About the Execution of ITS-Tools for LamportFastMutEx-COL-5
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 698.319 | 524385.00 | 598440.00 | 1619.00 | FTFFTFTFFTTFFFTF | 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.r162-smll-177961107800363.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 LamportFastMutEx-COL-5, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961107800363
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 8.4K Mar 7 16:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 16:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 16:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 7 16:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 11:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 11:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 16:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 7 16:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 16:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K Mar 7 16:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 11:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 11:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 41K 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 LamportFastMutEx-COL-5-LTLCardinality-00
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-01
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-02
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-03
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-04
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-05
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-06
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-07
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-08
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-09
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-10
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-11
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-12
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-13
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-14
FORMULA_NAME LamportFastMutEx-COL-5-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779846280344
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-5
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-27 01:44:42] [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]
[2026-05-27 01:44:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 01:44:42] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-27 01:44:43] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-27 01:44:43] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 977 ms
[2026-05-27 01:44:43] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 174 PT places and 396.0 transition bindings in 42 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 30 ms.
Working with output stream class java.io.PrintStream
[2026-05-27 01:44:44] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 7 ms.
[2026-05-27 01:44:44] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 4 formulas.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-5-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-5-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-5-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 12 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 40026 steps (8 resets) in 323 ms. (123 steps per ms) remains 1/25 properties
BEST_FIRST walk for 40003 steps (8 resets) in 306 ms. (130 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4410507411418300128.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9768731396014727366.kers'
[2026-05-27 01:44:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4410507411418300128.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9768731396014727366.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 17 rows 15 cols 36 entries
Finished phase 1 with 13 SingleSign rule and 0 generalized
[2026-05-27 01:44:44] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9768731396014727366.kers
Total runtime 2 ms.
[2026-05-27 01:44:44] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp14 is UNSAT
After SMT solving in domain Real declared 13/32 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 1/2 constraints, State Equation: 0/15 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 232ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
[2026-05-27 01:44:44] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2026-05-27 01:44:44] [INFO ] Flatten gal took : 25 ms
[2026-05-27 01:44:44] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-5-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-27 01:44:44] [INFO ] Flatten gal took : 5 ms
Domain [pid(6), pid(6)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-27 01:44:44] [INFO ] Unfolded HLPN to a Petri net with 174 places and 318 transitions 1380 arcs in 44 ms.
[2026-05-27 01:44:44] [INFO ] Unfolded 10 HLPN properties in 1 ms.
Deduced a syphon composed of 37 places in 2 ms
Reduce places removed 37 places and 58 transitions.
Support contains 105 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 260/260 transitions.
Applied a total of 0 rules in 18 ms. Remains 137 /137 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2026-05-27 01:44:45] [INFO ] Flow matrix only has 200 transitions (discarded 60 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1603691342878599353.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16163552688259203530.kers'
[2026-05-27 01:44:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1603691342878599353.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16163552688259203530.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 200 rows 132 cols 620 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:44:45] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16163552688259203530.kers
Total runtime 2 ms.
[2026-05-27 01:44:45] [INFO ] Implicit Places using invariants in 174 ms returned []
[2026-05-27 01:44:45] [INFO ] Flow matrix only has 200 transitions (discarded 60 similar events)
[2026-05-27 01:44:45] [INFO ] Invariant cache hit.
[2026-05-27 01:44:45] [INFO ] State equation strengthened by 55 read => feed constraints.
[2026-05-27 01:44:45] [INFO ] Implicit Places using invariants and state equation in 347 ms returned []
Implicit Place search using SMT with State Equation took 534 ms to find 0 implicit places.
Running 255 sub problems to find dead transitions.
[2026-05-27 01:44:45] [INFO ] Flow matrix only has 200 transitions (discarded 60 similar events)
[2026-05-27 01:44:45] [INFO ] Invariant cache hit.
[2026-05-27 01:44:45] [INFO ] State equation strengthened by 55 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/137 variables, 37/37 constraints. Problems are: Problem set: 0 solved, 255 unsolved
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD86 is UNSAT
Problem TDEAD93 is UNSAT
Problem TDEAD100 is UNSAT
Problem TDEAD107 is UNSAT
Problem TDEAD114 is UNSAT
Problem TDEAD135 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD142 is UNSAT
Problem TDEAD143 is UNSAT
Problem TDEAD144 is UNSAT
At refinement iteration 1 (INCLUDED_ONLY) 0/137 variables, 20/57 constraints. Problems are: Problem set: 26 solved, 229 unsolved
Problem TDEAD115 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD130 is UNSAT
Problem TDEAD115 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD130 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 20/77 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 14/91 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 4/95 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 1/96 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 2/98 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 5/103 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 1/104 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/137 variables, 0/104 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 10 (OVERLAPS) 200/337 variables, 137/241 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/337 variables, 55/296 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/337 variables, 7/303 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/337 variables, 3/306 constraints. Problems are: Problem set: 30 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 337/337 variables, and 306 constraints, problems are : Problem set: 30 solved, 225 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 255/255 constraints, Known Traps: 77/77 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 30 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 52/59 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/59 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/137 variables, 30/89 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 25/114 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 4/118 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 0/118 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 7 (OVERLAPS) 200/337 variables, 137/255 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/337 variables, 55/310 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/337 variables, 225/535 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/337 variables, 2/537 constraints. Problems are: Problem set: 30 solved, 225 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/337 variables, 4/541 constraints. Problems are: Problem set: 30 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 337/337 variables, and 542 constraints, problems are : Problem set: 30 solved, 225 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 55/55 constraints, PredecessorRefiner: 225/255 constraints, Known Traps: 87/87 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 60348ms problems are : Problem set: 30 solved, 225 unsolved
Search for dead transitions found 30 dead transitions in 60361ms
Found 30 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 30 transitions
Dead transitions reduction (with SMT) removed 30 transitions
Starting structural reductions in LTL mode, iteration 1 : 137/137 places, 230/260 transitions.
