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.r098-tall-177955695600516.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 DLCround-PT-03b, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695600516
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 844K
-rw-r--r-- 1 mcc users 8.3K Mar 6 17:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 6 17:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 6 17:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 70K Mar 6 17:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 17:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 6 17:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 17:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 6 17:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 432K 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 DLCround-PT-03b-LTLFireability-00
FORMULA_NAME DLCround-PT-03b-LTLFireability-01
FORMULA_NAME DLCround-PT-03b-LTLFireability-02
FORMULA_NAME DLCround-PT-03b-LTLFireability-03
FORMULA_NAME DLCround-PT-03b-LTLFireability-04
FORMULA_NAME DLCround-PT-03b-LTLFireability-05
FORMULA_NAME DLCround-PT-03b-LTLFireability-06
FORMULA_NAME DLCround-PT-03b-LTLFireability-07
FORMULA_NAME DLCround-PT-03b-LTLFireability-08
FORMULA_NAME DLCround-PT-03b-LTLFireability-09
FORMULA_NAME DLCround-PT-03b-LTLFireability-10
FORMULA_NAME DLCround-PT-03b-LTLFireability-11
FORMULA_NAME DLCround-PT-03b-LTLFireability-12
FORMULA_NAME DLCround-PT-03b-LTLFireability-13
FORMULA_NAME DLCround-PT-03b-LTLFireability-14
FORMULA_NAME DLCround-PT-03b-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779626836917

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCround-PT-03b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 12:47:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 12:47:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 12:47:18] [INFO ] Load time of PNML (sax parser for PT used): 129 ms
[2026-05-24 12:47:18] [INFO ] Transformed 1383 places.
[2026-05-24 12:47:18] [INFO ] Transformed 1887 transitions.
[2026-05-24 12:47:18] [INFO ] Found NUPN structural information;
[2026-05-24 12:47:18] [INFO ] Parsed PT model containing 1383 places and 1887 transitions and 4809 arcs in 230 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA DLCround-PT-03b-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 48 out of 1383 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 1383/1383 places, 1887/1887 transitions.
Discarding 231 places :
Symmetric choice reduction at 0 with 231 rule applications. Total rules 231 place count 1152 transition count 1656
Iterating global reduction 0 with 231 rules applied. Total rules applied 462 place count 1152 transition count 1656
Discarding 170 places :
Symmetric choice reduction at 0 with 170 rule applications. Total rules 632 place count 982 transition count 1486
Iterating global reduction 0 with 170 rules applied. Total rules applied 802 place count 982 transition count 1486
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 806 place count 982 transition count 1482
Discarding 41 places :
Symmetric choice reduction at 1 with 41 rule applications. Total rules 847 place count 941 transition count 1415
Iterating global reduction 1 with 41 rules applied. Total rules applied 888 place count 941 transition count 1415
Discarding 29 places :
Symmetric choice reduction at 1 with 29 rule applications. Total rules 917 place count 912 transition count 1386
Iterating global reduction 1 with 29 rules applied. Total rules applied 946 place count 912 transition count 1386
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 948 place count 912 transition count 1384
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 963 place count 897 transition count 1369
Iterating global reduction 2 with 15 rules applied. Total rules applied 978 place count 897 transition count 1369
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 993 place count 882 transition count 1354
Iterating global reduction 2 with 15 rules applied. Total rules applied 1008 place count 882 transition count 1354
Discarding 15 places :
Symmetric choice reduction at 2 with 15 rule applications. Total rules 1023 place count 867 transition count 1339
Iterating global reduction 2 with 15 rules applied. Total rules applied 1038 place count 867 transition count 1339
Discarding 11 places :
Symmetric choice reduction at 2 with 11 rule applications. Total rules 1049 place count 856 transition count 1328
Iterating global reduction 2 with 11 rules applied. Total rules applied 1060 place count 856 transition count 1328
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 1067 place count 849 transition count 1321
Iterating global reduction 2 with 7 rules applied. Total rules applied 1074 place count 849 transition count 1321
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 1081 place count 842 transition count 1314
Iterating global reduction 2 with 7 rules applied. Total rules applied 1088 place count 842 transition count 1314
Applied a total of 1088 rules in 555 ms. Remains 842 /1383 variables (removed 541) and now considering 1314/1887 (removed 573) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10077662278555105353.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8186087281626785231.kers'
[2026-05-24 12:47:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10077662278555105353.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8186087281626785231.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1314 rows 842 cols 3607 entries
Finished phase 1 with 790 SingleSign rule and 0 generalized
[2026-05-24 12:47:19] [INFO ] Computed 52 invariants in 5 ms
Computed 52 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-8186087281626785231.kers
Total runtime 7 ms.
[2026-05-24 12:47:19] [INFO ] Implicit Places using invariants in 505 ms returned []
[2026-05-24 12:47:19] [INFO ] Invariant cache hit.
[2026-05-24 12:47:20] [INFO ] Implicit Places using invariants and state equation in 612 ms returned []
Implicit Place search using SMT with State Equation took 1157 ms to find 0 implicit places.
Running 1313 sub problems to find dead transitions.
[2026-05-24 12:47:20] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/841 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1313 unsolved
SMT process timed out in 30394ms, After SMT, problems are : Problem set: 0 solved, 1313 unsolved
Search for dead transitions found 0 dead transitions in 30411ms
Starting structural reductions in LTL mode, iteration 1 : 842/1383 places, 1314/1887 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32165 ms. Remains : 842/1383 places, 1314/1887 transitions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Applied a total of 0 rules in 15 ms. Remains 842 /842 variables (removed 0) and now considering 1314/1314 (removed 0) transitions.
[2026-05-24 12:47:50] [INFO ] Invariant cache hit.
[2026-05-24 12:47:50] [INFO ] Implicit Places using invariants in 246 ms returned []
[2026-05-24 12:47:50] [INFO ] Invariant cache hit.
[2026-05-24 12:47:51] [INFO ] Implicit Places using invariants and state equation in 564 ms returned []
Implicit Place search using SMT with State Equation took 813 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 829 ms. Remains : 842/842 places, 1314/1314 transitions.
Support contains 48 out of 842 places after structural reductions.
[2026-05-24 12:47:51] [INFO ] Flatten gal took : 97 ms
[2026-05-24 12:47:51] [INFO ] Flatten gal took : 54 ms
[2026-05-24 12:47:51] [INFO ] Input system was already deterministic with 1314 transitions.
RANDOM walk for 40000 steps (8 resets) in 1622 ms. (24 steps per ms) remains 1/36 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 1/1 properties
[2026-05-24 12:47:52] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp8 is UNSAT
After SMT solving in domain Real declared 49/2156 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 24 ms.
Refiners :[Positive P Invariants (semi-flows): 1/52 constraints, State Equation: 0/842 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DLCround-PT-03b-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 14 simplifications.
FORMULA DLCround-PT-03b-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 103 stabilizing places and 103 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 842 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Graph (trivial) has 797 edges and 842 vertex of which 248 / 842 are part of one of the 20 SCC in 3 ms
Free SCC test removed 228 places
Ensure Unique test removed 248 transitions
Reduce isomorphic transitions removed 248 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 151 transitions
Trivial Post-agglo rules discarded 151 transitions
Performed 151 trivial Post agglomeration. Transition count delta: 151
Iterating post reduction 0 with 151 rules applied. Total rules applied 152 place count 613 transition count 914
Reduce places removed 151 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 179 rules applied. Total rules applied 331 place count 462 transition count 886
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 22 rules applied. Total rules applied 353 place count 444 transition count 882
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 355 place count 442 transition count 882
Performed 55 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 55 Pre rules applied. Total rules applied 355 place count 442 transition count 827
Deduced a syphon composed of 55 places in 1 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 4 with 110 rules applied. Total rules applied 465 place count 387 transition count 827
Discarding 37 places :
Symmetric choice reduction at 4 with 37 rule applications. Total rules 502 place count 350 transition count 694
Iterating global reduction 4 with 37 rules applied. Total rules applied 539 place count 350 transition count 694
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 543 place count 350 transition count 690
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 543 place count 350 transition count 684
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 555 place count 344 transition count 684
Performed 122 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 122 places in 1 ms
Reduce places removed 122 places and 0 transitions.
Iterating global reduction 5 with 244 rules applied. Total rules applied 799 place count 222 transition count 558
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 803 place count 222 transition count 554
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 816 place count 209 transition count 472
Iterating global reduction 6 with 13 rules applied. Total rules applied 829 place count 209 transition count 472
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 840 place count 209 transition count 461
Performed 16 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 7 with 32 rules applied. Total rules applied 872 place count 193 transition count 538
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 876 place count 189 transition count 500
Iterating global reduction 7 with 4 rules applied. Total rules applied 880 place count 189 transition count 500
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 7 with 17 rules applied. Total rules applied 897 place count 189 transition count 483
Drop transitions (Redundant composition of simpler transitions.) removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 8 with 21 rules applied. Total rules applied 918 place count 189 transition count 462
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 926 place count 181 transition count 446
Iterating global reduction 8 with 8 rules applied. Total rules applied 934 place count 181 transition count 446
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 942 place count 173 transition count 388
Iterating global reduction 8 with 8 rules applied. Total rules applied 950 place count 173 transition count 388
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 8 with 8 rules applied. Total rules applied 958 place count 173 transition count 380
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 959 place count 172 transition count 379
Applied a total of 959 rules in 165 ms. Remains 172 /842 variables (removed 670) and now considering 379/1314 (removed 935) transitions.
[2026-05-24 12:47:53] [INFO ] Flow matrix only has 363 transitions (discarded 16 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-208277790914535003.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17266584381931016421.kers'
[2026-05-24 12:47:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-208277790914535003.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17266584381931016421.kers]
Normalized transition count is 362 out of 363 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 362 rows 172 cols 1738 entries
Finished phase 1 with 120 SingleSign rule and 0 generalized
[2026-05-24 12:47:53] [INFO ] Computed 52 invariants in 2 ms
Computed 52 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-17266584381931016421.kers
Total runtime 2 ms.
[2026-05-24 12:47:53] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-24 12:47:53] [INFO ] Flow matrix only has 363 transitions (discarded 16 similar events)
[2026-05-24 12:47:53] [INFO ] Invariant cache hit.
[2026-05-24 12:47:53] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 12:47:53] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2026-05-24 12:47:53] [INFO ] Redundant transitions in 33 ms returned []
Running 330 sub problems to find dead transitions.
