Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524800589.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 itstools
Input is Murphy-PT-D2N100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524800589
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K 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 3.6K 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 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K 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 12K 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-D2N100-UpperBounds-00
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-01
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-02
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-03
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-04
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-05
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-06
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-07
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-08
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-09
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-10
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-11
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-12
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-13
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-14
FORMULA_NAME Murphy-PT-D2N100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1749330437383

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Murphy-PT-D2N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-07 21:07:19] [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]
[2025-06-07 21:07:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 21:07:19] [INFO ] Load time of PNML (sax parser for PT used): 61 ms
[2025-06-07 21:07:19] [INFO ] Transformed 18 places.
[2025-06-07 21:07:19] [INFO ] Transformed 21 transitions.
[2025-06-07 21:07:19] [INFO ] Parsed PT model containing 18 places and 21 transitions and 81 arcs in 220 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 12 ms.
Current structural bounds on expressions (Initially) : Max Seen:[100, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 100, 3, 100, 3, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[100, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 100, 3, 100, 3, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 21 rows 18 cols
[2025-06-07 21:07:20] [INFO ] Computed 4 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[100, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 100, 3, 100, 3, 0] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
RANDOM walk for 10073 steps (2 resets) in 21 ms. (457 steps per ms)
BEST_FIRST walk for 160016 steps (32 resets) in 181 ms. (879 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[107, 107, 107, 1, 113, 1, 2, 111, 1, 111, 2, 113, 3, 111, 3, 2] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
[2025-06-07 21:07:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:20] [INFO ] [Real]Absence check using 2 positive place invariants in 6 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2025-06-07 21:07:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2025-06-07 21:07:20] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:07:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
[2025-06-07 21:07:20] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-07 21:07:20] [INFO ] Added : 0 causal constraints over 0 iterations in 31 ms. Result :sat
Minimization took 61 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:20] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-07 21:07:20] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:20] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:20] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:20] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-07 21:07:20] [INFO ] Added : 0 causal constraints over 0 iterations in 14 ms. Result :sat
Minimization took 42 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 5 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2025-06-07 21:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-07 21:07:21] [INFO ] Added : 0 causal constraints over 0 iterations in 18 ms. Result :sat
Minimization took 31 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-07 21:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2025-06-07 21:07:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-07 21:07:21] [INFO ] Added : 1 causal constraints over 1 iterations in 22 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-07 21:07:21] [INFO ] Added : 0 causal constraints over 0 iterations in 15 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-07 21:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 9 ms.
[2025-06-07 21:07:21] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-07 21:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:21] [INFO ] Added : 2 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2025-06-07 21:07:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2025-06-07 21:07:21] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:21] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:21] [INFO ] Added : 0 causal constraints over 0 iterations in 27 ms. Result :sat
Minimization took 76 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 14 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:22] [INFO ] Added : 1 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:22] [INFO ] Added : 0 causal constraints over 0 iterations in 11 ms. Result :sat
Minimization took 78 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 4 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:22] [INFO ] Added : 2 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-07 21:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-07 21:07:22] [INFO ] Added : 0 causal constraints over 0 iterations in 13 ms. Result :sat
Minimization took 47 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:22] [INFO ] Added : 3 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2025-06-07 21:07:22] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 21:07:22] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:22] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:22] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 44 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:23] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:23] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:23] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:23] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:07:23] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2025-06-07 21:07:23] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:23] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:23] [INFO ] Added : 2 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[107, 107, 107, 1, 113, 1, 2, 111, 1, 111, 2, 113, 3, 111, 3, 2] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[249, 301, 301, 1, 299, 1, 2, 301, 1, 301, 2, 202, 3, 272, 3, 2] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
Support contains 16 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 17 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:07:24] [INFO ] Invariant cache hit.
[2025-06-07 21:07:24] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 0/39 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 28 constraints, problems are : Problem set: 0 solved, 12 unsolved in 371 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 3/15 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 21/36 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/36 variables, 6/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/36 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 3/39 variables, 3/28 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/39 variables, 12/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (OVERLAPS) 0/39 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 40 constraints, problems are : Problem set: 0 solved, 12 unsolved in 444 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 18/18 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 859ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 872ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 909 ms. Remains : 18/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {10=1, 13=1, 19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {10=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 144 ms. (steps per millisecond=69 ) properties (out of 16) seen :[105, 117, 117, 1, 138, 1, 2, 114, 1, 114, 2, 107, 3, 120, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[249, 301, 301, 1, 299, 1, 2, 301, 1, 301, 2, 202, 3, 272, 3, 2] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
[2025-06-07 21:07:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[249, 301, 301, 1, 299, 1, 2, 301, 1, 301, 2, 202, 3, 272, 3, 2] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
RANDOM walk for 1000048 steps (2 resets) in 576 ms. (1733 steps per ms)
BEST_FIRST walk for 16000012 steps (32 resets) in 7662 ms. (2087 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[249, 301, 301, 1, 301, 1, 2, 301, 1, 301, 2, 202, 3, 272, 3, 2] Max Struct:[303, 303, 303, +inf, 303, +inf, +inf, 303, +inf, 303, +inf, 303, +inf, 303, +inf, +inf]
[2025-06-07 21:07:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:07:33] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:07:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:33] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:07:33] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 27 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using state equation in 11 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using state equation in 10 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:33] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:33] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:34] [INFO ] Added : 1 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 8 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:34] [INFO ] Added : 1 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:34] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 12 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:34] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 11 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:34] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:34] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 54 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:34] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 8 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:35] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2025-06-07 21:07:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2025-06-07 21:07:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:35] [INFO ] Added : 1 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2025-06-07 21:07:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:35] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:35] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:35] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:35] [INFO ] Added : 2 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[249, 301, 301, 1, 301, 1, 2, 301, 1, 301, 2, 202, 3, 272, 3, 2] Max Struct:[303, 301, 301, +inf, 301, +inf, +inf, 301, +inf, 301, +inf, 303, +inf, 303, +inf, +inf]
FORMULA Murphy-PT-D2N100-UpperBounds-09 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N100-UpperBounds-07 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N100-UpperBounds-04 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N100-UpperBounds-02 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Murphy-PT-D2N100-UpperBounds-01 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297, 1, 1, 2, 1, 2, 297, 3, 272, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