Applied a total of 0 rules in 5 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 60969 ms. Remains : 137/137 places, 230/260 transitions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 4 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:45:45] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5006548542891783036.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9816132134090685435.kers'
[2026-05-27 01:45:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5006548542891783036.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9816132134090685435.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 132 cols 580 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:45:45] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9816132134090685435.kers
Total runtime 2 ms.
[2026-05-27 01:45:46] [INFO ] Implicit Places using invariants in 170 ms returned []
[2026-05-27 01:45:46] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:45:46] [INFO ] Invariant cache hit.
[2026-05-27 01:45:46] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-27 01:45:46] [INFO ] Implicit Places using invariants and state equation in 342 ms returned []
Implicit Place search using SMT with State Equation took 516 ms to find 0 implicit places.
Running 225 sub problems to find dead transitions.
[2026-05-27 01:45:46] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:45:46] [INFO ] Invariant cache hit.
[2026-05-27 01:45:46] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (OVERLAPS) 5/137 variables, 30/37 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 12/109 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (OVERLAPS) 180/317 variables, 137/247 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 50/297 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 317/317 variables, and 298 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30018 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 74/74 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 51/58 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/137 variables, 30/88 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 23/111 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 6/117 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 4/127 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/137 variables, 3/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/137 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/317 variables, 137/268 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/317 variables, 50/318 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/317 variables, 225/543 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/317 variables, 4/547 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 317/317 variables, and 548 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 99/99 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60170ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 60175ms
Finished structural reductions in LTL mode , in 1 iterations and 60698 ms. Remains : 137/137 places, 230/230 transitions.
Support contains 105 out of 137 places after structural reductions.
[2026-05-27 01:46:46] [INFO ] Flatten gal took : 46 ms
[2026-05-27 01:46:46] [INFO ] Flatten gal took : 36 ms
[2026-05-27 01:46:46] [INFO ] Input system was already deterministic with 230 transitions.
RANDOM walk for 40000 steps (8 resets) in 1000 ms. (39 steps per ms) remains 2/19 properties
BEST_FIRST walk for 40004 steps (8 resets) in 161 ms. (246 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 174 ms. (228 steps per ms) remains 2/2 properties
[2026-05-27 01:46:47] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:46:47] [INFO ] Invariant cache hit.
[2026-05-27 01:46:47] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp11 is UNSAT
At refinement iteration 1 (OVERLAPS) 105/115 variables, 30/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/115 variables, 0/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 180/295 variables, 115/145 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/295 variables, 50/195 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/295 variables, 0/195 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 22/317 variables, 22/217 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 7/224 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/317 variables, 0/224 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/317 variables, 0/224 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 317/317 variables, and 224 constraints, problems are : Problem set: 1 solved, 1 unsolved in 221 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 110/115 variables, 30/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/115 variables, 0/30 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 180/295 variables, 115/145 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/295 variables, 50/195 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/295 variables, 0/195 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/317 variables, 22/217 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/317 variables, 7/224 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/317 variables, 1/225 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/317 variables, 1/226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 0/226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/317 variables, 0/226 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 317/317 variables, and 226 constraints, problems are : Problem set: 1 solved, 1 unsolved in 368 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 600ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 109 ms.
Support contains 5 out of 137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 137/137 places, 230/230 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 132 transition count 225
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 0 with 5 rules applied. Total rules applied 15 place count 132 transition count 220
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 20 place count 127 transition count 220
Applied a total of 20 rules in 57 ms. Remains 127 /137 variables (removed 10) and now considering 220/230 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 57 ms. Remains : 127/137 places, 220/230 transitions.
RANDOM walk for 40000 steps (8 resets) in 626 ms. (63 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1118376 steps, run timeout after 3001 ms. (steps per millisecond=372 ) properties seen :0 out of 1
Probabilistic random walk after 1118376 steps, saw 294649 distinct states, run finished after 3007 ms. (steps per millisecond=371 ) properties seen :0
[2026-05-27 01:46:51] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-853384606059187397.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10370499819259096895.kers'
[2026-05-27 01:46:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-853384606059187397.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10370499819259096895.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 170 rows 122 cols 585 entries
Finished phase 1 with 90 SingleSign rule and 0 generalized
[2026-05-27 01:46:51] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10370499819259096895.kers
Total runtime 1 ms.
[2026-05-27 01:46:51] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/105 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/275 variables, 105/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 50/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/275 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/297 variables, 22/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 7/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/297 variables, 0/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 297/297 variables, and 215 constraints, problems are : Problem set: 0 solved, 1 unsolved in 380 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 127/127 constraints, ReadFeed: 50/50 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 100/105 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/105 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/275 variables, 105/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/275 variables, 50/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/275 variables, 0/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/297 variables, 22/207 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/297 variables, 7/214 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/297 variables, 1/215 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/297 variables, 1/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/297 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/297 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 297/297 variables, and 216 constraints, problems are : Problem set: 0 solved, 1 unsolved in 319 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 127/127 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 715ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 5 out of 127 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 220/220 transitions.