[2026-05-24 12:47:53] [INFO ] Flow matrix only has 363 transitions (discarded 16 similar events)
[2026-05-24 12:47:53] [INFO ] Invariant cache hit.
[2026-05-24 12:47:53] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/171 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 2 (OVERLAPS) 1/172 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 4 (OVERLAPS) 362/534 variables, 172/224 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/534 variables, 28/252 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 7 (OVERLAPS) 0/534 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 330 unsolved
No progress, stopping.
After SMT solving in domain Real declared 534/535 variables, and 252 constraints, problems are : Problem set: 0 solved, 330 unsolved in 16592 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 172/172 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 330/330 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 330 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/171 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/171 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 2 (OVERLAPS) 1/172 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/172 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 4 (OVERLAPS) 362/534 variables, 172/224 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/534 variables, 28/252 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/534 variables, 330/582 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/534 variables, 0/582 constraints. Problems are: Problem set: 0 solved, 330 unsolved
At refinement iteration 8 (OVERLAPS) 0/534 variables, 0/582 constraints. Problems are: Problem set: 0 solved, 330 unsolved
No progress, stopping.
After SMT solving in domain Int declared 534/535 variables, and 582 constraints, problems are : Problem set: 0 solved, 330 unsolved in 22161 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 172/172 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 330/330 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38873ms problems are : Problem set: 0 solved, 330 unsolved
Search for dead transitions found 0 dead transitions in 38875ms
Starting structural reductions in SI_LTL mode, iteration 1 : 172/842 places, 379/1314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 39313 ms. Remains : 172/842 places, 379/1314 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 248 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-00
Stuttering criterion allowed to conclude after 167 steps with 0 reset in 5 ms.
FORMULA DLCround-PT-03b-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-00 finished in 39640 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(X(F(p1))))))'
Support contains 4 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 828 transition count 1300
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 828 transition count 1300
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 35 place count 821 transition count 1291
Iterating global reduction 0 with 7 rules applied. Total rules applied 42 place count 821 transition count 1291
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 45 place count 818 transition count 1288
Iterating global reduction 0 with 3 rules applied. Total rules applied 48 place count 818 transition count 1288
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 816 transition count 1284
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 816 transition count 1284
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 55 place count 815 transition count 1283
Iterating global reduction 1 with 1 rules applied. Total rules applied 56 place count 815 transition count 1283
Applied a total of 56 rules in 145 ms. Remains 815 /842 variables (removed 27) and now considering 1283/1314 (removed 31) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16413110818589484605.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2087811850215901231.kers'
[2026-05-24 12:48:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16413110818589484605.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2087811850215901231.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1283 rows 815 cols 3545 entries
Finished phase 1 with 763 SingleSign rule and 0 generalized
[2026-05-24 12:48:32] [INFO ] Computed 52 invariants in 13 ms
Computed 52 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-2087811850215901231.kers
Total runtime 15 ms.
[2026-05-24 12:48:33] [INFO ] Implicit Places using invariants in 271 ms returned []
[2026-05-24 12:48:33] [INFO ] Invariant cache hit.
[2026-05-24 12:48:33] [INFO ] Implicit Places using invariants and state equation in 596 ms returned []
Implicit Place search using SMT with State Equation took 871 ms to find 0 implicit places.
Running 1282 sub problems to find dead transitions.
[2026-05-24 12:48:33] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/814 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
SMT process timed out in 30236ms, After SMT, problems are : Problem set: 0 solved, 1282 unsolved
Search for dead transitions found 0 dead transitions in 30241ms
Starting structural reductions in LTL mode, iteration 1 : 815/842 places, 1283/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31265 ms. Remains : 815/842 places, 1283/1314 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(X(F(p1))))))'
Stuttering acceptance computed with spot in 335 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-01
Stuttering criterion allowed to conclude after 96188 steps with 49 reset in 318 ms.
FORMULA DLCround-PT-03b-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-01 finished in 31962 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((X((G(p1) U (p2&&G(p1))))||p0)))'
Support contains 3 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 829 transition count 1301
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 829 transition count 1301
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 32 place count 823 transition count 1294
Iterating global reduction 0 with 6 rules applied. Total rules applied 38 place count 823 transition count 1294
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 40 place count 821 transition count 1292
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 821 transition count 1292
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 821 transition count 1291
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 820 transition count 1290
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 820 transition count 1290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 46 place count 819 transition count 1289
Iterating global reduction 1 with 1 rules applied. Total rules applied 47 place count 819 transition count 1289
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 48 place count 818 transition count 1288
Iterating global reduction 1 with 1 rules applied. Total rules applied 49 place count 818 transition count 1288
Applied a total of 49 rules in 97 ms. Remains 818 /842 variables (removed 24) and now considering 1288/1314 (removed 26) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11558084504741400060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12368101809331125354.kers'
[2026-05-24 12:49:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11558084504741400060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12368101809331125354.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1288 rows 818 cols 3555 entries
Finished phase 1 with 766 SingleSign rule and 0 generalized
[2026-05-24 12:49:04] [INFO ] Computed 52 invariants in 8 ms
Computed 52 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-12368101809331125354.kers
Total runtime 11 ms.
[2026-05-24 12:49:05] [INFO ] Implicit Places using invariants in 294 ms returned []
[2026-05-24 12:49:05] [INFO ] Invariant cache hit.
[2026-05-24 12:49:05] [INFO ] Implicit Places using invariants and state equation in 591 ms returned []
Implicit Place search using SMT with State Equation took 888 ms to find 0 implicit places.
Running 1287 sub problems to find dead transitions.
[2026-05-24 12:49:05] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/817 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
SMT process timed out in 30230ms, After SMT, problems are : Problem set: 0 solved, 1287 unsolved
Search for dead transitions found 0 dead transitions in 30234ms
Starting structural reductions in LTL mode, iteration 1 : 818/842 places, 1288/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31228 ms. Remains : 818/842 places, 1288/1314 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((X((G(p1) U (p2&&G(p1))))||p0)))'
Stuttering acceptance computed with spot in 176 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-03
Product exploration explored 100000 steps with 455 reset in 273 ms.
Product exploration explored 100000 steps with 460 reset in 315 ms.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Detected a total of 99/818 stabilizing places and 99/1288 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/3 atomic propositions.
Knowledge based reduction with 14 factoid took 105 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 4 states, 8 edges and 3 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 355 ms. (112 steps per ms) remains 1/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 113 ms. (350 steps per ms) remains 1/1 properties
[2026-05-24 12:49:36] [INFO ] Invariant cache hit.
Problem apf2 is UNSAT
After SMT solving in domain Real declared 3/2106 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 30 ms.
Refiners :[Positive P Invariants (semi-flows): 0/52 constraints, State Equation: 0/818 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 38ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 15 factoid took 135 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
[2026-05-24 12:49:37] [INFO ] Invariant cache hit.
[2026-05-24 12:49:37] [INFO ] [Real]Absence check using 52 positive place invariants in 141 ms returned sat
[2026-05-24 12:49:41] [INFO ] [Real]Absence check using state equation in 3936 ms returned sat
[2026-05-24 12:49:41] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:49:42] [INFO ] [Nat]Absence check using 52 positive place invariants in 115 ms returned sat
[2026-05-24 12:49:44] [INFO ] [Nat]Absence check using state equation in 2624 ms returned sat
[2026-05-24 12:49:44] [INFO ] Computed and/alt/rep : 1255/2365/1255 causal constraints (skipped 32 transitions) in 73 ms.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:308)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1143)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:881)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:593)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeFacts.computeEGknowledge(KnowledgeFacts.java:240)
at fr.lip6.move.gal.application.solver.ltl.knowledge.KnowledgeOrchestrator.applyKnowledgeBasedReductions(KnowledgeOrchestrator.java:52)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:248)
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)
[2026-05-24 12:49:56] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Knowledge-based reduction took 20114 ms.
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 818 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 818/818 places, 1288/1288 transitions.
Graph (trivial) has 769 edges and 818 vertex of which 248 / 818 are part of one of the 20 SCC in 4 ms
Free SCC test removed 228 places
Ensure Unique test removed 248 transitions
Reduce isomorphic transitions removed 248 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 140 transitions
Trivial Post-agglo rules discarded 140 transitions
Performed 140 trivial Post agglomeration. Transition count delta: 140
Iterating post reduction 0 with 140 rules applied. Total rules applied 141 place count 589 transition count 899
Reduce places removed 140 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 1 with 163 rules applied. Total rules applied 304 place count 449 transition count 876
Reduce places removed 15 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 16 rules applied. Total rules applied 320 place count 434 transition count 875
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 321 place count 433 transition count 875
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 56 Pre rules applied. Total rules applied 321 place count 433 transition count 819
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 4 with 112 rules applied. Total rules applied 433 place count 377 transition count 819
Discarding 31 places :
Symmetric choice reduction at 4 with 31 rule applications. Total rules 464 place count 346 transition count 680
Iterating global reduction 4 with 31 rules applied. Total rules applied 495 place count 346 transition count 680
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 499 place count 346 transition count 676
Performed 123 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 123 places in 0 ms
Reduce places removed 123 places and 0 transitions.
Iterating global reduction 5 with 246 rules applied. Total rules applied 745 place count 223 transition count 549
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 749 place count 223 transition count 545
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 761 place count 211 transition count 473
Iterating global reduction 6 with 12 rules applied. Total rules applied 773 place count 211 transition count 473
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 785 place count 211 transition count 461
Performed 21 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 7 with 42 rules applied. Total rules applied 827 place count 190 transition count 583
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 831 place count 186 transition count 539
Iterating global reduction 7 with 4 rules applied. Total rules applied 835 place count 186 transition count 539
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 7 with 19 rules applied. Total rules applied 854 place count 186 transition count 520
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 8 with 28 rules applied. Total rules applied 882 place count 186 transition count 492
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 890 place count 178 transition count 476
Iterating global reduction 8 with 8 rules applied. Total rules applied 898 place count 178 transition count 476
Discarding 8 places :
Symmetric choice reduction at 8 with 8 rule applications. Total rules 906 place count 170 transition count 414
Iterating global reduction 8 with 8 rules applied. Total rules applied 914 place count 170 transition count 414
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 8 with 8 rules applied. Total rules applied 922 place count 170 transition count 406
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 923 place count 170 transition count 406
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 924 place count 169 transition count 405
Applied a total of 924 rules in 114 ms. Remains 169 /818 variables (removed 649) and now considering 405/1288 (removed 883) transitions.
