About the Execution of ITS-Tools for FlexibleBarrier-PT-22a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 739.903 | 196819.00 | 253058.00 | 657.10 | TFTTFFFFFFFFFFFT | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809100451.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 FlexibleBarrier-PT-22a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100451
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 836K
-rw-r--r-- 1 mcc users 6.2K Mar 7 07:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 07:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 07:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 07:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 07:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 7 07:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 07:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 07:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:16 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 384K 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 FlexibleBarrier-PT-22a-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-22a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779932968580
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-22a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-28 01:49:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-28 01:49:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 01:49:31] [INFO ] Load time of PNML (sax parser for PT used): 294 ms
[2026-05-28 01:49:31] [INFO ] Transformed 267 places.
[2026-05-28 01:49:31] [INFO ] Transformed 1258 transitions.
[2026-05-28 01:49:31] [INFO ] Found NUPN structural information;
[2026-05-28 01:49:31] [INFO ] Parsed PT model containing 267 places and 1258 transitions and 6375 arcs in 504 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 442 transitions
Reduce redundant transitions removed 442 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 22 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 816/816 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 0 with 22 rules applied. Total rules applied 22 place count 267 transition count 794
Applied a total of 22 rules in 77 ms. Remains 267 /267 variables (removed 0) and now considering 794/816 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9354259213873488743.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3745677012678116663.kers'
[2026-05-28 01:49:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9354259213873488743.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3745677012678116663.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 1 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:49:31] [INFO ] Computed 24 invariants in 4 ms
Computed 24 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-3745677012678116663.kers
Total runtime 7 ms.
[2026-05-28 01:49:32] [INFO ] Implicit Places using invariants in 1295 ms returned [265, 266]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1363 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 265/267 places, 794/816 transitions.
Applied a total of 0 rules in 11 ms. Remains 265 /265 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1487 ms. Remains : 265/267 places, 794/816 transitions.
Starting structural reductions in LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Applied a total of 0 rules in 10 ms. Remains 265 /265 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-509809496809796072.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7312296985510909747.kers'
[2026-05-28 01:49:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-509809496809796072.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7312296985510909747.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:49:32] [INFO ] Computed 22 invariants in 3 ms
Computed 22 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-7312296985510909747.kers
Total runtime 4 ms.
[2026-05-28 01:49:33] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-28 01:49:33] [INFO ] Invariant cache hit.
[2026-05-28 01:49:33] [INFO ] Implicit Places using invariants and state equation in 394 ms returned []
Implicit Place search using SMT with State Equation took 553 ms to find 0 implicit places.
Running 793 sub problems to find dead transitions.
[2026-05-28 01:49:33] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 264/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/264 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/265 variables, 22/286 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 265/1059 variables, and 287 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30064 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/265 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 793 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 264/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/264 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/265 variables, 22/286 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 5 (OVERLAPS) 794/1059 variables, 265/552 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1059/1059 variables, and 1345 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30172 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 265/265 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61339ms problems are : Problem set: 0 solved, 793 unsolved
Search for dead transitions found 0 dead transitions in 61371ms
Finished structural reductions in LTL mode , in 1 iterations and 62003 ms. Remains : 265/265 places, 794/794 transitions.
Support contains 22 out of 265 places after structural reductions.
[2026-05-28 01:50:35] [INFO ] Flatten gal took : 173 ms
[2026-05-28 01:50:35] [INFO ] Flatten gal took : 105 ms
[2026-05-28 01:50:35] [INFO ] Input system was already deterministic with 794 transitions.
Reduction of identical properties reduced properties to check from 14 to 13
RANDOM walk for 40000 steps (8 resets) in 2270 ms. (17 steps per ms) remains 1/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 219 ms. (181 steps per ms) remains 1/1 properties
[2026-05-28 01:50:36] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp3 is UNSAT
After SMT solving in domain Real declared 37/1059 variables, and 7 constraints, problems are : Problem set: 1 solved, 0 unsolved in 48 ms.
Refiners :[Domain max(s): 4/265 constraints, Positive P Invariants (semi-flows): 3/22 constraints, State Equation: 0/265 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 7 simplifications.
