Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r139-smll-174876533200076.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is Murphy-PT-D4N025, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r139-smll-174876533200076
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 408K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 19K May 29 14:32 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-D4N025-UpperBounds-00
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-01
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-02
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-03
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-04
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-05
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-06
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-07
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-08
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-09
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-10
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-11
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-12
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-13
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-14
FORMULA_NAME Murphy-PT-D4N025-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748939767242

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D4N025
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202405141337
[2025-06-03 08:36:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 08:36:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 08:36:09] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2025-06-03 08:36:09] [INFO ] Transformed 30 places.
[2025-06-03 08:36:09] [INFO ] Transformed 35 transitions.
[2025-06-03 08:36:09] [INFO ] Parsed PT model containing 30 places and 35 transitions and 135 arcs in 271 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Current structural bounds on expressions (Initially) : Max Seen:[25, 3, 3, 1, 1, 1, 0, 1, 3, 1, 25, 0, 0, 0, 0, 1] 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:[25, 3, 3, 1, 1, 1, 0, 1, 3, 1, 25, 0, 0, 0, 0, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 35 rows 30 cols
[2025-06-03 08:36:09] [INFO ] Computed 6 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[25, 3, 3, 1, 1, 1, 0, 1, 3, 1, 25, 0, 0, 0, 0, 1] Max Struct:[130, +inf, +inf, 130, 130, 130, +inf, 130, +inf, 130, 130, +inf, +inf, +inf, +inf, 130]
RANDOM walk for 10002 steps (2 resets) in 37 ms. (263 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 187 ms. (851 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[56, 3, 3, 62, 60, 62, 1, 61, 3, 62, 60, 1, 2, 2, 2, 62] Max Struct:[130, +inf, +inf, 130, 130, 130, +inf, 130, +inf, 130, 130, +inf, +inf, +inf, +inf, 130]
[2025-06-03 08:36:09] [INFO ] Invariant cache hit.
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-03 08:36:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2025-06-03 08:36:10] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:36:10] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2025-06-03 08:36:10] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 8 ms.
[2025-06-03 08:36:10] [INFO ] Added : 0 causal constraints over 0 iterations in 26 ms. Result :sat
Minimization took 18 ms.
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Added 10 Read/Feed constraints in 7 ms returned sat
[2025-06-03 08:36:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:10] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-03 08:36:10] [INFO ] Added : 3 causal constraints over 1 iterations in 20 ms. Result :sat
Minimization took 8 ms.
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 9 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:36:10] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-03 08:36:10] [INFO ] Added : 3 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 10 ms.
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:36:10] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-03 08:36:10] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 15 ms.
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2025-06-03 08:36:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2025-06-03 08:36:10] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-03 08:36:10] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Minimization took 16 ms.
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:10] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-03 08:36:10] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:11] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 14 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:11] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:11] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 14 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:11] [INFO ] Added : 3 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 8 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:11] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 13 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:11] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Minimization took 12 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:11] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:11] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:11] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] Deduced a trap composed of 2 places in 44 ms of which 27 ms to minimize.
[2025-06-03 08:36:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2025-06-03 08:36:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 14 ms.
[2025-06-03 08:36:12] [INFO ] Added : 3 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 11 ms.
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:36:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:12] [INFO ] Deduced a trap composed of 2 places in 17 ms of which 2 ms to minimize.
[2025-06-03 08:36:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2025-06-03 08:36:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-03 08:36:12] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 7 ms.
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 3 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-03 08:36:12] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 15 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-03 08:36:12] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:12] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:12] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[56, 3, 3, 62, 60, 62, 1, 61, 3, 62, 60, 1, 2, 2, 2, 62] Max Struct:[130, +inf, +inf, 130, 130, 130, +inf, 130, +inf, 130, 130, +inf, +inf, +inf, +inf, 130]
FORMULA Murphy-PT-D4N025-UpperBounds-15 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Murphy-PT-D4N025-UpperBounds-03 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Murphy-PT-D4N025-UpperBounds-09 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Murphy-PT-D4N025-UpperBounds-07 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Murphy-PT-D4N025-UpperBounds-05 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA Murphy-PT-D4N025-UpperBounds-04 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[81, 3, 3, 1, 3, 79, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 13 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 08:36:13] [INFO ] Invariant cache hit.
[2025-06-03 08:36:13] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 46 constraints, problems are : Problem set: 0 solved, 20 unsolved in 439 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 20 unsolved in 365 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 845ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 856ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 892 ms. Remains : 30/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1, 24=1, 34=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {17=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 10) seen :[28, 3, 3, 1, 3, 31, 1, 2, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[81, 3, 3, 1, 3, 79, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
[2025-06-03 08:36:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[81, 3, 3, 1, 3, 79, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
RANDOM walk for 1000015 steps (2 resets) in 797 ms. (1253 steps per ms)
BEST_FIRST walk for 10000010 steps (20 resets) in 5776 ms. (1731 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[84, 3, 3, 1, 3, 79, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
[2025-06-03 08:36:20] [INFO ] Invariant cache hit.
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:20] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:36:20] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:20] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:20] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 13 ms.
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:20] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 7 ms.
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:20] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:20] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 10 ms.
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:20] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:21] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 10 ms.
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:21] [INFO ] Added : 3 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 08:36:21] [INFO ] Added : 2 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 14 ms.
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:21] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 8 ms.
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:21] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] Deduced a trap composed of 2 places in 19 ms of which 1 ms to minimize.
[2025-06-03 08:36:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:21] [INFO ] Added : 3 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:36:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:21] [INFO ] Deduced a trap composed of 2 places in 16 ms of which 1 ms to minimize.
[2025-06-03 08:36:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 21 ms
[2025-06-03 08:36:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:21] [INFO ] Added : 3 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[84, 3, 3, 1, 3, 79, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
Support contains 10 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 30/30 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:36:21] [INFO ] Invariant cache hit.