[2026-05-24 12:49:56] [INFO ] Flow matrix only has 372 transitions (discarded 33 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5423992795928399050.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15778737585918102043.kers'
[2026-05-24 12:49:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5423992795928399050.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15778737585918102043.kers]
Normalized transition count is 371 out of 372 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 371 rows 169 cols 1750 entries
Finished phase 1 with 117 SingleSign rule and 0 generalized
[2026-05-24 12:49:56] [INFO ] Computed 52 invariants in 1 ms
Computed 52 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15778737585918102043.kers
Total runtime 2 ms.
[2026-05-24 12:49:57] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-24 12:49:57] [INFO ] Flow matrix only has 372 transitions (discarded 33 similar events)
[2026-05-24 12:49:57] [INFO ] Invariant cache hit.
[2026-05-24 12:49:57] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 12:49:57] [INFO ] Implicit Places using invariants and state equation in 177 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
[2026-05-24 12:49:57] [INFO ] Redundant transitions in 6 ms returned []
Running 357 sub problems to find dead transitions.
[2026-05-24 12:49:57] [INFO ] Flow matrix only has 372 transitions (discarded 33 similar events)
[2026-05-24 12:49:57] [INFO ] Invariant cache hit.
[2026-05-24 12:49:57] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 4 (OVERLAPS) 371/540 variables, 169/221 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 35/256 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 7 (OVERLAPS) 0/540 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 357 unsolved
No progress, stopping.
After SMT solving in domain Real declared 540/541 variables, and 256 constraints, problems are : Problem set: 0 solved, 357 unsolved in 18333 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 169/169 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 357/357 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 357 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 2 (OVERLAPS) 1/169 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/169 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 4 (OVERLAPS) 371/540 variables, 169/221 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/540 variables, 35/256 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/540 variables, 357/613 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/540 variables, 9/622 constraints. Problems are: Problem set: 0 solved, 357 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/540 variables, 4/626 constraints. Problems are: Problem set: 0 solved, 357 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 540/541 variables, and 626 constraints, problems are : Problem set: 0 solved, 357 unsolved in 30016 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 169/169 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 357/357 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 13/13 constraints]
After SMT, in 48420ms problems are : Problem set: 0 solved, 357 unsolved
Search for dead transitions found 0 dead transitions in 48421ms
Starting structural reductions in SI_LTL mode, iteration 1 : 169/818 places, 405/1288 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48804 ms. Remains : 169/818 places, 405/1288 transitions.
Computed a total of 3 stabilizing places and 34 stable transitions
Computed a total of 3 stabilizing places and 34 stable transitions
Knowledge based reduction with 2 factoid took 71 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 22 steps (0 resets) in 7 ms. (2 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 84 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
[2026-05-24 12:50:45] [INFO ] Flow matrix only has 372 transitions (discarded 33 similar events)
[2026-05-24 12:50:45] [INFO ] Invariant cache hit.
[2026-05-24 12:50:46] [INFO ] [Real]Absence check using 52 positive place invariants in 15 ms returned sat
[2026-05-24 12:50:46] [INFO ] [Real]Absence check using state equation in 126 ms returned sat
[2026-05-24 12:50:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:50:46] [INFO ] [Nat]Absence check using 52 positive place invariants in 13 ms returned sat
[2026-05-24 12:50:46] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2026-05-24 12:50:46] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-24 12:50:46] [INFO ] [Nat]Added 35 Read/Feed constraints in 6 ms returned sat
[2026-05-24 12:50:46] [INFO ] Computed and/alt/rep : 188/448/188 causal constraints (skipped 143 transitions) in 20 ms.
[2026-05-24 12:50:46] [INFO ] Added : 2 causal constraints over 1 iterations in 70 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 905 ms.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA DLCround-PT-03b-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-03 finished in 102153 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(F((G(F((p0 U (p1||G(p0)))))||(!p0&&F((p0 U (p1||G(p0))))))))||((!p2||X(p3))&&F((G(F((p0 U (p1||G(p0)))))||(!p0&&F((p0 U (p1||G(p0)))))))))))'
Support contains 5 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 829 transition count 1301
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 829 transition count 1301
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 33 place count 822 transition count 1292
Iterating global reduction 0 with 7 rules applied. Total rules applied 40 place count 822 transition count 1292
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 43 place count 819 transition count 1289
Iterating global reduction 0 with 3 rules applied. Total rules applied 46 place count 819 transition count 1289
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 48 place count 819 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 818 transition count 1286
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 816 transition count 1284
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 816 transition count 1284
Applied a total of 54 rules in 96 ms. Remains 816 /842 variables (removed 26) and now considering 1284/1314 (removed 30) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1214890959934993516.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12750986091813881137.kers'
[2026-05-24 12:50:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1214890959934993516.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12750986091813881137.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1284 rows 816 cols 3547 entries
Finished phase 1 with 764 SingleSign rule and 0 generalized
[2026-05-24 12:50:46] [INFO ] Computed 52 invariants in 14 ms
Computed 52 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-12750986091813881137.kers
Total runtime 18 ms.
[2026-05-24 12:50:47] [INFO ] Implicit Places using invariants in 281 ms returned []
[2026-05-24 12:50:47] [INFO ] Invariant cache hit.
[2026-05-24 12:50:47] [INFO ] Implicit Places using invariants and state equation in 595 ms returned []
Implicit Place search using SMT with State Equation took 878 ms to find 0 implicit places.
Running 1283 sub problems to find dead transitions.
[2026-05-24 12:50:47] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/815 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
SMT process timed out in 30212ms, After SMT, problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 30217ms
Starting structural reductions in LTL mode, iteration 1 : 816/842 places, 1284/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31197 ms. Remains : 816/842 places, 1284/1314 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(F((G(F((p0 U (p1||G(p0)))))||(!p0&&F((p0 U (p1||G(p0))))))))||(F((G(F((p0 U (p1||G(p0)))))||(!p0&&F((p0 U (p1||G(p0)))))))&&(X(p3)||p2)))))'
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-06
Product exploration explored 100000 steps with 51 reset in 286 ms.
Product exploration explored 100000 steps with 55 reset in 349 ms.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Knowledge based reduction with 19 factoid took 69 ms. Reduced automaton from 4 states, 10 edges and 4 AP (stutter sensitive) to 8 states, 22 edges and 4 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 13 to 12
RANDOM walk for 40000 steps (8 resets) in 534 ms. (74 steps per ms) remains 3/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 235 ms. (169 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 105 ms. (377 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 99 ms. (400 steps per ms) remains 3/3 properties
[2026-05-24 12:51:19] [INFO ] Invariant cache hit.
Problem apf9 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 258/263 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 553/816 variables, 47/52 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/816 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1284/2100 variables, 816/868 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2100 variables, 0/868 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/2100 variables, 0/868 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2100/2100 variables, and 868 constraints, problems are : Problem set: 1 solved, 2 unsolved in 656 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 816/816 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 258/263 variables, 5/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/263 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 553/816 variables, 47/52 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/816 variables, 0/52 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1284/2100 variables, 816/868 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2100 variables, 2/870 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2100 variables, 0/870 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/2100 variables, 0/870 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2100/2100 variables, and 870 constraints, problems are : Problem set: 1 solved, 2 unsolved in 853 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 816/816 constraints, PredecessorRefiner: 2/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1519ms problems are : Problem set: 1 solved, 2 unsolved
Finished Parikh walk after 1080 steps, including 4 resets, run visited all 1 properties in 4 ms. (steps per millisecond=270 )
Parikh walk visited 2 properties in 119 ms.
Found 1 invariant AP formulas.
Knowledge based reduction with 20 factoid took 253 ms. Reduced automaton from 8 states, 22 edges and 4 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 234 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Knowledge-based reduction took 2513 ms.
Stuttering acceptance computed with spot in 235 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), false]
Support contains 2 out of 816 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 816/816 places, 1284/1284 transitions.
Graph (trivial) has 759 edges and 816 vertex of which 238 / 816 are part of one of the 19 SCC in 3 ms
Free SCC test removed 219 places
Ensure Unique test removed 238 transitions
Reduce isomorphic transitions removed 238 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 139 transitions
Trivial Post-agglo rules discarded 139 transitions
Performed 139 trivial Post agglomeration. Transition count delta: 139
Iterating post reduction 0 with 139 rules applied. Total rules applied 140 place count 596 transition count 906
Reduce places removed 139 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 1 with 163 rules applied. Total rules applied 303 place count 457 transition count 882
Reduce places removed 16 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 17 rules applied. Total rules applied 320 place count 441 transition count 881
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 321 place count 440 transition count 881
Performed 57 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 57 Pre rules applied. Total rules applied 321 place count 440 transition count 824
Deduced a syphon composed of 57 places in 1 ms
Reduce places removed 57 places and 0 transitions.
Iterating global reduction 4 with 114 rules applied. Total rules applied 435 place count 383 transition count 824
Discarding 31 places :
Symmetric choice reduction at 4 with 31 rule applications. Total rules 466 place count 352 transition count 697
Iterating global reduction 4 with 31 rules applied. Total rules applied 497 place count 352 transition count 697
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 501 place count 352 transition count 693
Performed 126 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 126 places in 0 ms
Reduce places removed 126 places and 0 transitions.
Iterating global reduction 5 with 252 rules applied. Total rules applied 753 place count 226 transition count 563
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 756 place count 226 transition count 560
Discarding 12 places :
Symmetric choice reduction at 6 with 12 rule applications. Total rules 768 place count 214 transition count 488
Iterating global reduction 6 with 12 rules applied. Total rules applied 780 place count 214 transition count 488
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 6 with 11 rules applied. Total rules applied 791 place count 214 transition count 477
Performed 17 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 7 with 34 rules applied. Total rules applied 825 place count 197 transition count 570
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 829 place count 193 transition count 532
Iterating global reduction 7 with 4 rules applied. Total rules applied 833 place count 193 transition count 532
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 7 with 17 rules applied. Total rules applied 850 place count 193 transition count 515
Drop transitions (Redundant composition of simpler transitions.) removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 8 with 23 rules applied. Total rules applied 873 place count 193 transition count 492
Discarding 7 places :
Symmetric choice reduction at 8 with 7 rule applications. Total rules 880 place count 186 transition count 478
Iterating global reduction 8 with 7 rules applied. Total rules applied 887 place count 186 transition count 478
Discarding 7 places :
Symmetric choice reduction at 8 with 7 rule applications. Total rules 894 place count 179 transition count 428
Iterating global reduction 8 with 7 rules applied. Total rules applied 901 place count 179 transition count 428
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 8 with 7 rules applied. Total rules applied 908 place count 179 transition count 421
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 9 with 1 rules applied. Total rules applied 909 place count 178 transition count 420
Applied a total of 909 rules in 86 ms. Remains 178 /816 variables (removed 638) and now considering 420/1284 (removed 864) transitions.