Computed a total of 1 stabilizing places and 1 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' '!(F(p0))'
Support contains 2 out of 265 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Graph (trivial) has 346 edges and 265 vertex of which 253 / 265 are part of one of the 25 SCC in 4 ms
Free SCC test removed 228 places
Ensure Unique test removed 498 transitions
Reduce isomorphic transitions removed 498 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 37 transition count 293
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 34 transition count 293
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 8 place count 33 transition count 291
Iterating global reduction 2 with 1 rules applied. Total rules applied 9 place count 33 transition count 291
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 11 place count 33 transition count 289
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 12 place count 32 transition count 289
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 14 place count 31 transition count 288
Drop transitions (Redundant composition of simpler transitions.) removed 251 transitions
Redundant transition composition rules discarded 251 transitions
Iterating global reduction 4 with 251 rules applied. Total rules applied 265 place count 31 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 266 place count 31 transition count 36
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 267 place count 30 transition count 36
Discarding 19 places :
Symmetric choice reduction at 6 with 19 rule applications. Total rules 286 place count 11 transition count 17
Iterating global reduction 6 with 19 rules applied. Total rules applied 305 place count 11 transition count 17
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 306 place count 11 transition count 17
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 307 place count 10 transition count 16
Iterating global reduction 6 with 1 rules applied. Total rules applied 308 place count 10 transition count 16
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 309 place count 10 transition count 15
Applied a total of 309 rules in 60 ms. Remains 10 /265 variables (removed 255) and now considering 15/794 (removed 779) transitions.
[2026-05-28 01:50:36] [INFO ] Flow matrix only has 11 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1279329784752135034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-121011847427938418.kers'
[2026-05-28 01:50:36] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1279329784752135034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-121011847427938418.kers]
Normalized transition count is 10 out of 11 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 10 rows 9 cols 21 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-28 01:50:36] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-121011847427938418.kers
Total runtime 0 ms.
[2026-05-28 01:50:36] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-28 01:50:36] [INFO ] Flow matrix only has 11 transitions (discarded 4 similar events)
[2026-05-28 01:50:36] [INFO ] Invariant cache hit.
[2026-05-28 01:50:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-28 01:50:36] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-28 01:50:36] [INFO ] Redundant transitions in 0 ms returned []
Running 14 sub problems to find dead transitions.
[2026-05-28 01:50:37] [INFO ] Flow matrix only has 11 transitions (discarded 4 similar events)
[2026-05-28 01:50:37] [INFO ] Invariant cache hit.
[2026-05-28 01:50:37] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 10/20 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 1/21 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 0/21 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 21/21 variables, and 14 constraints, problems are : Problem set: 0 solved, 14 unsolved in 301 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 10/20 variables, 10/13 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/20 variables, 14/27 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/20 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 1/21 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (OVERLAPS) 0/21 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 21/21 variables, and 28 constraints, problems are : Problem set: 0 solved, 14 unsolved in 275 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 10/10 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 583ms problems are : Problem set: 0 solved, 14 unsolved
Search for dead transitions found 0 dead transitions in 584ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/265 places, 15/794 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 711 ms. Remains : 10/265 places, 15/794 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))'
Stuttering acceptance computed with spot in 286 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-05
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 4 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-05 finished in 1108 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((F(p1)&&p0))))'
Support contains 3 out of 265 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Applied a total of 0 rules in 21 ms. Remains 265 /265 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16857104946902164101.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13452944780921172279.kers'
[2026-05-28 01:50:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16857104946902164101.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13452944780921172279.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:50:37] [INFO ] Computed 22 invariants in 4 ms
Computed 22 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-13452944780921172279.kers
Total runtime 6 ms.
[2026-05-28 01:50:38] [INFO ] Implicit Places using invariants in 154 ms returned []
[2026-05-28 01:50:38] [INFO ] Invariant cache hit.
[2026-05-28 01:50:38] [INFO ] Implicit Places using invariants and state equation in 498 ms returned []
Implicit Place search using SMT with State Equation took 654 ms to find 0 implicit places.
Running 793 sub problems to find dead transitions.
[2026-05-28 01:50:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 264/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/264 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/265 variables, 22/286 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 265/1059 variables, and 287 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30041 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/265 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 793 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 264/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/264 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/265 variables, 22/286 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 5 (OVERLAPS) 794/1059 variables, 265/552 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1059 variables, 793/1345 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1059/1059 variables, and 1345 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30042 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 265/265 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60779ms problems are : Problem set: 0 solved, 793 unsolved
Search for dead transitions found 0 dead transitions in 60786ms
Finished structural reductions in LTL mode , in 1 iterations and 61472 ms. Remains : 265/265 places, 794/794 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((F(p1)&&p0))))'
Stuttering acceptance computed with spot in 198 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-07
Product exploration explored 100000 steps with 78 reset in 1045 ms.
