which 522 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:01:11] [INFO ] Deduced a trap composed of 74 places in 9038 ms of which 662 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:01:20] [INFO ] Deduced a trap composed of 76 places in 8399 ms of which 529 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 23:01:24] [INFO ] Flatten gal took : 462 ms
[2026-05-22 23:01:24] [INFO ] Applying decomposition
[2026-05-22 23:01:24] [INFO ] Flatten gal took : 496 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/graph2119297790331602321.txt' '-o' '/tmp/graph2119297790331602321.bin' '-w' '/tmp/graph2119297790331602321.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2119297790331602321.bin' '-l' '-1' '-v' '-w' '/tmp/graph2119297790331602321.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:01:25] [INFO ] Decomposing Gal with order
[2026-05-22 23:01:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:01:28] [INFO ] Deduced a trap composed of 76 places in 8052 ms of which 544 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:01:28] [INFO ] Removed a total of 19727 redundant transitions.
[2026-05-22 23:01:29] [INFO ] Flatten gal took : 2622 ms
[2026-05-22 23:01:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 14767 labels/synchronizations in 3493 ms.
[2026-05-22 23:01:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14001447367910521842.gal : 105 ms
[2026-05-22 23:01:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2294261581837128655.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/ReachabilityCardinality14001447367910521842.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2294261581837128655.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/ReachabilityCardinality2294261581837128655.prop.
[2026-05-22 23:01:36] [INFO ] Deduced a trap composed of 76 places in 8096 ms of which 546 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:01:43] [INFO ] Deduced a trap composed of 76 places in 7543 ms of which 517 ms to minimize.
SMT process timed out in 51974ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1330 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1330 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1461 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
[2026-05-22 23:01:46] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:01:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 11972
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :11972 after 11972
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :11972 after 12113
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :12113 after 12210
[2026-05-22 23:01:57] [INFO ] Implicit Places using invariants in 10915 ms returned []
Implicit Place search using SMT only with invariants took 10918 ms to find 0 implicit places.
Running 24429 sub problems to find dead transitions.
[2026-05-22 23:01:57] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:01:57] [INFO ] Invariant cache hit.
[2026-05-22 23:01:57] [INFO ] State equation strengthened by 24288 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :12210 after 54476
Detected timeout of ITS tools.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5321 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24429 unsolved
SMT process timed out in 85836ms, After SMT, problems are : Problem set: 0 solved, 24429 unsolved
Search for dead transitions found 0 dead transitions in 85873ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 98285 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[70]
Ending property specific reduction for CANInsertWithFailure-PT-070-UpperBounds-02 in 526077 ms.
Starting property specific reduction for CANInsertWithFailure-PT-070-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:[70]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[70]
[2026-05-22 23:03:23] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
// Phase 1: matrix 24499 rows 5329 cols
[2026-05-22 23:03:24] [INFO ] Computed 72 invariants in 1233 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 10000 steps (23 resets) in 266 ms. (37 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 21 ms. (454 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[70]
[2026-05-22 23:03:25] [INFO ] Flow matrix only has 24499 transitions (discarded 7 similar events)
[2026-05-22 23:03:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 23:03:25] [INFO ] [Real]Absence check using 70 positive place invariants in 83 ms returned sat
[2026-05-22 23:03:25] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 43 ms returned sat
[2026-05-22 23:03:28] [INFO ] [Real]Absence check using state equation in 2976 ms returned sat
[2026-05-22 23:03:29] [INFO ] State equation strengthened by 24262 read => feed constraints.
[2026-05-22 23:03:30] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:863)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:946)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[70]
Support contains 1 out of 5329 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5329/5329 places, 24506/24506 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 4 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 5322 transition count 24499
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 20 place count 5322 transition count 24499
Applied a total of 20 rules in 3726 ms. Remains 5322 /5329 variables (removed 7) and now considering 24499/24506 (removed 7) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3726 ms. Remains : 5322/5329 places, 24499/24506 transitions.