[2026-05-24 12:51:21] [INFO ] Flow matrix only has 404 transitions (discarded 16 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4047891457369333359.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18024556306902882941.kers'
[2026-05-24 12:51:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4047891457369333359.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18024556306902882941.kers]
Normalized transition count is 403 out of 404 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 403 rows 178 cols 1880 entries
Finished phase 1 with 126 SingleSign rule and 0 generalized
[2026-05-24 12:51:21] [INFO ] Computed 52 invariants in 9 ms
Computed 52 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-18024556306902882941.kers
Total runtime 12 ms.
[2026-05-24 12:51:21] [INFO ] Implicit Places using invariants in 114 ms returned []
[2026-05-24 12:51:21] [INFO ] Flow matrix only has 404 transitions (discarded 16 similar events)
[2026-05-24 12:51:21] [INFO ] Invariant cache hit.
[2026-05-24 12:51:21] [INFO ] State equation strengthened by 31 read => feed constraints.
[2026-05-24 12:51:21] [INFO ] Implicit Places using invariants and state equation in 178 ms returned []
Implicit Place search using SMT with State Equation took 293 ms to find 0 implicit places.
[2026-05-24 12:51:21] [INFO ] Redundant transitions in 3 ms returned []
Running 369 sub problems to find dead transitions.
[2026-05-24 12:51:22] [INFO ] Flow matrix only has 404 transitions (discarded 16 similar events)
[2026-05-24 12:51:22] [INFO ] Invariant cache hit.
[2026-05-24 12:51:22] [INFO ] State equation strengthened by 31 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/177 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 2 (OVERLAPS) 1/178 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 4 (OVERLAPS) 403/581 variables, 178/230 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/581 variables, 31/261 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/581 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 7 (OVERLAPS) 0/581 variables, 0/261 constraints. Problems are: Problem set: 0 solved, 369 unsolved
No progress, stopping.
After SMT solving in domain Real declared 581/582 variables, and 261 constraints, problems are : Problem set: 0 solved, 369 unsolved in 20553 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 178/178 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 369/369 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 369 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/177 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/177 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 2 (OVERLAPS) 1/178 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/178 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 4 (OVERLAPS) 403/581 variables, 178/230 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/581 variables, 31/261 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/581 variables, 369/630 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/581 variables, 0/630 constraints. Problems are: Problem set: 0 solved, 369 unsolved
At refinement iteration 8 (OVERLAPS) 0/581 variables, 0/630 constraints. Problems are: Problem set: 0 solved, 369 unsolved
No progress, stopping.
After SMT solving in domain Int declared 581/582 variables, and 630 constraints, problems are : Problem set: 0 solved, 369 unsolved in 26505 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 178/178 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 369/369 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 47146ms problems are : Problem set: 0 solved, 369 unsolved
Search for dead transitions found 0 dead transitions in 47147ms
Starting structural reductions in SI_LTL mode, iteration 1 : 178/816 places, 420/1284 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 47540 ms. Remains : 178/816 places, 420/1284 transitions.
Computed a total of 1 stabilizing places and 16 stable transitions
Computed a total of 1 stabilizing places and 16 stable transitions
Knowledge based reduction with 7 factoid took 171 ms. Reduced automaton from 5 states, 12 edges and 2 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
Reduction of identical properties reduced properties to check from 5 to 4
RANDOM walk for 40000 steps (8 resets) in 213 ms. (186 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
[2026-05-24 12:52:09] [INFO ] Flow matrix only has 404 transitions (discarded 16 similar events)
[2026-05-24 12:52:09] [INFO ] Invariant cache hit.
[2026-05-24 12:52:09] [INFO ] State equation strengthened by 31 read => feed constraints.
Problem apf4 is UNSAT
After SMT solving in domain Real declared 2/582 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 15 ms.
Refiners :[Positive P Invariants (semi-flows): 0/52 constraints, State Equation: 0/178 constraints, ReadFeed: 0/31 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 18ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 8 factoid took 196 ms. Reduced automaton from 5 states, 12 edges and 2 AP (stutter insensitive) to 5 states, 12 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 222 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p1)]
Knowledge-based reduction took 721 ms.
Stuttering acceptance computed with spot in 231 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p1)]
Stuttering criterion allowed to conclude after 77 steps with 0 reset in 2 ms.
FORMULA DLCround-PT-03b-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-06 finished in 83574 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)&&F(G(p1))) U X(p2))))'
Support contains 4 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 828 transition count 1300
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 828 transition count 1300
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 35 place count 821 transition count 1291
Iterating global reduction 0 with 7 rules applied. Total rules applied 42 place count 821 transition count 1291
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 45 place count 818 transition count 1288
Iterating global reduction 0 with 3 rules applied. Total rules applied 48 place count 818 transition count 1288
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 816 transition count 1284
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 816 transition count 1284
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 55 place count 815 transition count 1283
Iterating global reduction 1 with 1 rules applied. Total rules applied 56 place count 815 transition count 1283
Applied a total of 56 rules in 95 ms. Remains 815 /842 variables (removed 27) and now considering 1283/1314 (removed 31) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14354601261470096451.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4112555989284555329.kers'
[2026-05-24 12:52:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14354601261470096451.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4112555989284555329.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1283 rows 815 cols 3545 entries
Finished phase 1 with 763 SingleSign rule and 0 generalized
[2026-05-24 12:52:10] [INFO ] Computed 52 invariants in 13 ms
Computed 52 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-4112555989284555329.kers
Total runtime 17 ms.
[2026-05-24 12:52:10] [INFO ] Implicit Places using invariants in 259 ms returned []
[2026-05-24 12:52:10] [INFO ] Invariant cache hit.
[2026-05-24 12:52:11] [INFO ] Implicit Places using invariants and state equation in 578 ms returned []
Implicit Place search using SMT with State Equation took 840 ms to find 0 implicit places.
Running 1282 sub problems to find dead transitions.
[2026-05-24 12:52:11] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/814 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
SMT process timed out in 30297ms, After SMT, problems are : Problem set: 0 solved, 1282 unsolved
Search for dead transitions found 0 dead transitions in 30303ms
Starting structural reductions in LTL mode, iteration 1 : 815/842 places, 1283/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31246 ms. Remains : 815/842 places, 1283/1314 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)&&F(G(p1))) U X(p2))))'
Stuttering acceptance computed with spot in 277 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-07
Product exploration explored 100000 steps with 16 reset in 264 ms.
Product exploration explored 100000 steps with 6 reset in 352 ms.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Knowledge based reduction with 5 factoid took 54 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 4093 steps (0 resets) in 34 ms. (116 steps per ms) remains 0/4 properties
Knowledge based reduction with 5 factoid took 104 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 248 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
[2026-05-24 12:52:42] [INFO ] Invariant cache hit.
[2026-05-24 12:52:43] [INFO ] [Real]Absence check using 52 positive place invariants in 141 ms returned sat
[2026-05-24 12:52:46] [INFO ] [Real]Absence check using state equation in 3466 ms returned sat
[2026-05-24 12:52:47] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:52:47] [INFO ] [Nat]Absence check using 52 positive place invariants in 108 ms returned sat
[2026-05-24 12:52:50] [INFO ] [Nat]Absence check using state equation in 2892 ms returned sat
[2026-05-24 12:52:50] [INFO ] Computed and/alt/rep : 1250/2358/1250 causal constraints (skipped 32 transitions) in 69 ms.
Could not prove EG (NOT p2)
Knowledge-based reduction took 19500 ms.
Stuttering acceptance computed with spot in 268 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
Support contains 4 out of 815 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 815/815 places, 1283/1283 transitions.
Applied a total of 0 rules in 13 ms. Remains 815 /815 variables (removed 0) and now considering 1283/1283 (removed 0) transitions.
[2026-05-24 12:53:02] [INFO ] Invariant cache hit.
[2026-05-24 12:53:02] [INFO ] Implicit Places using invariants in 248 ms returned []
[2026-05-24 12:53:02] [INFO ] Invariant cache hit.
[2026-05-24 12:53:03] [INFO ] Implicit Places using invariants and state equation in 580 ms returned []
Implicit Place search using SMT with State Equation took 830 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 845 ms. Remains : 815/815 places, 1283/1283 transitions.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Knowledge based reduction with 4 factoid took 71 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
RANDOM walk for 5474 steps (0 resets) in 35 ms. (152 steps per ms) remains 0/4 properties
Knowledge based reduction with 4 factoid took 106 ms. Reduced automaton from 6 states, 10 edges and 3 AP (stutter sensitive) to 6 states, 10 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 246 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
[2026-05-24 12:53:03] [INFO ] Invariant cache hit.
[2026-05-24 12:53:04] [INFO ] [Real]Absence check using 52 positive place invariants in 140 ms returned sat
[2026-05-24 12:53:07] [INFO ] [Real]Absence check using state equation in 3426 ms returned sat
[2026-05-24 12:53:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-24 12:53:08] [INFO ] [Nat]Absence check using 52 positive place invariants in 105 ms returned sat
[2026-05-24 12:53:10] [INFO ] [Nat]Absence check using state equation in 2812 ms returned sat
[2026-05-24 12:53:11] [INFO ] Computed and/alt/rep : 1250/2358/1250 causal constraints (skipped 32 transitions) in 55 ms.
Could not prove EG (NOT p2)
Knowledge-based reduction took 19504 ms.
Stuttering acceptance computed with spot in 278 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 273 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p1)]
Product exploration explored 100000 steps with 7 reset in 255 ms.
Product exploration explored 100000 steps with 6 reset in 328 ms.
Spot run failed in 75 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/ltsmin15719105335150927291
[2026-05-24 12:53:23] [INFO ] Built C files in 35ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15719105335150927291
Running compilation step : cd /tmp/ltsmin15719105335150927291;'/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 2285 ms.
Running link step : cd /tmp/ltsmin15719105335150927291;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 63 ms.
Running LTSmin : cd /tmp/ltsmin15719105335150927291;'/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/stateBased5605970485627729206.hoa' '--buchi-type=spotba'
LTSmin run took 172 ms.