[2025-06-03 08:36:22] [INFO ] Implicit Places using invariants in 53 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 57 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 25/30 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 61 ms. Remains : 25/30 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {19=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 10) seen :[27, 3, 3, 1, 3, 30, 1, 2, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:36:22] [INFO ] Computed 1 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 670 ms. (1490 steps per ms)
BEST_FIRST walk for 10000008 steps (20 resets) in 4909 ms. (2036 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
[2025-06-03 08:36:27] [INFO ] Invariant cache hit.
[2025-06-03 08:36:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-03 08:36:27] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:36:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 5 ms returned sat
[2025-06-03 08:36:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:27] [INFO ] Added : 1 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 14 ms.
[2025-06-03 08:36:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:36:27] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:27] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 16 ms.
[2025-06-03 08:36:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:27] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:36:27] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:28] [INFO ] Added : 3 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:28] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 10 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:28] [INFO ] Added : 3 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 10 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:28] [INFO ] Deduced a trap composed of 5 places in 23 ms of which 2 ms to minimize.
[2025-06-03 08:36:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:28] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 10 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:28] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:28] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:36:28] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 9 ms.
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-03 08:36:28] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:36:28] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:36:28] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:36:28] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:36:28] [INFO ] Invariant cache hit.
[2025-06-03 08:36:28] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-03 08:36:28] [INFO ] Invariant cache hit.
[2025-06-03 08:36:28] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:36:28] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2025-06-03 08:36:28] [INFO ] Redundant transitions in 1 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:36:28] [INFO ] Invariant cache hit.
[2025-06-03 08:36:28] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 284 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 616ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 617ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 710 ms. Remains : 25/25 places, 35/35 transitions.
Found an invariant !
This invariant on transitions {19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {19=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 10) seen :[29, 3, 3, 1, 3, 30, 1, 2, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
[2025-06-03 08:36:30] [INFO ] Flatten gal took : 34 ms
RANDOM walk for 40049 steps (8 resets) in 1174 ms. (34 steps per ms) remains 12/12 properties
[2025-06-03 08:36:30] [INFO ] Flatten gal took : 19 ms
[2025-06-03 08:36:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9193622046132435003.gal : 7 ms
[2025-06-03 08:36:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3947386379786645091.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9193622046132435003.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3947386379786645091.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality3947386379786645091.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :90 after 3822
BEST_FIRST walk for 40003 steps (8 resets) in 490 ms. (81 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :3822 after 34242
BEST_FIRST walk for 40004 steps (8 resets) in 225 ms. (177 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :34242 after 6.33906e+07
BEST_FIRST walk for 40004 steps (8 resets) in 358 ms. (111 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 228 ms. (174 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40002 steps (8 resets) in 120 ms. (330 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 12/12 properties
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :6.33906e+07 after 1.93336e+11
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 78 ms. (506 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 83211 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :0 out of 12
Probabilistic random walk after 83211 steps, saw 59058 distinct states, run finished after 3006 ms. (steps per millisecond=27 ) properties seen :0
[2025-06-03 08:36:34] [INFO ] Invariant cache hit.
[2025-06-03 08:36:34] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 8/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
[2025-06-03 08:36:34] [INFO ] Deduced a trap composed of 5 places in 39 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX5 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 32/50 variables, 18/20 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 6/26 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 0/26 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 10/60 variables, 7/33 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 4/37 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 2 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 2 solved, 10 unsolved in 297 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 2 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 8/18 variables, 1/1 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 1/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 32/50 variables, 18/20 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 6/26 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 5/31 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/50 variables, 0/31 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 10/60 variables, 7/38 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/60 variables, 4/42 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 5/47 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/47 constraints. Problems are: Problem set: 2 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 47 constraints, problems are : Problem set: 2 solved, 10 unsolved in 372 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 10/12 constraints, Known Traps: 1/1 constraints]
After SMT, in 692ms problems are : Problem set: 2 solved, 10 unsolved
Fused 10 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 2633 ms.
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 08:36:37] [INFO ] Invariant cache hit.
[2025-06-03 08:36:37] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 311 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 281 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 602ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 603ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 605 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40049 steps (8 resets) in 85 ms. (465 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 70 ms. (563 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 46 ms. (851 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 172575 steps, run timeout after 3001 ms. (steps per millisecond=57 ) properties seen :0 out of 10
Probabilistic random walk after 172575 steps, saw 119600 distinct states, run finished after 3001 ms. (steps per millisecond=57 ) properties seen :0
[2025-06-03 08:36:41] [INFO ] Invariant cache hit.
[2025-06-03 08:36:41] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 8/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 32/50 variables, 18/19 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 10/60 variables, 7/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 4/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 10 unsolved in 182 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 8/18 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-06-03 08:36:41] [INFO ] Deduced a trap composed of 5 places in 20 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/18 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 32/50 variables, 18/20 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/50 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/50 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/50 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 10/60 variables, 7/38 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/60 variables, 4/42 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 5/47 constraints. Problems are: Problem set: 0 solved, 10 unsolved
[2025-06-03 08:36:41] [INFO ] Deduced a trap composed of 2 places in 17 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 1/48 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/60 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (OVERLAPS) 0/60 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 48 constraints, problems are : Problem set: 0 solved, 10 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 2/2 constraints]
After SMT, in 478ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 4 different solutions.
Parikh walk visited 0 properties in 1998 ms.
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:36:43] [INFO ] Invariant cache hit.
[2025-06-03 08:36:43] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-03 08:36:43] [INFO ] Invariant cache hit.
[2025-06-03 08:36:43] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:36:43] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2025-06-03 08:36:43] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:36:43] [INFO ] Invariant cache hit.
[2025-06-03 08:36:43] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 298 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 613ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 613ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 699 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running SMT prover for 10 properties.
[2025-06-03 08:36:44] [INFO ] Invariant cache hit.
