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.r207-tall-177969919700009.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 Murphy-PT-D2N050, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r207-tall-177969919700009
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 8.2K Mar 8 14:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 8 14:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 8 14:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 8 14:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 16 08:04 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 16 08:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 16 08:04 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 16 08:04 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Mar 8 14:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 8 14:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 8 14:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 8 14:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 16 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 12K 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 Murphy-PT-D2N050-UpperBounds-00
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-01
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-02
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-03
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-04
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-05
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-06
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-07
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-08
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-09
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-10
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-11
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-12
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-13
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-14
FORMULA_NAME Murphy-PT-D2N050-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779719131221

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D2N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 14:25:32] [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]
[2026-05-25 14:25:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:25:32] [INFO ] Load time of PNML (sax parser for PT used): 34 ms
[2026-05-25 14:25:32] [INFO ] Transformed 18 places.
[2026-05-25 14:25:32] [INFO ] Transformed 21 transitions.
[2026-05-25 14:25:32] [INFO ] Parsed PT model containing 18 places and 21 transitions and 81 arcs in 120 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 0, 50, 0, 0, 3, 0, 50, 1, 1, 0, 1, 1, 1, 50, 3] 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:[1, 0, 50, 0, 0, 3, 0, 50, 1, 1, 0, 1, 1, 1, 50, 3] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 21 rows 18 cols
[2026-05-25 14:25:32] [INFO ] Computed 4 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 0, 50, 0, 0, 3, 0, 50, 1, 1, 0, 1, 1, 1, 50, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
RANDOM walk for 10000 steps (2 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 160015 steps (32 resets) in 138 ms. (1151 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[89, 2, 63, 1, 2, 3, 2, 70, 89, 65, 1, 79, 65, 79, 61, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
[2026-05-25 14:25:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2026-05-25 14:25:33] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:33] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:33] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:33] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:33] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:33] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:33] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:33] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:33] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:33] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 15 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:25:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:33] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:34] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:34] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 18 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:34] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:25:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:34] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 17 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:34] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 25 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:34] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[89, 2, 63, 1, 2, 3, 2, 70, 89, 65, 1, 79, 65, 79, 61, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[151, 2, 101, 1, 2, 3, 2, 124, 151, 151, 1, 151, 151, 151, 135, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
Support contains 16 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 8 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 14:25:34] [INFO ] Invariant cache hit.
[2026-05-25 14:25:34] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 213 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 451ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 457ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 472 ms. Remains : 18/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {10=1, 13=1, 19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {10=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 16) seen :[108, 2, 52, 1, 2, 3, 2, 57, 108, 68, 1, 93, 68, 93, 68, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[151, 2, 101, 1, 2, 3, 2, 124, 151, 151, 1, 151, 151, 151, 135, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
[2026-05-25 14:25:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[151, 2, 101, 1, 2, 3, 2, 124, 151, 151, 1, 151, 151, 151, 135, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
RANDOM walk for 1000043 steps (2 resets) in 468 ms. (2132 steps per ms)
BEST_FIRST walk for 16000012 steps (32 resets) in 5512 ms. (2902 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[151, 2, 101, 1, 2, 3, 2, 124, 151, 151, 1, 151, 151, 151, 135, 3] Max Struct:[153, +inf, 153, +inf, +inf, +inf, +inf, 153, 153, 153, +inf, 153, 153, 153, 153, +inf]
[2026-05-25 14:25:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-25 14:25:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:41] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:41] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2026-05-25 14:25:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:41] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:25:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:41] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:42] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:42] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:42] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 5 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 5 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:42] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 8 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2026-05-25 14:25:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:42] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:42] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[151, 2, 101, 1, 2, 3, 2, 124, 151, 151, 1, 151, 151, 151, 135, 3] Max Struct:[151, +inf, 153, +inf, +inf, +inf, +inf, 153, 151, 151, +inf, 151, 151, 151, 153, +inf]
FORMULA Murphy-PT-D2N050-UpperBounds-13 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-12 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-11 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-09 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-08 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N050-UpperBounds-00 151 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 18/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {10=1, 13=1, 19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {10=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 10) seen :[2, 54, 1, 2, 3, 2, 58, 1, 51, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 14:25:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 1000056 steps (2 resets) in 353 ms. (2825 steps per ms)
BEST_FIRST walk for 10000009 steps (20 resets) in 3219 ms. (3105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 14:25:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:46] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:46] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:46] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:46] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:46] [INFO ] Added : 3 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:46] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 5 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:46] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:46] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:46] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:46] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:46] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:47] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:25:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:47] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:47] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 16 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:47] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:47] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:47] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 18/18 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:25:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:25:47] [INFO ] Implicit Places using invariants in 35 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 38 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 41 ms. Remains : 15/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 10) seen :[2, 61, 1, 2, 3, 2, 52, 1, 52, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