Stack based approach found an accepted trace after 16 steps with 0 reset with depth 17 and stack size 17 in 1 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-07 finished in 62774 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((G(X(G(p0))) U !(p0 U p1))))'
Support contains 4 out of 265 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Applied a total of 0 rules in 6 ms. Remains 265 /265 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:51:40] [INFO ] Invariant cache hit.
[2026-05-28 01:51:40] [INFO ] Implicit Places using invariants in 123 ms returned []
[2026-05-28 01:51:40] [INFO ] Invariant cache hit.
[2026-05-28 01:51:41] [INFO ] Implicit Places using invariants and state equation in 299 ms returned []
Implicit Place search using SMT with State Equation took 425 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 432 ms. Remains : 265/265 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(X(G(p0))) U !(p0 U p1))))'
Stuttering acceptance computed with spot in 237 ms :[p1, p1, (NOT p0), (AND (NOT p0) p1), true]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-08
Product exploration explored 100000 steps with 24995 reset in 1448 ms.
Stack based approach found an accepted trace after 2176 steps with 555 reset with depth 5 and stack size 5 in 32 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-08 finished in 2189 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 265 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Graph (trivial) has 346 edges and 265 vertex of which 260 / 265 are part of one of the 22 SCC in 1 ms
Free SCC test removed 238 places
Ensure Unique test removed 532 transitions
Reduce isomorphic transitions removed 532 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 249 transitions
Reduce isomorphic transitions removed 249 transitions.
Iterating post reduction 0 with 269 rules applied. Total rules applied 270 place count 6 transition count 12
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 1 with 5 rules applied. Total rules applied 275 place count 6 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 1 rules applied. Total rules applied 276 place count 6 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 277 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 277 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 279 place count 4 transition count 5
Applied a total of 279 rules in 9 ms. Remains 4 /265 variables (removed 261) and now considering 5/794 (removed 789) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9423566029369322217.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8614302115713800240.kers'
[2026-05-28 01:51:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9423566029369322217.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8614302115713800240.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-28 01:51:42] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8614302115713800240.kers
Total runtime 0 ms.
[2026-05-28 01:51:42] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-28 01:51:42] [INFO ] Invariant cache hit.
[2026-05-28 01:51:42] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2026-05-28 01:51:42] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-28 01:51:42] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/4 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4/8 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/8 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 10 constraints, problems are : Problem set: 0 solved, 2 unsolved in 52 ms.
Refiners :[Domain max(s): 4/4 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 2/4 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4/8 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 12 constraints, problems are : Problem set: 0 solved, 2 unsolved in 59 ms.
Refiners :[Domain max(s): 4/4 constraints, Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 113ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 114ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/265 places, 5/794 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 194 ms. Remains : 4/265 places, 5/794 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 98 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-09 finished in 333 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 3 out of 265 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Graph (trivial) has 345 edges and 265 vertex of which 252 / 265 are part of one of the 26 SCC in 2 ms
Free SCC test removed 226 places
Ensure Unique test removed 514 transitions
Reduce isomorphic transitions removed 514 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 246 transitions
Reduce isomorphic transitions removed 246 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 268 rules applied. Total rules applied 269 place count 19 transition count 30
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 272 place count 16 transition count 30
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 274 place count 14 transition count 26
Iterating global reduction 2 with 2 rules applied. Total rules applied 276 place count 14 transition count 26
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 4 rules applied. Total rules applied 280 place count 14 transition count 22
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 283 place count 12 transition count 21
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 284 place count 11 transition count 21
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 286 place count 10 transition count 20
Drop transitions (Redundant composition of simpler transitions.) removed 9 transitions
Redundant transition composition rules discarded 9 transitions
Iterating global reduction 5 with 9 rules applied. Total rules applied 295 place count 10 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 5 with 2 rules applied. Total rules applied 297 place count 10 transition count 9
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 299 place count 8 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 299 place count 8 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 303 place count 6 transition count 7
Applied a total of 303 rules in 15 ms. Remains 6 /265 variables (removed 259) and now considering 7/794 (removed 787) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-36445855807817989.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13688718041773908091.kers'
[2026-05-28 01:51:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-36445855807817989.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13688718041773908091.kers]
Normalized transition count is 6 out of 7 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 6 rows 3 cols 6 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-28 01:51:43] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13688718041773908091.kers
Total runtime 0 ms.
[2026-05-28 01:51:43] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-28 01:51:43] [INFO ] Invariant cache hit.