FORMULA DLCround-PT-03b-LTLFireability-07 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DLCround-PT-03b-LTLFireability-07 finished in 76157 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)&&F(p1)))'
Support contains 5 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 829 transition count 1301
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 829 transition count 1301
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 32 place count 823 transition count 1294
Iterating global reduction 0 with 6 rules applied. Total rules applied 38 place count 823 transition count 1294
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 40 place count 821 transition count 1292
Iterating global reduction 0 with 2 rules applied. Total rules applied 42 place count 821 transition count 1292
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 43 place count 821 transition count 1291
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 820 transition count 1290
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 820 transition count 1290
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 46 place count 819 transition count 1289
Iterating global reduction 1 with 1 rules applied. Total rules applied 47 place count 819 transition count 1289
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 48 place count 818 transition count 1288
Iterating global reduction 1 with 1 rules applied. Total rules applied 49 place count 818 transition count 1288
Applied a total of 49 rules in 86 ms. Remains 818 /842 variables (removed 24) and now considering 1288/1314 (removed 26) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4963805086387986644.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10096174179403913291.kers'
[2026-05-24 12:53:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4963805086387986644.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10096174179403913291.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1288 rows 818 cols 3555 entries
Finished phase 1 with 766 SingleSign rule and 0 generalized
[2026-05-24 12:53:26] [INFO ] Computed 52 invariants in 19 ms
Computed 52 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-10096174179403913291.kers
Total runtime 20 ms.
[2026-05-24 12:53:26] [INFO ] Implicit Places using invariants in 308 ms returned []
[2026-05-24 12:53:26] [INFO ] Invariant cache hit.
[2026-05-24 12:53:27] [INFO ] Implicit Places using invariants and state equation in 600 ms returned []
Implicit Place search using SMT with State Equation took 910 ms to find 0 implicit places.
Running 1287 sub problems to find dead transitions.
[2026-05-24 12:53:27] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/817 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1287 unsolved
SMT process timed out in 30206ms, After SMT, problems are : Problem set: 0 solved, 1287 unsolved
Search for dead transitions found 0 dead transitions in 30209ms
Starting structural reductions in LTL mode, iteration 1 : 818/842 places, 1288/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31210 ms. Remains : 818/842 places, 1288/1314 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)&&F(p1)))'
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), true]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3433 steps with 1 reset in 13 ms.
FORMULA DLCround-PT-03b-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-08 finished in 31405 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' '!(((p0&&X(G((G(p1)||F(p0))))) U X(X(!p1))))'
Support contains 2 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 829 transition count 1301
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 829 transition count 1301
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 33 place count 822 transition count 1292
Iterating global reduction 0 with 7 rules applied. Total rules applied 40 place count 822 transition count 1292
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 43 place count 819 transition count 1289
Iterating global reduction 0 with 3 rules applied. Total rules applied 46 place count 819 transition count 1289
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 48 place count 819 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 818 transition count 1286
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 816 transition count 1284
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 816 transition count 1284
Applied a total of 54 rules in 79 ms. Remains 816 /842 variables (removed 26) and now considering 1284/1314 (removed 30) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15988723888885407204.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4576363110944239102.kers'
[2026-05-24 12:53:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15988723888885407204.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4576363110944239102.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1284 rows 816 cols 3547 entries
Finished phase 1 with 764 SingleSign rule and 0 generalized
[2026-05-24 12:53:58] [INFO ] Computed 52 invariants in 13 ms
Computed 52 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-4576363110944239102.kers
Total runtime 17 ms.
[2026-05-24 12:53:58] [INFO ] Implicit Places using invariants in 284 ms returned []
[2026-05-24 12:53:58] [INFO ] Invariant cache hit.
[2026-05-24 12:53:58] [INFO ] Implicit Places using invariants and state equation in 571 ms returned []
Implicit Place search using SMT with State Equation took 856 ms to find 0 implicit places.
Running 1283 sub problems to find dead transitions.
[2026-05-24 12:53:58] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/815 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
SMT process timed out in 30194ms, After SMT, problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 30197ms
Starting structural reductions in LTL mode, iteration 1 : 816/842 places, 1284/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31139 ms. Remains : 816/842 places, 1284/1314 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' '!(((p0&&X(G((G(p1)||F(p0))))) U X(X(!p1))))'
Stuttering acceptance computed with spot in 512 ms :[p1, p1, p1, p1, true, false, (AND (NOT p0) p1), p1, false, p1, (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-09
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-03b-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-09 finished in 31700 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((X(F(!(p0 U p1)))&&X(F(G(p0))))))'
Support contains 2 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 14 places :
Symmetric choice reduction at 0 with 14 rule applications. Total rules 14 place count 828 transition count 1300
Iterating global reduction 0 with 14 rules applied. Total rules applied 28 place count 828 transition count 1300
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 35 place count 821 transition count 1291
Iterating global reduction 0 with 7 rules applied. Total rules applied 42 place count 821 transition count 1291
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 45 place count 818 transition count 1288
Iterating global reduction 0 with 3 rules applied. Total rules applied 48 place count 818 transition count 1288
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 816 transition count 1284
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 816 transition count 1284
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 55 place count 815 transition count 1283
Iterating global reduction 1 with 1 rules applied. Total rules applied 56 place count 815 transition count 1283
Applied a total of 56 rules in 108 ms. Remains 815 /842 variables (removed 27) and now considering 1283/1314 (removed 31) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16497581647899912060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16757742012620384310.kers'
[2026-05-24 12:54:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16497581647899912060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16757742012620384310.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1283 rows 815 cols 3545 entries
Finished phase 1 with 763 SingleSign rule and 0 generalized
[2026-05-24 12:54:29] [INFO ] Computed 52 invariants in 12 ms
Computed 52 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-16757742012620384310.kers
Total runtime 16 ms.
[2026-05-24 12:54:29] [INFO ] Implicit Places using invariants in 279 ms returned []
[2026-05-24 12:54:29] [INFO ] Invariant cache hit.
[2026-05-24 12:54:30] [INFO ] Implicit Places using invariants and state equation in 609 ms returned []
Implicit Place search using SMT with State Equation took 891 ms to find 0 implicit places.
Running 1282 sub problems to find dead transitions.
[2026-05-24 12:54:30] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/814 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1282 unsolved
SMT process timed out in 30205ms, After SMT, problems are : Problem set: 0 solved, 1282 unsolved
Search for dead transitions found 0 dead transitions in 30207ms
Starting structural reductions in LTL mode, iteration 1 : 815/842 places, 1283/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31212 ms. Remains : 815/842 places, 1283/1314 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((X(F(!(p0 U p1)))&&X(F(G(p0))))))'
Stuttering acceptance computed with spot in 175 ms :[(OR (NOT p0) p1), (OR (NOT p0) p1), p1, (NOT p0)]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-10
Stuttering criterion allowed to conclude after 96763 steps with 0 reset in 256 ms.
FORMULA DLCround-PT-03b-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-10 finished in 31685 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(p0) U ((!p1&&X(p0))||X(G(p0))))&&(p2||(X(!p3) U ((p4&&X(!p3))||X(G(!p3))))))))'
Support contains 7 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 830 transition count 1302
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 830 transition count 1302
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 31 place count 823 transition count 1293
Iterating global reduction 0 with 7 rules applied. Total rules applied 38 place count 823 transition count 1293
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 41 place count 820 transition count 1290
Iterating global reduction 0 with 3 rules applied. Total rules applied 44 place count 820 transition count 1290
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 46 place count 820 transition count 1288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 47 place count 819 transition count 1287
Iterating global reduction 1 with 1 rules applied. Total rules applied 48 place count 819 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 818 transition count 1286
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Applied a total of 52 rules in 91 ms. Remains 817 /842 variables (removed 25) and now considering 1285/1314 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5872929996057554775.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6326800036955519906.kers'
[2026-05-24 12:55:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5872929996057554775.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6326800036955519906.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1285 rows 817 cols 3549 entries
Finished phase 1 with 765 SingleSign rule and 0 generalized
[2026-05-24 12:55:01] [INFO ] Computed 52 invariants in 15 ms
Computed 52 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-6326800036955519906.kers
Total runtime 19 ms.
[2026-05-24 12:55:01] [INFO ] Implicit Places using invariants in 298 ms returned []
[2026-05-24 12:55:01] [INFO ] Invariant cache hit.
[2026-05-24 12:55:02] [INFO ] Implicit Places using invariants and state equation in 559 ms returned []
Implicit Place search using SMT with State Equation took 859 ms to find 0 implicit places.
Running 1284 sub problems to find dead transitions.
[2026-05-24 12:55:02] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/816 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1284 unsolved
SMT process timed out in 30201ms, After SMT, problems are : Problem set: 0 solved, 1284 unsolved
Search for dead transitions found 0 dead transitions in 30204ms
Starting structural reductions in LTL mode, iteration 1 : 817/842 places, 1285/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31159 ms. Remains : 817/842 places, 1285/1314 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(p0) U ((!p1&&X(p0))||X(G(p0))))&&(p2||(X(!p3) U ((p4&&X(!p3))||X(G(!p3))))))))'
Stuttering acceptance computed with spot in 322 ms :[(OR (NOT p0) (AND (NOT p2) p3)), (OR (NOT p0) (AND (NOT p2) p3)), (NOT p0), p3, p3, (NOT p0), true]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-11
Product exploration explored 100000 steps with 33333 reset in 220 ms.
Product exploration explored 100000 steps with 33333 reset in 218 ms.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 13 factoid took 22 ms. Proved property starting from automaton with 7 states, 14 edges and 5 AP (stutter sensitive
Knowledge-based reduction took 37 ms.
FORMULA DLCround-PT-03b-LTLFireability-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DLCround-PT-03b-LTLFireability-11 finished in 32039 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)||F(p1)))'
Support contains 3 out of 842 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Graph (trivial) has 794 edges and 842 vertex of which 248 / 842 are part of one of the 20 SCC in 2 ms
Free SCC test removed 228 places
Ensure Unique test removed 248 transitions
Reduce isomorphic transitions removed 248 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 152 transitions
Trivial Post-agglo rules discarded 152 transitions
Performed 152 trivial Post agglomeration. Transition count delta: 152
Iterating post reduction 0 with 152 rules applied. Total rules applied 153 place count 613 transition count 913
Reduce places removed 152 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 1 with 180 rules applied. Total rules applied 333 place count 461 transition count 885
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 22 rules applied. Total rules applied 355 place count 443 transition count 881
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 357 place count 441 transition count 881
Performed 54 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 54 Pre rules applied. Total rules applied 357 place count 441 transition count 827
Deduced a syphon composed of 54 places in 1 ms
Reduce places removed 54 places and 0 transitions.