Applied a total of 0 rules in 20 ms. Remains 127 /127 variables (removed 0) and now considering 220/220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 127/127 places, 220/220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 127/127 places, 220/220 transitions.
Applied a total of 0 rules in 19 ms. Remains 127 /127 variables (removed 0) and now considering 220/220 (removed 0) transitions.
[2026-05-27 01:46:52] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
[2026-05-27 01:46:52] [INFO ] Invariant cache hit.
[2026-05-27 01:46:52] [INFO ] Implicit Places using invariants in 378 ms returned [82, 83, 84, 85, 86]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 382 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 122/127 places, 220/220 transitions.
Applied a total of 0 rules in 19 ms. Remains 122 /122 variables (removed 0) and now considering 220/220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 421 ms. Remains : 122/127 places, 220/220 transitions.
RANDOM walk for 40000 steps (8 resets) in 245 ms. (162 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1027481 steps, run timeout after 3001 ms. (steps per millisecond=342 ) properties seen :0 out of 1
Probabilistic random walk after 1027481 steps, saw 273159 distinct states, run finished after 3001 ms. (steps per millisecond=342 ) properties seen :0
[2026-05-27 01:46:55] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5895222525163272589.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17131086115240209258.kers'
[2026-05-27 01:46:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5895222525163272589.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17131086115240209258.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 170 rows 117 cols 570 entries
Finished phase 1 with 90 SingleSign rule and 0 generalized
[2026-05-27 01:46:55] [INFO ] Computed 32 invariants in 0 ms
Computed 32 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17131086115240209258.kers
Total runtime 1 ms.
[2026-05-27 01:46:55] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 95/100 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/270 variables, 100/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 25/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 22/292 variables, 22/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 7/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/292 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 179 constraints, problems are : Problem set: 0 solved, 1 unsolved in 152 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 122/122 constraints, ReadFeed: 25/25 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 95/100 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/270 variables, 100/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 25/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/292 variables, 22/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 7/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/292 variables, 1/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/292 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/292 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 181 constraints, problems are : Problem set: 0 solved, 1 unsolved in 285 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 122/122 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 449ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 7773 steps, including 423 resets, run visited all 1 properties in 24 ms. (steps per millisecond=323 )
Parikh walk visited 1 properties in 30 ms.
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
Computed a total of 1 stabilizing places and 5 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' '!(X(G(p0)))'
Support contains 10 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 6 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:46:56] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5792418762732000667.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9467243482621808517.kers'
[2026-05-27 01:46:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5792418762732000667.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9467243482621808517.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 132 cols 580 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:46:56] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9467243482621808517.kers
Total runtime 2 ms.
[2026-05-27 01:46:56] [INFO ] Implicit Places using invariants in 268 ms returned [87, 88, 89, 90, 91]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 269 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 132/137 places, 230/230 transitions.
Applied a total of 0 rules in 3 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 278 ms. Remains : 132/137 places, 230/230 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(G(p0)))'
Stuttering acceptance computed with spot in 363 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-02
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 2 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-02 finished in 774 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)&&X(p1)))&&F(!p0)))'
Support contains 10 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 3 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:46:57] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:46:57] [INFO ] Invariant cache hit.
[2026-05-27 01:46:57] [INFO ] Implicit Places using invariants in 244 ms returned []
[2026-05-27 01:46:57] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:46:57] [INFO ] Invariant cache hit.
[2026-05-27 01:46:57] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-27 01:46:57] [INFO ] Implicit Places using invariants and state equation in 519 ms returned []
Implicit Place search using SMT with State Equation took 771 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 775 ms. Remains : 137/137 places, 230/230 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)&&X(p1)))&&F(!p0)))'
Stuttering acceptance computed with spot in 323 ms :[true, (OR (NOT p1) (NOT p0)), p0, (NOT p0), (NOT p1), true]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-05
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-05 finished in 1148 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(F(p0)))))'
Support contains 10 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 5 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:46:58] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:46:58] [INFO ] Invariant cache hit.
[2026-05-27 01:46:58] [INFO ] Implicit Places using invariants in 318 ms returned [87, 88, 89, 90, 91]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 324 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 132/137 places, 230/230 transitions.
Applied a total of 0 rules in 4 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 334 ms. Remains : 132/137 places, 230/230 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(F(p0)))))'
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-06
Product exploration explored 100000 steps with 25000 reset in 292 ms.
Product exploration explored 100000 steps with 25000 reset in 238 ms.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Knowledge based reduction with 1 factoid took 76 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
RANDOM walk for 991 steps (0 resets) in 8 ms. (110 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 83 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 212 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 398 ms.
Stuttering acceptance computed with spot in 193 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 10 out of 132 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 132/132 places, 230/230 transitions.
Applied a total of 0 rules in 3 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:47:00] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9024554966525584212.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10767289897328810545.kers'
[2026-05-27 01:47:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9024554966525584212.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10767289897328810545.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 127 cols 570 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:47:00] [INFO ] Computed 32 invariants in 0 ms
Computed 32 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10767289897328810545.kers
Total runtime 1 ms.