[2026-05-28 01:51:43] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2026-05-28 01:51:43] [INFO ] Redundant transitions in 1 ms returned []
Running 3 sub problems to find dead transitions.
[2026-05-28 01:51:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/12 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/12 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/13 variables, and 9 constraints, problems are : Problem set: 0 solved, 3 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/12 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 3/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/13 variables, and 12 constraints, problems are : Problem set: 0 solved, 3 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 169ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 169ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/265 places, 7/794 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 256 ms. Remains : 6/265 places, 7/794 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||G(p1)))))'
Stuttering acceptance computed with spot in 106 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-11
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-11 finished in 402 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 3 out of 265 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Graph (trivial) has 343 edges and 265 vertex of which 252 / 265 are part of one of the 24 SCC in 2 ms
Free SCC test removed 228 places
Ensure Unique test removed 518 transitions
Reduce isomorphic transitions removed 518 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 19 places and 0 transitions.
Ensure Unique test removed 246 transitions
Reduce isomorphic transitions removed 246 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 268 rules applied. Total rules applied 269 place count 17 transition count 26
Reduce places removed 3 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 5 rules applied. Total rules applied 274 place count 14 transition count 24
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 276 place count 12 transition count 24
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 278 place count 11 transition count 23
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 3 with 10 rules applied. Total rules applied 288 place count 11 transition count 13
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 289 place count 11 transition count 12
Reduce places removed 1 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 3 rules applied. Total rules applied 292 place count 10 transition count 10
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 294 place count 8 transition count 10
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 295 place count 7 transition count 9
Iterating global reduction 6 with 1 rules applied. Total rules applied 296 place count 7 transition count 9
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 297 place count 7 transition count 8
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 297 place count 7 transition count 7
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 299 place count 6 transition count 7
Applied a total of 299 rules in 15 ms. Remains 6 /265 variables (removed 259) and now considering 7/794 (removed 787) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18444097934859745970.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11511080739548949332.kers'
[2026-05-28 01:51:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18444097934859745970.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11511080739548949332.kers]
Normalized transition count is 6 out of 7 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 6 rows 3 cols 6 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-28 01:51:43] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11511080739548949332.kers
Total runtime 0 ms.
[2026-05-28 01:51:43] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-28 01:51:43] [INFO ] Invariant cache hit.
[2026-05-28 01:51:43] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2026-05-28 01:51:43] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/265 places, 7/794 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 88 ms. Remains : 6/265 places, 7/794 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 105 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-12
Stuttering criterion allowed to conclude after 20 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-12 finished in 228 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) U X((p1&&X(p2)))))'
Support contains 4 out of 265 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 265/265 places, 794/794 transitions.
Applied a total of 0 rules in 7 ms. Remains 265 /265 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11134846137601332384.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16137168476167942866.kers'
[2026-05-28 01:51:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11134846137601332384.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16137168476167942866.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:51:43] [INFO ] Computed 22 invariants in 5 ms
Computed 22 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-16137168476167942866.kers
Total runtime 6 ms.
[2026-05-28 01:51:44] [INFO ] Implicit Places using invariants in 152 ms returned []
[2026-05-28 01:51:44] [INFO ] Invariant cache hit.
[2026-05-28 01:51:44] [INFO ] Implicit Places using invariants and state equation in 414 ms returned []
Implicit Place search using SMT with State Equation took 569 ms to find 0 implicit places.
Running 793 sub problems to find dead transitions.
[2026-05-28 01:51:44] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 264/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/264 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/265 variables, 22/286 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 265/1059 variables, and 287 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30035 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 0/265 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 793 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/264 variables, 264/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/264 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/265 variables, 22/286 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/265 variables, 1/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/265 variables, 0/287 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 5 (OVERLAPS) 794/1059 variables, 265/552 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1059/1059 variables, and 1345 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30166 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 265/265 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60508ms problems are : Problem set: 0 solved, 793 unsolved
Search for dead transitions found 0 dead transitions in 60512ms
Finished structural reductions in LTL mode , in 1 iterations and 61099 ms. Remains : 265/265 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G(!p0) U X((p1&&X(p2)))))'
Stuttering acceptance computed with spot in 324 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p2), p0, (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLCardinality-13 finished in 61489 ms.
All properties solved by simple procedures.
Total runtime 194645 ms.
BK_STOP 1779933165399
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-22a"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-22a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100451"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22a.tgz
mv FlexibleBarrier-PT-22a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;