Iterating global reduction 4 with 108 rules applied. Total rules applied 465 place count 387 transition count 827
Discarding 38 places :
Symmetric choice reduction at 4 with 38 rule applications. Total rules 503 place count 349 transition count 693
Iterating global reduction 4 with 38 rules applied. Total rules applied 541 place count 349 transition count 693
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 545 place count 349 transition count 689
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 545 place count 349 transition count 683
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 557 place count 343 transition count 683
Performed 121 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 121 places in 0 ms
Reduce places removed 121 places and 0 transitions.
Iterating global reduction 5 with 242 rules applied. Total rules applied 799 place count 222 transition count 558
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 802 place count 222 transition count 555
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 815 place count 209 transition count 476
Iterating global reduction 6 with 13 rules applied. Total rules applied 828 place count 209 transition count 476
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 6 with 12 rules applied. Total rules applied 840 place count 209 transition count 464
Performed 16 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 7 with 32 rules applied. Total rules applied 872 place count 193 transition count 542
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 876 place count 189 transition count 504
Iterating global reduction 7 with 4 rules applied. Total rules applied 880 place count 189 transition count 504
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 7 with 17 rules applied. Total rules applied 897 place count 189 transition count 487
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 8 with 20 rules applied. Total rules applied 917 place count 189 transition count 467
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 923 place count 183 transition count 455
Iterating global reduction 8 with 6 rules applied. Total rules applied 929 place count 183 transition count 455
Discarding 6 places :
Symmetric choice reduction at 8 with 6 rule applications. Total rules 935 place count 177 transition count 413
Iterating global reduction 8 with 6 rules applied. Total rules applied 941 place count 177 transition count 413
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 8 with 6 rules applied. Total rules applied 947 place count 177 transition count 407
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 949 place count 177 transition count 407
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 950 place count 177 transition count 406
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 951 place count 176 transition count 404
Iterating global reduction 9 with 1 rules applied. Total rules applied 952 place count 176 transition count 404
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 953 place count 175 transition count 396
Iterating global reduction 9 with 1 rules applied. Total rules applied 954 place count 175 transition count 396
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 955 place count 175 transition count 395
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 10 with 1 rules applied. Total rules applied 956 place count 174 transition count 394
Applied a total of 956 rules in 93 ms. Remains 174 /842 variables (removed 668) and now considering 394/1314 (removed 920) transitions.
[2026-05-24 12:55:33] [INFO ] Flow matrix only has 377 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-649376277867270296.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8085199808262492629.kers'
[2026-05-24 12:55:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-649376277867270296.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8085199808262492629.kers]
Normalized transition count is 376 out of 377 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 376 rows 174 cols 1786 entries
Finished phase 1 with 122 SingleSign rule and 0 generalized
[2026-05-24 12:55:33] [INFO ] Computed 52 invariants in 2 ms
Computed 52 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-8085199808262492629.kers
Total runtime 3 ms.
[2026-05-24 12:55:33] [INFO ] Implicit Places using invariants in 85 ms returned []
[2026-05-24 12:55:33] [INFO ] Flow matrix only has 377 transitions (discarded 17 similar events)
[2026-05-24 12:55:33] [INFO ] Invariant cache hit.
[2026-05-24 12:55:33] [INFO ] State equation strengthened by 30 read => feed constraints.
[2026-05-24 12:55:33] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 243 ms to find 0 implicit places.
[2026-05-24 12:55:33] [INFO ] Redundant transitions in 2 ms returned []
Running 345 sub problems to find dead transitions.
[2026-05-24 12:55:33] [INFO ] Flow matrix only has 377 transitions (discarded 17 similar events)
[2026-05-24 12:55:33] [INFO ] Invariant cache hit.
[2026-05-24 12:55:33] [INFO ] State equation strengthened by 30 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/173 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 2 (OVERLAPS) 1/174 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 4 (OVERLAPS) 376/550 variables, 174/226 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/550 variables, 30/256 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/550 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 7 (OVERLAPS) 0/550 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 345 unsolved
No progress, stopping.
After SMT solving in domain Real declared 550/551 variables, and 256 constraints, problems are : Problem set: 0 solved, 345 unsolved in 17628 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 174/174 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 345/345 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 345 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/173 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 2 (OVERLAPS) 1/174 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 4 (OVERLAPS) 376/550 variables, 174/226 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/550 variables, 30/256 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/550 variables, 345/601 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/550 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 345 unsolved
At refinement iteration 8 (OVERLAPS) 0/550 variables, 0/601 constraints. Problems are: Problem set: 0 solved, 345 unsolved
No progress, stopping.
After SMT solving in domain Int declared 550/551 variables, and 601 constraints, problems are : Problem set: 0 solved, 345 unsolved in 22427 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 174/174 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 345/345 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40113ms problems are : Problem set: 0 solved, 345 unsolved
Search for dead transitions found 0 dead transitions in 40114ms
Starting structural reductions in SI_LTL mode, iteration 1 : 174/842 places, 394/1314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40458 ms. Remains : 174/842 places, 394/1314 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)||F(p1)))'
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-12
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-03b-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-12 finished in 40576 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0)) U ((X(X(p0))&&(!p1 U p2))||X(X(G(p0)))))))'
Support contains 4 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 830 transition count 1302
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 830 transition count 1302
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 30 place count 824 transition count 1294
Iterating global reduction 0 with 6 rules applied. Total rules applied 36 place count 824 transition count 1294
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 39 place count 821 transition count 1291
Iterating global reduction 0 with 3 rules applied. Total rules applied 42 place count 821 transition count 1291
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 44 place count 821 transition count 1289
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 45 place count 820 transition count 1288
Iterating global reduction 1 with 1 rules applied. Total rules applied 46 place count 820 transition count 1288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 47 place count 819 transition count 1287
Iterating global reduction 1 with 1 rules applied. Total rules applied 48 place count 819 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 818 transition count 1286
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 818 transition count 1286
Applied a total of 50 rules in 88 ms. Remains 818 /842 variables (removed 24) and now considering 1286/1314 (removed 28) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2395053628536878768.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10747504704637452707.kers'
[2026-05-24 12:56:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2395053628536878768.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10747504704637452707.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 1286 rows 818 cols 3551 entries
Finished phase 1 with 766 SingleSign rule and 0 generalized
[2026-05-24 12:56:14] [INFO ] Computed 52 invariants in 14 ms
Computed 52 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-10747504704637452707.kers
Total runtime 18 ms.
[2026-05-24 12:56:14] [INFO ] Implicit Places using invariants in 265 ms returned []
[2026-05-24 12:56:14] [INFO ] Invariant cache hit.
[2026-05-24 12:56:14] [INFO ] Implicit Places using invariants and state equation in 573 ms returned []
Implicit Place search using SMT with State Equation took 840 ms to find 0 implicit places.
Running 1285 sub problems to find dead transitions.
[2026-05-24 12:56:14] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/817 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1285 unsolved
SMT process timed out in 30201ms, After SMT, problems are : Problem set: 0 solved, 1285 unsolved
Search for dead transitions found 0 dead transitions in 30205ms
Starting structural reductions in LTL mode, iteration 1 : 818/842 places, 1286/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31138 ms. Remains : 818/842 places, 1286/1314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0)) U (X(X(G(p0)))||(X(X(p0))&&(!p1 U p2))))))'
Stuttering acceptance computed with spot in 353 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-13
Product exploration explored 100000 steps with 20058 reset in 203 ms.
Product exploration explored 100000 steps with 19964 reset in 211 ms.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Knowledge based reduction with 17 factoid took 90 ms. Reduced automaton from 9 states, 21 edges and 3 AP (stutter sensitive) to 9 states, 21 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 230 ms. (173 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
[2026-05-24 12:56:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 254/258 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 560/818 variables, 48/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/818 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1286/2104 variables, 818/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2104 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2104 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2104/2104 variables, and 870 constraints, problems are : Problem set: 0 solved, 1 unsolved in 670 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 818/818 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 254/258 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 560/818 variables, 48/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/818 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1286/2104 variables, 818/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2104 variables, 1/871 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2104 variables, 0/871 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/2104 variables, 0/871 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2104/2104 variables, and 871 constraints, problems are : Problem set: 0 solved, 1 unsolved in 579 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 818/818 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1287ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 322 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=161 )
Parikh walk visited 1 properties in 1 ms.
Knowledge based reduction with 17 factoid took 171 ms. Reduced automaton from 9 states, 21 edges and 3 AP (stutter sensitive) to 9 states, 21 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 263 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Knowledge-based reduction took 1925 ms.
Stuttering acceptance computed with spot in 276 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Support contains 4 out of 818 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 818/818 places, 1286/1286 transitions.
Applied a total of 0 rules in 12 ms. Remains 818 /818 variables (removed 0) and now considering 1286/1286 (removed 0) transitions.
[2026-05-24 12:56:48] [INFO ] Invariant cache hit.
[2026-05-24 12:56:48] [INFO ] Implicit Places using invariants in 258 ms returned []
[2026-05-24 12:56:48] [INFO ] Invariant cache hit.
[2026-05-24 12:56:48] [INFO ] Implicit Places using invariants and state equation in 580 ms returned []
Implicit Place search using SMT with State Equation took 851 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 863 ms. Remains : 818/818 places, 1286/1286 transitions.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Knowledge based reduction with 17 factoid took 71 ms. Reduced automaton from 9 states, 21 edges and 3 AP (stutter sensitive) to 9 states, 21 edges and 3 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 263 ms. (151 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
[2026-05-24 12:56:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 254/258 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 560/818 variables, 48/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/818 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1286/2104 variables, 818/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2104 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/2104 variables, 0/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2104/2104 variables, and 870 constraints, problems are : Problem set: 0 solved, 1 unsolved in 596 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 818/818 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 254/258 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/258 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 560/818 variables, 48/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/818 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1286/2104 variables, 818/870 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2104 variables, 1/871 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2104 variables, 0/871 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/2104 variables, 0/871 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2104/2104 variables, and 871 constraints, problems are : Problem set: 0 solved, 1 unsolved in 555 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 818/818 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1185ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 324 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=162 )
Parikh walk visited 1 properties in 2 ms.
Knowledge based reduction with 17 factoid took 159 ms. Reduced automaton from 9 states, 21 edges and 3 AP (stutter sensitive) to 9 states, 21 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 292 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Knowledge-based reduction took 1855 ms.
Stuttering acceptance computed with spot in 274 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Stuttering acceptance computed with spot in 315 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p2)), true, (NOT p2)]
Product exploration explored 100000 steps with 19984 reset in 190 ms.
Product exploration explored 100000 steps with 20033 reset in 226 ms.
