About the Execution of ITS-Tools for FunctionPointer-PT-c064
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 2808.855 | 817676.00 | 1080216.00 | 13541.30 | FFFTTFFTFFFTFFFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r146-tall-177961074000155.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FunctionPointer-PT-c064, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961074000155
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 6.0K Mar 7 07:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 7 07:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 7 07:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 7 07:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 07:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 7 07:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 7 07:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 07:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 4.2M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-00
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-01
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-02
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-03
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-04
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-05
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-06
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-07
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-08
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-09
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-10
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-11
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-12
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-13
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-14
FORMULA_NAME FunctionPointer-PT-c064-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779701207463
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-c064
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-25 09:26:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 09:26:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:26:49] [INFO ] Load time of PNML (sax parser for PT used): 371 ms
[2026-05-25 09:26:49] [INFO ] Transformed 2826 places.
[2026-05-25 09:26:49] [INFO ] Transformed 8960 transitions.
[2026-05-25 09:26:49] [INFO ] Parsed PT model containing 2826 places and 8960 transitions and 36096 arcs in 505 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 1198 places in 45 ms
Reduce places removed 1198 places and 2998 transitions.
Initial state reduction rules removed 3 formulas.
FORMULA FunctionPointer-PT-c064-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-c064-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 12 out of 1628 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1628/1628 places, 5962/5962 transitions.
Reduce places removed 17 places and 0 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 17 place count 1611 transition count 5962
Discarding 295 places :
Symmetric choice reduction at 1 with 295 rule applications. Total rules 312 place count 1316 transition count 3722
Iterating global reduction 1 with 295 rules applied. Total rules applied 607 place count 1316 transition count 3722
Ensure Unique test removed 378 transitions
Reduce isomorphic transitions removed 378 transitions.
Iterating post reduction 1 with 378 rules applied. Total rules applied 985 place count 1316 transition count 3344
Discarding 153 places :
Symmetric choice reduction at 2 with 153 rule applications. Total rules 1138 place count 1163 transition count 3038
Iterating global reduction 2 with 153 rules applied. Total rules applied 1291 place count 1163 transition count 3038
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Iterating post reduction 2 with 72 rules applied. Total rules applied 1363 place count 1163 transition count 2966
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1377 place count 1149 transition count 2938
Iterating global reduction 3 with 14 rules applied. Total rules applied 1391 place count 1149 transition count 2938
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1405 place count 1135 transition count 2910
Iterating global reduction 3 with 14 rules applied. Total rules applied 1419 place count 1135 transition count 2910
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1433 place count 1121 transition count 2882
Iterating global reduction 3 with 14 rules applied. Total rules applied 1447 place count 1121 transition count 2882
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1461 place count 1107 transition count 2854
Iterating global reduction 3 with 14 rules applied. Total rules applied 1475 place count 1107 transition count 2854
Discarding 14 places :
Symmetric choice reduction at 3 with 14 rule applications. Total rules 1489 place count 1093 transition count 2826
Iterating global reduction 3 with 14 rules applied. Total rules applied 1503 place count 1093 transition count 2826
Discarding 13 places :
Symmetric choice reduction at 3 with 13 rule applications. Total rules 1516 place count 1080 transition count 2800
Iterating global reduction 3 with 13 rules applied. Total rules applied 1529 place count 1080 transition count 2800
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1540 place count 1069 transition count 2778
Iterating global reduction 3 with 11 rules applied. Total rules applied 1551 place count 1069 transition count 2778
Discarding 49 places :
Symmetric choice reduction at 3 with 49 rule applications. Total rules 1600 place count 1020 transition count 2592
Iterating global reduction 3 with 49 rules applied. Total rules applied 1649 place count 1020 transition count 2592
Discarding 54 places :
Symmetric choice reduction at 3 with 54 rule applications. Total rules 1703 place count 966 transition count 2376
Iterating global reduction 3 with 54 rules applied. Total rules applied 1757 place count 966 transition count 2376
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 1810 place count 913 transition count 2250
Iterating global reduction 3 with 53 rules applied. Total rules applied 1863 place count 913 transition count 2250
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 1916 place count 860 transition count 2144
Iterating global reduction 3 with 53 rules applied. Total rules applied 1969 place count 860 transition count 2144
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2022 place count 807 transition count 2038
Iterating global reduction 3 with 53 rules applied. Total rules applied 2075 place count 807 transition count 2038
Discarding 53 places :
Symmetric choice reduction at 3 with 53 rule applications. Total rules 2128 place count 754 transition count 1932
Iterating global reduction 3 with 53 rules applied. Total rules applied 2181 place count 754 transition count 1932
Discarding 52 places :
Symmetric choice reduction at 3 with 52 rule applications. Total rules 2233 place count 702 transition count 1828
Iterating global reduction 3 with 52 rules applied. Total rules applied 2285 place count 702 transition count 1828
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 2295 place count 692 transition count 1808
Iterating global reduction 3 with 10 rules applied. Total rules applied 2305 place count 692 transition count 1808
Applied a total of 2305 rules in 1199 ms. Remains 692 /1628 variables (removed 936) and now considering 1808/5962 (removed 4154) transitions.
[2026-05-25 09:26:50] [INFO ] Flow matrix only has 1211 transitions (discarded 597 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6648651840736748605.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10268173455456486292.kers'
[2026-05-25 09:26:50] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6648651840736748605.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10268173455456486292.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1211 rows 692 cols 3316 entries
Finished phase 1 with 689 SingleSign rule and 1 generalized
[2026-05-25 09:26:50] [INFO ] Computed 2 invariants in 5 ms
Computed 2 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-10268173455456486292.kers
Total runtime 7 ms.
[2026-05-25 09:26:51] [INFO ] Implicit Places using invariants in 725 ms returned []
[2026-05-25 09:26:51] [INFO ] Flow matrix only has 1211 transitions (discarded 597 similar events)
[2026-05-25 09:26:51] [INFO ] Invariant cache hit.
[2026-05-25 09:26:51] [INFO ] State equation strengthened by 294 read => feed constraints.
[2026-05-25 09:26:55] [INFO ] Implicit Places using invariants and state equation in 4375 ms returned []
Implicit Place search using SMT with State Equation took 5133 ms to find 0 implicit places.
Running 1806 sub problems to find dead transitions.
[2026-05-25 09:26:58] [INFO ] Flow matrix only has 1211 transitions (discarded 597 similar events)
[2026-05-25 09:26:59] [INFO ] Invariant cache hit.
[2026-05-25 09:26:59] [INFO ] State equation strengthened by 294 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/692 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1806 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/692 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1806 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 692/1903 variables, and 2 constraints, problems are : Problem set: 0 solved, 1806 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/692 constraints, ReadFeed: 0/294 constraints, PredecessorRefiner: 1806/1806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1806 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/692 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1806 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/692 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1806 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 692/1903 variables, and 2 constraints, problems are : Problem set: 0 solved, 1806 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/692 constraints, ReadFeed: 0/294 constraints, PredecessorRefiner: 0/1806 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 63146ms problems are : Problem set: 0 solved, 1806 unsolved
Search for dead transitions found 0 dead transitions in 63176ms
Starting structural reductions in LTL mode, iteration 1 : 692/1628 places, 1808/5962 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72781 ms. Remains : 692/1628 places, 1808/5962 transitions.
Starting structural reductions in LTL mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Applied a total of 0 rules in 29 ms. Remains 692 /692 variables (removed 0) and now considering 1808/1808 (removed 0) transitions.
[2026-05-25 09:28:02] [INFO ] Flow matrix only has 1211 transitions (discarded 597 similar events)
[2026-05-25 09:28:02] [INFO ] Invariant cache hit.
[2026-05-25 09:28:02] [INFO ] Implicit Places using invariants in 605 ms returned []
[2026-05-25 09:28:02] [INFO ] Flow matrix only has 1211 transitions (discarded 597 similar events)
[2026-05-25 09:28:02] [INFO ] Invariant cache hit.
[2026-05-25 09:28:03] [INFO ] State equation strengthened by 294 read => feed constraints.
[2026-05-25 09:28:07] [INFO ] Implicit Places using invariants and state equation in 4238 ms returned []
Implicit Place search using SMT with State Equation took 4848 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 4883 ms. Remains : 692/692 places, 1808/1808 transitions.
Support contains 12 out of 692 places after structural reductions.
[2026-05-25 09:28:07] [INFO ] Flatten gal took : 136 ms
[2026-05-25 09:28:07] [INFO ] Flatten gal took : 89 ms
[2026-05-25 09:28:07] [INFO ] Input system was already deterministic with 1808 transitions.
RANDOM walk for 40097 steps (8 resets) in 2728 ms. (14 steps per ms) remains 6/12 properties
BEST_FIRST walk for 40003 steps (14 resets) in 105 ms. (377 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (18 resets) in 102 ms. (388 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (18 resets) in 103 ms. (384 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (13 resets) in 96 ms. (412 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (14 resets) in 97 ms. (408 steps per ms) remains 5/5 properties
[2026-05-25 09:28:08] [INFO ] Flow matrix only has 1211 transitions (discarded 597 similar events)
[2026-05-25 09:28:08] [INFO ] Invariant cache hit.