[2025-06-03 08:36:44] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 08:36:44] [INFO ] After 47ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2025-06-03 08:36:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:36:44] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2025-06-03 08:36:44] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:36:44] [INFO ] After 33ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :10
TRAPS : Iteration 0
[2025-06-03 08:36:44] [INFO ] After 76ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
[2025-06-03 08:36:44] [INFO ] After 208ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
[2025-06-03 08:36:44] [INFO ] Flatten gal took : 10 ms
[2025-06-03 08:36:44] [INFO ] Flatten gal took : 10 ms
[2025-06-03 08:36:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15536807171205856807.gal : 7 ms
[2025-06-03 08:36:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9447902231685580554.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15536807171205856807.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9447902231685580554.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality9447902231685580554.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :96 after 5802
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :5802 after 38358
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :38358 after 8.6937e+07
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :8.6937e+07 after 2.35386e+11
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :2.35386e+11 after 9.85588e+11
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :9.85588e+11 after 2.00538e+12
Detected timeout of ITS tools.
[2025-06-03 08:36:59] [INFO ] Flatten gal took : 8 ms
[2025-06-03 08:36:59] [INFO ] Applying decomposition
[2025-06-03 08:36:59] [INFO ] Flatten gal took : 6 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph5348951239709021147.txt' '-o' '/tmp/graph5348951239709021147.bin' '-w' '/tmp/graph5348951239709021147.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph5348951239709021147.bin' '-l' '-1' '-v' '-w' '/tmp/graph5348951239709021147.weights' '-q' '0' '-e' '0.001'
[2025-06-03 08:37:00] [INFO ] Decomposing Gal with order
[2025-06-03 08:37:00] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 08:37:00] [INFO ] Flatten gal took : 48 ms
[2025-06-03 08:37:00] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-03 08:37:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1324212517827354058.gal : 3 ms
[2025-06-03 08:37:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3010890894595545170.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1324212517827354058.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3010890894595545170.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality3010890894595545170.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :19 after 286
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :286 after 39234
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :39234 after 3.39288e+09
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :3.39288e+09 after 5.31634e+10
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :5.31634e+10 after 5.62136e+10
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :5.62136e+10 after 5.69012e+10
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :5.69012e+10 after 5.7973e+10
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :5.7973e+10 after 1.88321e+11
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :1.93336e+11 after 8.28437e+11
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30560 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 08:37:15] [INFO ] Flatten gal took : 4 ms
[2025-06-03 08:37:15] [INFO ] Applying decomposition
[2025-06-03 08:37:15] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph12612554382193249828.txt' '-o' '/tmp/graph12612554382193249828.bin' '-w' '/tmp/graph12612554382193249828.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph12612554382193249828.bin' '-l' '-1' '-v' '-w' '/tmp/graph12612554382193249828.weights' '-q' '0' '-e' '0.001'
[2025-06-03 08:37:15] [INFO ] Decomposing Gal with order
[2025-06-03 08:37:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 08:37:15] [INFO ] Flatten gal took : 6 ms
[2025-06-03 08:37:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-03 08:37:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18031225955429362914.gal : 2 ms
[2025-06-03 08:37:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10444984645027848717.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18031225955429362914.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10444984645027848717.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality10444984645027848717.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :19 after 286
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :286 after 35334
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :35334 after 2.28625e+11
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :2.28625e+11 after 2.45136e+11
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :2.45136e+11 after 7.92685e+11
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :7.92685e+11 after 8.16625e+11
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :8.16625e+11 after 1.66777e+12
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :1.66777e+12 after 3.55384e+12
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :3.55384e+12 after 6.55685e+12
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128, 3, 3, 1, 3, 128, 1, 2, 2, 2] Max Struct:[130, +inf, +inf, +inf, +inf, 130, +inf, +inf, +inf, +inf]
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[130]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[130]
[2025-06-03 08:38:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[130]
RANDOM walk for 10003 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[52] Max Struct:[130]
[2025-06-03 08:38:05] [INFO ] Invariant cache hit.
[2025-06-03 08:38:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:05] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:38:05] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:05] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:38:05] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:05] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:38:05] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:38:05] [INFO ] Added : 0 causal constraints over 0 iterations in 8 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[52] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[79] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:05] [INFO ] Invariant cache hit.
[2025-06-03 08:38:05] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 349 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 347 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 719ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 719ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 722 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[79] Max Struct:[130]
RANDOM walk for 1000004 steps (2 resets) in 624 ms. (1600 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 528 ms. (1890 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[80] Max Struct:[130]
[2025-06-03 08:38:07] [INFO ] Invariant cache hit.
[2025-06-03 08:38:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:07] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:38:07] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:38:07] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-03 08:38:07] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:07] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:38:07] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:38:07] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[80] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[80] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:07] [INFO ] Invariant cache hit.
[2025-06-03 08:38:07] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-03 08:38:07] [INFO ] Invariant cache hit.
[2025-06-03 08:38:07] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:07] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2025-06-03 08:38:07] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:07] [INFO ] Invariant cache hit.
[2025-06-03 08:38:07] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 464 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 418 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 921ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 922ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1053 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[80] Max Struct:[130]
RANDOM walk for 1000000 steps (2 resets) in 617 ms. (1618 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 473 ms. (2109 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[86] Max Struct:[130]
[2025-06-03 08:38:09] [INFO ] Invariant cache hit.
[2025-06-03 08:38:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:09] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:38:09] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:09] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-03 08:38:09] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:09] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:38:09] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:38:09] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[86] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[86] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:09] [INFO ] Invariant cache hit.
[2025-06-03 08:38:09] [INFO ] Implicit Places using invariants in 35 ms returned []
[2025-06-03 08:38:09] [INFO ] Invariant cache hit.
[2025-06-03 08:38:09] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:09] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2025-06-03 08:38:09] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:09] [INFO ] Invariant cache hit.
[2025-06-03 08:38:09] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 364 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 779ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 781ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 886 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[86] Max Struct:[130]
RANDOM walk for 1000000 steps (2 resets) in 645 ms. (1547 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 470 ms. (2123 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[86] Max Struct:[130]
[2025-06-03 08:38:11] [INFO ] Invariant cache hit.