[2026-05-22 23:03:33] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
// Phase 1: matrix 24498 rows 5322 cols
[2026-05-22 23:03:35] [INFO ] Computed 72 invariants in 1240 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[70]
RANDOM walk for 1000000 steps (2389 resets) in 25273 ms. (39 steps per ms)
BEST_FIRST walk for 1000001 steps (25 resets) in 1840 ms. (543 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 23:04:02] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:04:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:04:02] [INFO ] [Real]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 23:04:02] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 41 ms returned sat
[2026-05-22 23:04:10] [INFO ] [Real]Absence check using state equation in 7280 ms returned sat
[2026-05-22 23:04:10] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 23:04:15] [INFO ] [Real]Added 24288 Read/Feed constraints in 4504 ms returned sat
[2026-05-22 23:04:15] [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 23:04:16] [INFO ] [Nat]Absence check using 70 positive place invariants in 87 ms returned sat
[2026-05-22 23:04:16] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 23:04:23] [INFO ] [Nat]Absence check using state equation in 7091 ms returned sat
[2026-05-22 23:04:27] [INFO ] [Nat]Added 24288 Read/Feed constraints in 4344 ms returned sat
[2026-05-22 23:04:29] [INFO ] Computed and/alt/rep : 19185/52719/19184 causal constraints (skipped 5244 transitions) in 1059 ms.
Minimization took 12567 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1316 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1316 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1329 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
[2026-05-22 23:04:44] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:04:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:04:55] [INFO ] Implicit Places using invariants in 10958 ms returned []
Implicit Place search using SMT only with invariants took 10959 ms to find 0 implicit places.
Running 24429 sub problems to find dead transitions.
[2026-05-22 23:04:55] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:04:55] [INFO ] Invariant cache hit.
[2026-05-22 23:04:55] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5321 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24429 unsolved
SMT process timed out in 83559ms, After SMT, problems are : Problem set: 0 solved, 24429 unsolved
Search for dead transitions found 0 dead transitions in 83596ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 95917 ms. Remains : 5322/5322 places, 24499/24499 transitions.
[2026-05-22 23:06:19] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:06:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[70]
RANDOM walk for 1000000 steps (2382 resets) in 26063 ms. (38 steps per ms)
BEST_FIRST walk for 1000001 steps (25 resets) in 1833 ms. (545 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[70]
[2026-05-22 23:06:47] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:06:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-22 23:06:47] [INFO ] [Real]Absence check using 70 positive place invariants in 85 ms returned sat
[2026-05-22 23:06:47] [INFO ] [Real]Absence check using 70 positive and 2 generalized place invariants in 44 ms returned sat
[2026-05-22 23:06:54] [INFO ] [Real]Absence check using state equation in 6780 ms returned sat
[2026-05-22 23:06:55] [INFO ] State equation strengthened by 24288 read => feed constraints.
[2026-05-22 23:06:59] [INFO ] [Real]Added 24288 Read/Feed constraints in 4508 ms returned sat
[2026-05-22 23:07:00] [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 23:07:00] [INFO ] [Nat]Absence check using 70 positive place invariants in 88 ms returned sat
[2026-05-22 23:07:00] [INFO ] [Nat]Absence check using 70 positive and 2 generalized place invariants in 42 ms returned sat
[2026-05-22 23:07:08] [INFO ] [Nat]Absence check using state equation in 7490 ms returned sat
[2026-05-22 23:07:12] [INFO ] [Nat]Added 24288 Read/Feed constraints in 4483 ms returned sat
[2026-05-22 23:07:14] [INFO ] Computed and/alt/rep : 19185/52719/19184 causal constraints (skipped 5244 transitions) in 1086 ms.
Minimization took 13092 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[70]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[70]
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1323 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1323 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1339 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
[2026-05-22 23:07:30] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:07:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 23:07:41] [INFO ] Implicit Places using invariants in 11178 ms returned []
Implicit Place search using SMT only with invariants took 11179 ms to find 0 implicit places.
Running 24429 sub problems to find dead transitions.
[2026-05-22 23:07:41] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:07:41] [INFO ] Invariant cache hit.
[2026-05-22 23:07:41] [INFO ] State equation strengthened by 24288 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/5321 variables, 70/70 constraints. Problems are: Problem set: 0 solved, 24429 unsolved
SMT process timed out in 89509ms, After SMT, problems are : Problem set: 0 solved, 24429 unsolved
Search for dead transitions found 0 dead transitions in 89552ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 102111 ms. Remains : 5322/5322 places, 24499/24499 transitions.