[2026-05-25 09:28:08] [INFO ] State equation strengthened by 294 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 25/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 70/100 variables, 30/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 12/43 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 618/718 variables, 32/75 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 974/1692 variables, 491/567 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1692 variables, 281/848 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1692 variables, 0/848 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 62/1754 variables, 1/849 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1754 variables, 0/849 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (OVERLAPS) 140/1894 variables, 134/983 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1894 variables, 0/983 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (OVERLAPS) 9/1903 variables, 5/988 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1903 variables, 0/988 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/1903 variables, 0/988 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1903/1903 variables, and 988 constraints, problems are : Problem set: 0 solved, 5 unsolved in 1262 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 692/692 constraints, ReadFeed: 294/294 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 25/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 70/100 variables, 30/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/100 variables, 12/43 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/100 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 618/718 variables, 32/75 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/718 variables, 1/76 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/718 variables, 4/80 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/718 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 974/1692 variables, 491/571 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1692 variables, 281/852 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1692 variables, 1/853 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1692 variables, 3/856 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1692 variables, 0/856 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 62/1754 variables, 1/857 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1754 variables, 0/857 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 140/1894 variables, 134/991 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1894 variables, 0/991 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (OVERLAPS) 9/1903 variables, 5/996 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1903 variables, 0/996 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 21 (OVERLAPS) 0/1903 variables, 0/996 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1903/1903 variables, and 996 constraints, problems are : Problem set: 0 solved, 5 unsolved in 2922 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 692/692 constraints, ReadFeed: 294/294 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 4220ms problems are : Problem set: 0 solved, 5 unsolved
Parikh walk visited 1 properties in 444 ms.
Support contains 4 out of 692 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Graph (complete) has 2974 edges and 692 vertex of which 500 are kept as prefixes of interest. Removing 192 places using SCC suffix rule.4 ms
Discarding 192 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Iterating post reduction 0 with 384 rules applied. Total rules applied 385 place count 500 transition count 1424
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 391 place count 494 transition count 1412
Iterating global reduction 1 with 6 rules applied. Total rules applied 397 place count 494 transition count 1412
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 405 place count 494 transition count 1404
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 412 place count 487 transition count 1390
Iterating global reduction 2 with 7 rules applied. Total rules applied 419 place count 487 transition count 1390
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 423 place count 487 transition count 1386
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 428 place count 482 transition count 1374
Iterating global reduction 3 with 5 rules applied. Total rules applied 433 place count 482 transition count 1374
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 440 place count 475 transition count 1350
Iterating global reduction 3 with 7 rules applied. Total rules applied 447 place count 475 transition count 1350
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 454 place count 468 transition count 1326
Iterating global reduction 3 with 7 rules applied. Total rules applied 461 place count 468 transition count 1326
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 467 place count 462 transition count 1312
Iterating global reduction 3 with 6 rules applied. Total rules applied 473 place count 462 transition count 1312
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 479 place count 456 transition count 1300
Iterating global reduction 3 with 6 rules applied. Total rules applied 485 place count 456 transition count 1300
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 491 place count 450 transition count 1288
Iterating global reduction 3 with 6 rules applied. Total rules applied 497 place count 450 transition count 1288
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 503 place count 444 transition count 1276
Iterating global reduction 3 with 6 rules applied. Total rules applied 509 place count 444 transition count 1276
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 514 place count 439 transition count 1266
Iterating global reduction 3 with 5 rules applied. Total rules applied 519 place count 439 transition count 1266
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 520 place count 438 transition count 1264
Iterating global reduction 3 with 1 rules applied. Total rules applied 521 place count 438 transition count 1264
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 529 place count 438 transition count 1256
Applied a total of 529 rules in 351 ms. Remains 438 /692 variables (removed 254) and now considering 1256/1808 (removed 552) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 352 ms. Remains : 438/692 places, 1256/1808 transitions.
RANDOM walk for 40008 steps (8 resets) in 180 ms. (221 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 2/3 properties
[2026-05-25 09:28:13] [INFO ] Flow matrix only has 715 transitions (discarded 541 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5934319191454092523.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11277684498301599635.kers'
[2026-05-25 09:28:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5934319191454092523.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11277684498301599635.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 715 rows 438 cols 2124 entries
Finished phase 1 with 435 SingleSign rule and 0 generalized
[2026-05-25 09:28:13] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11277684498301599635.kers
Total runtime 4 ms.
[2026-05-25 09:28:13] [INFO ] State equation strengthened by 81 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/13 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/23 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 15/38 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/38 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 366/404 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/404 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/404 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 10/414 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/414 variables, 4/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/414 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 610/1024 variables, 342/375 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1024 variables, 78/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1024 variables, 0/453 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (OVERLAPS) 62/1086 variables, 1/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1086 variables, 0/454 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 67/1153 variables, 68/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1153 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/1153 variables, 0/522 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1153/1153 variables, and 522 constraints, problems are : Problem set: 0 solved, 2 unsolved in 458 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 438/438 constraints, ReadFeed: 81/81 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/13 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/23 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 15/38 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/38 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 366/404 variables, 10/24 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/404 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/404 variables, 2/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/404 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 10/414 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/414 variables, 4/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/414 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 610/1024 variables, 342/377 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1024 variables, 78/455 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1024 variables, 0/455 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/1086 variables, 1/456 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1086 variables, 0/456 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 67/1153 variables, 68/524 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1153 variables, 2/526 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1153 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/1153 variables, 0/526 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1153/1153 variables, and 526 constraints, problems are : Problem set: 0 solved, 2 unsolved in 835 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 438/438 constraints, ReadFeed: 81/81 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 1324ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 2 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 1256/1256 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 437 transition count 1252
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 437 transition count 1252
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 436 transition count 1250
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 436 transition count 1250
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 435 transition count 1248
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 435 transition count 1248
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 434 transition count 1246
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 434 transition count 1246
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 433 transition count 1244
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 433 transition count 1244
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 432 transition count 1242
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 432 transition count 1242
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 431 transition count 1240
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 431 transition count 1240
Applied a total of 14 rules in 126 ms. Remains 431 /438 variables (removed 7) and now considering 1240/1256 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 126 ms. Remains : 431/438 places, 1240/1256 transitions.
RANDOM walk for 40004 steps (8 resets) in 192 ms. (207 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 352636 steps, run timeout after 3001 ms. (steps per millisecond=117 ) properties seen :0 out of 2
Probabilistic random walk after 352636 steps, saw 216242 distinct states, run finished after 3009 ms. (steps per millisecond=117 ) properties seen :0
[2026-05-25 09:28:18] [INFO ] Flow matrix only has 703 transitions (discarded 537 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8112324494108839148.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9437988054017907529.kers'
[2026-05-25 09:28:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8112324494108839148.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9437988054017907529.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 703 rows 431 cols 2090 entries
Finished phase 1 with 428 SingleSign rule and 0 generalized
[2026-05-25 09:28:18] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-9437988054017907529.kers
Total runtime 4 ms.
[2026-05-25 09:28:18] [INFO ] State equation strengthened by 78 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/13 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/23 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 13/36 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 358/394 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 8/402 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/402 variables, 4/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 604/1006 variables, 337/369 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1006 variables, 75/444 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1006 variables, 0/444 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (OVERLAPS) 62/1068 variables, 1/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1068 variables, 0/445 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (OVERLAPS) 66/1134 variables, 67/512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1134 variables, 0/512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (OVERLAPS) 0/1134 variables, 0/512 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1134/1134 variables, and 512 constraints, problems are : Problem set: 0 solved, 2 unsolved in 525 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 431/431 constraints, ReadFeed: 78/78 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 4/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 7/13 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 10/23 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 13/36 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/36 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 358/394 variables, 9/23 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/394 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/394 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/394 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 8/402 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/402 variables, 4/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/402 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 16 (OVERLAPS) 604/1006 variables, 337/371 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1006 variables, 75/446 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1006 variables, 0/446 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 19 (OVERLAPS) 62/1068 variables, 1/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1068 variables, 0/447 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 21 (OVERLAPS) 66/1134 variables, 67/514 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1134 variables, 1/515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1134 variables, 0/515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 24 (OVERLAPS) 0/1134 variables, 0/515 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1134/1134 variables, and 515 constraints, problems are : Problem set: 0 solved, 2 unsolved in 753 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 431/431 constraints, ReadFeed: 78/78 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1296ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 77 ms.
Support contains 2 out of 431 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 431/431 places, 1240/1240 transitions.
Applied a total of 0 rules in 54 ms. Remains 431 /431 variables (removed 0) and now considering 1240/1240 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 54 ms. Remains : 431/431 places, 1240/1240 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 431/431 places, 1240/1240 transitions.
Applied a total of 0 rules in 76 ms. Remains 431 /431 variables (removed 0) and now considering 1240/1240 (removed 0) transitions.
[2026-05-25 09:28:20] [INFO ] Flow matrix only has 703 transitions (discarded 537 similar events)
[2026-05-25 09:28:20] [INFO ] Invariant cache hit.
[2026-05-25 09:28:20] [INFO ] Implicit Places using invariants in 309 ms returned []
[2026-05-25 09:28:20] [INFO ] Flow matrix only has 703 transitions (discarded 537 similar events)
[2026-05-25 09:28:20] [INFO ] Invariant cache hit.
[2026-05-25 09:28:20] [INFO ] State equation strengthened by 78 read => feed constraints.
[2026-05-25 09:28:22] [INFO ] Implicit Places using invariants and state equation in 2036 ms returned []
Implicit Place search using SMT with State Equation took 2349 ms to find 0 implicit places.