Spot run failed in 50 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/ltsmin2989787611814776829
[2026-05-24 12:56:51] [INFO ] Built C files in 25ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin2989787611814776829
Running compilation step : cd /tmp/ltsmin2989787611814776829;'/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 2146 ms.
Running link step : cd /tmp/ltsmin2989787611814776829;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin2989787611814776829;'/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/stateBased3129844490753963567.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 4 out of 818 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 818/818 places, 1286/1286 transitions.
Applied a total of 0 rules in 11 ms. Remains 818 /818 variables (removed 0) and now considering 1286/1286 (removed 0) transitions.
[2026-05-24 12:57:06] [INFO ] Invariant cache hit.
[2026-05-24 12:57:07] [INFO ] Implicit Places using invariants in 253 ms returned []
[2026-05-24 12:57:07] [INFO ] Invariant cache hit.
[2026-05-24 12:57:07] [INFO ] Implicit Places using invariants and state equation in 597 ms returned []
Implicit Place search using SMT with State Equation took 893 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 906 ms. Remains : 818/818 places, 1286/1286 transitions.
Built C files in :
/tmp/ltsmin7752885149193348884
[2026-05-24 12:57:07] [INFO ] Built C files in 24ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin7752885149193348884
Running compilation step : cd /tmp/ltsmin7752885149193348884;'/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 2142 ms.
Running link step : cd /tmp/ltsmin7752885149193348884;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 67 ms.
Running LTSmin : cd /tmp/ltsmin7752885149193348884;'/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/stateBased2401810207729332864.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 12:57:22] [INFO ] Flatten gal took : 39 ms
[2026-05-24 12:57:22] [INFO ] Flatten gal took : 34 ms
[2026-05-24 12:57:22] [INFO ] Time to serialize gal into /tmp/LTL4918665504698931547.gal : 11 ms
[2026-05-24 12:57:23] [INFO ] Time to serialize properties into /tmp/LTL18251802115540705125.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL4918665504698931547.gal' '-t' 'CGAL' '-hoa' '/tmp/aut8211440219503817100.hoa' '-atoms' '/tmp/LTL18251802115540705125.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...318
Loading property file /tmp/LTL18251802115540705125.prop.
Loaded 3 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut8211440219503817100.hoa
Detected timeout of ITS tools.
[2026-05-24 12:57:38] [INFO ] Flatten gal took : 32 ms
[2026-05-24 12:57:38] [INFO ] Flatten gal took : 33 ms
[2026-05-24 12:57:38] [INFO ] Time to serialize gal into /tmp/LTL12088665626397324448.gal : 7 ms
[2026-05-24 12:57:38] [INFO ] Time to serialize properties into /tmp/LTL4121174404159308721.ltl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12088665626397324448.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4121174404159308721.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((X((X(X("(p695!=1)")))U((X(X(G("(p695!=1)"))))||((X(X("(p695!=1)")))&&((!("((p442==1)&&(p986==1))"))U("(p323==1)")))))))
Formula 0 simplified : X(XX!"(p695!=1)" R (XXF!"(p695!=1)" & (XX!"(p695!=1)" | ("((p442==1)&&(p986==1))" R !"(p323==1)"))))
Detected timeout of ITS tools.
[2026-05-24 12:57:53] [INFO ] Flatten gal took : 27 ms
[2026-05-24 12:57:53] [INFO ] Applying decomposition
[2026-05-24 12:57:53] [INFO ] Flatten gal took : 26 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17727471915167303426.txt' '-o' '/tmp/graph17727471915167303426.bin' '-w' '/tmp/graph17727471915167303426.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17727471915167303426.bin' '-l' '-1' '-v' '-w' '/tmp/graph17727471915167303426.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:57:53] [INFO ] Decomposing Gal with order
[2026-05-24 12:57:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:57:53] [INFO ] Removed a total of 1014 redundant transitions.
[2026-05-24 12:57:55] [INFO ] Flatten gal took : 1829 ms
[2026-05-24 12:57:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 93 labels/synchronizations in 30 ms.
[2026-05-24 12:57:55] [INFO ] Time to serialize gal into /tmp/LTL14170950404380079054.gal : 14 ms
[2026-05-24 12:57:55] [INFO ] Time to serialize properties into /tmp/LTL5826370728513139461.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL14170950404380079054.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5826370728513139461.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...255
Read 1 LTL properties
Checking formula 0 : !((X((X(X("(i9.u154.p695!=1)")))U((X(X(G("(i9.u154.p695!=1)"))))||((X(X("(i9.u154.p695!=1)")))&&((!("((i5.u85.p442==1)&&(i5.u239.p986=...189
Formula 0 simplified : X(XX!"(i9.u154.p695!=1)" R (XXF!"(i9.u154.p695!=1)" & (XX!"(i9.u154.p695!=1)" | ("((i5.u85.p442==1)&&(i5.u239.p986==1))" R !"(i3.u61...169
Detected timeout of ITS tools.
Treatment of property DLCround-PT-03b-LTLFireability-13 finished in 116588 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(G((p0&&X(p1))))))'
Support contains 3 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 829 transition count 1301
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 829 transition count 1301
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 32 place count 823 transition count 1293
Iterating global reduction 0 with 6 rules applied. Total rules applied 38 place count 823 transition count 1293
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 41 place count 820 transition count 1290
Iterating global reduction 0 with 3 rules applied. Total rules applied 44 place count 820 transition count 1290
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 46 place count 820 transition count 1288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 47 place count 819 transition count 1287
Iterating global reduction 1 with 1 rules applied. Total rules applied 48 place count 819 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 818 transition count 1286
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Applied a total of 52 rules in 132 ms. Remains 817 /842 variables (removed 25) and now considering 1285/1314 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15048119213875450365.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8535714104260012274.kers'
[2026-05-24 12:58:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15048119213875450365.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8535714104260012274.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1285 rows 817 cols 3549 entries
Finished phase 1 with 765 SingleSign rule and 0 generalized
[2026-05-24 12:58:10] [INFO ] Computed 52 invariants in 5 ms
Computed 52 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-8535714104260012274.kers
Total runtime 8 ms.
[2026-05-24 12:58:11] [INFO ] Implicit Places using invariants in 401 ms returned []
[2026-05-24 12:58:11] [INFO ] Invariant cache hit.
[2026-05-24 12:58:11] [INFO ] Implicit Places using invariants and state equation in 596 ms returned []
Implicit Place search using SMT with State Equation took 998 ms to find 0 implicit places.
Running 1284 sub problems to find dead transitions.
[2026-05-24 12:58:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/816 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1284 unsolved
SMT process timed out in 30208ms, After SMT, problems are : Problem set: 0 solved, 1284 unsolved
Search for dead transitions found 0 dead transitions in 30211ms
Starting structural reductions in LTL mode, iteration 1 : 817/842 places, 1285/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31348 ms. Remains : 817/842 places, 1285/1314 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(G((X(p0)&&p1)))))'
Stuttering acceptance computed with spot in 177 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-14
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DLCround-PT-03b-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-14 finished in 31563 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(p0) U X(G(!p1))))'
Support contains 3 out of 842 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 842/842 places, 1314/1314 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 829 transition count 1301
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 829 transition count 1301
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 33 place count 822 transition count 1292
Iterating global reduction 0 with 7 rules applied. Total rules applied 40 place count 822 transition count 1292
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 43 place count 819 transition count 1289
Iterating global reduction 0 with 3 rules applied. Total rules applied 46 place count 819 transition count 1289
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 48 place count 819 transition count 1287
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 49 place count 818 transition count 1286
Iterating global reduction 1 with 1 rules applied. Total rules applied 50 place count 818 transition count 1286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 817 transition count 1285
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 817 transition count 1285
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 53 place count 816 transition count 1284
Iterating global reduction 1 with 1 rules applied. Total rules applied 54 place count 816 transition count 1284
Applied a total of 54 rules in 100 ms. Remains 816 /842 variables (removed 26) and now considering 1284/1314 (removed 30) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12689287591423432808.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2499874310392180336.kers'
[2026-05-24 12:58:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12689287591423432808.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2499874310392180336.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 1284 rows 816 cols 3547 entries
Finished phase 1 with 764 SingleSign rule and 0 generalized
[2026-05-24 12:58:42] [INFO ] Computed 52 invariants in 9 ms
Computed 52 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-2499874310392180336.kers
Total runtime 12 ms.
[2026-05-24 12:58:42] [INFO ] Implicit Places using invariants in 248 ms returned []
[2026-05-24 12:58:42] [INFO ] Invariant cache hit.
[2026-05-24 12:58:42] [INFO ] Implicit Places using invariants and state equation in 539 ms returned []
Implicit Place search using SMT with State Equation took 794 ms to find 0 implicit places.
Running 1283 sub problems to find dead transitions.
[2026-05-24 12:58:42] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/815 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1283 unsolved
SMT process timed out in 30196ms, After SMT, problems are : Problem set: 0 solved, 1283 unsolved
Search for dead transitions found 0 dead transitions in 30200ms
Starting structural reductions in LTL mode, iteration 1 : 816/842 places, 1284/1314 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 31106 ms. Remains : 816/842 places, 1284/1314 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(p0) U X(G(!p1))))'
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p0) p1), p1, (NOT p0)]
Running random walk in product with property : DLCround-PT-03b-LTLFireability-15
Product exploration explored 100000 steps with 33305 reset in 248 ms.
Product exploration explored 100000 steps with 33301 reset in 223 ms.
Computed a total of 99 stabilizing places and 99 stable transitions
Computed a total of 99 stabilizing places and 99 stable transitions
Knowledge based reduction with 7 factoid took 65 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 3 states, 5 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 153 ms. (259 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
[2026-05-24 12:59:13] [INFO ] Invariant cache hit.
Problem apf1 is UNSAT
After SMT solving in domain Real declared 3/2100 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 17 ms.
Refiners :[Positive P Invariants (semi-flows): 0/52 constraints, State Equation: 0/816 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge based reduction with 8 factoid took 81 ms. Reduced automaton from 3 states, 5 edges and 2 AP (stutter sensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 44 ms :[p1]
Knowledge-based reduction took 301 ms.
Stuttering acceptance computed with spot in 43 ms :[p1]
Support contains 2 out of 816 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 816/816 places, 1284/1284 transitions.