[2025-06-03 08:38:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:11] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-03 08:38:11] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:11] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:38:11] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:11] [INFO ] [Nat]Added 10 Read/Feed constraints in 7 ms returned sat
[2025-06-03 08:38:11] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:38:11] [INFO ] Added : 1 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[86] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[86] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 3 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:11] [INFO ] Invariant cache hit.
[2025-06-03 08:38:11] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-03 08:38:11] [INFO ] Invariant cache hit.
[2025-06-03 08:38:12] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:12] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2025-06-03 08:38:12] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:12] [INFO ] Invariant cache hit.
[2025-06-03 08:38:12] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 454 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 492 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 959ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 960ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1085 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:13] [INFO ] Flatten gal took : 9 ms
[2025-06-03 08:38:13] [INFO ] Flatten gal took : 7 ms
[2025-06-03 08:38:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2189520608810194429.gal : 2 ms
[2025-06-03 08:38:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1135122009800333497.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2189520608810194429.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1135122009800333497.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40010 steps (8 resets) in 90 ms. (439 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1135122009800333497.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 3822
BEST_FIRST walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :3822 after 34242
BEST_FIRST walk for 40003 steps (8 resets) in 55 ms. (714 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :34242 after 6.33906e+07
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :6.33906e+07 after 1.93336e+11
Interrupted probabilistic random walk after 657184 steps, run timeout after 3001 ms. (steps per millisecond=218 ) properties seen :0 out of 2
Probabilistic random walk after 657184 steps, saw 458391 distinct states, run finished after 3003 ms. (steps per millisecond=218 ) properties seen :0
[2025-06-03 08:38:16] [INFO ] Invariant cache hit.
[2025-06-03 08:38:16] [INFO ] State equation strengthened by 10 read => feed constraints.
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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-03 08:38:16] [INFO ] Deduced a trap composed of 5 places in 21 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 1 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 1/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 38 constraints, problems are : Problem set: 1 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 155ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 2234 steps, including 27 resets, run visited all 1 properties in 4 ms. (steps per millisecond=558 )
Parikh walk visited 1 properties in 10 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[86] Max Struct:[130]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-00 in 11046 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:16] [INFO ] Invariant cache hit.
[2025-06-03 08:38:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:16] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:38:16] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:16] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:38:16] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:16] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:38:16] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:38:16] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 08:38:16] [INFO ] Added : 3 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.1 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 23 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:38:16] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 08:38:16] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 37 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 39 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 92ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 349 ms. (2857 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 482 ms. (2070 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:17] [INFO ] Invariant cache hit.
[2025-06-03 08:38:17] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2025-06-03 08:38:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:17] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:17] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 08:38:17] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:17] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:38:17] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:38:17] [INFO ] Invariant cache hit.
[2025-06-03 08:38:17] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 08:38:17] [INFO ] Invariant cache hit.
[2025-06-03 08:38:17] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:17] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2025-06-03 08:38:17] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:38:17] [INFO ] Invariant cache hit.
[2025-06-03 08:38:17] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 36 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 39 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 87ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 87ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:17] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:38:17] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:38:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15354381282112724825.gal : 1 ms
[2025-06-03 08:38:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7158566662015511997.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15354381282112724825.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7158566662015511997.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7158566662015511997.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,6,0.002127,3808,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.002347,3808,1,0,5,44,7,0,25,26,0
RANDOM walk for 40000 steps (8 resets) in 255 ms. (156 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40001 steps (8 resets) in 130 ms. (305 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 8 ms. (steps per millisecond=1 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 2 ms. (steps per millisecond=7 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-01 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-01 in 1468 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:38:17] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10007 steps (2 resets) in 8 ms. (1111 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:17] [INFO ] Invariant cache hit.
[2025-06-03 08:38:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:17] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:38:17] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 15 ms returned sat
[2025-06-03 08:38:18] [INFO ] [Nat]Absence check using state equation in 121 ms returned sat
[2025-06-03 08:38:18] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:18] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:38:18] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:38:18] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.1 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 3 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:38:18] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 08:38:18] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 46 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 99ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 99ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 303 ms. (3289 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 227 ms. (4385 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:18] [INFO ] Invariant cache hit.
[2025-06-03 08:38:18] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 08:38:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:18] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:18] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:18] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-03 08:38:18] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-03 08:38:18] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:38:18] [INFO ] Added : 3 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:38:18] [INFO ] Invariant cache hit.
[2025-06-03 08:38:18] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-03 08:38:18] [INFO ] Invariant cache hit.
[2025-06-03 08:38:18] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:18] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
[2025-06-03 08:38:18] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:38:18] [INFO ] Invariant cache hit.
[2025-06-03 08:38:18] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 47 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 64 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 154 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:19] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:38:19] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:38:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17742074047570128044.gal : 2 ms
[2025-06-03 08:38:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6262606176451977080.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17742074047570128044.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6262606176451977080.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40001 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6262606176451977080.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,6,0.003371,3808,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.003752,3808,1,0,5,44,7,0,25,26,0
BEST_FIRST walk for 40002 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 2 ms. (steps per millisecond=7 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-02 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-02 in 1319 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:38:19] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10014 steps (2 resets) in 11 ms. (834 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:38:19] [INFO ] Invariant cache hit.
[2025-06-03 08:38:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:19] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-03 08:38:19] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:19] [INFO ] [Real]Added 10 Read/Feed constraints in 5 ms returned sat
[2025-06-03 08:38:19] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:19] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-03 08:38:19] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:38:19] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-03 08:38:19] [INFO ] Added : 1 causal constraints over 1 iterations in 22 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 2 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:38:19] [INFO ] Computed 0 invariants in 1 ms
[2025-06-03 08:38:19] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 58 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 70 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 134ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=1111 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:38:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 484 ms. (2061 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 373 ms. (2673 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:38:20] [INFO ] Invariant cache hit.
[2025-06-03 08:38:20] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 08:38:20] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:20] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:20] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 08:38:20] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:38:20] [INFO ] Added : 3 causal constraints over 2 iterations in 8 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:38:20] [INFO ] Invariant cache hit.
[2025-06-03 08:38:20] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 08:38:20] [INFO ] Invariant cache hit.