[2026-05-25 09:28:22] [INFO ] Redundant transitions in 84 ms returned []
Running 1238 sub problems to find dead transitions.
[2026-05-25 09:28:22] [INFO ] Flow matrix only has 703 transitions (discarded 537 similar events)
[2026-05-25 09:28:22] [INFO ] Invariant cache hit.
[2026-05-25 09:28:22] [INFO ] State equation strengthened by 78 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/431 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/431 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 431/1134 variables, and 4 constraints, problems are : Problem set: 0 solved, 1238 unsolved in 30023 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/431 constraints, ReadFeed: 0/78 constraints, PredecessorRefiner: 1238/1238 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1238 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/431 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/431 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/431 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
At refinement iteration 3 (OVERLAPS) 703/1134 variables, 431/435 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1134 variables, 78/513 constraints. Problems are: Problem set: 0 solved, 1238 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1134/1134 variables, and 1751 constraints, problems are : Problem set: 0 solved, 1238 unsolved in 30190 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 431/431 constraints, ReadFeed: 78/78 constraints, PredecessorRefiner: 1238/1238 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61464ms problems are : Problem set: 0 solved, 1238 unsolved
Search for dead transitions found 0 dead transitions in 61470ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63998 ms. Remains : 431/431 places, 1240/1240 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 537 transitions
Reduce isomorphic transitions removed 537 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 548 rules applied. Total rules applied 548 place count 431 transition count 692
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 559 place count 420 transition count 692
Performed 76 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 76 Pre rules applied. Total rules applied 559 place count 420 transition count 616
Deduced a syphon composed of 76 places in 0 ms
Reduce places removed 76 places and 0 transitions.
Iterating global reduction 2 with 152 rules applied. Total rules applied 711 place count 344 transition count 616
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 965 place count 217 transition count 489
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1029 place count 153 transition count 361
Iterating global reduction 2 with 64 rules applied. Total rules applied 1093 place count 153 transition count 361
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1094 place count 153 transition count 360
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1157 place count 90 transition count 234
Iterating global reduction 3 with 63 rules applied. Total rules applied 1220 place count 90 transition count 234
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1283 place count 27 transition count 108
Iterating global reduction 3 with 63 rules applied. Total rules applied 1346 place count 27 transition count 108
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1409 place count 27 transition count 45
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1409 place count 27 transition count 44
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1411 place count 26 transition count 44
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1413 place count 25 transition count 43
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 1417 place count 23 transition count 43
Applied a total of 1417 rules in 63 ms. Remains 23 /431 variables (removed 408) and now considering 43/1240 (removed 1197) transitions.
Running SMT prover for 2 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17320410298089559836.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15820208066345032123.kers'
[2026-05-25 09:29:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17320410298089559836.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15820208066345032123.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 23 cols 142 entries
Finished phase 1 with 20 SingleSign rule and 0 generalized
[2026-05-25 09:29:24] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15820208066345032123.kers
Total runtime 0 ms.
[2026-05-25 09:29:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:29:24] [INFO ] After 13ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2026-05-25 09:29:24] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-25 09:29:24] [INFO ] After 6ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 09:29:24] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2026-05-25 09:29:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2026-05-25 09:29:24] [INFO ] After 12ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2026-05-25 09:29:24] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 09:29:24] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2026-05-25 09:29:24] [INFO ] After 52ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Over-approximation ignoring read arcs solved 0 properties in 194 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U X(X((X(p1) U ((X(p1)&&G(p2))||X(G(p1)))))))) U p3))'
Support contains 5 out of 692 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 688 transition count 1800
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 688 transition count 1800
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 688 transition count 1798
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 14 place count 684 transition count 1790
Iterating global reduction 1 with 4 rules applied. Total rules applied 18 place count 684 transition count 1790
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 22 place count 680 transition count 1778
Iterating global reduction 1 with 4 rules applied. Total rules applied 26 place count 680 transition count 1778
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 31 place count 675 transition count 1760
Iterating global reduction 1 with 5 rules applied. Total rules applied 36 place count 675 transition count 1760
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 41 place count 670 transition count 1746
Iterating global reduction 1 with 5 rules applied. Total rules applied 46 place count 670 transition count 1746
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 50 place count 666 transition count 1738
Iterating global reduction 1 with 4 rules applied. Total rules applied 54 place count 666 transition count 1738
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 58 place count 662 transition count 1730
Iterating global reduction 1 with 4 rules applied. Total rules applied 62 place count 662 transition count 1730
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 66 place count 658 transition count 1722
Iterating global reduction 1 with 4 rules applied. Total rules applied 70 place count 658 transition count 1722
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 74 place count 654 transition count 1714
Iterating global reduction 1 with 4 rules applied. Total rules applied 78 place count 654 transition count 1714
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 80 place count 652 transition count 1710
Iterating global reduction 1 with 2 rules applied. Total rules applied 82 place count 652 transition count 1710
Applied a total of 82 rules in 181 ms. Remains 652 /692 variables (removed 40) and now considering 1710/1808 (removed 98) transitions.
[2026-05-25 09:29:24] [INFO ] Flow matrix only has 1142 transitions (discarded 568 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11192456314936156355.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5702208695624054037.kers'
[2026-05-25 09:29:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11192456314936156355.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5702208695624054037.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1142 rows 652 cols 3128 entries
Finished phase 1 with 649 SingleSign rule and 1 generalized
[2026-05-25 09:29:24] [INFO ] Computed 2 invariants in 4 ms
Computed 2 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-5702208695624054037.kers
Total runtime 8 ms.
[2026-05-25 09:29:25] [INFO ] Implicit Places using invariants in 448 ms returned []
[2026-05-25 09:29:25] [INFO ] Flow matrix only has 1142 transitions (discarded 568 similar events)
[2026-05-25 09:29:25] [INFO ] Invariant cache hit.
[2026-05-25 09:29:25] [INFO ] State equation strengthened by 279 read => feed constraints.
[2026-05-25 09:29:29] [INFO ] Implicit Places using invariants and state equation in 4018 ms returned []
Implicit Place search using SMT with State Equation took 4469 ms to find 0 implicit places.
Running 1708 sub problems to find dead transitions.
[2026-05-25 09:29:29] [INFO ] Flow matrix only has 1142 transitions (discarded 568 similar events)
[2026-05-25 09:29:29] [INFO ] Invariant cache hit.
[2026-05-25 09:29:29] [INFO ] State equation strengthened by 279 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/652 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/652 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 652/1794 variables, and 2 constraints, problems are : Problem set: 0 solved, 1708 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/652 constraints, ReadFeed: 0/279 constraints, PredecessorRefiner: 1708/1708 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1708 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/652 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1708 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/652 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1708 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 652/1794 variables, and 2 constraints, problems are : Problem set: 0 solved, 1708 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/652 constraints, ReadFeed: 0/279 constraints, PredecessorRefiner: 0/1708 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62519ms problems are : Problem set: 0 solved, 1708 unsolved
Search for dead transitions found 0 dead transitions in 62534ms
Starting structural reductions in LTL mode, iteration 1 : 652/692 places, 1710/1808 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 67195 ms. Remains : 652/692 places, 1710/1808 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U X(X((X(p1) U (X(G(p1))||(X(p1)&&G(p2)))))))) U p3))'
Stuttering acceptance computed with spot in 873 ms :[(NOT p3), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p1), true, (AND (NOT p2) (NOT p1)), (AND (NOT p1) p2), (NOT p1), (AND (NOT p1) p2), (AND (NOT p2) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND (NOT p2) p1)]
Running random walk in product with property : FunctionPointer-PT-c064-LTLCardinality-00
Product exploration explored 100000 steps with 15368 reset in 750 ms.
Product exploration explored 100000 steps with 15419 reset in 648 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge based reduction with 21 factoid took 884 ms. Reduced automaton from 18 states, 58 edges and 4 AP (stutter sensitive) to 17 states, 55 edges and 4 AP (stutter sensitive).
RANDOM walk for 40095 steps (8 resets) in 376 ms. (106 steps per ms) remains 16/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 13 ms. (285 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (9 resets) in 16 ms. (235 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 21 ms. (181 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (9 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 12 ms. (307 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 10 ms. (363 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
[2026-05-25 09:30:35] [INFO ] Flow matrix only has 1142 transitions (discarded 568 similar events)
[2026-05-25 09:30:35] [INFO ] Invariant cache hit.
[2026-05-25 09:30:35] [INFO ] State equation strengthened by 279 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 12/17 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 42/59 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 591/650 variables, 23/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (OVERLAPS) 12/662 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/662 variables, 2/46 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/662 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (OVERLAPS) 941/1603 variables, 479/525 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1603 variables, 276/801 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1603 variables, 0/801 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (OVERLAPS) 62/1665 variables, 1/802 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1665 variables, 0/802 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 16 (OVERLAPS) 129/1794 variables, 131/933 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1794 variables, 0/933 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 18 (OVERLAPS) 0/1794 variables, 0/933 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1794/1794 variables, and 933 constraints, problems are : Problem set: 0 solved, 16 unsolved in 2315 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 652/652 constraints, ReadFeed: 279/279 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 12/17 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 42/59 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 591/650 variables, 23/40 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/650 variables, 3/43 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/650 variables, 16/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/650 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 12/662 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/662 variables, 2/62 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/662 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (OVERLAPS) 941/1603 variables, 479/541 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1603 variables, 276/817 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1603 variables, 1/818 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1603 variables, 0/818 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 16 (OVERLAPS) 62/1665 variables, 1/819 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1665 variables, 0/819 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 18 (OVERLAPS) 129/1794 variables, 131/950 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1794/1794 variables, and 953 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5018 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 652/652 constraints, ReadFeed: 279/279 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 7368ms problems are : Problem set: 0 solved, 16 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 5 out of 652 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 652/652 places, 1710/1710 transitions.