Support contains 11 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 18/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {10=1, 13=1, 19=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {10=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 11) seen :[105, 1, 1, 2, 1, 2, 102, 3, 107, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[297, 1, 1, 2, 1, 2, 297, 3, 272, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
[2025-06-07 21:07:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[297, 1, 1, 2, 1, 2, 297, 3, 272, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
RANDOM walk for 1000084 steps (2 resets) in 520 ms. (1919 steps per ms)
BEST_FIRST walk for 11000010 steps (22 resets) in 4517 ms. (2434 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[297, 1, 1, 2, 1, 2, 297, 3, 272, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
[2025-06-07 21:07:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:40] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:40] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:40] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:40] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:40] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:40] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:40] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:40] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:07:40] [INFO ] [Nat]Added 6 Read/Feed constraints in 10 ms returned sat
[2025-06-07 21:07:40] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:40] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:41] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:41] [INFO ] Added : 1 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:41] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:41] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:41] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 6 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:41] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 21 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:41] [INFO ] Added : 3 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:41] [INFO ] Added : 1 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 33 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:42] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:42] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:07:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:42] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2025-06-07 21:07:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:42] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[297, 1, 1, 2, 1, 2, 297, 3, 272, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
Support contains 11 out of 18 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 18/18 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 18/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 18 /18 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:07:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:07:42] [INFO ] Implicit Places using invariants in 57 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 62 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 15/18 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 66 ms. Remains : 15/18 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 11) seen :[109, 1, 1, 2, 1, 2, 118, 3, 102, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 21:07:42] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
RANDOM walk for 1000112 steps (2 resets) in 475 ms. (2101 steps per ms)
BEST_FIRST walk for 11000011 steps (22 resets) in 4100 ms. (2682 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
[2025-06-07 21:07:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:47] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:47] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:07:47] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:07:47] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:07:47] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:47] [INFO ] Added : 1 causal constraints over 1 iterations in 10 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:47] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:47] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:47] [INFO ] Added : 3 causal constraints over 1 iterations in 14 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:47] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:47] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 5 ms.
[2025-06-07 21:07:48] [INFO ] Added : 3 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 9 ms returned sat
[2025-06-07 21:07:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:07:48] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 23 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:07:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:07:48] [INFO ] Added : 3 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 11 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:48] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:07:48] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:07:48] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 7 ms.
[2025-06-07 21:07:48] [INFO ] Added : 2 causal constraints over 1 iterations in 17 ms. Result :sat
Minimization took 9 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
Support contains 11 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:07:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:07:48] [INFO ] Implicit Places using invariants in 38 ms returned []
[2025-06-07 21:07:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:07:48] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:07:48] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:07:48] [INFO ] Redundant transitions in 1 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:07:48] [INFO ] Invariant cache hit.
[2025-06-07 21:07:48] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 296 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 430 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 737ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 738ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 838 ms. Remains : 15/15 places, 21/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
Found an invariant !
This invariant on transitions {9=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {9=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 11) seen :[104, 1, 1, 2, 1, 2, 115, 3, 105, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
RANDOM walk for 40245 steps (8 resets) in 460 ms. (87 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 442 ms. (90 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 526 ms. (75 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 391 ms. (102 steps per ms) remains 14/14 properties
[2025-06-07 21:07:50] [INFO ] Flatten gal took : 50 ms
[2025-06-07 21:07:50] [INFO ] Flatten gal took : 13 ms
[2025-06-07 21:07:50] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3905457520582369298.gal : 5 ms
BEST_FIRST walk for 40004 steps (8 resets) in 132 ms. (300 steps per ms) remains 14/14 properties
[2025-06-07 21:07:50] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7358089075605039902.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3905457520582369298.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7358089075605039902.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 14/14 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7358089075605039902.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,14 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,14 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,14 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,14 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40002 steps (8 resets) in 112 ms. (354 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 128
SDD size :69 after 217326
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 95 ms. (416 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 128 ms. (310 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 104 ms. (380 steps per ms) remains 14/14 properties
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :217326 after 1.82617e+06
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :1.82617e+06 after 5.0899e+07
SDD proceeding with computation,14 properties remain. new max is 1024
SDD size :5.0899e+07 after 3.93425e+08
Interrupted probabilistic random walk after 220145 steps, run timeout after 3001 ms. (steps per millisecond=73 ) properties seen :0 out of 14
Probabilistic random walk after 220145 steps, saw 142310 distinct states, run finished after 3008 ms. (steps per millisecond=73 ) properties seen :0
[2025-06-07 21:07:53] [INFO ] Invariant cache hit.
[2025-06-07 21:07:53] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 3/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:07:53] [INFO ] Deduced a trap composed of 3 places in 49 ms of which 5 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX6 is UNSAT
Problem MAX8 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 21/35 variables, 14/16 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 6/22 constraints. Problems are: Problem set: 3 solved, 11 unsolved
SDD proceeding with computation,14 properties remain. new max is 2048
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 3 solved, 11 unsolved
SDD size :3.93425e+08 after 4.29483e+09
At refinement iteration 7 (OVERLAPS) 1/36 variables, 1/23 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 3 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 3 solved, 11 unsolved in 286 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 11 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 3/14 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 4 (OVERLAPS) 21/35 variables, 14/16 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 6/22 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 9/31 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/31 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 8 (OVERLAPS) 1/36 variables, 1/32 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 2/34 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 3 solved, 11 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 3 solved, 11 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 3 solved, 11 unsolved in 319 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 11/14 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 613ms problems are : Problem set: 3 solved, 11 unsolved
Fused 11 Parikh solutions to 3 different solutions.
Parikh walk visited 1 properties in 2010 ms.
Support contains 10 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:07:56] [INFO ] Invariant cache hit.
[2025-06-07 21:07:56] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 189 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 259 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 454ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 455ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 458 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40180 steps (8 resets) in 40 ms. (980 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 110 ms. (360 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 60 ms. (655 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 76 ms. (519 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 80 ms. (493 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 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
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :4.29483e+09 after 1.80534e+10
Interrupted probabilistic random walk after 318565 steps, run timeout after 3001 ms. (steps per millisecond=106 ) properties seen :0 out of 10
Probabilistic random walk after 318565 steps, saw 205618 distinct states, run finished after 3001 ms. (steps per millisecond=106 ) properties seen :0
[2025-06-07 21:07:59] [INFO ] Invariant cache hit.