[2025-06-03 08:38:20] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:20] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2025-06-03 08:38:20] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:38:20] [INFO ] Invariant cache hit.
[2025-06-03 08:38:20] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 58 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 52 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:38:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 08:38:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:38:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4638672406540196871.gal : 1 ms
[2025-06-03 08:38:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7904623359846291691.prop : 4 ms
RANDOM walk for 40000 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4638672406540196871.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7904623359846291691.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7904623359846291691.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,6,0.003138,3808,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.003471,3808,1,0,5,44,7,0,25,26,0
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-06 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-06 in 1560 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[3] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:38:20] [INFO ] Computed 1 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:20] [INFO ] Invariant cache hit.
[2025-06-03 08:38:20] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:38:20] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2025-06-03 08:38:20] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:20] [INFO ] [Real]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:38:20] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:20] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:38:20] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:38:20] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:38:20] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:38:20] [INFO ] Computed 0 invariants in 1 ms
[2025-06-03 08:38:20] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 52 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 61 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 116ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 118ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 119 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 283 ms. (3521 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 223 ms. (4464 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:21] [INFO ] Invariant cache hit.
[2025-06-03 08:38:21] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 08:38:21] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:21] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:21] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 08:38:21] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:38:21] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:38:21] [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:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:38:21] [INFO ] Invariant cache hit.
[2025-06-03 08:38:21] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-03 08:38:21] [INFO ] Invariant cache hit.
[2025-06-03 08:38:21] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:38:21] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2025-06-03 08:38:21] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:38:21] [INFO ] Invariant cache hit.
[2025-06-03 08:38:21] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 61 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 60 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 125ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 125ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 178 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-03 08:38:21] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:38:21] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 40002 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
[2025-06-03 08:38:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11554351155247513512.gal : 2 ms
[2025-06-03 08:38:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11532723060502274629.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11554351155247513512.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11532723060502274629.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11532723060502274629.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,6,0.002491,3812,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.002702,3812,1,0,5,44,7,0,25,26,0
BEST_FIRST walk for 40001 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 6 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-08 3 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-08 in 1182 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[130]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[130]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:38:21] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[130]
RANDOM walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[56] Max Struct:[130]
[2025-06-03 08:38:21] [INFO ] Invariant cache hit.
[2025-06-03 08:38:21] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:38:21] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-03 08:38:21] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:21] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-03 08:38:21] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:21] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:38:21] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:38:21] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[56] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[77] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:21] [INFO ] Invariant cache hit.
[2025-06-03 08:38:21] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 432 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 495 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 935ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 936ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 938 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[77] Max Struct:[130]
RANDOM walk for 1000021 steps (2 resets) in 985 ms. (1014 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 464 ms. (2150 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[88] Max Struct:[130]
[2025-06-03 08:38:24] [INFO ] Invariant cache hit.
[2025-06-03 08:38:24] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:38:24] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:38:24] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:38:24] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:38:24] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:24] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:38:24] [INFO ] Deduced a trap composed of 5 places in 18 ms of which 1 ms to minimize.
[2025-06-03 08:38:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2025-06-03 08:38:24] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:38:24] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[88] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[124] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:24] [INFO ] Invariant cache hit.
[2025-06-03 08:38:24] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-03 08:38:24] [INFO ] Invariant cache hit.
[2025-06-03 08:38:24] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:24] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2025-06-03 08:38:24] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:24] [INFO ] Invariant cache hit.
[2025-06-03 08:38:24] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 311 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 450 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 779ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 780ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 874 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[124] Max Struct:[130]
RANDOM walk for 1000001 steps (2 resets) in 975 ms. (1024 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 462 ms. (2159 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[124] Max Struct:[130]
[2025-06-03 08:38:26] [INFO ] Invariant cache hit.
[2025-06-03 08:38:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:26] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:38:26] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:26] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-03 08:38:26] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:26] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:38:26] [INFO ] Deduced a trap composed of 5 places in 18 ms of which 1 ms to minimize.
[2025-06-03 08:38:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 23 ms
[2025-06-03 08:38:26] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:38:26] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[124] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:26] [INFO ] Invariant cache hit.
[2025-06-03 08:38:27] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-03 08:38:27] [INFO ] Invariant cache hit.
[2025-06-03 08:38:27] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:27] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2025-06-03 08:38:27] [INFO ] Redundant transitions in 1 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:27] [INFO ] Invariant cache hit.
[2025-06-03 08:38:27] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 288 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 750ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 750ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 844 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[130]
RANDOM walk for 1000000 steps (2 resets) in 811 ms. (1231 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[130]
[2025-06-03 08:38:29] [INFO ] Invariant cache hit.
[2025-06-03 08:38:29] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2025-06-03 08:38:29] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:38:29] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:38:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:29] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-03 08:38:29] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:29] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:38:29] [INFO ] Deduced a trap composed of 5 places in 25 ms of which 2 ms to minimize.
[2025-06-03 08:38:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 33 ms
[2025-06-03 08:38:29] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:38:29] [INFO ] Added : 1 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:29] [INFO ] Invariant cache hit.
[2025-06-03 08:38:29] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-03 08:38:29] [INFO ] Invariant cache hit.
[2025-06-03 08:38:29] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:29] [INFO ] Implicit Places using invariants and state equation in 66 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
[2025-06-03 08:38:29] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:29] [INFO ] Invariant cache hit.
[2025-06-03 08:38:29] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 486 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 499 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 997ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 998ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1115 ms. Remains : 25/25 places, 35/35 transitions.