Graph (complete) has 2825 edges and 652 vertex of which 460 are kept as prefixes of interest. Removing 192 places using SCC suffix rule.1 ms
Discarding 192 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Iterating post reduction 0 with 384 rules applied. Total rules applied 385 place count 460 transition count 1326
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 1 with 12 rules applied. Total rules applied 397 place count 460 transition count 1314
Applied a total of 397 rules in 125 ms. Remains 460 /652 variables (removed 192) and now considering 1314/1710 (removed 396) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 460/652 places, 1314/1710 transitions.
RANDOM walk for 40003 steps (8 resets) in 395 ms. (101 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 9 ms. (400 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
Interrupted probabilistic random walk after 149538 steps, run timeout after 3001 ms. (steps per millisecond=49 ) properties seen :0 out of 16
Probabilistic random walk after 149538 steps, saw 91714 distinct states, run finished after 3001 ms. (steps per millisecond=49 ) properties seen :0
[2026-05-25 09:30:45] [INFO ] Flow matrix only has 754 transitions (discarded 560 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5653200756570624144.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3788266647847713742.kers'
[2026-05-25 09:30:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5653200756570624144.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3788266647847713742.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 754 rows 460 cols 2224 entries
Finished phase 1 with 457 SingleSign rule and 0 generalized
[2026-05-25 09:30:45] [INFO ] Computed 3 invariants in 3 ms
Computed 3 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3788266647847713742.kers
Total runtime 5 ms.
[2026-05-25 09:30:45] [INFO ] State equation strengthened by 89 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 12/17 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 38/55 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 398/453 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/453 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/453 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/453 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (OVERLAPS) 12/465 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/465 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/465 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (OVERLAPS) 622/1087 variables, 354/398 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1087 variables, 86/484 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1087 variables, 0/484 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (OVERLAPS) 62/1149 variables, 1/485 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1149 variables, 0/485 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 17 (OVERLAPS) 65/1214 variables, 67/552 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1214 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 19 (OVERLAPS) 0/1214 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1214/1214 variables, and 552 constraints, problems are : Problem set: 0 solved, 16 unsolved in 1457 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 460/460 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 16 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (OVERLAPS) 12/17 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 3 (OVERLAPS) 38/55 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/55 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 5 (OVERLAPS) 398/453 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/453 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/453 variables, 3/41 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/453 variables, 16/57 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/453 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 10 (OVERLAPS) 12/465 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/465 variables, 2/60 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/465 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 13 (OVERLAPS) 622/1087 variables, 354/414 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1087 variables, 86/500 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1087 variables, 1/501 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1087 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 17 (OVERLAPS) 62/1149 variables, 1/502 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1149 variables, 0/502 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 19 (OVERLAPS) 65/1214 variables, 67/569 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1214 variables, 7/576 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1214 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 22 (OVERLAPS) 0/1214 variables, 0/576 constraints. Problems are: Problem set: 0 solved, 16 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1214/1214 variables, and 576 constraints, problems are : Problem set: 0 solved, 16 unsolved in 5562 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 460/460 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 8/8 constraints]
After SMT, in 7043ms problems are : Problem set: 0 solved, 16 unsolved
Fused 16 Parikh solutions to 8 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 5 out of 460 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1314/1314 transitions.
Applied a total of 0 rules in 68 ms. Remains 460 /460 variables (removed 0) and now considering 1314/1314 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 69 ms. Remains : 460/460 places, 1314/1314 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 460/460 places, 1314/1314 transitions.
Applied a total of 0 rules in 66 ms. Remains 460 /460 variables (removed 0) and now considering 1314/1314 (removed 0) transitions.
[2026-05-25 09:30:53] [INFO ] Flow matrix only has 754 transitions (discarded 560 similar events)
[2026-05-25 09:30:53] [INFO ] Invariant cache hit.
[2026-05-25 09:30:53] [INFO ] Implicit Places using invariants in 294 ms returned []
[2026-05-25 09:30:53] [INFO ] Flow matrix only has 754 transitions (discarded 560 similar events)
[2026-05-25 09:30:53] [INFO ] Invariant cache hit.
[2026-05-25 09:30:53] [INFO ] State equation strengthened by 89 read => feed constraints.
[2026-05-25 09:30:55] [INFO ] Implicit Places using invariants and state equation in 2405 ms returned []
Implicit Place search using SMT with State Equation took 2701 ms to find 0 implicit places.
[2026-05-25 09:30:55] [INFO ] Redundant transitions in 29 ms returned []
Running 1312 sub problems to find dead transitions.
[2026-05-25 09:30:55] [INFO ] Flow matrix only has 754 transitions (discarded 560 similar events)
[2026-05-25 09:30:55] [INFO ] Invariant cache hit.
[2026-05-25 09:30:55] [INFO ] State equation strengthened by 89 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 460/1214 variables, and 4 constraints, problems are : Problem set: 0 solved, 1312 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/460 constraints, ReadFeed: 0/89 constraints, PredecessorRefiner: 1312/1312 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1312 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/460 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
At refinement iteration 3 (OVERLAPS) 754/1214 variables, 460/464 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1214 variables, 89/553 constraints. Problems are: Problem set: 0 solved, 1312 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1214/1214 variables, and 1865 constraints, problems are : Problem set: 0 solved, 1312 unsolved in 30883 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 460/460 constraints, ReadFeed: 89/89 constraints, PredecessorRefiner: 1312/1312 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62459ms problems are : Problem set: 0 solved, 1312 unsolved
Search for dead transitions found 0 dead transitions in 62463ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65278 ms. Remains : 460/460 places, 1314/1314 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 560 transitions
Reduce isomorphic transitions removed 560 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 568 rules applied. Total rules applied 568 place count 460 transition count 746
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 576 place count 452 transition count 746
Performed 85 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 85 Pre rules applied. Total rules applied 576 place count 452 transition count 661
Deduced a syphon composed of 85 places in 0 ms
Reduce places removed 85 places and 0 transitions.
Iterating global reduction 2 with 170 rules applied. Total rules applied 746 place count 367 transition count 661
Performed 134 Post agglomeration using F-continuation condition.Transition count delta: 134
Deduced a syphon composed of 134 places in 0 ms
Reduce places removed 134 places and 0 transitions.
Iterating global reduction 2 with 268 rules applied. Total rules applied 1014 place count 233 transition count 527
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1078 place count 169 transition count 399
Iterating global reduction 2 with 64 rules applied. Total rules applied 1142 place count 169 transition count 399
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 1144 place count 169 transition count 397
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1207 place count 106 transition count 271
Iterating global reduction 3 with 63 rules applied. Total rules applied 1270 place count 106 transition count 271
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1333 place count 43 transition count 145
Iterating global reduction 3 with 63 rules applied. Total rules applied 1396 place count 43 transition count 145
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1459 place count 43 transition count 82
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1459 place count 43 transition count 81
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1461 place count 42 transition count 81
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1463 place count 41 transition count 80
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 4 with 10 rules applied. Total rules applied 1473 place count 36 transition count 85
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 1475 place count 36 transition count 83
Drop transitions (Redundant composition of simpler transitions.) removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 5 with 11 rules applied. Total rules applied 1486 place count 36 transition count 72
Discarding 1 places :
Symmetric choice reduction at 5 with 1 rule applications. Total rules 1487 place count 35 transition count 71
Iterating global reduction 5 with 1 rules applied. Total rules applied 1488 place count 35 transition count 71
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 1492 place count 35 transition count 67
Applied a total of 1492 rules in 58 ms. Remains 35 /460 variables (removed 425) and now considering 67/1314 (removed 1247) transitions.
Running SMT prover for 16 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6459773636079262630.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16221601663787503346.kers'
[2026-05-25 09:31:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6459773636079262630.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16221601663787503346.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 67 rows 35 cols 220 entries
Finished phase 1 with 32 SingleSign rule and 0 generalized
[2026-05-25 09:31:58] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16221601663787503346.kers
Total runtime 1 ms.
[2026-05-25 09:31:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:31:58] [INFO ] After 79ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:16
[2026-05-25 09:31:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:31:58] [INFO ] After 113ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :16
[2026-05-25 09:31:58] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-25 09:31:58] [INFO ] After 41ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :16
TRAPS : Iteration 0
[2026-05-25 09:31:58] [INFO ] After 104ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :16
[2026-05-25 09:31:58] [INFO ] After 364ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :16
Over-approximation ignoring read arcs solved 0 properties in 521 ms.
Knowledge based reduction with 21 factoid took 880 ms. Reduced automaton from 17 states, 55 edges and 4 AP (stutter sensitive) to 17 states, 55 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 759 ms :[(NOT p3), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (NOT p1), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) p2), (AND (NOT p1) p2), (AND (NOT p1) (NOT p2)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p2)), (AND p1 (NOT p2))]
[2026-05-25 09:32:00] [INFO ] Flow matrix only has 1142 transitions (discarded 568 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4926880718803131005.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2712526867828638614.kers'
[2026-05-25 09:32:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4926880718803131005.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2712526867828638614.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1142 rows 652 cols 3128 entries
Finished phase 1 with 649 SingleSign rule and 1 generalized
[2026-05-25 09:32:00] [INFO ] Computed 2 invariants in 9 ms
Computed 2 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-2712526867828638614.kers
Total runtime 10 ms.