[2025-06-07 21:07:59] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 4/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:08:00] [INFO ] Deduced a trap composed of 3 places in 40 ms of which 4 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 21/35 variables, 14/16 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 1/36 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 0 solved, 10 unsolved in 322 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 4/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 21/35 variables, 14/16 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 8/30 constraints. Problems are: Problem set: 0 solved, 10 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:08:00] [INFO ] Deduced a trap composed of 2 places in 27 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/35 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 1/36 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 10 unsolved in 567 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 897ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 4 different solutions.
Parikh walk visited 1 properties in 4894 ms.
Support contains 9 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40166 steps (8 resets) in 30 ms. (1295 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 37 ms. (1052 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 51 ms. (769 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 32 ms. (1212 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 41 ms. (952 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 9/9 properties
SDD proceeding with computation,14 properties remain. new max is 8192
SDD size :1.80534e+10 after 4.88734e+10
Interrupted probabilistic random walk after 344542 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 9
Probabilistic random walk after 344542 steps, saw 222156 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) properties seen :0
[2025-06-07 21:08:08] [INFO ] Invariant cache hit.
[2025-06-07 21:08:08] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 5/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 21/35 variables, 14/15 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/35 variables, 6/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 1/36 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 9 unsolved in 147 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 5/14 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:08:09] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/14 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 21/35 variables, 14/16 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 7/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/35 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 1/36 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 32 constraints, problems are : Problem set: 0 solved, 9 unsolved in 289 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 445ms problems are : Problem set: 0 solved, 9 unsolved
Fused 9 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 512 ms.
Support contains 9 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 0 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:08:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:09] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-07 21:08:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:09] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:09] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:09] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:09] [INFO ] Invariant cache hit.
[2025-06-07 21:08:09] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 205 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 292 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 503ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 504ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 566 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running SMT prover for 9 properties.
[2025-06-07 21:08:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 21:08:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:10] [INFO ] After 55ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 21:08:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:10] [INFO ] After 46ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2025-06-07 21:08:10] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:10] [INFO ] After 32ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :9
TRAPS : Iteration 0
[2025-06-07 21:08:10] [INFO ] After 83ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
[2025-06-07 21:08:10] [INFO ] After 222ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
[2025-06-07 21:08:10] [INFO ] Flatten gal took : 7 ms
[2025-06-07 21:08:10] [INFO ] Flatten gal took : 7 ms
[2025-06-07 21:08:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12152361542594314946.gal : 1 ms
[2025-06-07 21:08:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5379443110301303661.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12152361542594314946.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5379443110301303661.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5379443110301303661.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :69 after 315132
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :315132 after 2.0791e+06
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :2.0791e+06 after 5.0992e+07
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :5.0992e+07 after 8.52222e+08
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :8.52222e+08 after 6.63978e+09
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :6.63978e+09 after 1.80646e+10
SDD proceeding with computation,14 properties remain. new max is 16384
SDD size :4.88734e+10 after 1.17643e+11
Detected timeout of ITS tools.
[2025-06-07 21:08:25] [INFO ] Flatten gal took : 5 ms
[2025-06-07 21:08:25] [INFO ] Applying decomposition
[2025-06-07 21:08:25] [INFO ] Flatten gal took : 4 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph7068643570309382891.txt' '-o' '/tmp/graph7068643570309382891.bin' '-w' '/tmp/graph7068643570309382891.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7068643570309382891.bin' '-l' '-1' '-v' '-w' '/tmp/graph7068643570309382891.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:08:25] [INFO ] Decomposing Gal with order
[2025-06-07 21:08:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:08:25] [INFO ] Flatten gal took : 50 ms
[2025-06-07 21:08:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-07 21:08:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15200760879995315235.gal : 2 ms
[2025-06-07 21:08:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8863413812947328592.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15200760879995315235.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8863413812947328592.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality8863413812947328592.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :69 after 3434
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :3434 after 4.24321e+06
SDD proceeding with computation,9 properties remain. new max is 512
SDD size :4.24321e+06 after 1.08908e+08
SDD proceeding with computation,9 properties remain. new max is 1024
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,9 properties remain. new max is 2048
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,9 properties remain. new max is 4096
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,9 properties remain. new max is 8192
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,9 properties remain. new max is 16384
SDD size :1.08908e+08 after 2.67729e+08
Detected timeout of ITS tools.
[2025-06-07 21:08:40] [INFO ] Flatten gal took : 4 ms
[2025-06-07 21:08:40] [INFO ] Applying decomposition
[2025-06-07 21:08:40] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph17903117895048781906.txt' '-o' '/tmp/graph17903117895048781906.bin' '-w' '/tmp/graph17903117895048781906.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph17903117895048781906.bin' '-l' '-1' '-v' '-w' '/tmp/graph17903117895048781906.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:08:40] [INFO ] Decomposing Gal with order
[2025-06-07 21:08:40] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:08:40] [INFO ] Flatten gal took : 5 ms
[2025-06-07 21:08:40] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-07 21:08:40] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1409735989399714890.gal : 2 ms
[2025-06-07 21:08:40] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17351622897656565290.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality1409735989399714890.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17351622897656565290.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality17351622897656565290.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :198 after 396
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :396 after 18786
SDD proceeding with computation,9 properties remain. new max is 256
SDD size :18786 after 1.87171e+07
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30597 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:[297, 1, 1, 2, 1, 2, 299, 3, 295, 3, 2] Max Struct:[303, +inf, +inf, +inf, +inf, +inf, 303, +inf, 303, +inf, +inf]
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[100] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[100] Max Struct:[303]
Current structural bounds on expressions (Before main loop) : Max Seen:[100] Max Struct:[303]
[2025-06-07 21:08:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[100] Max Struct:[303]
RANDOM walk for 10055 steps (2 resets) in 3 ms. (2513 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[121] Max Struct:[303]
[2025-06-07 21:08:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:41] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:41] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-07 21:08:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:41] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:08:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:41] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[121] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[203] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:41] [INFO ] Invariant cache hit.
[2025-06-07 21:08:41] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 303 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 401 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 713ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 714ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 718 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:08:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[203] Max Struct:[303]
RANDOM walk for 1000065 steps (2 resets) in 426 ms. (2342 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 482 ms. (2070 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[203] Max Struct:[303]
[2025-06-07 21:08:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:42] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:08:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:42] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:08:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:42] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:42] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:08:42] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[203] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[249] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:08:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:42] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-07 21:08:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:42] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:42] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:42] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:42] [INFO ] Invariant cache hit.