[2025-06-03 08:38:30] [INFO ] Flatten gal took : 5 ms
[2025-06-03 08:38:30] [INFO ] Flatten gal took : 4 ms
RANDOM walk for 40033 steps (8 resets) in 86 ms. (460 steps per ms) remains 2/2 properties
[2025-06-03 08:38:30] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17366762810533791738.gal : 14 ms
[2025-06-03 08:38:30] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15028265650628541193.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality17366762810533791738.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15028265650628541193.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality15028265650628541193.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 6
BEST_FIRST walk for 40003 steps (8 resets) in 71 ms. (555 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :90 after 3822
BEST_FIRST walk for 40004 steps (8 resets) in 60 ms. (655 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :3822 after 34242
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :34242 after 6.33906e+07
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :6.33906e+07 after 1.93336e+11
Interrupted probabilistic random walk after 500063 steps, run timeout after 3022 ms. (steps per millisecond=165 ) properties seen :0 out of 2
Probabilistic random walk after 500063 steps, saw 347669 distinct states, run finished after 3022 ms. (steps per millisecond=165 ) properties seen :0
[2025-06-03 08:38:33] [INFO ] Invariant cache hit.
[2025-06-03 08:38:33] [INFO ] State equation strengthened by 10 read => feed constraints.
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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2025-06-03 08:38:33] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 1 solved, 1 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 1/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/38 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 38 constraints, problems are : Problem set: 1 solved, 1 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints]
After SMT, in 134ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 27 ms.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:33] [INFO ] Invariant cache hit.
[2025-06-03 08:38:33] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 282 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 288 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 576ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 577ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 580 ms. Remains : 25/25 places, 35/35 transitions.
RANDOM walk for 40007 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1752125 steps, run timeout after 3001 ms. (steps per millisecond=583 ) properties seen :0 out of 1
Probabilistic random walk after 1752125 steps, saw 1224820 distinct states, run finished after 3001 ms. (steps per millisecond=583 ) properties seen :0
[2025-06-03 08:38:37] [INFO ] Invariant cache hit.
[2025-06-03 08:38:37] [INFO ] State equation strengthened by 10 read => feed constraints.
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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
[2025-06-03 08:38:37] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 37 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/35 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 5/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 25/60 variables, 15/37 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 38 constraints, problems are : Problem set: 0 solved, 1 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints]
After SMT, in 173ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 31 ms.
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 2 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 25/25 places, 35/35 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-03 08:38:37] [INFO ] Invariant cache hit.
[2025-06-03 08:38:37] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-03 08:38:37] [INFO ] Invariant cache hit.
[2025-06-03 08:38:37] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:38:37] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2025-06-03 08:38:37] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-03 08:38:37] [INFO ] Invariant cache hit.
[2025-06-03 08:38:37] [INFO ] State equation strengthened by 10 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 20 unsolved in 290 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (OVERLAPS) 5/20 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/20 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (OVERLAPS) 35/55 variables, 20/21 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 10/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/55 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (OVERLAPS) 5/60 variables, 5/36 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 20/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/60 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 56 constraints, problems are : Problem set: 0 solved, 20 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints]
After SMT, in 614ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 615ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 715 ms. Remains : 25/25 places, 35/35 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 60 edges and 25 vertex of which 10 are kept as prefixes of interest. Removing 15 places using SCC suffix rule.0 ms
Discarding 15 places :
Also discarding 20 output transitions
Drop transitions (Output transitions of discarded places.) removed 20 transitions
Applied a total of 1 rules in 2 ms. Remains 10 /25 variables (removed 15) and now considering 15/35 (removed 20) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 15 rows 10 cols
[2025-06-03 08:38:38] [INFO ] Computed 1 invariants in 1 ms
[2025-06-03 08:38:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:38:38] [INFO ] After 19ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2025-06-03 08:38:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 08:38:38] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-03 08:38:38] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 08:38:38] [INFO ] After 3ms SMT Verify possible using 5 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-03 08:38:38] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-03 08:38:38] [INFO ] After 35ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-03 08:38:38] [INFO ] Flatten gal took : 2 ms
[2025-06-03 08:38:38] [INFO ] Flatten gal took : 2 ms
[2025-06-03 08:38:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1264399496618028660.gal : 1 ms
[2025-06-03 08:38:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13924522073852519375.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1264399496618028660.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13924522073852519375.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality13924522073852519375.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 1651
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :1651 after 6479
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :6479 after 2.44742e+06
Detected timeout of ITS tools.
[2025-06-03 08:38:53] [INFO ] Flatten gal took : 2 ms
[2025-06-03 08:38:53] [INFO ] Applying decomposition
[2025-06-03 08:38:53] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph10617675398319974788.txt' '-o' '/tmp/graph10617675398319974788.bin' '-w' '/tmp/graph10617675398319974788.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph10617675398319974788.bin' '-l' '-1' '-v' '-w' '/tmp/graph10617675398319974788.weights' '-q' '0' '-e' '0.001'
[2025-06-03 08:38:53] [INFO ] Decomposing Gal with order
[2025-06-03 08:38:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 08:38:53] [INFO ] Flatten gal took : 4 ms
[2025-06-03 08:38:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 08:38:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12055493579806457569.gal : 3 ms
[2025-06-03 08:38:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3576065952345789381.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12055493579806457569.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3576065952345789381.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality3576065952345789381.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 286
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :286 after 39234
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :39234 after 8.61261e+07
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8.8882e+10 after 8.91341e+10
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :8.91341e+10 after 8.92517e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :8.92517e+10 after 8.92934e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8.92934e+10 after 8.95557e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8.95557e+10 after 8.95561e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.72463e+11 after 1.79885e+11
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30154 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 08:39:08] [INFO ] Flatten gal took : 3 ms
[2025-06-03 08:39:08] [INFO ] Applying decomposition
[2025-06-03 08:39:08] [INFO ] Flatten gal took : 3 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph16893166830144123705.txt' '-o' '/tmp/graph16893166830144123705.bin' '-w' '/tmp/graph16893166830144123705.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph16893166830144123705.bin' '-l' '-1' '-v' '-w' '/tmp/graph16893166830144123705.weights' '-q' '0' '-e' '0.001'
[2025-06-03 08:39:08] [INFO ] Decomposing Gal with order
[2025-06-03 08:39:08] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 08:39:08] [INFO ] Flatten gal took : 4 ms
[2025-06-03 08:39:08] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-03 08:39:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14717131713404115866.gal : 2 ms
[2025-06-03 08:39:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12928566252861241335.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14717131713404115866.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12928566252861241335.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality12928566252861241335.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 72
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :72 after 252
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :252 after 576
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :576 after 7488
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :7488 after 389376
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :389376 after 1.51519e+12
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.51519e+12 after 3.26561e+13
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :3.26561e+13 after 6.03997e+13
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.03997e+13 after 6.12341e+13
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6.12341e+13 after 6.20047e+13
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.20047e+13 after 6.3529e+13
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :6.3529e+13 after 6.48044e+13
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128] Max Struct:[130]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-10 in 96882 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:39:58] [INFO ] Computed 1 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10009 steps (2 resets) in 8 ms. (1112 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 61 ms. (161 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:39:58] [INFO ] Invariant cache hit.