[2026-05-27 01:47:00] [INFO ] Implicit Places using invariants in 165 ms returned []
[2026-05-27 01:47:00] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:47:00] [INFO ] Invariant cache hit.
[2026-05-27 01:47:00] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-27 01:47:00] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 584 ms to find 0 implicit places.
Running 225 sub problems to find dead transitions.
[2026-05-27 01:47:00] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:47:00] [INFO ] Invariant cache hit.
[2026-05-27 01:47:00] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (OVERLAPS) 5/132 variables, 25/32 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 3/97 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 3/100 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/312 variables, 132/233 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/312 variables, 25/258 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 312/312 variables, and 259 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 70/70 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 47/54 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/132 variables, 25/79 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 23/102 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 6/108 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 7/115 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 16/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 5/136 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/312 variables, 132/270 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/312 variables, 25/295 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/312 variables, 225/520 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/312 variables, 8/528 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 312/312 variables, and 528 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30026 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 114/114 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60124ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 60126ms
Finished structural reductions in LTL mode , in 1 iterations and 60716 ms. Remains : 132/132 places, 230/230 transitions.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Knowledge based reduction with 1 factoid took 95 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
RANDOM walk for 614 steps (0 resets) in 10 ms. (55 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 77 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 373 ms.
Stuttering acceptance computed with spot in 201 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 195 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 209 ms.
Product exploration explored 100000 steps with 25000 reset in 245 ms.
Spot run failed in 165 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/ltsmin7431639355723826679
[2026-05-27 01:48:02] [INFO ] Built C files in 36ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7431639355723826679
Running compilation step : cd /tmp/ltsmin7431639355723826679;'/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 979 ms.
Running link step : cd /tmp/ltsmin7431639355723826679;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 54 ms.
Running LTSmin : cd /tmp/ltsmin7431639355723826679;'/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/stateBased16336872526688319119.hoa' '--buchi-type=spotba'
LTSmin run took 68 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-06 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-06 finished in 65048 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' '!(G((F(p0)&&F(G(p1)))))'
Support contains 15 out of 137 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
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 0 with 10 rules applied. Total rules applied 10 place count 132 transition count 225
Applied a total of 10 rules in 16 ms. Remains 132 /137 variables (removed 5) and now considering 225/230 (removed 5) transitions.
[2026-05-27 01:48:03] [INFO ] Flow matrix only has 175 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14848548210289632393.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12263797724003150145.kers'
[2026-05-27 01:48:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14848548210289632393.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12263797724003150145.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 175 rows 127 cols 570 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-27 01:48:03] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12263797724003150145.kers
Total runtime 2 ms.
[2026-05-27 01:48:03] [INFO ] Implicit Places using invariants in 350 ms returned [82, 83, 84, 85, 86]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 352 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 127/137 places, 225/230 transitions.
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 0 place count 127 transition count 220
Deduced a syphon composed of 5 places in 1 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 122 transition count 220
Applied a total of 10 rules in 29 ms. Remains 122 /127 variables (removed 5) and now considering 220/225 (removed 5) transitions.
[2026-05-27 01:48:03] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12279672391008270537.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7500035971920617241.kers'
[2026-05-27 01:48:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12279672391008270537.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7500035971920617241.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 170 rows 117 cols 570 entries
Finished phase 1 with 90 SingleSign rule and 0 generalized
[2026-05-27 01:48:03] [INFO ] Computed 32 invariants in 2 ms
Computed 32 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-7500035971920617241.kers
Total runtime 3 ms.
[2026-05-27 01:48:04] [INFO ] Implicit Places using invariants in 287 ms returned []
[2026-05-27 01:48:04] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
[2026-05-27 01:48:04] [INFO ] Invariant cache hit.
[2026-05-27 01:48:04] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-27 01:48:04] [INFO ] Implicit Places using invariants and state equation in 440 ms returned []
Implicit Place search using SMT with State Equation took 730 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 122/137 places, 220/230 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1127 ms. Remains : 122/137 places, 220/230 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((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 153 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-07
Product exploration explored 100000 steps with 3 reset in 644 ms.
Stack based approach found an accepted trace after 280 steps with 0 reset with depth 281 and stack size 281 in 3 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-07 finished in 1966 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' '!((G((p0||X(X(F((p1||G(p2)))))))||F(p3)))'
Support contains 60 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 2 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:48:05] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4888957378027661309.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-747101146881648265.kers'
[2026-05-27 01:48:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4888957378027661309.kers, --Pflows, --basisKERS=/tmp/petrispot-output-747101146881648265.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 132 cols 580 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:48:05] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-747101146881648265.kers
Total runtime 2 ms.
[2026-05-27 01:48:05] [INFO ] Implicit Places using invariants in 199 ms returned [87, 88, 89, 90, 91]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 201 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 132/137 places, 230/230 transitions.
Applied a total of 0 rules in 2 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 206 ms. Remains : 132/137 places, 230/230 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||X(X(F((p1||G(p2)))))))||F(p3)))'
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p3) (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2)), (AND (NOT p3) (NOT p1) (NOT p2))]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-08
Product exploration explored 100000 steps with 8224 reset in 292 ms.