// Phase 1: matrix 21 rows 15 cols
[2026-05-25 14:25:47] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 1000005 steps (2 resets) in 310 ms. (3215 steps per ms)
BEST_FIRST walk for 10000006 steps (20 resets) in 2925 ms. (3417 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 14:25:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:50] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 7 ms.
[2026-05-25 14:25:50] [INFO ] Added : 2 causal constraints over 1 iterations in 21 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:50] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:50] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:50] [INFO ] Added : 2 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:50] [INFO ] Added : 3 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:25:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:51] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:25:51] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:51] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2026-05-25 14:25:51] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:25:51] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:51] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:51] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:51] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2026-05-25 14:25:51] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 143, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:25:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:25:51] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-25 14:25:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:25:51] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:51] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:25:51] [INFO ] Redundant transitions in 1 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 14:25:51] [INFO ] Invariant cache hit.
[2026-05-25 14:25:51] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 169 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 223 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 418ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 418ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 501 ms. Remains : 15/15 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 10) seen :[2, 51, 1, 2, 3, 2, 53, 1, 55, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 14:25:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 1000015 steps (2 resets) in 321 ms. (3105 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 2911 ms. (3434 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
[2026-05-25 14:25:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:25:55] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:25:55] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:25:55] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:25:55] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:25:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:25:56] [INFO ] Implicit Places using invariants in 24 ms returned []
[2026-05-25 14:25:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:25:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:25:56] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:25:56] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 14:25:56] [INFO ] Invariant cache hit.
[2026-05-25 14:25:56] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 124 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 168 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 296ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 296ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 351 ms. Remains : 15/15 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 10) seen :[2, 53, 1, 2, 3, 2, 55, 1, 75, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 149, 1, 2, 3, 2, 147, 1, 145, 3] Max Struct:[+inf, 153, +inf, +inf, +inf, +inf, 153, +inf, 153, +inf]
RANDOM walk for 40071 steps (8 resets) in 460 ms. (86 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 13/13 properties
[2026-05-25 14:25:56] [INFO ] Flatten gal took : 42 ms
[2026-05-25 14:25:56] [INFO ] Flatten gal took : 4 ms
BEST_FIRST walk for 40004 steps (8 resets) in 191 ms. (208 steps per ms) remains 13/13 properties
[2026-05-25 14:25:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15094107118399318415.gal : 5 ms
[2026-05-25 14:25:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3543349032382472811.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/ReachabilityCardinality15094107118399318415.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3543349032382472811.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 40003 steps (8 resets) in 117 ms. (339 steps per ms) remains 13/13 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality3543349032382472811.prop.
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,13 properties remain. new max is 64
SDD size :36 after 27216
BEST_FIRST walk for 40003 steps (8 resets) in 92 ms. (430 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 116 ms. (341 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 57 ms. (689 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 128
SDD size :27216 after 242742
BEST_FIRST walk for 40003 steps (8 resets) in 56 ms. (701 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 47 ms. (833 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 73 ms. (540 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
BEST_FIRST walk for 40003 steps (8 resets) in 89 ms. (444 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,13 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,13 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,13 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 229717 steps, run timeout after 3001 ms. (steps per millisecond=76 ) properties seen :0 out of 13
Probabilistic random walk after 229717 steps, saw 148220 distinct states, run finished after 3012 ms. (steps per millisecond=76 ) properties seen :0
[2026-05-25 14:26:00] [INFO ] Invariant cache hit.
[2026-05-25 14:26:00] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
At refinement iteration 1 (OVERLAPS) 3/13 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:26:00] [INFO ] Deduced a trap composed of 3 places in 30 ms of which 3 ms to minimize.
Problem MAX1 is UNSAT
Problem MAX6 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 21/34 variables, 13/15 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 6/21 constraints. Problems are: Problem set: 3 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 0/21 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 2/36 variables, 2/23 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 3 solved, 10 unsolved in 177 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 3/13 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 21/34 variables, 13/15 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/34 variables, 6/21 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/34 variables, 6/27 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/34 variables, 0/27 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 2/36 variables, 2/29 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 4/33 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/33 constraints. Problems are: Problem set: 3 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/33 constraints. Problems are: Problem set: 3 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 33 constraints, problems are : Problem set: 3 solved, 10 unsolved in 216 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 10/13 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 399ms problems are : Problem set: 3 solved, 10 unsolved
Fused 10 Parikh solutions to 4 different solutions.
Invariant property MIN6 does not hold.
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :3.25441e+09 after 5.96984e+09
Parikh walk visited 0 properties in 1911 ms.
Support contains 9 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:02] [INFO ] Invariant cache hit.
[2026-05-25 14:26:02] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 121 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 209 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 333ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 333ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 334 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40055 steps (8 resets) in 55 ms. (715 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 40 ms. (975 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 46 ms. (851 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 42 ms. (930 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 9/9 properties
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.15384e+10,7.14775,119484,2,4826,18,432948,18,0,117,464476,0
Total reachable state count : 41538421296