Graph (trivial) has 766 edges and 816 vertex of which 248 / 816 are part of one of the 20 SCC in 3 ms
Free SCC test removed 228 places
Ensure Unique test removed 248 transitions
Reduce isomorphic transitions removed 248 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 138 transitions
Trivial Post-agglo rules discarded 138 transitions
Performed 138 trivial Post agglomeration. Transition count delta: 138
Iterating post reduction 0 with 138 rules applied. Total rules applied 139 place count 587 transition count 897
Reduce places removed 138 places and 0 transitions.
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 1 with 162 rules applied. Total rules applied 301 place count 449 transition count 873
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 317 place count 433 transition count 873
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 56 Pre rules applied. Total rules applied 317 place count 433 transition count 817
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 429 place count 377 transition count 817
Discarding 31 places :
Symmetric choice reduction at 3 with 31 rule applications. Total rules 460 place count 346 transition count 684
Iterating global reduction 3 with 31 rules applied. Total rules applied 491 place count 346 transition count 684
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 495 place count 346 transition count 680
Performed 125 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 125 places in 0 ms
Reduce places removed 125 places and 0 transitions.
Iterating global reduction 4 with 250 rules applied. Total rules applied 745 place count 221 transition count 551
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 749 place count 221 transition count 547
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 761 place count 209 transition count 475
Iterating global reduction 5 with 12 rules applied. Total rules applied 773 place count 209 transition count 475
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 5 with 12 rules applied. Total rules applied 785 place count 209 transition count 463
Performed 16 Post agglomeration using F-continuation condition with reduction of 16 identical transitions.
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 6 with 32 rules applied. Total rules applied 817 place count 193 transition count 540
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 821 place count 189 transition count 502
Iterating global reduction 6 with 4 rules applied. Total rules applied 825 place count 189 transition count 502
Ensure Unique test removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 6 with 17 rules applied. Total rules applied 842 place count 189 transition count 485
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 7 with 20 rules applied. Total rules applied 862 place count 189 transition count 465
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 869 place count 182 transition count 451
Iterating global reduction 7 with 7 rules applied. Total rules applied 876 place count 182 transition count 451
Discarding 7 places :
Symmetric choice reduction at 7 with 7 rule applications. Total rules 883 place count 175 transition count 400
Iterating global reduction 7 with 7 rules applied. Total rules applied 890 place count 175 transition count 400
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 897 place count 175 transition count 393
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 8 with 1 rules applied. Total rules applied 898 place count 174 transition count 392
Applied a total of 898 rules in 65 ms. Remains 174 /816 variables (removed 642) and now considering 392/1284 (removed 892) transitions.
[2026-05-24 12:59:14] [INFO ] Flow matrix only has 375 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13000457914769199967.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5447664242592358063.kers'
[2026-05-24 12:59:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13000457914769199967.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5447664242592358063.kers]
Normalized transition count is 374 out of 375 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 374 rows 174 cols 1782 entries
Finished phase 1 with 122 SingleSign rule and 0 generalized
[2026-05-24 12:59:14] [INFO ] Computed 52 invariants in 1 ms
Computed 52 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-5447664242592358063.kers
Total runtime 3 ms.
[2026-05-24 12:59:14] [INFO ] Implicit Places using invariants in 89 ms returned []
[2026-05-24 12:59:14] [INFO ] Flow matrix only has 375 transitions (discarded 17 similar events)
[2026-05-24 12:59:14] [INFO ] Invariant cache hit.
[2026-05-24 12:59:14] [INFO ] State equation strengthened by 28 read => feed constraints.
[2026-05-24 12:59:14] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2026-05-24 12:59:14] [INFO ] Redundant transitions in 2 ms returned []
Running 343 sub problems to find dead transitions.
[2026-05-24 12:59:14] [INFO ] Flow matrix only has 375 transitions (discarded 17 similar events)
[2026-05-24 12:59:14] [INFO ] Invariant cache hit.
[2026-05-24 12:59:14] [INFO ] State equation strengthened by 28 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/173 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 2 (OVERLAPS) 1/174 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 4 (OVERLAPS) 374/548 variables, 174/226 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/548 variables, 28/254 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/548 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 7 (OVERLAPS) 0/548 variables, 0/254 constraints. Problems are: Problem set: 0 solved, 343 unsolved
No progress, stopping.
After SMT solving in domain Real declared 548/549 variables, and 254 constraints, problems are : Problem set: 0 solved, 343 unsolved in 16923 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 174/174 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 343/343 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 343 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/173 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/173 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 2 (OVERLAPS) 1/174 variables, 44/52 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/174 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 4 (OVERLAPS) 374/548 variables, 174/226 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/548 variables, 28/254 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/548 variables, 343/597 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/548 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 343 unsolved
At refinement iteration 8 (OVERLAPS) 0/548 variables, 0/597 constraints. Problems are: Problem set: 0 solved, 343 unsolved
No progress, stopping.
After SMT solving in domain Int declared 548/549 variables, and 597 constraints, problems are : Problem set: 0 solved, 343 unsolved in 23386 ms.
Refiners :[Positive P Invariants (semi-flows): 52/52 constraints, State Equation: 174/174 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 343/343 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40367ms problems are : Problem set: 0 solved, 343 unsolved
Search for dead transitions found 0 dead transitions in 40369ms
Starting structural reductions in SI_LTL mode, iteration 1 : 174/816 places, 392/1284 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40697 ms. Remains : 174/816 places, 392/1284 transitions.
Computed a total of 1 stabilizing places and 16 stable transitions
Computed a total of 1 stabilizing places and 16 stable transitions
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 1276 steps (1 resets) in 13 ms. (91 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 68 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 45 ms :[p1]
Knowledge-based reduction took 196 ms.
Stuttering acceptance computed with spot in 45 ms :[p1]
Stuttering acceptance computed with spot in 43 ms :[p1]
Stuttering criterion allowed to conclude after 590 steps with 0 reset in 7 ms.
FORMULA DLCround-PT-03b-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DLCround-PT-03b-LTLFireability-15 finished in 73118 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0)) U ((X(X(p0))&&(!p1 U p2))||X(X(G(p0)))))))'
Spot run failed in 50 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-24 12:59:55] [INFO ] Flatten gal took : 23 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin3954380845575037654
[2026-05-24 12:59:55] [INFO ] Applying decomposition
[2026-05-24 12:59:55] [INFO ] Computing symmetric may disable matrix : 1314 transitions.
[2026-05-24 12:59:55] [INFO ] Flatten gal took : 22 ms
[2026-05-24 12:59:55] [INFO ] Computation of Complete disable matrix. took 15 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 12:59:55] [INFO ] Computing symmetric may enable matrix : 1314 transitions.
[2026-05-24 12:59:55] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph8096167882471477692.txt' '-o' '/tmp/graph8096167882471477692.bin' '-w' '/tmp/graph8096167882471477692.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph8096167882471477692.bin' '-l' '-1' '-v' '-w' '/tmp/graph8096167882471477692.weights' '-q' '0' '-e' '0.001'
[2026-05-24 12:59:55] [INFO ] Decomposing Gal with order
[2026-05-24 12:59:55] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 12:59:55] [INFO ] Removed a total of 998 redundant transitions.
[2026-05-24 12:59:55] [INFO ] Flatten gal took : 50 ms
[2026-05-24 12:59:55] [INFO ] Fuse similar labels procedure discarded/fused a total of 72 labels/synchronizations in 13 ms.
[2026-05-24 12:59:55] [INFO ] Time to serialize gal into /tmp/LTLFireability18291118206525001444.gal : 9 ms
[2026-05-24 12:59:55] [INFO ] Time to serialize properties into /tmp/LTLFireability18274727981517829831.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability18291118206525001444.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability18274727981517829831.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...278
Read 1 LTL properties
Checking formula 0 : !((X((X(X("(i9.u163.p695!=1)")))U(((X(X("(i9.u163.p695!=1)")))&&((!("((i5.u91.p442==1)&&(i5.u247.p986==1))"))U("(i3.u66.p323==1)")))||...189
Formula 0 simplified : X(XX!"(i9.u163.p695!=1)" R (XXF!"(i9.u163.p695!=1)" & (XX!"(i9.u163.p695!=1)" | ("((i5.u91.p442==1)&&(i5.u247.p986==1))" R !"(i3.u66...169
[2026-05-24 12:59:55] [INFO ] Computing Do-Not-Accords matrix : 1314 transitions.
[2026-05-24 12:59:55] [INFO ] Computation of Completed DNA matrix. took 49 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 12:59:55] [INFO ] Built C files in 432ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3954380845575037654
Running compilation step : cd /tmp/ltsmin3954380845575037654;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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 4620 ms.
Running link step : cd /tmp/ltsmin3954380845575037654;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 75 ms.
Running LTSmin : cd /tmp/ltsmin3954380845575037654;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--ltl' 'X((X(X((LTLAPp0==true))) U ((X(X((LTLAPp0==true)))&&(!(LTLAPp1==true) U (LTLAPp2==true)))||X(X([]((LTLAPp0==true)))))))' '--buchi-type=spotba'
Detected timeout of ITS tools.
[2026-05-24 13:24:30] [INFO ] Applying decomposition
[2026-05-24 13:24:30] [INFO ] Flatten gal took : 255 ms
[2026-05-24 13:24:30] [INFO ] Decomposing Gal with order
[2026-05-24 13:24:30] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 13:24:31] [INFO ] Removed a total of 760 redundant transitions.
[2026-05-24 13:24:31] [INFO ] Flatten gal took : 224 ms
[2026-05-24 13:24:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 2197 labels/synchronizations in 765 ms.
[2026-05-24 13:24:32] [INFO ] Time to serialize gal into /tmp/LTLFireability12039627145796042584.gal : 36 ms
[2026-05-24 13:24:32] [INFO ] Time to serialize properties into /tmp/LTLFireability13000958651681637608.ltl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLFireability12039627145796042584.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLFireability13000958651681637608.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...278
Read 1 LTL properties
Checking formula 0 : !((X((X(X("(i0.i0.u14.p695!=1)")))U(((X(X("(i0.i0.u14.p695!=1)")))&&((!("((i0.i0.i0.i0.u12.p442==1)&&(i1.i0.i0.i0.i0.i0.i0.i0.i0.i0.i0...332
Formula 0 simplified : X(XX!"(i0.i0.u14.p695!=1)" R (XXF!"(i0.i0.u14.p695!=1)" & (XX!"(i0.i0.u14.p695!=1)" | ("((i0.i0.i0.i0.u12.p442==1)&&(i1.i0.i0.i0.i0....312

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="DLCround-PT-03b"
export BK_EXAMINATION="LTLFireability"
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 DLCround-PT-03b, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695600516"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-03b.tgz
mv DLCround-PT-03b execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;