[2025-06-07 21:08:42] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 228 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 327 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 559ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 559ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 632 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:08:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[249] Max Struct:[303]
RANDOM walk for 1000000 steps (2 resets) in 250 ms. (3984 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 342 ms. (2915 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[249] Max Struct:[303]
[2025-06-07 21:08:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:44] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:08:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:44] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:08:44] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:44] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:08:44] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:44] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[249] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:08:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:44] [INFO ] Implicit Places using invariants in 32 ms returned []
[2025-06-07 21:08:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:44] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:44] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:44] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:44] [INFO ] Invariant cache hit.
[2025-06-07 21:08:44] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 276 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 352 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 633ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 634ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 722 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:08:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[297] Max Struct:[303]
RANDOM walk for 1000021 steps (2 resets) in 396 ms. (2518 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 421 ms. (2369 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[297] Max Struct:[303]
[2025-06-07 21:08:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:45] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:45] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:08:45] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:45] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 21:08:45] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:45] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:45] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:08:45] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[297] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:08:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:45] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-07 21:08:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:46] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:46] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:46] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:46] [INFO ] Invariant cache hit.
[2025-06-07 21:08:46] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 224 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 440 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 682ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 683ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 754 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40088 steps (8 resets) in 32 ms. (1214 steps per ms) remains 2/2 properties
[2025-06-07 21:08:46] [INFO ] Flatten gal took : 8 ms
[2025-06-07 21:08:46] [INFO ] Flatten gal took : 12 ms
[2025-06-07 21:08:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7281349317769821478.gal : 2 ms
[2025-06-07 21:08:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1297344679885300094.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7281349317769821478.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1297344679885300094.prop' '--nowitness' '--gen-order' 'FOLLOW'

BEST_FIRST walk for 40003 steps (8 resets) in 53 ms. (740 steps per ms) remains 2/2 properties
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1297344679885300094.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 217326
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :217326 after 1.82617e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.82617e+06 after 5.0899e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.0899e+07 after 3.93425e+08
Interrupted probabilistic random walk after 643235 steps, run timeout after 3001 ms. (steps per millisecond=214 ) properties seen :0 out of 2
Probabilistic random walk after 643235 steps, saw 414964 distinct states, run finished after 3001 ms. (steps per millisecond=214 ) properties seen :0
[2025-06-07 21:08:49] [INFO ] Invariant cache hit.
[2025-06-07 21:08:49] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:08:49] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 151ms problems are : Problem set: 1 solved, 1 unsolved
Finished Parikh walk after 375 steps, including 2 resets, run visited all 1 properties in 1 ms. (steps per millisecond=375 )
Parikh walk visited 1 properties in 14 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:[297] Max Struct:[303]
Ending property specific reduction for Murphy-PT-D2N100-UpperBounds-00 in 8988 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2025-06-07 21:08:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10078 steps (2 resets) in 3 ms. (2519 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:50] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:08:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:50] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 21:08:50] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:50] [INFO ] [Nat]Added 6 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:50] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:50] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 10 ms. Remains 3 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:08:50] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 21:08:50] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 45 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 63 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 112ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 112ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:50] [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 766 ms. (1303 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 934 ms. (1069 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:51] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:08:51] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:51] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:51] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:52] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:08:52] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:52] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-07 21:08:52] [INFO ] Added : 3 causal constraints over 2 iterations in 4 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 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.
[2025-06-07 21:08:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:52] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-07 21:08:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:52] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:52] [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.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:52] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:08:52] [INFO ] Invariant cache hit.
[2025-06-07 21:08:52] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, Known Traps Along Path: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 109ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:52] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:52] [INFO ] Flatten gal took : 5 ms
[2025-06-07 21:08:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9520283980703743962.gal : 0 ms
RANDOM walk for 40001 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
[2025-06-07 21:08:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10855895818860681995.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9520283980703743962.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10855895818860681995.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10855895818860681995.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,6,0.002798,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.00306,4136,1,0,5,44,7,0,25,26,0
BEST_FIRST walk for 40004 steps (8 resets) in 55 ms. (714 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 7 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-D2N100-UpperBounds-03 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-D2N100-UpperBounds-03 in 2277 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-05
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 21 rows 15 cols
[2025-06-07 21:08:52] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10045 steps (2 resets) in 4 ms. (2009 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:52] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:52] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:08:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:52] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:08:52] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:52] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:52] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:52] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:08:52] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 21:08:52] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 48 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 89ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 89ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:52] [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 271 ms. (3676 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 287 ms. (3472 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:53] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-07 21:08:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:53] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:53] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:08:53] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:53] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:08:53] [INFO ] Added : 3 causal constraints over 2 iterations in 7 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 0 ms. Remains 3 /3 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2025-06-07 21:08:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:53] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-07 21:08:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:53] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:53] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:53] [INFO ] Redundant transitions in 1 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:08:53] [INFO ] Invariant cache hit.
[2025-06-07 21:08:53] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 45 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 58 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 106ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 106ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 166 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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]
[2025-06-07 21:08:53] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:53] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:53] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16852535562114530568.gal : 0 ms
[2025-06-07 21:08:53] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7639382911570329347.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality16852535562114530568.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7639382911570329347.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality7639382911570329347.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,6,0.003112,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.003374,4136,1,0,5,44,7,0,25,26,0
RANDOM walk for 40000 steps (8 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 43 ms. (909 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-D2N100-UpperBounds-05 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-D2N100-UpperBounds-05 in 1106 ms.
Starting property specific reduction for Murphy-PT-D2N100-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 21 rows 15 cols
[2025-06-07 21:08:53] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10069 steps (2 resets) in 7 ms. (1258 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]
[2025-06-07 21:08:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:53] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:53] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:08:53] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:53] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 21:08:53] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:53] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:53] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:08:53] [INFO ] Added : 2 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 9 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:08:53] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 21:08:53] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 68 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 69 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 140ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 141 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:08:53] [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 459 ms. (2173 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 326 ms. (3058 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:08:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:54] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-07 21:08:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:54] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:54] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-07 21:08:54] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:54] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:08:54] [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.
[2025-06-07 21:08:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:54] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 21:08:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:54] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:54] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:08:54] [INFO ] Invariant cache hit.