Verifying 13 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,7.14837,119484,1,0,18,432948,18,0,118,464476,0
Reachability property MAX1 does not hold.
No reachable states exhibit your property : MAX1

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX1,0,7.14888,119484,1,0,18,432948,18,0,118,464476,0
Invariant property MIN1 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN1,0,7.14904,119484,1,0,18,432948,18,0,118,464476,0
Invariant property MIN2 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN2,0,7.15115,119484,1,0,18,432948,18,0,118,464476,0
Invariant property MIN3 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN3,0,7.15184,119484,1,0,18,432948,18,0,118,464476,0
Invariant property MIN4 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN4,0,7.15382,119484,1,0,18,432948,18,0,118,464476,0
Invariant property MIN5 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN5,0,7.15626,119484,1,0,18,432948,18,0,118,464476,0
Reachability property MAX6 does not hold.
No reachable states exhibit your property : MAX6

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX6,0,7.15799,119484,1,0,18,432948,18,0,118,464476,0
Invariant property MIN6 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN6,30,7.15817,119484,2,33,18,432948,19,0,120,464476,0
Invariant property MIN7 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN7,0,7.1588,119484,1,0,18,432948,19,0,120,464476,0
Reachability property MAX8 does not hold.
No reachable states exhibit your property : MAX8