Proved EG (NOT p3) asserting that LTL formula F !(NOT p3) is false.
Negative knowledge disproves property using: (F p3)
Knowledge-based reduction took 87377 ms.
FORMULA FunctionPointer-PT-c064-LTLCardinality-00 FALSE TECHNIQUES NEGATIVE_KNOWLEDGE
Treatment of property FunctionPointer-PT-c064-LTLCardinality-00 finished in 157018 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 692 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 684 transition count 1790
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 684 transition count 1790
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 24 place count 684 transition count 1782
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 33 place count 675 transition count 1762
Iterating global reduction 1 with 9 rules applied. Total rules applied 42 place count 675 transition count 1762
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 46 place count 675 transition count 1758
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 53 place count 668 transition count 1738
Iterating global reduction 2 with 7 rules applied. Total rules applied 60 place count 668 transition count 1738
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 69 place count 659 transition count 1706
Iterating global reduction 2 with 9 rules applied. Total rules applied 78 place count 659 transition count 1706
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 87 place count 650 transition count 1678
Iterating global reduction 2 with 9 rules applied. Total rules applied 96 place count 650 transition count 1678
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 105 place count 641 transition count 1658
Iterating global reduction 2 with 9 rules applied. Total rules applied 114 place count 641 transition count 1658
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 123 place count 632 transition count 1640
Iterating global reduction 2 with 9 rules applied. Total rules applied 132 place count 632 transition count 1640
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 140 place count 624 transition count 1624
Iterating global reduction 2 with 8 rules applied. Total rules applied 148 place count 624 transition count 1624
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 156 place count 616 transition count 1608
Iterating global reduction 2 with 8 rules applied. Total rules applied 164 place count 616 transition count 1608
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 169 place count 611 transition count 1598
Iterating global reduction 2 with 5 rules applied. Total rules applied 174 place count 611 transition count 1598
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 175 place count 610 transition count 1596
Iterating global reduction 2 with 1 rules applied. Total rules applied 176 place count 610 transition count 1596
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 178 place count 610 transition count 1594
Applied a total of 178 rules in 449 ms. Remains 610 /692 variables (removed 82) and now considering 1594/1808 (removed 214) transitions.
[2026-05-25 09:32:01] [INFO ] Flow matrix only has 1066 transitions (discarded 528 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9994469668344633724.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8207836953189949159.kers'
[2026-05-25 09:32:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9994469668344633724.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8207836953189949159.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1066 rows 610 cols 2934 entries
Finished phase 1 with 607 SingleSign rule and 1 generalized
[2026-05-25 09:32:01] [INFO ] Computed 2 invariants in 4 ms
Computed 2 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8207836953189949159.kers
Total runtime 6 ms.
[2026-05-25 09:32:02] [INFO ] Implicit Places using invariants in 430 ms returned []
[2026-05-25 09:32:02] [INFO ] Flow matrix only has 1066 transitions (discarded 528 similar events)
[2026-05-25 09:32:02] [INFO ] Invariant cache hit.
[2026-05-25 09:32:02] [INFO ] State equation strengthened by 265 read => feed constraints.
[2026-05-25 09:32:05] [INFO ] Implicit Places using invariants and state equation in 2948 ms returned []
Implicit Place search using SMT with State Equation took 3383 ms to find 0 implicit places.
[2026-05-25 09:32:05] [INFO ] Redundant transitions in 40 ms returned []
Running 1592 sub problems to find dead transitions.
[2026-05-25 09:32:05] [INFO ] Flow matrix only has 1066 transitions (discarded 528 similar events)
[2026-05-25 09:32:05] [INFO ] Invariant cache hit.
[2026-05-25 09:32:05] [INFO ] State equation strengthened by 265 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/610 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1592 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/610 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1592 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 610/1676 variables, and 2 constraints, problems are : Problem set: 0 solved, 1592 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/610 constraints, ReadFeed: 0/265 constraints, PredecessorRefiner: 1592/1592 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1592 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/610 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1592 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/610 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1592 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 610/1676 variables, and 2 constraints, problems are : Problem set: 0 solved, 1592 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/610 constraints, ReadFeed: 0/265 constraints, PredecessorRefiner: 0/1592 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62357ms problems are : Problem set: 0 solved, 1592 unsolved
Search for dead transitions found 0 dead transitions in 62362ms
Starting structural reductions in SI_LTL mode, iteration 1 : 610/692 places, 1594/1808 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 66250 ms. Remains : 610/692 places, 1594/1808 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Running random walk in product with property : FunctionPointer-PT-c064-LTLCardinality-02
Stuttering criterion allowed to conclude after 59 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-c064-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-c064-LTLCardinality-02 finished in 66335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U X(p1))))'
Support contains 2 out of 692 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 684 transition count 1790
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 684 transition count 1790
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 24 place count 684 transition count 1782
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 33 place count 675 transition count 1762
Iterating global reduction 1 with 9 rules applied. Total rules applied 42 place count 675 transition count 1762
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 46 place count 675 transition count 1758
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 53 place count 668 transition count 1740
Iterating global reduction 2 with 7 rules applied. Total rules applied 60 place count 668 transition count 1740
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 69 place count 659 transition count 1710
Iterating global reduction 2 with 9 rules applied. Total rules applied 78 place count 659 transition count 1710
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 87 place count 650 transition count 1682
Iterating global reduction 2 with 9 rules applied. Total rules applied 96 place count 650 transition count 1682
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 104 place count 642 transition count 1664
Iterating global reduction 2 with 8 rules applied. Total rules applied 112 place count 642 transition count 1664
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 120 place count 634 transition count 1648
Iterating global reduction 2 with 8 rules applied. Total rules applied 128 place count 634 transition count 1648
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 135 place count 627 transition count 1634
Iterating global reduction 2 with 7 rules applied. Total rules applied 142 place count 627 transition count 1634
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 148 place count 621 transition count 1622
Iterating global reduction 2 with 6 rules applied. Total rules applied 154 place count 621 transition count 1622
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 159 place count 616 transition count 1612
Iterating global reduction 2 with 5 rules applied. Total rules applied 164 place count 616 transition count 1612
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 165 place count 615 transition count 1610
Iterating global reduction 2 with 1 rules applied. Total rules applied 166 place count 615 transition count 1610
Applied a total of 166 rules in 139 ms. Remains 615 /692 variables (removed 77) and now considering 1610/1808 (removed 198) transitions.
[2026-05-25 09:33:07] [INFO ] Flow matrix only has 1076 transitions (discarded 534 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6035196365714897496.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14013854762745776632.kers'
[2026-05-25 09:33:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6035196365714897496.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14013854762745776632.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1076 rows 615 cols 2956 entries
Finished phase 1 with 612 SingleSign rule and 1 generalized
[2026-05-25 09:33:07] [INFO ] Computed 2 invariants in 13 ms
Computed 2 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-14013854762745776632.kers
Total runtime 16 ms.
[2026-05-25 09:33:08] [INFO ] Implicit Places using invariants in 444 ms returned []
[2026-05-25 09:33:08] [INFO ] Flow matrix only has 1076 transitions (discarded 534 similar events)
[2026-05-25 09:33:08] [INFO ] Invariant cache hit.
[2026-05-25 09:33:08] [INFO ] State equation strengthened by 267 read => feed constraints.
[2026-05-25 09:33:11] [INFO ] Implicit Places using invariants and state equation in 2943 ms returned []
Implicit Place search using SMT with State Equation took 3391 ms to find 0 implicit places.
Running 1608 sub problems to find dead transitions.
[2026-05-25 09:33:11] [INFO ] Flow matrix only has 1076 transitions (discarded 534 similar events)
[2026-05-25 09:33:11] [INFO ] Invariant cache hit.
[2026-05-25 09:33:11] [INFO ] State equation strengthened by 267 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/615 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/615 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 615/1691 variables, and 2 constraints, problems are : Problem set: 0 solved, 1608 unsolved in 30046 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/615 constraints, ReadFeed: 0/267 constraints, PredecessorRefiner: 1608/1608 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1608 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/615 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/615 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1608 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 615/1691 variables, and 2 constraints, problems are : Problem set: 0 solved, 1608 unsolved in 30036 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/615 constraints, ReadFeed: 0/267 constraints, PredecessorRefiner: 0/1608 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62348ms problems are : Problem set: 0 solved, 1608 unsolved
Search for dead transitions found 0 dead transitions in 62354ms
Starting structural reductions in LTL mode, iteration 1 : 615/692 places, 1610/1808 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65896 ms. Remains : 615/692 places, 1610/1808 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0) U X(p1))))'
Stuttering acceptance computed with spot in 240 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-c064-LTLCardinality-05
Stuttering criterion allowed to conclude after 100 steps with 0 reset in 2 ms.