RANDOM walk for 40000 steps (94 resets) in 1805 ms. (22 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 107 ms. (370 steps per ms) remains 2/2 properties
[2026-05-22 23:09:11] [INFO ] Flatten gal took : 585 ms
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 2/2 properties
[2026-05-22 23:09:12] [INFO ] Flatten gal took : 451 ms
[2026-05-22 23:09:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6414256600265473519.gal : 77 ms
[2026-05-22 23:09:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16367581832277755995.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/ReachabilityCardinality6414256600265473519.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16367581832277755995.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
Interrupted probabilistic random walk after 65577 steps, run timeout after 3001 ms. (steps per millisecond=21 ) properties seen :0 out of 2
Probabilistic random walk after 65577 steps, saw 51974 distinct states, run finished after 3001 ms. (steps per millisecond=21 ) properties seen :0
[2026-05-22 23:09:14] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:09:14] [INFO ] Invariant cache hit.
[2026-05-22 23:09:14] [INFO ] State equation strengthened by 24288 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) 5179/5180 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 23:09:15] [INFO ] Deduced a trap composed of 2 places in 135 ms of which 5 ms to minimize.
Problem MAX0 is UNSAT
Loading property file /tmp/ReachabilityCardinality16367581832277755995.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/5180 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5180 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/5318 variables, 69/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5318 variables, 0/71 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/5320 variables, 2/73 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 23:09:24] [INFO ] Deduced a trap composed of 76 places in 8532 ms of which 544 ms to minimize.
SMT process timed out in 10124ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1306 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1307 ms. Remains : 5322/5322 places, 24499/24499 transitions.
RANDOM walk for 40000 steps (93 resets) in 1776 ms. (22 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 67400 steps, run timeout after 3001 ms. (steps per millisecond=22 ) properties seen :0 out of 1
Probabilistic random walk after 67400 steps, saw 52242 distinct states, run finished after 3001 ms. (steps per millisecond=22 ) properties seen :0
[2026-05-22 23:09:29] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:09:29] [INFO ] Invariant cache hit.
[2026-05-22 23:09:29] [INFO ] State equation strengthened by 24288 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) 5179/5180 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 23:09:30] [INFO ] Deduced a trap composed of 2 places in 145 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:09:30] [INFO ] Deduced a trap composed of 2 places in 143 ms of which 5 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/5180 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5180 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 138/5318 variables, 69/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5318 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/5320 variables, 2/74 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 23:09:40] [INFO ] Deduced a trap composed of 76 places in 9074 ms of which 515 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:09:50] [INFO ] Deduced a trap composed of 74 places in 9278 ms of which 601 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:09:58] [INFO ] Deduced a trap composed of 76 places in 8599 ms of which 561 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-22 23:10:02] [INFO ] Flatten gal took : 445 ms
[2026-05-22 23:10:02] [INFO ] Applying decomposition
[2026-05-22 23:10:03] [INFO ] Flatten gal took : 463 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/graph1318128403175436456.txt' '-o' '/tmp/graph1318128403175436456.bin' '-w' '/tmp/graph1318128403175436456.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1318128403175436456.bin' '-l' '-1' '-v' '-w' '/tmp/graph1318128403175436456.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:10:04] [INFO ] Decomposing Gal with order
[2026-05-22 23:10:04] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:10:06] [INFO ] Removed a total of 19727 redundant transitions.
[2026-05-22 23:10:07] [INFO ] Flatten gal took : 2507 ms
[2026-05-22 23:10:07] [INFO ] Deduced a trap composed of 76 places in 8508 ms of which 548 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 23:10:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 14767 labels/synchronizations in 3564 ms.
[2026-05-22 23:10:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11722763087402070243.gal : 102 ms
[2026-05-22 23:10:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7123481306154966259.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/ReachabilityCardinality11722763087402070243.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7123481306154966259.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/ReachabilityCardinality7123481306154966259.prop.
[2026-05-22 23:10:15] [INFO ] Deduced a trap composed of 76 places in 7868 ms of which 509 ms to minimize.
SMT process timed out in 45547ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 5322 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1430 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1430 ms. Remains : 5322/5322 places, 24499/24499 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5322/5322 places, 24499/24499 transitions.
Applied a total of 0 rules in 1308 ms. Remains 5322 /5322 variables (removed 0) and now considering 24499/24499 (removed 0) transitions.
[2026-05-22 23:10:18] [INFO ] Flow matrix only has 24498 transitions (discarded 1 similar events)
[2026-05-22 23:10:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6302
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6302 after 6302
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :6302 after 6302

BK_TIME_CONFINEMENT_REACHED

--------------------
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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="CANInsertWithFailure-PT-070"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool gold2025"
echo " Input is CANInsertWithFailure-PT-070, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r047-tall-177946846500095"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-070.tgz
mv CANInsertWithFailure-PT-070 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;