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX8,0,7.16235,119484,1,0,18,432948,19,0,120,464476,0
Invariant property MIN8 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN8,1,7.16254,119484,2,16,18,432948,19,0,121,464476,0
Invariant property MIN9 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN9,0,7.16266,119484,1,0,18,432948,19,0,121,464476,0
Interrupted probabilistic random walk after 344227 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 9
Probabilistic random walk after 344227 steps, saw 221999 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) properties seen :0
FORMULA Murphy-PT-D2N050-UpperBounds-15 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-10 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-06 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-05 3 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-03 1 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-02 149 TECHNIQUES REACHABILITY_MIN
FORMULA Murphy-PT-D2N050-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 8 queries.) : Max Seen:[147, 145] Max Struct:[153, 153]
Starting property specific reduction for Murphy-PT-D2N050-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[153]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[153]
[2026-05-25 14:26:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[153]
RANDOM walk for 10000 steps (2 resets) in 4 ms. (2000 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[59] Max Struct:[153]
[2026-05-25 14:26:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:26:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:05] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2026-05-25 14:26:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:26:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:05] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:26:05] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:05] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:05] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:05] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 16 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[59] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[124] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:05] [INFO ] Invariant cache hit.
[2026-05-25 14:26:05] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 287ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 287ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 288 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 14:26:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[124] Max Struct:[153]
RANDOM walk for 1000064 steps (2 resets) in 299 ms. (3333 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 286 ms. (3484 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[124] Max Struct:[153]
[2026-05-25 14:26:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:26:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:06] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:26:06] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:26:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:26:06] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:06] [INFO ] [Nat]Added 6 Read/Feed constraints in 31 ms returned sat
[2026-05-25 14:26:06] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:06] [INFO ] Added : 3 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[124] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:26:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:07] [INFO ] Implicit Places using invariants in 18 ms returned []
[2026-05-25 14:26:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:07] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:07] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:26:07] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:07] [INFO ] Invariant cache hit.
[2026-05-25 14:26:07] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 324ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 324ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 384 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 14:26:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[149] Max Struct:[153]
RANDOM walk for 1000007 steps (2 resets) in 290 ms. (3436 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 282 ms. (3533 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[149] Max Struct:[153]
[2026-05-25 14:26:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:26:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:07] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2026-05-25 14:26:07] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:26:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:08] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:08] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2026-05-25 14:26:08] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:08] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[149] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[149] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:26:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:08] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-25 14:26:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:08] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:26:08] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:08] [INFO ] Invariant cache hit.
[2026-05-25 14:26:08] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 104 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 178 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 299ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 299ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 373 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 14:26:08] [INFO ] Flatten gal took : 3 ms
RANDOM walk for 40077 steps (8 resets) in 37 ms. (1054 steps per ms) remains 2/2 properties
[2026-05-25 14:26:08] [INFO ] Flatten gal took : 7 ms
[2026-05-25 14:26:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17363714459104955674.gal : 1 ms
[2026-05-25 14:26:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7463949782050170799.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/ReachabilityCardinality17363714459104955674.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7463949782050170799.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7463949782050170799.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 27216
BEST_FIRST walk for 40002 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 1079844 steps, run timeout after 3001 ms. (steps per millisecond=359 ) properties seen :0 out of 2
Probabilistic random walk after 1079844 steps, saw 686878 distinct states, run finished after 3001 ms. (steps per millisecond=359 ) properties seen :0
[2026-05-25 14:26:11] [INFO ] Invariant cache hit.
[2026-05-25 14:26:11] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:26:11] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:11] [INFO ] Invariant cache hit.
[2026-05-25 14:26:11] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 108 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 173 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 300ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 301ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 303 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40053 steps (8 resets) in 21 ms. (1820 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.25441e+09 after 5.96984e+09
Interrupted probabilistic random walk after 2567357 steps, run timeout after 3001 ms. (steps per millisecond=855 ) properties seen :0 out of 1
Probabilistic random walk after 2567357 steps, saw 1617658 distinct states, run finished after 3003 ms. (steps per millisecond=854 ) properties seen :0
[2026-05-25 14:26:14] [INFO ] Invariant cache hit.
[2026-05-25 14:26:14] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/36 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 133 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:26:15] [INFO ] Deduced a trap composed of 3 places in 53 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 1 unsolved in 122 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 265ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 28 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:26:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:15] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-25 14:26:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:15] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:26:15] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:15] [INFO ] Invariant cache hit.
[2026-05-25 14:26:15] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 167 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 309ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 310ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 396 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 36 edges and 15 vertex of which 6 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Applied a total of 1 rules in 6 ms. Remains 6 /15 variables (removed 9) and now considering 9/21 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 9 rows 6 cols
[2026-05-25 14:26:15] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 14:26:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:15] [INFO ] After 40ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 14:26:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:15] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-25 14:26:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-25 14:26:15] [INFO ] After 30ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 14:26:15] [INFO ] After 33ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 14:26:15] [INFO ] After 80ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-25 14:26:15] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:26:15] [INFO ] Flatten gal took : 1 ms
[2026-05-25 14:26:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16310578665176493425.gal : 0 ms
[2026-05-25 14:26:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16439237517262861409.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/ReachabilityCardinality16310578665176493425.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16439237517262861409.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality16439237517262861409.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 9957
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :9957 after 46231
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3.21089e+06 after 3.21844e+06
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.15384e+10,7.60469,117780,2,4826,17,432940,8,0,107,464476,0
Total reachable state count : 41538421296

Verifying 2 reachability properties.
Reachability property MAX0 does not hold.
No reachable states exhibit your property : MAX0

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,0,7.6069,117780,1,0,17,432940,8,0,108,464476,0
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,7.60837,117780,1,0,17,432940,8,0,108,464476,0
ITS tools runner thread asked to quit. Dying gracefully.
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.68902e+07 after 1.68998e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :4.75696e+07 after 4.75802e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.02214e+08 after 1.02227e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.86117e+08 after 1.86118e+08
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,1.92308e+08,7.03125,121708,2,1266,21,382087,7,0,46,375963,0
Total reachable state count : 192307506