FORMULA FunctionPointer-PT-c064-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-c064-LTLCardinality-05 finished in 66182 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0)) U ((X(X(p0))&&(p1||F(p2)))||X(X(G(p0)))))))'
Support contains 3 out of 692 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 686 transition count 1794
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 686 transition count 1794
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 18 place count 686 transition count 1788
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 25 place count 679 transition count 1772
Iterating global reduction 1 with 7 rules applied. Total rules applied 32 place count 679 transition count 1772
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 36 place count 679 transition count 1768
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 41 place count 674 transition count 1756
Iterating global reduction 2 with 5 rules applied. Total rules applied 46 place count 674 transition count 1756
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 53 place count 667 transition count 1734
Iterating global reduction 2 with 7 rules applied. Total rules applied 60 place count 667 transition count 1734
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 67 place count 660 transition count 1712
Iterating global reduction 2 with 7 rules applied. Total rules applied 74 place count 660 transition count 1712
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 80 place count 654 transition count 1698
Iterating global reduction 2 with 6 rules applied. Total rules applied 86 place count 654 transition count 1698
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 92 place count 648 transition count 1686
Iterating global reduction 2 with 6 rules applied. Total rules applied 98 place count 648 transition count 1686
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 103 place count 643 transition count 1676
Iterating global reduction 2 with 5 rules applied. Total rules applied 108 place count 643 transition count 1676
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 113 place count 638 transition count 1666
Iterating global reduction 2 with 5 rules applied. Total rules applied 118 place count 638 transition count 1666
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 122 place count 634 transition count 1658
Iterating global reduction 2 with 4 rules applied. Total rules applied 126 place count 634 transition count 1658
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 127 place count 633 transition count 1656
Iterating global reduction 2 with 1 rules applied. Total rules applied 128 place count 633 transition count 1656
Applied a total of 128 rules in 140 ms. Remains 633 /692 variables (removed 59) and now considering 1656/1808 (removed 152) transitions.
[2026-05-25 09:34:14] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17439747723266946173.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12923831130297643118.kers'
[2026-05-25 09:34:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17439747723266946173.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12923831130297643118.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1105 rows 633 cols 3032 entries
Finished phase 1 with 630 SingleSign rule and 1 generalized
[2026-05-25 09:34:14] [INFO ] Computed 2 invariants in 9 ms
Computed 2 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-12923831130297643118.kers
Total runtime 12 ms.
[2026-05-25 09:34:14] [INFO ] Implicit Places using invariants in 426 ms returned []
[2026-05-25 09:34:14] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
[2026-05-25 09:34:14] [INFO ] Invariant cache hit.
[2026-05-25 09:34:14] [INFO ] State equation strengthened by 271 read => feed constraints.
[2026-05-25 09:34:17] [INFO ] Implicit Places using invariants and state equation in 3044 ms returned []
Implicit Place search using SMT with State Equation took 3474 ms to find 0 implicit places.
Running 1654 sub problems to find dead transitions.
[2026-05-25 09:34:17] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
[2026-05-25 09:34:17] [INFO ] Invariant cache hit.
[2026-05-25 09:34:17] [INFO ] State equation strengthened by 271 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/633 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/633 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 633/1738 variables, and 2 constraints, problems are : Problem set: 0 solved, 1654 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/633 constraints, ReadFeed: 0/271 constraints, PredecessorRefiner: 1654/1654 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1654 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/633 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/633 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 633/1738 variables, and 2 constraints, problems are : Problem set: 0 solved, 1654 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/633 constraints, ReadFeed: 0/271 constraints, PredecessorRefiner: 0/1654 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62425ms problems are : Problem set: 0 solved, 1654 unsolved
Search for dead transitions found 0 dead transitions in 62428ms
Starting structural reductions in LTL mode, iteration 1 : 633/692 places, 1656/1808 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66052 ms. Remains : 633/692 places, 1656/1808 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0)) U (X(X(G(p0)))||(X(X(p0))&&(p1||F(p2)))))))'
Stuttering acceptance computed with spot in 378 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p2) (NOT p0)), (NOT p0), (AND (NOT p2) (NOT p0)), true, (NOT p2)]
Running random walk in product with property : FunctionPointer-PT-c064-LTLCardinality-11
Product exploration explored 100000 steps with 25000 reset in 595 ms.
Product exploration explored 100000 steps with 25000 reset in 655 ms.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge based reduction with 9 factoid took 72 ms. Reduced automaton from 9 states, 12 edges and 3 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40027 steps (8 resets) in 133 ms. (298 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (13 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 456761 steps, run timeout after 3001 ms. (steps per millisecond=152 ) properties seen :0 out of 1
Probabilistic random walk after 456761 steps, saw 296469 distinct states, run finished after 3003 ms. (steps per millisecond=152 ) properties seen :0
[2026-05-25 09:35:24] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
[2026-05-25 09:35:24] [INFO ] Invariant cache hit.
[2026-05-25 09:35:24] [INFO ] State equation strengthened by 271 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/18 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/33 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 562/595 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/595 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/595 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 9/604 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/604 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/604 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 940/1544 variables, 476/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1544 variables, 269/772 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1544 variables, 0/772 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1606 variables, 1/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1606 variables, 0/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 132/1738 variables, 133/906 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1738 variables, 0/906 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1738 variables, 0/906 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1738/1738 variables, and 906 constraints, problems are : Problem set: 0 solved, 1 unsolved in 543 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 633/633 constraints, ReadFeed: 271/271 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
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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/18 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/33 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 562/595 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/595 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/595 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/595 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/604 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/604 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/604 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 940/1544 variables, 476/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1544 variables, 269/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1544 variables, 0/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1606 variables, 1/774 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1606 variables, 0/774 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 132/1738 variables, 133/907 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1738 variables, 1/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1738 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1738 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1738/1738 variables, and 908 constraints, problems are : Problem set: 0 solved, 1 unsolved in 791 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 633/633 constraints, ReadFeed: 271/271 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1346ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 633 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 633/633 places, 1656/1656 transitions.
Graph (complete) has 2752 edges and 633 vertex of which 441 are kept as prefixes of interest. Removing 192 places using SCC suffix rule.0 ms
Discarding 192 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Iterating post reduction 0 with 384 rules applied. Total rules applied 385 place count 441 transition count 1272
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 387 place count 439 transition count 1268
Iterating global reduction 1 with 2 rules applied. Total rules applied 389 place count 439 transition count 1268
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 391 place count 439 transition count 1266
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 393 place count 437 transition count 1262
Iterating global reduction 2 with 2 rules applied. Total rules applied 395 place count 437 transition count 1262
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 397 place count 435 transition count 1256
Iterating global reduction 2 with 2 rules applied. Total rules applied 399 place count 435 transition count 1256
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 401 place count 433 transition count 1248
Iterating global reduction 2 with 2 rules applied. Total rules applied 403 place count 433 transition count 1248
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 405 place count 431 transition count 1242
Iterating global reduction 2 with 2 rules applied. Total rules applied 407 place count 431 transition count 1242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 409 place count 429 transition count 1238
Iterating global reduction 2 with 2 rules applied. Total rules applied 411 place count 429 transition count 1238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 413 place count 427 transition count 1234
Iterating global reduction 2 with 2 rules applied. Total rules applied 415 place count 427 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 417 place count 425 transition count 1230
Iterating global reduction 2 with 2 rules applied. Total rules applied 419 place count 425 transition count 1230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 421 place count 423 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 423 place count 423 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 424 place count 422 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 425 place count 422 transition count 1224
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 429 place count 422 transition count 1220
Applied a total of 429 rules in 163 ms. Remains 422 /633 variables (removed 211) and now considering 1220/1656 (removed 436) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163 ms. Remains : 422/633 places, 1220/1656 transitions.
RANDOM walk for 40006 steps (8 resets) in 210 ms. (189 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 532948 steps, run timeout after 3001 ms. (steps per millisecond=177 ) properties seen :0 out of 1
Probabilistic random walk after 532948 steps, saw 326798 distinct states, run finished after 3002 ms. (steps per millisecond=177 ) properties seen :0
[2026-05-25 09:35:29] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15812254097752168034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10436343920929665627.kers'
[2026-05-25 09:35:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15812254097752168034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10436343920929665627.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 689 rows 422 cols 2052 entries
Finished phase 1 with 419 SingleSign rule and 0 generalized
[2026-05-25 09:35:29] [INFO ] Computed 3 invariants in 7 ms
Computed 3 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-10436343920929665627.kers
Total runtime 9 ms.
[2026-05-25 09:35:29] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 7/384 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/384 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 600/984 variables, 335/360 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/984 variables, 73/433 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 1/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 0/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1046 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1046 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 65/1111 variables, 66/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/1111 variables, 0/501 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 501 constraints, problems are : Problem set: 0 solved, 1 unsolved in 504 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 352/377 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/377 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/377 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/377 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/384 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/384 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/384 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 600/984 variables, 335/361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/984 variables, 73/434 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/984 variables, 1/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/984 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 62/1046 variables, 1/436 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1046 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 65/1111 variables, 66/502 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1111 variables, 1/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/1111 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/1111 variables, 0/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1111/1111 variables, and 503 constraints, problems are : Problem set: 0 solved, 1 unsolved in 511 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1045ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 1 out of 422 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 49 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 422/422 places, 1220/1220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 422/422 places, 1220/1220 transitions.
Applied a total of 0 rules in 49 ms. Remains 422 /422 variables (removed 0) and now considering 1220/1220 (removed 0) transitions.
[2026-05-25 09:35:30] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2026-05-25 09:35:30] [INFO ] Invariant cache hit.