[2025-06-03 08:39:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:39:58] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:39:58] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:39:58] [INFO ] [Real]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:39:58] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:39:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:39:58] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:39:58] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:39:58] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:39:58] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:39:58] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 08:39:58] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 42 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 39 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 92ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 93ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:39:58] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 322 ms. (3095 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 268 ms. (3717 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:39:59] [INFO ] Invariant cache hit.
[2025-06-03 08:39:59] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 08:39:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:39:59] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:39:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:39:59] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 08:39:59] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:39:59] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:39:59] [INFO ] Added : 3 causal constraints over 2 iterations in 5 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:39:59] [INFO ] Invariant cache hit.
[2025-06-03 08:39:59] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-03 08:39:59] [INFO ] Invariant cache hit.
[2025-06-03 08:39:59] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:39:59] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2025-06-03 08:39:59] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:39:59] [INFO ] Invariant cache hit.
[2025-06-03 08:39:59] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 36 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 41 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 80ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 80ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 120 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=2000 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-03 08:39:59] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:39:59] [INFO ] Flatten gal took : 0 ms
[2025-06-03 08:39:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8821117233933813403.gal : 1 ms
[2025-06-03 08:39:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15839801731322427181.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality8821117233933813403.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15839801731322427181.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

RANDOM walk for 40002 steps (8 resets) in 36 ms. (1081 steps per ms) remains 1/1 properties
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality15839801731322427181.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,6,0.003121,3812,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.003436,3812,1,0,5,44,7,0,25,26,0
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 2 ms. (steps per millisecond=7 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-11 1 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-11 in 1123 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:39:59] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 8 ms. (1111 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:39:59] [INFO ] Invariant cache hit.
[2025-06-03 08:39:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:39:59] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-03 08:39:59] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:39:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:39:59] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:39:59] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:39:59] [INFO ] [Nat]Added 10 Read/Feed constraints in 4 ms returned sat
[2025-06-03 08:39:59] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-03 08:39:59] [INFO ] Added : 2 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 2 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:39:59] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 08:39:59] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 58 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 55 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 126ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 126ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 479 ms. (2083 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 318 ms. (3134 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:00] [INFO ] Invariant cache hit.
[2025-06-03 08:40:00] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2025-06-03 08:40:00] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:40:00] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:40:00] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:40:00] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-03 08:40:00] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-03 08:40:00] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:40:00] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:40:00] [INFO ] Invariant cache hit.
[2025-06-03 08:40:01] [INFO ] Implicit Places using invariants in 12 ms returned []
[2025-06-03 08:40:01] [INFO ] Invariant cache hit.
[2025-06-03 08:40:01] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:40:01] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 31 ms to find 0 implicit places.
[2025-06-03 08:40:01] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:40:01] [INFO ] Invariant cache hit.
[2025-06-03 08:40:01] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 38 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 43 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:01] [INFO ] Flatten gal took : 0 ms
[2025-06-03 08:40:01] [INFO ] Flatten gal took : 0 ms
[2025-06-03 08:40:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2060569131149188496.gal : 1 ms
[2025-06-03 08:40:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6633840125380714704.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2060569131149188496.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6633840125380714704.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality6633840125380714704.prop.
RANDOM walk for 40000 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 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,6,0.00216,3812,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.002651,3812,1,0,5,44,7,0,25,26,0
BEST_FIRST walk for 40003 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-12 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-12 in 1354 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:40:01] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10013 steps (2 resets) in 6 ms. (1430 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:01] [INFO ] Invariant cache hit.
[2025-06-03 08:40:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:40:01] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 08:40:01] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:40:01] [INFO ] [Real]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:40:01] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:40:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:40:01] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-03 08:40:01] [INFO ] [Nat]Added 10 Read/Feed constraints in 2 ms returned sat
[2025-06-03 08:40:01] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 08:40:01] [INFO ] Added : 2 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 0 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:40:01] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 08:40:01] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 34 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 41 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 78ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 78ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 79 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=1428 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 475 ms. (2100 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 212 ms. (4694 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:02] [INFO ] Invariant cache hit.
[2025-06-03 08:40:02] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2025-06-03 08:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:40:02] [INFO ] [Real]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-03 08:40:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:40:02] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-03 08:40:02] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:40:02] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:40:02] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 2 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:40:02] [INFO ] Invariant cache hit.
[2025-06-03 08:40:02] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-03 08:40:02] [INFO ] Invariant cache hit.
[2025-06-03 08:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:40:02] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
[2025-06-03 08:40:02] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:40:02] [INFO ] Invariant cache hit.
[2025-06-03 08:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 37 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 42 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 80ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 80ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 121 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
[2025-06-03 08:40:02] [INFO ] Flatten gal took : 4 ms
[2025-06-03 08:40:02] [INFO ] Flatten gal took : 0 ms
BEST_FIRST walk for 40003 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
[2025-06-03 08:40:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11073317672371696668.gal : 1 ms
[2025-06-03 08:40:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2885488060249983992.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11073317672371696668.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2885488060249983992.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2885488060249983992.prop.
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 6 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
ITS runner timed out or was interrupted.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,6,0.002947,3812,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.00317,3812,1,0,5,44,7,0,25,26,0
FORMULA Murphy-PT-D4N025-UpperBounds-13 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-13 in 1139 ms.