Verifying 1 reachability properties.
Invariant property MIN0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,0,7.03421,121708,1,0,21,382087,7,0,47,375963,0
Over-approximation ignoring read arcs solved -1 properties in 7199 ms.
FORMULA Murphy-PT-D2N050-UpperBounds-07 149 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D2N050-UpperBounds-07 in 16947 ms.
Starting property specific reduction for Murphy-PT-D2N050-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[50] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[50] Max Struct:[153]
Current structural bounds on expressions (Before main loop) : Max Seen:[50] Max Struct:[153]
// Phase 1: matrix 21 rows 15 cols
[2026-05-25 14:26:22] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[50] Max Struct:[153]
RANDOM walk for 10019 steps (2 resets) in 4 ms. (2003 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63] Max Struct:[153]
[2026-05-25 14:26:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:26:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:22] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:26:22] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:22] [INFO ] [Real]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:26:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:22] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2026-05-25 14:26:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2026-05-25 14:26:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2026-05-25 14:26:22] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[145] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:22] [INFO ] Invariant cache hit.
[2026-05-25 14:26:22] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 257 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 359ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 359ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 361 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 14:26:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[145] Max Struct:[153]
RANDOM walk for 1000009 steps (2 resets) in 305 ms. (3268 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 289 ms. (3448 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[145] Max Struct:[153]
[2026-05-25 14:26:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:26:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-25 14:26:23] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2026-05-25 14:26:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:26:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2026-05-25 14:26:23] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2026-05-25 14:26:23] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:23] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2026-05-25 14:26:24] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2026-05-25 14:26:24] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[145] Max Struct:[153]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[145] Max Struct:[153]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2026-05-25 14:26:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:24] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-25 14:26:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:26:24] [INFO ] State equation strengthened by 6 read => feed constraints.
[2026-05-25 14:26:24] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:26:24] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:24] [INFO ] Invariant cache hit.
[2026-05-25 14:26:24] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 275ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 275ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 338 ms. Remains : 15/15 places, 21/21 transitions.
[2026-05-25 14:26:24] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:26:24] [INFO ] Flatten gal took : 2 ms
[2026-05-25 14:26:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14281288585248049638.gal : 1 ms
[2026-05-25 14:26:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4763909569805725892.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/ReachabilityCardinality14281288585248049638.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4763909569805725892.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40084 steps (8 resets) in 38 ms. (1027 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality4763909569805725892.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 27216
BEST_FIRST walk for 40002 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :27216 after 242742
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :242742 after 6.73294e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :6.73294e+06 after 5.3497e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.3497e+07 after 2.91423e+08
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :2.91423e+08 after 1.05835e+09
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.05835e+09 after 3.25441e+09
Interrupted probabilistic random walk after 649704 steps, run timeout after 3001 ms. (steps per millisecond=216 ) properties seen :0 out of 2
Probabilistic random walk after 649704 steps, saw 417860 distinct states, run finished after 3001 ms. (steps per millisecond=216 ) properties seen :0
[2026-05-25 14:26:27] [INFO ] Invariant cache hit.
[2026-05-25 14:26:27] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:26:27] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 63 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2026-05-25 14:26:27] [INFO ] Invariant cache hit.
[2026-05-25 14:26:27] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 170 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 282ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 282ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 283 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40033 steps (8 resets) in 22 ms. (1740 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :3.25441e+09 after 5.96984e+09
Finished probabilistic random walk after 2064217 steps, run visited all 1 properties in 2369 ms. (steps per millisecond=871 )
Probabilistic random walk after 2064217 steps, saw 1310456 distinct states, run finished after 2374 ms. (steps per millisecond=869 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[145] Max Struct:[153]
Ending property specific reduction for Murphy-PT-D2N050-UpperBounds-14 in 7408 ms.
[2026-05-25 14:26:30] [INFO ] Flatten gal took : 3 ms
[2026-05-25 14:26:30] [INFO ] Applying decomposition
[2026-05-25 14:26:30] [INFO ] Flatten gal took : 3 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/graph16663792813035673777.txt' '-o' '/tmp/graph16663792813035673777.bin' '-w' '/tmp/graph16663792813035673777.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph16663792813035673777.bin' '-l' '-1' '-v' '-w' '/tmp/graph16663792813035673777.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:26:30] [INFO ] Decomposing Gal with order
[2026-05-25 14:26:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:26:30] [INFO ] Flatten gal took : 28 ms
[2026-05-25 14:26:30] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2026-05-25 14:26:30] [INFO ] Time to serialize gal into /tmp/UpperBounds5610024078662516015.gal : 1 ms
[2026-05-25 14:26:30] [INFO ] Time to serialize properties into /tmp/UpperBounds2281012735103327568.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/UpperBounds5610024078662516015.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2281012735103327568.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 ...283
Loading property file /tmp/UpperBounds2281012735103327568.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,4.15384e+10,198.631,1531640,819,525,369031,1.96603e+06,56,1.658e+06,35,6.16314e+06,0
Total reachable state count : 41538421296

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 149
Bounds property Murphy-PT-D2N050-UpperBounds-14 :0 <= i0.u2.p1_1 <= 149
FORMULA Murphy-PT-D2N050-UpperBounds-14 149 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Murphy-PT-D2N050-UpperBounds-14,0,203.816,1531640,1,0,369031,1.96603e+06,93,1.658e+06,193,6.16314e+06,866
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 261956 ms.

BK_STOP 1779719394609

--------------------
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="Murphy-PT-D2N050"
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 Murphy-PT-D2N050, 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 r207-tall-177969919700009"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D2N050.tgz
mv Murphy-PT-D2N050 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 ;