Product exploration explored 100000 steps with 8192 reset in 356 ms.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Knowledge based reduction with 11 factoid took 59 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter sensitive) to 3 states, 5 edges and 4 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 212 ms. (187 steps per ms) remains 2/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 165 ms. (240 steps per ms) remains 2/2 properties
[2026-05-27 01:48:06] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-663765939865171093.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6141679307050403641.kers'
[2026-05-27 01:48:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-663765939865171093.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6141679307050403641.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 127 cols 570 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:48:06] [INFO ] Computed 32 invariants in 1 ms
Computed 32 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6141679307050403641.kers
Total runtime 1 ms.
[2026-05-27 01:48:06] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf1 is UNSAT
At refinement iteration 1 (OVERLAPS) 75/110 variables, 25/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 180/290 variables, 110/135 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/290 variables, 25/160 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 0/160 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 22/312 variables, 22/182 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/312 variables, 7/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/312 variables, 0/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/312 variables, 0/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 312/312 variables, and 189 constraints, problems are : Problem set: 1 solved, 1 unsolved in 164 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 105/110 variables, 25/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/25 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 180/290 variables, 110/135 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/290 variables, 25/160 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/290 variables, 0/160 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/312 variables, 22/182 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/312 variables, 7/189 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/312 variables, 1/190 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/312 variables, 1/191 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/312 variables, 0/191 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/312 variables, 0/191 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 312/312 variables, and 191 constraints, problems are : Problem set: 1 solved, 1 unsolved in 405 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 582ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 5 out of 132 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 132/132 places, 230/230 transitions.
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 5 Pre rules applied. Total rules applied 0 place count 132 transition count 225
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 10 place count 127 transition count 225
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 0 with 10 rules applied. Total rules applied 20 place count 122 transition count 220
Applied a total of 20 rules in 30 ms. Remains 122 /132 variables (removed 10) and now considering 220/230 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 122/132 places, 220/230 transitions.
RANDOM walk for 40000 steps (8 resets) in 214 ms. (186 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 982037 steps, run timeout after 3001 ms. (steps per millisecond=327 ) properties seen :0 out of 1
Probabilistic random walk after 982037 steps, saw 262571 distinct states, run finished after 3001 ms. (steps per millisecond=327 ) properties seen :0
[2026-05-27 01:48:10] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1571273482520226558.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16876326272481799374.kers'
[2026-05-27 01:48:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1571273482520226558.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16876326272481799374.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 170 rows 117 cols 570 entries
Finished phase 1 with 90 SingleSign rule and 0 generalized
[2026-05-27 01:48:10] [INFO ] Computed 32 invariants in 0 ms
Computed 32 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16876326272481799374.kers
Total runtime 1 ms.
[2026-05-27 01:48:10] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 95/100 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/270 variables, 100/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 25/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 22/292 variables, 22/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 7/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 0/292 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 179 constraints, problems are : Problem set: 0 solved, 1 unsolved in 137 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 122/122 constraints, ReadFeed: 25/25 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) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 95/100 variables, 25/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/100 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 170/270 variables, 100/125 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/270 variables, 25/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/270 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 22/292 variables, 22/172 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/292 variables, 7/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/292 variables, 1/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/292 variables, 2/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/292 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/292 variables, 0/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 182 constraints, problems are : Problem set: 0 solved, 1 unsolved in 314 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 122/122 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 460ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 42 ms.
Support contains 5 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 220/220 transitions.
Applied a total of 0 rules in 9 ms. Remains 122 /122 variables (removed 0) and now considering 220/220 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 122/122 places, 220/220 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 220/220 transitions.
Applied a total of 0 rules in 8 ms. Remains 122 /122 variables (removed 0) and now considering 220/220 (removed 0) transitions.
[2026-05-27 01:48:10] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
[2026-05-27 01:48:10] [INFO ] Invariant cache hit.
[2026-05-27 01:48:11] [INFO ] Implicit Places using invariants in 145 ms returned []
[2026-05-27 01:48:11] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
[2026-05-27 01:48:11] [INFO ] Invariant cache hit.
[2026-05-27 01:48:11] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-27 01:48:11] [INFO ] Implicit Places using invariants and state equation in 332 ms returned []
Implicit Place search using SMT with State Equation took 480 ms to find 0 implicit places.
[2026-05-27 01:48:11] [INFO ] Redundant transitions in 12 ms returned []
Running 215 sub problems to find dead transitions.
[2026-05-27 01:48:11] [INFO ] Flow matrix only has 170 transitions (discarded 50 similar events)
[2026-05-27 01:48:11] [INFO ] Invariant cache hit.