[2026-05-25 09:35:30] [INFO ] Implicit Places using invariants in 296 ms returned []
[2026-05-25 09:35:30] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2026-05-25 09:35:30] [INFO ] Invariant cache hit.
[2026-05-25 09:35:31] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-25 09:35:51] [INFO ] Implicit Places using invariants and state equation in 20301 ms returned []
Implicit Place search using SMT with State Equation took 20602 ms to find 0 implicit places.
[2026-05-25 09:35:51] [INFO ] Redundant transitions in 19 ms returned []
Running 1218 sub problems to find dead transitions.
[2026-05-25 09:35:51] [INFO ] Flow matrix only has 689 transitions (discarded 531 similar events)
[2026-05-25 09:35:51] [INFO ] Invariant cache hit.
[2026-05-25 09:35:51] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 2 (OVERLAPS) 689/1111 variables, 422/425 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1111 variables, 75/500 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1111/1111 variables, and 500 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30042 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 422/422 constraints, ReadFeed: 75/75 constraints, PredecessorRefiner: 1218/1218 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1218 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/422 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/422 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1218 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 422/1111 variables, and 4 constraints, problems are : Problem set: 0 solved, 1218 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/422 constraints, ReadFeed: 0/75 constraints, PredecessorRefiner: 0/1218 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61250ms problems are : Problem set: 0 solved, 1218 unsolved
Search for dead transitions found 0 dead transitions in 61252ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81942 ms. Remains : 422/422 places, 1220/1220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 531 transitions
Reduce isomorphic transitions removed 531 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 541 rules applied. Total rules applied 541 place count 422 transition count 679
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 551 place count 412 transition count 679
Performed 73 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 73 Pre rules applied. Total rules applied 551 place count 412 transition count 606
Deduced a syphon composed of 73 places in 0 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 697 place count 339 transition count 606
Performed 127 Post agglomeration using F-continuation condition.Transition count delta: 127
Deduced a syphon composed of 127 places in 0 ms
Reduce places removed 127 places and 0 transitions.
Iterating global reduction 2 with 254 rules applied. Total rules applied 951 place count 212 transition count 479
Discarding 64 places :
Symmetric choice reduction at 2 with 64 rule applications. Total rules 1015 place count 148 transition count 351
Iterating global reduction 2 with 64 rules applied. Total rules applied 1079 place count 148 transition count 351
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 1080 place count 148 transition count 350
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1143 place count 85 transition count 224
Iterating global reduction 3 with 63 rules applied. Total rules applied 1206 place count 85 transition count 224
Discarding 63 places :
Symmetric choice reduction at 3 with 63 rule applications. Total rules 1269 place count 22 transition count 98
Iterating global reduction 3 with 63 rules applied. Total rules applied 1332 place count 22 transition count 98
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 63 transitions.
Iterating post reduction 3 with 63 rules applied. Total rules applied 1395 place count 22 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 1395 place count 22 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1397 place count 21 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1399 place count 20 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 1401 place count 19 transition count 33
Applied a total of 1401 rules in 21 ms. Remains 19 /422 variables (removed 403) and now considering 33/1220 (removed 1187) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11350191411815142529.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6782553783764440887.kers'
[2026-05-25 09:36:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11350191411815142529.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6782553783764440887.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 33 rows 19 cols 108 entries
Finished phase 1 with 16 SingleSign rule and 0 generalized
[2026-05-25 09:36:52] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6782553783764440887.kers
Total runtime 1 ms.
[2026-05-25 09:36:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:36:52] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2026-05-25 09:36:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2026-05-25 09:36:52] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-25 09:36:52] [INFO ] After 39ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-25 09:36:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2026-05-25 09:36:52] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2026-05-25 09:36:52] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 09:36:52] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 09:36:52] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 127 ms.
Knowledge based reduction with 9 factoid took 63 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 189 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Knowledge-based reduction took 91259 ms.
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 1 out of 633 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 633/633 places, 1656/1656 transitions.
Applied a total of 0 rules in 15 ms. Remains 633 /633 variables (removed 0) and now considering 1656/1656 (removed 0) transitions.
[2026-05-25 09:36:53] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14138741288803416773.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-412602496011975635.kers'
[2026-05-25 09:36:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14138741288803416773.kers, --Pflows, --basisKERS=/tmp/petrispot-output-412602496011975635.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1105 rows 633 cols 3032 entries
Finished phase 1 with 630 SingleSign rule and 1 generalized
[2026-05-25 09:36:53] [INFO ] Computed 2 invariants in 9 ms
Computed 2 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-412602496011975635.kers
Total runtime 12 ms.
[2026-05-25 09:36:53] [INFO ] Implicit Places using invariants in 427 ms returned []
[2026-05-25 09:36:53] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
[2026-05-25 09:36:53] [INFO ] Invariant cache hit.
[2026-05-25 09:36:53] [INFO ] State equation strengthened by 271 read => feed constraints.
[2026-05-25 09:36:56] [INFO ] Implicit Places using invariants and state equation in 3185 ms returned []
Implicit Place search using SMT with State Equation took 3616 ms to find 0 implicit places.
Running 1654 sub problems to find dead transitions.
[2026-05-25 09:36:56] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
[2026-05-25 09:36:56] [INFO ] Invariant cache hit.
[2026-05-25 09:36:56] [INFO ] State equation strengthened by 271 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/633 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/633 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 633/1738 variables, and 2 constraints, problems are : Problem set: 0 solved, 1654 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/633 constraints, ReadFeed: 0/271 constraints, PredecessorRefiner: 1654/1654 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1654 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/633 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/633 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1654 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 633/1738 variables, and 2 constraints, problems are : Problem set: 0 solved, 1654 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/633 constraints, ReadFeed: 0/271 constraints, PredecessorRefiner: 0/1654 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62504ms problems are : Problem set: 0 solved, 1654 unsolved
Search for dead transitions found 0 dead transitions in 62510ms
Finished structural reductions in LTL mode , in 1 iterations and 66151 ms. Remains : 633/633 places, 1656/1656 transitions.
Computed a total of 192 stabilizing places and 512 stable transitions
Computed a total of 192 stabilizing places and 512 stable transitions
Knowledge based reduction with 1 factoid took 67 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 40053 steps (8 resets) in 141 ms. (282 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (15 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 446456 steps, run timeout after 3001 ms. (steps per millisecond=148 ) properties seen :0 out of 1
Probabilistic random walk after 446456 steps, saw 289783 distinct states, run finished after 3001 ms. (steps per millisecond=148 ) properties seen :0
[2026-05-25 09:38:02] [INFO ] Flow matrix only has 1105 transitions (discarded 551 similar events)
[2026-05-25 09:38:02] [INFO ] Invariant cache hit.
[2026-05-25 09:38:02] [INFO ] State equation strengthened by 271 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/18 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/33 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 562/595 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/595 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/595 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 9/604 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/604 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/604 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 940/1544 variables, 476/503 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/1544 variables, 269/772 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1544 variables, 0/772 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 62/1606 variables, 1/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1606 variables, 0/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 132/1738 variables, 133/906 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 21 (INCLUDED_ONLY) 0/1738 variables, 0/906 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1738 variables, 0/906 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1738/1738 variables, and 906 constraints, problems are : Problem set: 0 solved, 1 unsolved in 573 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 633/633 constraints, ReadFeed: 271/271 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
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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/9 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 9/18 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/33 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/33 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 562/595 variables, 11/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/595 variables, 2/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/595 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/595 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 9/604 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/604 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/604 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 940/1544 variables, 476/504 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/1544 variables, 269/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1544 variables, 0/773 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 62/1606 variables, 1/774 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/1606 variables, 0/774 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 132/1738 variables, 133/907 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/1738 variables, 1/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/1738 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/1738 variables, 0/908 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1738/1738 variables, and 908 constraints, problems are : Problem set: 0 solved, 1 unsolved in 781 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 633/633 constraints, ReadFeed: 271/271 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 1365ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 633 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 633/633 places, 1656/1656 transitions.
Graph (complete) has 2752 edges and 633 vertex of which 441 are kept as prefixes of interest. Removing 192 places using SCC suffix rule.1 ms
Discarding 192 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 384 transitions
Reduce isomorphic transitions removed 384 transitions.
Iterating post reduction 0 with 384 rules applied. Total rules applied 385 place count 441 transition count 1272
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 387 place count 439 transition count 1268
Iterating global reduction 1 with 2 rules applied. Total rules applied 389 place count 439 transition count 1268
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 391 place count 439 transition count 1266
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 393 place count 437 transition count 1262
Iterating global reduction 2 with 2 rules applied. Total rules applied 395 place count 437 transition count 1262
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 397 place count 435 transition count 1256
Iterating global reduction 2 with 2 rules applied. Total rules applied 399 place count 435 transition count 1256
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 401 place count 433 transition count 1248
Iterating global reduction 2 with 2 rules applied. Total rules applied 403 place count 433 transition count 1248
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 405 place count 431 transition count 1242
Iterating global reduction 2 with 2 rules applied. Total rules applied 407 place count 431 transition count 1242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 409 place count 429 transition count 1238
Iterating global reduction 2 with 2 rules applied. Total rules applied 411 place count 429 transition count 1238
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 413 place count 427 transition count 1234
Iterating global reduction 2 with 2 rules applied. Total rules applied 415 place count 427 transition count 1234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 417 place count 425 transition count 1230
Iterating global reduction 2 with 2 rules applied. Total rules applied 419 place count 425 transition count 1230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 421 place count 423 transition count 1226
Iterating global reduction 2 with 2 rules applied. Total rules applied 423 place count 423 transition count 1226
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 424 place count 422 transition count 1224
Iterating global reduction 2 with 1 rules applied. Total rules applied 425 place count 422 transition count 1224
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 429 place count 422 transition count 1220
Applied a total of 429 rules in 168 ms. Remains 422 /633 variables (removed 211) and now considering 1220/1656 (removed 436) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 168 ms. Remains : 422/633 places, 1220/1656 transitions.