[2025-06-07 21:08:54] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 81 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:08:54] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:54] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7038572331897429812.gal : 1 ms
[2025-06-07 21:08:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17937744324808015614.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7038572331897429812.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17937744324808015614.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality17937744324808015614.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,6,0.003598,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.003919,4136,1,0,5,44,7,0,25,26,0
RANDOM walk for 40000 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40001 steps (8 resets) in 48 ms. (816 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-D2N100-UpperBounds-06 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-D2N100-UpperBounds-06 in 1444 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-08
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 21 rows 15 cols
[2025-06-07 21:08:54] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10020 steps (2 resets) in 5 ms. (1670 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:[1] Max Struct:[+inf]
[2025-06-07 21:08:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:54] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:54] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:08:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:54] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:54] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:08:54] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:54] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:54] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:54] [INFO ] Added : 1 causal constraints over 1 iterations in 11 ms. Result :sat
Minimization took 8 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:08:54] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 21:08:54] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 73 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 59 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 136ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 137 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 10 ms. (steps per millisecond=1000 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:55] [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 456 ms. (2188 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 238 ms. (4184 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2025-06-07 21:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:55] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:08:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:55] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:55] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:55] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-07 21:08:55] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:55] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-07 21:08:55] [INFO ] Added : 3 causal constraints over 2 iterations in 5 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 2 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 2 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.
[2025-06-07 21:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:55] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-07 21:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:55] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:55] [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.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:55] [INFO ] Redundant transitions in 1 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:08:55] [INFO ] Invariant cache hit.
[2025-06-07 21:08:55] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 41 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 56 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 100ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 100ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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]
[2025-06-07 21:08:56] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:56] [INFO ] Flatten gal took : 0 ms
[2025-06-07 21:08:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9485008248059211874.gal : 0 ms
[2025-06-07 21:08:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16051918567551163939.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9485008248059211874.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16051918567551163939.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality16051918567551163939.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,6,0.002326,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.002527,4136,1,0,5,44,7,0,25,26,0
RANDOM walk for 40000 steps (8 resets) in 46 ms. (851 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 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-D2N100-UpperBounds-08 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-D2N100-UpperBounds-08 in 1277 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 21:08:56] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:08:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:56] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:08:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:56] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:08:56] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:56] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:56] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:56] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 5 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:08:56] [INFO ] Computed 0 invariants in 1 ms
[2025-06-07 21:08:56] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 59 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 77 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 142ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 144 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 8 ms. (steps per millisecond=1250 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:08:56] [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 386 ms. (2583 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 204 ms. (4878 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:08:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:56] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2025-06-07 21:08:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:56] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:08:56] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:56] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-07 21:08:56] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-07 21:08:56] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:08:56] [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 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.
[2025-06-07 21:08:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:57] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-07 21:08:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:57] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:08:57] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:57] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:08:57] [INFO ] Invariant cache hit.
[2025-06-07 21:08:57] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 53 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 102ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 140 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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]
[2025-06-07 21:08:57] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:57] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:08:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18346410506524191699.gal : 1 ms
[2025-06-07 21:08:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5231198718449439636.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality18346410506524191699.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5231198718449439636.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality5231198718449439636.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,6,0.002754,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.002994,4136,1,0,5,44,7,0,25,26,0
RANDOM walk for 40001 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 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-D2N100-UpperBounds-10 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-D2N100-UpperBounds-10 in 1129 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[100] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[100] Max Struct:[303]
Current structural bounds on expressions (Before main loop) : Max Seen:[100] Max Struct:[303]
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 21:08:57] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[100] Max Struct:[303]
RANDOM walk for 10083 steps (2 resets) in 4 ms. (2016 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[107] Max Struct:[303]
[2025-06-07 21:08:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:57] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:08:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:08:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:57] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:08:57] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:57] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:08:57] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:08:57] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[107] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 3 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:57] [INFO ] Invariant cache hit.
[2025-06-07 21:08:57] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 207 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 261 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 499ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 499ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 503 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:08:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[299] Max Struct:[303]
RANDOM walk for 1000026 steps (2 resets) in 250 ms. (3984 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 531 ms. (1879 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[299] Max Struct:[303]
[2025-06-07 21:08:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:08:58] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:08:58] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:08:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:08:58] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-07 21:08:58] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:58] [INFO ] [Nat]Added 6 Read/Feed constraints in 4 ms returned sat
[2025-06-07 21:08:58] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:08:58] [INFO ] Added : 3 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[299] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:08:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:58] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-07 21:08:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:08:58] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:08:58] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:08:58] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:08:58] [INFO ] Invariant cache hit.
[2025-06-07 21:08:58] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 280 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 397 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 705ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 707ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 819 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:08:59] [INFO ] Flatten gal took : 2 ms
[2025-06-07 21:08:59] [INFO ] Flatten gal took : 2 ms
[2025-06-07 21:08:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality229336337055718993.gal : 1 ms
[2025-06-07 21:08:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality279841325390921523.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality229336337055718993.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality279841325390921523.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...326
Loading property file /tmp/ReachabilityCardinality279841325390921523.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
RANDOM walk for 40133 steps (8 resets) in 66 ms. (599 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40004 steps (8 resets) in 46 ms. (851 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 217326
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :217326 after 1.82617e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.82617e+06 after 5.0899e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.0899e+07 after 3.93425e+08
Interrupted probabilistic random walk after 722190 steps, run timeout after 3001 ms. (steps per millisecond=240 ) properties seen :0 out of 2
Probabilistic random walk after 722190 steps, saw 465153 distinct states, run finished after 3001 ms. (steps per millisecond=240 ) properties seen :0
[2025-06-07 21:09:02] [INFO ] Invariant cache hit.
[2025-06-07 21:09:02] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:09:02] [INFO ] Deduced a trap composed of 3 places in 35 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3.93425e+08 after 4.29483e+09
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:09:02] [INFO ] Invariant cache hit.
[2025-06-07 21:09:02] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 190 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 250 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 443ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 443ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 445 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40171 steps (8 resets) in 16 ms. (2363 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2852012 steps, run timeout after 3001 ms. (steps per millisecond=950 ) properties seen :0 out of 1
Probabilistic random walk after 2852012 steps, saw 1827792 distinct states, run finished after 3001 ms. (steps per millisecond=950 ) properties seen :0
[2025-06-07 21:09:06] [INFO ] Invariant cache hit.