[2026-05-27 01:48:11] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/117 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (OVERLAPS) 5/122 variables, 25/32 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/122 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 5/107 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 9 (OVERLAPS) 170/292 variables, 122/229 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/292 variables, 25/254 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/292 variables, 2/256 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 12 (INCLUDED_ONLY) 0/292 variables, 2/258 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 292/292 variables, and 258 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 122/122 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 79/79 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 215 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/117 variables, 51/58 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/117 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 3 (OVERLAPS) 5/122 variables, 25/83 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/122 variables, 28/111 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/122 variables, 19/130 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/122 variables, 4/134 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 9 (OVERLAPS) 170/292 variables, 122/257 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/292 variables, 25/282 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/292 variables, 215/497 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/292 variables, 3/500 constraints. Problems are: Problem set: 0 solved, 215 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/292 variables, 7/507 constraints. Problems are: Problem set: 0 solved, 215 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 292/292 variables, and 507 constraints, problems are : Problem set: 0 solved, 215 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 122/122 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 215/215 constraints, Known Traps: 113/113 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60080ms problems are : Problem set: 0 solved, 215 unsolved
Search for dead transitions found 0 dead transitions in 60081ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 60588 ms. Remains : 122/122 places, 220/220 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 0 with 50 rules applied. Total rules applied 50 place count 122 transition count 170
Performed 25 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 25 Pre rules applied. Total rules applied 50 place count 122 transition count 145
Deduced a syphon composed of 25 places in 0 ms
Ensure Unique test removed 20 places
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 1 with 70 rules applied. Total rules applied 120 place count 77 transition count 145
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 140 place count 67 transition count 135
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: -20
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 1 with 10 rules applied. Total rules applied 150 place count 62 transition count 155
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 155 place count 62 transition count 155
Applied a total of 155 rules in 23 ms. Remains 62 /122 variables (removed 60) and now considering 155/220 (removed 65) 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-2372222934271302968.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12829464600261233046.kers'
[2026-05-27 01:49:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2372222934271302968.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12829464600261233046.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 155 rows 57 cols 540 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-27 01:49:11] [INFO ] Computed 12 invariants in 0 ms
Computed 12 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12829464600261233046.kers
Total runtime 1 ms.
[2026-05-27 01:49:11] [INFO ] [Real]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-27 01:49:11] [INFO ] After 108ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-27 01:49:11] [INFO ] [Nat]Absence check using 12 positive place invariants in 5 ms returned sat
[2026-05-27 01:49:11] [INFO ] After 59ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-27 01:49:11] [INFO ] After 75ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-27 01:49:11] [INFO ] After 121ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 271 ms.
Found 1 invariant AP formulas.
Knowledge based reduction with 12 factoid took 123 ms. Reduced automaton from 3 states, 5 edges and 4 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 147 ms :[(AND (NOT p3) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p1)), (AND (NOT p3) (NOT p1))]
Knowledge-based reduction took 65596 ms.
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p3) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p1)), (AND (NOT p3) (NOT p1))]
Support contains 55 out of 132 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 132/132 places, 230/230 transitions.
Applied a total of 0 rules in 1 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:49:12] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2788867578785407502.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12616772875693168157.kers'
[2026-05-27 01:49:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2788867578785407502.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12616772875693168157.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 127 cols 570 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:49:12] [INFO ] Computed 32 invariants in 1 ms
Computed 32 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12616772875693168157.kers
Total runtime 2 ms.
[2026-05-27 01:49:12] [INFO ] Implicit Places using invariants in 181 ms returned []
[2026-05-27 01:49:12] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:49:12] [INFO ] Invariant cache hit.
[2026-05-27 01:49:12] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-27 01:49:12] [INFO ] Implicit Places using invariants and state equation in 377 ms returned []
Implicit Place search using SMT with State Equation took 561 ms to find 0 implicit places.
Running 225 sub problems to find dead transitions.
[2026-05-27 01:49:12] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:49:12] [INFO ] Invariant cache hit.
[2026-05-27 01:49:12] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (OVERLAPS) 5/132 variables, 25/32 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 3/97 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 3/100 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/312 variables, 132/233 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/312 variables, 25/258 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 312/312 variables, and 259 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 70/70 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 47/54 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/132 variables, 25/79 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 23/102 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 6/108 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 7/115 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 16/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 5/136 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/312 variables, 132/270 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/312 variables, 25/295 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/312 variables, 225/520 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/312 variables, 8/528 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 312/312 variables, and 528 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 114/114 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60081ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 60083ms
Finished structural reductions in LTL mode , in 1 iterations and 60646 ms. Remains : 132/132 places, 230/230 transitions.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Knowledge based reduction with 9 factoid took 70 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
RANDOM walk for 734 steps (0 resets) in 9 ms. (73 steps per ms) remains 0/5 properties
Knowledge based reduction with 9 factoid took 159 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 3 states, 4 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p3) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p1)), (AND (NOT p3) (NOT p1))]
Knowledge-based reduction took 402 ms.
Stuttering acceptance computed with spot in 156 ms :[(AND (NOT p3) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p1)), (AND (NOT p3) (NOT p1))]
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p3) (NOT p0) (NOT p1)), (AND (NOT p3) (NOT p1)), (AND (NOT p3) (NOT p1))]
Product exploration explored 100000 steps with 8183 reset in 393 ms.
Product exploration explored 100000 steps with 8235 reset in 431 ms.
Spot run failed in 59 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/ltsmin8696655294346257208
[2026-05-27 01:50:14] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8696655294346257208
Running compilation step : cd /tmp/ltsmin8696655294346257208;'/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 648 ms.
Running link step : cd /tmp/ltsmin8696655294346257208;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin8696655294346257208;'/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/stateBased16736804068981058251.hoa' '--buchi-type=spotba'
LTSmin run took 438 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-08 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-08 finished in 130287 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||G((p1||X(p1)))))))'
Support contains 40 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 2 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:50:15] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6949065020556004679.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5829837138910535826.kers'
[2026-05-27 01:50:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6949065020556004679.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5829837138910535826.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 132 cols 580 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:50:15] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5829837138910535826.kers
Total runtime 2 ms.