RANDOM walk for 31238 steps (6 resets) in 148 ms. (209 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 49 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Knowledge-based reduction took 4990 ms.
Stuttering acceptance computed with spot in 173 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 187 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 25000 reset in 607 ms.
Product exploration explored 100000 steps with 25000 reset in 613 ms.
Spot run failed in 78 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin11464112149417371286
[2026-05-25 09:38:05] [INFO ] Built C files in 35ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11464112149417371286
Running compilation step : cd /tmp/ltsmin11464112149417371286;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11464112149417371286;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin11464112149417371286;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 1 out of 633 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 633/633 places, 1656/1656 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 631 transition count 1652
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 631 transition count 1652
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 631 transition count 1650
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 629 transition count 1646
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 629 transition count 1646
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 627 transition count 1640
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 627 transition count 1640
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 625 transition count 1632
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 625 transition count 1632
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 20 place count 623 transition count 1626
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 623 transition count 1626
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 621 transition count 1622
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 621 transition count 1622
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 619 transition count 1618
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 619 transition count 1618
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 32 place count 617 transition count 1614
Iterating global reduction 1 with 2 rules applied. Total rules applied 34 place count 617 transition count 1614
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 36 place count 615 transition count 1610
Iterating global reduction 1 with 2 rules applied. Total rules applied 38 place count 615 transition count 1610
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 39 place count 614 transition count 1608
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 614 transition count 1608
Applied a total of 40 rules in 111 ms. Remains 614 /633 variables (removed 19) and now considering 1608/1656 (removed 48) transitions.
[2026-05-25 09:38:09] [INFO ] Flow matrix only has 1073 transitions (discarded 535 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6789645244050732775.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13738694983357085827.kers'
[2026-05-25 09:38:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6789645244050732775.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13738694983357085827.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1073 rows 614 cols 2948 entries
Finished phase 1 with 611 SingleSign rule and 1 generalized
[2026-05-25 09:38:09] [INFO ] Computed 2 invariants in 4 ms
Computed 2 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-13738694983357085827.kers
Total runtime 6 ms.
[2026-05-25 09:38:09] [INFO ] Implicit Places using invariants in 410 ms returned []
[2026-05-25 09:38:09] [INFO ] Flow matrix only has 1073 transitions (discarded 535 similar events)
[2026-05-25 09:38:09] [INFO ] Invariant cache hit.
[2026-05-25 09:38:09] [INFO ] State equation strengthened by 265 read => feed constraints.
[2026-05-25 09:38:13] [INFO ] Implicit Places using invariants and state equation in 3634 ms returned []
Implicit Place search using SMT with State Equation took 4047 ms to find 0 implicit places.
Running 1606 sub problems to find dead transitions.
[2026-05-25 09:38:13] [INFO ] Flow matrix only has 1073 transitions (discarded 535 similar events)
[2026-05-25 09:38:13] [INFO ] Invariant cache hit.
[2026-05-25 09:38:13] [INFO ] State equation strengthened by 265 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/614 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/614 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 614/1687 variables, and 2 constraints, problems are : Problem set: 0 solved, 1606 unsolved in 30038 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/614 constraints, ReadFeed: 0/265 constraints, PredecessorRefiner: 1606/1606 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1606 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/614 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/614 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1606 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 614/1687 variables, and 2 constraints, problems are : Problem set: 0 solved, 1606 unsolved in 30037 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/614 constraints, ReadFeed: 0/265 constraints, PredecessorRefiner: 0/1606 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 62561ms problems are : Problem set: 0 solved, 1606 unsolved
Search for dead transitions found 0 dead transitions in 62564ms
Starting structural reductions in LTL mode, iteration 1 : 614/633 places, 1608/1656 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 66733 ms. Remains : 614/633 places, 1608/1656 transitions.
Built C files in :
/tmp/ltsmin2073698958953836683
[2026-05-25 09:39:15] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2073698958953836683
Running compilation step : cd /tmp/ltsmin2073698958953836683;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 2979 ms.
Running link step : cd /tmp/ltsmin2073698958953836683;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin2073698958953836683;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased9854699878836558953.hoa' '--buchi-type=spotba'
LTSmin run took 135 ms.
FORMULA FunctionPointer-PT-c064-LTLCardinality-11 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FunctionPointer-PT-c064-LTLCardinality-11 finished in 305078 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(G(p1)))))))'
Support contains 2 out of 692 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 692/692 places, 1808/1808 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 683 transition count 1788
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 683 transition count 1788
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 26 place count 683 transition count 1780
Discarding 10 places :
Symmetric choice reduction at 1 with 10 rule applications. Total rules 36 place count 673 transition count 1758
Iterating global reduction 1 with 10 rules applied. Total rules applied 46 place count 673 transition count 1758
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 50 place count 673 transition count 1754
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 58 place count 665 transition count 1732
Iterating global reduction 2 with 8 rules applied. Total rules applied 66 place count 665 transition count 1732
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 76 place count 655 transition count 1698
Iterating global reduction 2 with 10 rules applied. Total rules applied 86 place count 655 transition count 1698
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 96 place count 645 transition count 1668
Iterating global reduction 2 with 10 rules applied. Total rules applied 106 place count 645 transition count 1668
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 115 place count 636 transition count 1648
Iterating global reduction 2 with 9 rules applied. Total rules applied 124 place count 636 transition count 1648
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 133 place count 627 transition count 1630
Iterating global reduction 2 with 9 rules applied. Total rules applied 142 place count 627 transition count 1630
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 150 place count 619 transition count 1614
Iterating global reduction 2 with 8 rules applied. Total rules applied 158 place count 619 transition count 1614
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 166 place count 611 transition count 1598
Iterating global reduction 2 with 8 rules applied. Total rules applied 174 place count 611 transition count 1598
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 179 place count 606 transition count 1588
Iterating global reduction 2 with 5 rules applied. Total rules applied 184 place count 606 transition count 1588
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 185 place count 605 transition count 1586
Iterating global reduction 2 with 1 rules applied. Total rules applied 186 place count 605 transition count 1586
Applied a total of 186 rules in 130 ms. Remains 605 /692 variables (removed 87) and now considering 1586/1808 (removed 222) transitions.
[2026-05-25 09:39:19] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7359587133271390104.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5548357939993842742.kers'
[2026-05-25 09:39:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7359587133271390104.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5548357939993842742.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1058 rows 605 cols 2908 entries
Finished phase 1 with 602 SingleSign rule and 1 generalized
[2026-05-25 09:39:19] [INFO ] Computed 2 invariants in 9 ms
Computed 2 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-5548357939993842742.kers
Total runtime 12 ms.
[2026-05-25 09:39:19] [INFO ] Implicit Places using invariants in 416 ms returned []
[2026-05-25 09:39:19] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2026-05-25 09:39:19] [INFO ] Invariant cache hit.
[2026-05-25 09:39:19] [INFO ] State equation strengthened by 262 read => feed constraints.
[2026-05-25 09:39:22] [INFO ] Implicit Places using invariants and state equation in 2898 ms returned []
Implicit Place search using SMT with State Equation took 3315 ms to find 0 implicit places.
Running 1584 sub problems to find dead transitions.
[2026-05-25 09:39:22] [INFO ] Flow matrix only has 1058 transitions (discarded 528 similar events)
[2026-05-25 09:39:22] [INFO ] Invariant cache hit.
[2026-05-25 09:39:22] [INFO ] State equation strengthened by 262 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/605 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/605 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 605/1663 variables, and 2 constraints, problems are : Problem set: 0 solved, 1584 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/605 constraints, ReadFeed: 0/262 constraints, PredecessorRefiner: 1584/1584 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1584 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/605 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/605 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/605 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1584 unsolved
SMT process timed out in 62348ms, After SMT, problems are : Problem set: 0 solved, 1584 unsolved
Search for dead transitions found 0 dead transitions in 62364ms
Starting structural reductions in LTL mode, iteration 1 : 605/692 places, 1586/1808 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65818 ms. Remains : 605/692 places, 1586/1808 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(G(p1)))))))'
Stuttering acceptance computed with spot in 233 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-c064-LTLCardinality-12
Stuttering criterion allowed to conclude after 1673 steps with 12 reset in 16 ms.
FORMULA FunctionPointer-PT-c064-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-c064-LTLCardinality-12 finished in 66108 ms.
All properties solved by simple procedures.
Total runtime 816488 ms.
BK_STOP 1779702025139
--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="FunctionPointer-PT-c064"
export BK_EXAMINATION="LTLCardinality"
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 2-5973"
echo " Executing tool itstools"
echo " Input is FunctionPointer-PT-c064, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r146-tall-177961074000155"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-c064.tgz
mv FunctionPointer-PT-c064 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;