[2025-06-07 21:09:06] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/21 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 15/36 variables, 9/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 1 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:09:06] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 0 solved, 1 unsolved in 99 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 157ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:09:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:09:06] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-07 21:09:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:09:06] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:09:06] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:09:06] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:09:06] [INFO ] Invariant cache hit.
[2025-06-07 21:09:06] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD size :4.29483e+09 after 1.80534e+10
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 260 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 442ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 442ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 507 ms. Remains : 15/15 places, 21/21 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 36 edges and 15 vertex of which 6 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 12 output transitions
Drop transitions (Output transitions of discarded places.) removed 12 transitions
Applied a total of 1 rules in 2 ms. Remains 6 /15 variables (removed 9) and now considering 9/21 (removed 12) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 9 rows 6 cols
[2025-06-07 21:09:07] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 21:09:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:09:07] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 21:09:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-07 21:09:07] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-07 21:09:07] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-07 21:09:07] [INFO ] After 5ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2025-06-07 21:09:07] [INFO ] After 9ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-07 21:09:07] [INFO ] After 43ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-07 21:09:07] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:09:07] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:09:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6257982867293926683.gal : 1 ms
[2025-06-07 21:09:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11891773797728867133.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6257982867293926683.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11891773797728867133.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality11891773797728867133.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 64974
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :64974 after 348281
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5.40213e+07 after 5.40483e+07
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.58862e+08 after 2.58895e+08
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1.80534e+10 after 4.88734e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :6.8649e+08 after 6.8651e+08
Detected timeout of ITS tools.
[2025-06-07 21:09:22] [INFO ] Flatten gal took : 5 ms
[2025-06-07 21:09:22] [INFO ] Applying decomposition
[2025-06-07 21:09:22] [INFO ] Flatten gal took : 1 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9911328029479452997.txt' '-o' '/tmp/graph9911328029479452997.bin' '-w' '/tmp/graph9911328029479452997.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9911328029479452997.bin' '-l' '-1' '-v' '-w' '/tmp/graph9911328029479452997.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:09:22] [INFO ] Decomposing Gal with order
[2025-06-07 21:09:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:09:22] [INFO ] Flatten gal took : 3 ms
[2025-06-07 21:09:22] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-07 21:09:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2944418787607844533.gal : 1 ms
[2025-06-07 21:09:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4385014692828043996.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2944418787607844533.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4385014692828043996.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality4385014692828043996.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 3434
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3434 after 4.59681e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.08138e+08 after 1.09704e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.86253e+08 after 1.86278e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.86278e+08 after 1.86323e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.86323e+08 after 1.86323e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :2.67621e+08 after 2.69351e+08
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :9.17311e+08 after 9.19022e+08
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :4.88734e+10 after 1.17643e+11
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 30196 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-07 21:09:37] [INFO ] Flatten gal took : 3 ms
[2025-06-07 21:09:37] [INFO ] Applying decomposition
[2025-06-07 21:09:37] [INFO ] Flatten gal took : 2 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph9405186230976085349.txt' '-o' '/tmp/graph9405186230976085349.bin' '-w' '/tmp/graph9405186230976085349.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9405186230976085349.bin' '-l' '-1' '-v' '-w' '/tmp/graph9405186230976085349.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:09:37] [INFO ] Decomposing Gal with order
[2025-06-07 21:09:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:09:37] [INFO ] Flatten gal took : 3 ms
[2025-06-07 21:09:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-07 21:09:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14503337825138400312.gal : 1 ms
[2025-06-07 21:09:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9248266747233022481.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14503337825138400312.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9248266747233022481.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...308
Loading property file /tmp/ReachabilityCardinality9248266747233022481.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 42
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :42 after 96
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :96 after 198
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :198 after 396
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :396 after 18786
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :18786 after 1.68454e+07
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.68454e+07 after 2.67658e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.67658e+10 after 2.68049e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :2.68049e+10 after 2.68049e+10
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[299] Max Struct:[303]
Ending property specific reduction for Murphy-PT-D2N100-UpperBounds-11 in 90195 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-12
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 21 rows 15 cols
[2025-06-07 21:10:27] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 3 ms. (2500 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:27] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:10:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:27] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:10:27] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:27] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:10:27] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:10:27] [INFO ] Added : 3 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 6 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:10:27] [INFO ] Computed 0 invariants in 1 ms
[2025-06-07 21:10:27] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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, Known Traps Along Path: 0/0 constraints]
After SMT, in 100ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 101ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 103 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 471 ms. (2118 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 231 ms. (4310 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:28] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:10:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:10:28] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:10:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:28] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:10:28] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:10:28] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:10:28] [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 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.
[2025-06-07 21:10:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:28] [INFO ] Implicit Places using invariants in 13 ms returned []
[2025-06-07 21:10:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:10:28] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:10:28] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:10:28] [INFO ] Invariant cache hit.
[2025-06-07 21:10:28] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 59 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 109ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 109ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 147 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 4 ms. (steps per millisecond=2500 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:28] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:10:28] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:10:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2838508025331661600.gal : 1 ms
[2025-06-07 21:10:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14448585836603691827.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2838508025331661600.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14448585836603691827.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality14448585836603691827.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,6,0.003213,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.003441,4136,1,0,5,44,7,0,25,26,0
RANDOM walk for 40002 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 18 ms. (2105 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 7 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-D2N100-UpperBounds-12 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-D2N100-UpperBounds-12 in 1194 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[100] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[100] Max Struct:[303]
Current structural bounds on expressions (Before main loop) : Max Seen:[100] Max Struct:[303]
// Phase 1: matrix 21 rows 15 cols
[2025-06-07 21:10:28] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[100] Max Struct:[303]
RANDOM walk for 10057 steps (2 resets) in 3 ms. (2514 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[107] Max Struct:[303]
[2025-06-07 21:10:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:28] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-07 21:10:28] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:28] [INFO ] [Real]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:10:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:10:28] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:10:28] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:10:28] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-07 21:10:28] [INFO ] Added : 0 causal constraints over 0 iterations in 9 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[107] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[282] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:10:28] [INFO ] Invariant cache hit.
[2025-06-07 21:10:28] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 305 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 727ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 727ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 728 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:10:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[282] Max Struct:[303]
RANDOM walk for 1000033 steps (2 resets) in 429 ms. (2325 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 566 ms. (1763 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[282] Max Struct:[303]
[2025-06-07 21:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:10:30] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:10:30] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:30] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:10:30] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:30] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:10:30] [INFO ] Deduced a trap composed of 3 places in 37 ms of which 3 ms to minimize.