[2026-05-27 01:50:15] [INFO ] Implicit Places using invariants in 235 ms returned []
[2026-05-27 01:50:15] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:50:15] [INFO ] Invariant cache hit.
[2026-05-27 01:50:16] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-27 01:50:16] [INFO ] Implicit Places using invariants and state equation in 509 ms returned []
Implicit Place search using SMT with State Equation took 747 ms to find 0 implicit places.
Running 225 sub problems to find dead transitions.
[2026-05-27 01:50:16] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:50:16] [INFO ] Invariant cache hit.
[2026-05-27 01:50:16] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (OVERLAPS) 5/137 variables, 30/37 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 12/109 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (OVERLAPS) 180/317 variables, 137/247 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 50/297 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 317/317 variables, and 298 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 74/74 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 51/58 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/137 variables, 30/88 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 23/111 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 6/117 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 4/127 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/137 variables, 3/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/137 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/317 variables, 137/268 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/317 variables, 50/318 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/317 variables, 225/543 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/317 variables, 4/547 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 317/317 variables, and 548 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30019 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 99/99 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60077ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 60079ms
Finished structural reductions in LTL mode , in 1 iterations and 60829 ms. Remains : 137/137 places, 230/230 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((G((p0||X(p0)))||p1))))'
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-09
Product exploration explored 100000 steps with 50000 reset in 230 ms.
Product exploration explored 100000 steps with 50000 reset in 287 ms.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 9 factoid took 18 ms. Proved property starting from automaton with 3 states, 5 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 30 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-09 finished in 61565 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(X(F(p0))))))'
Support contains 5 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 2 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:51:17] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:51:17] [INFO ] Invariant cache hit.
[2026-05-27 01:51:17] [INFO ] Implicit Places using invariants in 303 ms returned [87, 88, 89, 90, 91]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 305 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 132/137 places, 230/230 transitions.
Applied a total of 0 rules in 2 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 309 ms. Remains : 132/137 places, 230/230 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(X(F(p0))))))'
Stuttering acceptance computed with spot in 252 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-10
Product exploration explored 100000 steps with 20000 reset in 253 ms.
Product exploration explored 100000 steps with 20000 reset in 269 ms.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Knowledge based reduction with 1 factoid took 68 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 48 steps (0 resets) in 4 ms. (9 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 82 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 251 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 408 ms.
Stuttering acceptance computed with spot in 250 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 5 out of 132 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 132/132 places, 230/230 transitions.
Applied a total of 0 rules in 1 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:51:19] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8747138811661724156.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4656204180718347471.kers'
[2026-05-27 01:51:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8747138811661724156.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4656204180718347471.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 127 cols 570 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:51:19] [INFO ] Computed 32 invariants in 1 ms
Computed 32 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-4656204180718347471.kers
Total runtime 2 ms.
[2026-05-27 01:51:19] [INFO ] Implicit Places using invariants in 259 ms returned []
[2026-05-27 01:51:19] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:51:19] [INFO ] Invariant cache hit.
[2026-05-27 01:51:19] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-27 01:51:19] [INFO ] Implicit Places using invariants and state equation in 498 ms returned []
Implicit Place search using SMT with State Equation took 769 ms to find 0 implicit places.
Running 225 sub problems to find dead transitions.
[2026-05-27 01:51:19] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:51:19] [INFO ] Invariant cache hit.
[2026-05-27 01:51:19] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (OVERLAPS) 5/132 variables, 25/32 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/132 variables, 20/52 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 20/72 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 3/97 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 3/100 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/312 variables, 132/233 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/312 variables, 25/258 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/312 variables, 1/259 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 312/312 variables, and 259 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 70/70 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/127 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/127 variables, 47/54 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/127 variables, 0/54 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/132 variables, 25/79 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 23/102 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 6/108 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 7/115 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 16/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 5/136 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/132 variables, 2/138 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/132 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/312 variables, 132/270 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/312 variables, 25/295 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/312 variables, 225/520 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/312 variables, 8/528 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 312/312 variables, and 528 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 114/114 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60075ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 60076ms
Finished structural reductions in LTL mode , in 1 iterations and 60849 ms. Remains : 132/132 places, 230/230 transitions.
Computed a total of 1 stabilizing places and 5 stable transitions
Computed a total of 1 stabilizing places and 5 stable transitions
Knowledge based reduction with 1 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).
RANDOM walk for 67 steps (0 resets) in 4 ms. (13 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 69 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 198 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Knowledge-based reduction took 336 ms.
Stuttering acceptance computed with spot in 198 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 211 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 20000 reset in 200 ms.
Product exploration explored 100000 steps with 20000 reset in 231 ms.
Spot run failed in 76 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/ltsmin9156242553501002592
[2026-05-27 01:52:21] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9156242553501002592
Running compilation step : cd /tmp/ltsmin9156242553501002592;'/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 840 ms.
Running link step : cd /tmp/ltsmin9156242553501002592;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin9156242553501002592;'/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/stateBased131704321973363962.hoa' '--buchi-type=spotba'
LTSmin run took 34 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-10 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-10 finished in 64861 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((p0||G(p1))))'
Support contains 30 out of 137 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 1 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:52:22] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14944779704715896680.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16000884221543646954.kers'
[2026-05-27 01:52:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14944779704715896680.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16000884221543646954.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 180 rows 132 cols 580 entries
Finished phase 1 with 100 SingleSign rule and 0 generalized
[2026-05-27 01:52:22] [INFO ] Computed 37 invariants in 2 ms
Computed 37 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16000884221543646954.kers
Total runtime 3 ms.