Starting property specific reduction for Murphy-PT-D4N025-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 35 rows 25 cols
[2025-06-03 08:40:02] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 7 ms. (1250 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:02] [INFO ] Invariant cache hit.
[2025-06-03 08:40:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 08:40:02] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-03 08:40:02] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:40:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 08:40:02] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2025-06-03 08:40:02] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-03 08:40:02] [INFO ] [Nat]Added 10 Read/Feed constraints in 3 ms returned sat
[2025-06-03 08:40:02] [INFO ] Computed and/alt/rep : 20/50/20 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 08:40:02] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 3 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.0 ms
Discarding 22 places :
Also discarding 30 output transitions
Drop transitions (Output transitions of discarded places.) removed 30 transitions
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 3 transition count 4
Applied a total of 2 rules in 1 ms. Remains 3 /25 variables (removed 22) and now considering 4/35 (removed 31) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-03 08:40:02] [INFO ] Computed 0 invariants in 0 ms
[2025-06-03 08:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 61 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 51 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 117 ms. Remains : 3/25 places, 4/35 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 483 ms. (2066 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 367 ms. (2717 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:03] [INFO ] Invariant cache hit.
[2025-06-03 08:40:03] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 08:40:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:40:03] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:40:03] [INFO ] Solution in real domain found non-integer solution.
[2025-06-03 08:40:03] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 08:40:03] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-03 08:40:03] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 08:40:03] [INFO ] Added : 2 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 3 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 3/3 places, 4/4 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3/3 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-03 08:40:03] [INFO ] Invariant cache hit.
[2025-06-03 08:40:03] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 08:40:03] [INFO ] Invariant cache hit.
[2025-06-03 08:40:03] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-03 08:40:03] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2025-06-03 08:40:03] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 08:40:03] [INFO ] Invariant cache hit.
[2025-06-03 08:40:03] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/7 variables, and 4 constraints, problems are : Problem set: 0 solved, 3 unsolved in 57 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 1/7 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/7 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/7 variables, and 7 constraints, problems are : Problem set: 0 solved, 3 unsolved in 62 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 123ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 3/3 places, 4/4 transitions.
Found an invariant !
This invariant on transitions {0=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 6 ms. (steps per millisecond=1666 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-03 08:40:03] [INFO ] Flatten gal took : 0 ms
[2025-06-03 08:40:03] [INFO ] Flatten gal took : 1 ms
[2025-06-03 08:40:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12432942079808283727.gal : 1 ms
[2025-06-03 08:40:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5359357665224260647.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12432942079808283727.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5359357665224260647.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40001 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties

BEST_FIRST walk for 40001 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5359357665224260647.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,6,0.003057,3812,2,8,5,44,7,0,24,26,0
Total reachable state count : 6

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
MIN0,0,0.003378,3812,1,0,5,44,7,0,25,26,0
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 5 ms. (steps per millisecond=2 ) properties seen :0
Explored full state space saw : 6 states, properties seen :0
Exhaustive walk after 14 steps, saw 6 distinct states, run finished after 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D4N025-UpperBounds-14 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Murphy-PT-D4N025-UpperBounds-14 in 1454 ms.
[2025-06-03 08:40:03] [INFO ] Flatten gal took : 3 ms
[2025-06-03 08:40:03] [INFO ] Applying decomposition
[2025-06-03 08:40:03] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/convert-linux64' '-i' '/tmp/graph18139010113240377460.txt' '-o' '/tmp/graph18139010113240377460.bin' '-w' '/tmp/graph18139010113240377460.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202405141337/bin/louvain-linux64' '/tmp/graph18139010113240377460.bin' '-l' '-1' '-v' '-w' '/tmp/graph18139010113240377460.weights' '-q' '0' '-e' '0.001'
[2025-06-03 08:40:03] [INFO ] Decomposing Gal with order
[2025-06-03 08:40:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 08:40:03] [INFO ] Flatten gal took : 5 ms
[2025-06-03 08:40:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-03 08:40:03] [INFO ] Time to serialize gal into /tmp/UpperBounds9059247117954403807.gal : 1 ms
[2025-06-03 08:40:03] [INFO ] Time to serialize properties into /tmp/UpperBounds2622353811823495805.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds9059247117954403807.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2622353811823495805.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...283
Loading property file /tmp/UpperBounds2622353811823495805.prop.
Detected timeout of ITS tools.
[2025-06-03 09:01:22] [INFO ] Flatten gal took : 2 ms
[2025-06-03 09:01:22] [INFO ] Time to serialize gal into /tmp/UpperBounds16416168637838512835.gal : 1 ms
[2025-06-03 09:01:22] [INFO ] Time to serialize properties into /tmp/UpperBounds1695020393033881368.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds16416168637838512835.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds1695020393033881368.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...305
Loading property file /tmp/UpperBounds1695020393033881368.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,2.00126e+16,42.3296,472292,2,5274,5,1.81204e+06,6,0,173,2.0019e+06,0
Total reachable state count : 20012606308670976

Verifying 2 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 128
Bounds property Murphy-PT-D4N025-UpperBounds-00 :0 <= p1_5 <= 128
FORMULA Murphy-PT-D4N025-UpperBounds-00 128 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

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-D4N025-UpperBounds-00,0,42.3318,472292,1,0,7,1.81204e+06,9,1,344,2.0019e+06,4
Min sum of variable value : 0
Maximum sum along a path : 128
Bounds property Murphy-PT-D4N025-UpperBounds-10 :0 <= p1_4 <= 128
FORMULA Murphy-PT-D4N025-UpperBounds-10 128 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL

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-D4N025-UpperBounds-10,0,42.3595,472292,1,0,8,1.81204e+06,10,1,492,2.0019e+06,5
Total runtime 1555517 ms.

BK_STOP 1748941324662

--------------------
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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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-D4N025"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is Murphy-PT-D4N025, 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 r139-smll-174876533200076"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D4N025.tgz
mv Murphy-PT-D4N025 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 ;