[2025-06-07 21:10:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 46 ms
[2025-06-07 21:10:30] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:10:30] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[282] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[285] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:30] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-07 21:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:30] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:30] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:10:30] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:10:30] [INFO ] Invariant cache hit.
[2025-06-07 21:10:30] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 285 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 409 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 710ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 710ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 802 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:10:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[285] Max Struct:[303]
RANDOM walk for 1000025 steps (2 resets) in 432 ms. (2309 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 564 ms. (1769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[285] Max Struct:[303]
[2025-06-07 21:10:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:32] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-07 21:10:32] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:32] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-07 21:10:32] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:32] [INFO ] [Nat]Added 6 Read/Feed constraints in 8 ms returned sat
[2025-06-07 21:10:32] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-07 21:10:32] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[285] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[291] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 2 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:10:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:32] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-07 21:10:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:32] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:32] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:10:32] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:10:32] [INFO ] Invariant cache hit.
[2025-06-07 21:10:32] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 278 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 376 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 668ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 668ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 759 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:10:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[291] Max Struct:[303]
RANDOM walk for 1000028 steps (2 resets) in 429 ms. (2325 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 418 ms. (2386 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[291] Max Struct:[303]
[2025-06-07 21:10:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:34] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:10:34] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-07 21:10:34] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:10:34] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:34] [INFO ] [Nat]Added 6 Read/Feed constraints in 5 ms returned sat
[2025-06-07 21:10:34] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:10:34] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[291] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[291] Max Struct:[303]
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 21/21 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
[2025-06-07 21:10:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:34] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-07 21:10:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:34] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:34] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:10:34] [INFO ] Redundant transitions in 0 ms returned []
Running 12 sub problems to find dead transitions.
[2025-06-07 21:10:34] [INFO ] Invariant cache hit.
[2025-06-07 21:10:34] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 211 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 411 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 629ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 629ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 701 ms. Remains : 15/15 places, 21/21 transitions.
[2025-06-07 21:10:35] [INFO ] Flatten gal took : 3 ms
[2025-06-07 21:10:35] [INFO ] Flatten gal took : 4 ms
[2025-06-07 21:10:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12996807876580119921.gal : 0 ms
[2025-06-07 21:10:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3035553545110353751.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12996807876580119921.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3035553545110353751.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40080 steps (8 resets) in 36 ms. (1083 steps per ms) remains 2/2 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality3035553545110353751.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
BEST_FIRST walk for 40003 steps (8 resets) in 43 ms. (909 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40001 steps (8 resets) in 65 ms. (606 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 217326
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :217326 after 1.82617e+06
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :1.82617e+06 after 5.0899e+07
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :5.0899e+07 after 3.93425e+08
Interrupted probabilistic random walk after 702739 steps, run timeout after 3001 ms. (steps per millisecond=234 ) properties seen :0 out of 2
Probabilistic random walk after 702739 steps, saw 452854 distinct states, run finished after 3001 ms. (steps per millisecond=234 ) properties seen :0
[2025-06-07 21:10:38] [INFO ] Invariant cache hit.
[2025-06-07 21:10:38] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 21:10:38] [INFO ] Deduced a trap composed of 3 places in 25 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/36 variables, 0/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 23 constraints, problems are : Problem set: 1 solved, 1 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/21 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 3/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 15/36 variables, 9/23 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/36 variables, 1/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/36 variables, 0/24 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 24 constraints, problems are : Problem set: 1 solved, 1 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
SDD proceeding with computation,2 properties remain. new max is 2048
After SMT, in 157ms problems are : Problem set: 1 solved, 1 unsolved
SDD size :3.93425e+08 after 4.29483e+09
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 21/21 (removed 0) transitions.
Running 12 sub problems to find dead transitions.
[2025-06-07 21:10:38] [INFO ] Invariant cache hit.
[2025-06-07 21:10:38] [INFO ] State equation strengthened by 6 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 0/36 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 36/36 variables, and 22 constraints, problems are : Problem set: 0 solved, 12 unsolved in 210 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 3/12 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 21/33 variables, 12/13 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/33 variables, 6/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/33 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 3/36 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/36 variables, 12/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 0/36 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 36/36 variables, and 34 constraints, problems are : Problem set: 0 solved, 12 unsolved in 245 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 15/15 constraints, ReadFeed: 6/6 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 459ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 460ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 461 ms. Remains : 15/15 places, 21/21 transitions.
RANDOM walk for 40283 steps (8 resets) in 16 ms. (2369 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 2642069 steps, run visited all 1 properties in 2936 ms. (steps per millisecond=899 )
Probabilistic random walk after 2642069 steps, saw 1696923 distinct states, run finished after 2946 ms. (steps per millisecond=896 ) properties seen :1
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[291] Max Struct:[303]
Ending property specific reduction for Murphy-PT-D2N100-UpperBounds-13 in 13296 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-14
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]
[2025-06-07 21:10:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 10070 steps (2 resets) in 4 ms. (2014 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:41] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-07 21:10:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:41] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-07 21:10:41] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:41] [INFO ] [Nat]Added 6 Read/Feed constraints in 3 ms returned sat
[2025-06-07 21:10:41] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:10:41] [INFO ] Added : 3 causal constraints over 1 iterations in 12 ms. Result :sat
Minimization took 7 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:10:41] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 21:10:41] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 49 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 97ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 97ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:42] [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 515 ms. (1937 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 216 ms. (4608 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:42] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:10:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:10:42] [INFO ] [Real]Added 1 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:10:42] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:42] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-07 21:10:42] [INFO ] [Nat]Added 1 Read/Feed constraints in 0 ms returned sat
[2025-06-07 21:10:42] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:10:42] [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.
[2025-06-07 21:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:42] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-07 21:10:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:10:42] [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.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:10:42] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:10:42] [INFO ] Invariant cache hit.
[2025-06-07 21:10:42] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 57 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 105ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 105ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 143 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2025-06-07 21:10:43] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:10:43] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:10:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4415543456760052994.gal : 0 ms
[2025-06-07 21:10:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10598090690555629617.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4415543456760052994.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10598090690555629617.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40001 steps (8 resets) in 20 ms. (1904 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality10598090690555629617.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,6,0.003768,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.004047,4136,1,0,5,44,7,0,25,26,0
Probably explored full state space saw : 6 states, properties seen :0
Probabilistic random walk after 14 steps, saw 6 distinct states, run finished after 13 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 1 ms. (steps per millisecond=14 ) properties seen :0
FORMULA Murphy-PT-D2N100-UpperBounds-14 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-D2N100-UpperBounds-14 in 1227 ms.