[2026-05-27 01:52:22] [INFO ] Implicit Places using invariants in 251 ms returned [87, 88, 89, 90, 91]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 253 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 132/137 places, 230/230 transitions.
Applied a total of 0 rules in 9 ms. Remains 132 /132 variables (removed 0) and now considering 230/230 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 264 ms. Remains : 132/137 places, 230/230 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((p0||G(p1))))'
Stuttering acceptance computed with spot in 163 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-11 finished in 463 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 10 out of 137 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
Applied a total of 0 rules in 15 ms. Remains 137 /137 variables (removed 0) and now considering 230/230 (removed 0) transitions.
[2026-05-27 01:52:22] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:52:22] [INFO ] Invariant cache hit.
[2026-05-27 01:52:22] [INFO ] Implicit Places using invariants in 236 ms returned []
[2026-05-27 01:52:22] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:52:22] [INFO ] Invariant cache hit.
[2026-05-27 01:52:22] [INFO ] State equation strengthened by 50 read => feed constraints.
[2026-05-27 01:52:23] [INFO ] Implicit Places using invariants and state equation in 537 ms returned []
Implicit Place search using SMT with State Equation took 786 ms to find 0 implicit places.
[2026-05-27 01:52:23] [INFO ] Redundant transitions in 20 ms returned []
Running 225 sub problems to find dead transitions.
[2026-05-27 01:52:23] [INFO ] Flow matrix only has 180 transitions (discarded 50 similar events)
[2026-05-27 01:52:23] [INFO ] Invariant cache hit.
[2026-05-27 01:52:23] [INFO ] State equation strengthened by 50 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (OVERLAPS) 5/137 variables, 30/37 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 12/109 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (OVERLAPS) 180/317 variables, 137/247 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/317 variables, 50/297 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/317 variables, 1/298 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 317/317 variables, and 298 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 74/74 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 225 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/132 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/132 variables, 51/58 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/132 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 3 (OVERLAPS) 5/137 variables, 30/88 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 23/111 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 6/117 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 6/123 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 4/127 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/137 variables, 3/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/137 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 11 (OVERLAPS) 180/317 variables, 137/268 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/317 variables, 50/318 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/317 variables, 225/543 constraints. Problems are: Problem set: 0 solved, 225 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/317 variables, 4/547 constraints. Problems are: Problem set: 0 solved, 225 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 317/317 variables, and 549 constraints, problems are : Problem set: 0 solved, 225 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 37/37 constraints, State Equation: 137/137 constraints, ReadFeed: 50/50 constraints, PredecessorRefiner: 225/225 constraints, Known Traps: 100/100 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60073ms problems are : Problem set: 0 solved, 225 unsolved
Search for dead transitions found 0 dead transitions in 60076ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60904 ms. Remains : 137/137 places, 230/230 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 53 ms :[(NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-12
Product exploration explored 100000 steps with 0 reset in 354 ms.
Stack based approach found an accepted trace after 655 steps with 0 reset with depth 656 and stack size 656 in 4 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-12 finished in 61359 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' '!(G(F(p0)))'
Support contains 40 out of 137 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 137/137 places, 230/230 transitions.
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 0 with 10 rules applied. Total rules applied 10 place count 132 transition count 225
Applied a total of 10 rules in 17 ms. Remains 132 /137 variables (removed 5) and now considering 225/230 (removed 5) transitions.
[2026-05-27 01:53:23] [INFO ] Flow matrix only has 175 transitions (discarded 50 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11054964972422590965.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6439487747070237406.kers'
[2026-05-27 01:53:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11054964972422590965.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6439487747070237406.kers]
Culling duplicate invariants (modulo rational): removing 5 columns.
Culled 5 columns in 0 ms.
// Phase 1: matrix 175 rows 127 cols 570 entries
Finished phase 1 with 95 SingleSign rule and 0 generalized
[2026-05-27 01:53:23] [INFO ] Computed 37 invariants in 1 ms
Computed 37 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-6439487747070237406.kers
Total runtime 2 ms.
[2026-05-27 01:53:24] [INFO ] Implicit Places using invariants in 249 ms returned [82, 83, 84, 85, 86]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 273 ms to find 5 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 127/137 places, 225/230 transitions.
Applied a total of 0 rules in 9 ms. Remains 127 /127 variables (removed 0) and now considering 225/225 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 299 ms. Remains : 127/137 places, 225/230 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(F(p0)))'
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-5-LTLCardinality-15
Product exploration explored 100000 steps with 4456 reset in 279 ms.
Stack based approach found an accepted trace after 25118 steps with 1126 reset with depth 16 and stack size 16 in 71 ms.
FORMULA LamportFastMutEx-COL-5-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-5-LTLCardinality-15 finished in 793 ms.
All properties solved by simple procedures.
Total runtime 522127 ms.
BK_STOP 1779846804729
--------------------
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//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ 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="LamportFastMutEx-COL-5"
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 LamportFastMutEx-COL-5, 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 r162-smll-177961107800363"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-5.tgz
mv LamportFastMutEx-COL-5 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 ;