Starting property specific reduction for Murphy-PT-D2N100-UpperBounds-15
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 21 rows 15 cols
[2025-06-07 21:10:43] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10084 steps (2 resets) in 4 ms. (2016 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:[2] Max Struct:[+inf]
[2025-06-07 21:10:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:43] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:10:43] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-07 21:10:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-07 21:10:43] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-07 21:10:43] [INFO ] State equation strengthened by 6 read => feed constraints.
[2025-06-07 21:10:43] [INFO ] [Nat]Added 6 Read/Feed constraints in 2 ms returned sat
[2025-06-07 21:10:43] [INFO ] Computed and/alt/rep : 12/30/12 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-07 21:10:43] [INFO ] Added : 2 causal constraints over 1 iterations in 10 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 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 21/21 transitions.
Graph (complete) has 42 edges and 15 vertex of which 3 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 16 output transitions
Drop transitions (Output transitions of discarded places.) removed 16 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 /15 variables (removed 12) and now considering 4/21 (removed 17) transitions.
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 4 rows 3 cols
[2025-06-07 21:10:43] [INFO ] Computed 0 invariants in 0 ms
[2025-06-07 21:10:43] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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 49 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
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, Known Traps Along Path: 0/0 constraints]
After SMT, in 113ms 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 116 ms. Remains : 3/15 places, 4/21 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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]
[2025-06-07 21:10:43] [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 341 ms. (2923 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 305 ms. (3267 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:10:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:44] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:10:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:10:44] [INFO ] [Real]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:10:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-07 21:10:44] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-07 21:10:44] [INFO ] [Nat]Added 1 Read/Feed constraints in 1 ms returned sat
[2025-06-07 21:10:44] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-07 21:10:44] [INFO ] Added : 2 causal constraints over 1 iterations in 5 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.
[2025-06-07 21:10:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:44] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-07 21:10:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 21:10:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2025-06-07 21:10:44] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 21:10:44] [INFO ] Redundant transitions in 1 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-07 21:10:44] [INFO ] Invariant cache hit.
[2025-06-07 21:10:44] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 51 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
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 68 ms.
Refiners :[State Equation: 3/3 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 184 ms. Remains : 3/3 places, 4/4 transitions.
Starting Z3 with timeout 6000.0 s and query timeout 600000.0 ms
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2025-06-07 21:10:44] [INFO ] Flatten gal took : 2 ms
[2025-06-07 21:10:44] [INFO ] Flatten gal took : 1 ms
[2025-06-07 21:10:44] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9848420362699742090.gal : 0 ms
[2025-06-07 21:10:44] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7958636633708472547.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9848420362699742090.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7958636633708472547.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7958636633708472547.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,6,0.003837,4136,2,8,5,44,7,0,24,26,0
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
MIN0,0,0.004194,4136,1,0,5,44,7,0,25,26,0
RANDOM walk for 40001 steps (8 resets) in 40 ms. (975 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 33 ms. (1176 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-D2N100-UpperBounds-15 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-D2N100-UpperBounds-15 in 1239 ms.
[2025-06-07 21:10:44] [INFO ] Flatten gal took : 3 ms
[2025-06-07 21:10:44] [INFO ] Applying decomposition
[2025-06-07 21:10:44] [INFO ] Flatten gal took : 11 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15943343987261774859.txt' '-o' '/tmp/graph15943343987261774859.bin' '-w' '/tmp/graph15943343987261774859.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15943343987261774859.bin' '-l' '-1' '-v' '-w' '/tmp/graph15943343987261774859.weights' '-q' '0' '-e' '0.001'
[2025-06-07 21:10:44] [INFO ] Decomposing Gal with order
[2025-06-07 21:10:44] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 21:10:44] [INFO ] Flatten gal took : 4 ms
[2025-06-07 21:10:44] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-07 21:10:44] [INFO ] Time to serialize gal into /tmp/UpperBounds2242280322042188252.gal : 1 ms
[2025-06-07 21:10:44] [INFO ] Time to serialize properties into /tmp/UpperBounds13114922936662477942.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds2242280322042188252.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13114922936662477942.prop' '--nowitness'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds13114922936662477942.prop.
Detected timeout of ITS tools.
[2025-06-07 21:31:53] [INFO ] Flatten gal took : 3 ms
[2025-06-07 21:31:53] [INFO ] Time to serialize gal into /tmp/UpperBounds12875148423967331957.gal : 1 ms
[2025-06-07 21:31:53] [INFO ] Time to serialize properties into /tmp/UpperBounds14667813916471282999.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds12875148423967331957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14667813916471282999.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/UpperBounds14667813916471282999.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,1.20704e+12,72.1805,700452,2,9701,5,2.30096e+06,6,0,105,2.42323e+06,0
Total reachable state count : 1207044185616

Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 299
Bounds property Murphy-PT-D2N100-UpperBounds-00 :0 <= p1_2 <= 299
FORMULA Murphy-PT-D2N100-UpperBounds-00 299 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-D2N100-UpperBounds-00,0,72.4215,700452,1,0,7,2.30096e+06,9,1,441,2.42323e+06,4
Min sum of variable value : 0
Maximum sum along a path : 299
Bounds property Murphy-PT-D2N100-UpperBounds-11 :0 <= p1_3 <= 299
FORMULA Murphy-PT-D2N100-UpperBounds-11 299 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-D2N100-UpperBounds-11,0,72.4245,700452,1,0,8,2.30096e+06,10,1,750,2.42323e+06,5
Min sum of variable value : 0
Maximum sum along a path : 299
Bounds property Murphy-PT-D2N100-UpperBounds-13 :0 <= p1_1 <= 299
FORMULA Murphy-PT-D2N100-UpperBounds-13 299 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-D2N100-UpperBounds-13,0,73.1762,700452,1,0,9,2.30096e+06,11,1,1079,2.42323e+06,6
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 1546749 ms.

BK_STOP 1749331986466

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

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Murphy-PT-D2N100"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
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 itstools"
echo " Input is Murphy-PT-D2N100, 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 r128-smll-174876524800589"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D2N100.tgz
mv Murphy-PT-D2N100 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 ;