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-177955809100419.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)
....................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-18a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100419
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K Mar 7 06:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 7 06:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 06:40 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 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 10:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.5K Mar 7 06:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 7 06:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 06:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 06:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 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 265K 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-18a-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-18a-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779915791002

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-18a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 21:03:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 21:03:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 21:03:14] [INFO ] Load time of PNML (sax parser for PT used): 279 ms
[2026-05-27 21:03:14] [INFO ] Transformed 219 places.
[2026-05-27 21:03:14] [INFO ] Transformed 886 transitions.
[2026-05-27 21:03:14] [INFO ] Found NUPN structural information;
[2026-05-27 21:03:14] [INFO ] Parsed PT model containing 219 places and 886 transitions and 4355 arcs in 526 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 290 transitions
Reduce redundant transitions removed 290 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 219 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 219/219 places, 596/596 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 219 transition count 578
Applied a total of 18 rules in 112 ms. Remains 219 /219 variables (removed 0) and now considering 578/596 (removed 18) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15618786752052090218.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11563645445556653790.kers'
[2026-05-27 21:03:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15618786752052090218.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11563645445556653790.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:03:14] [INFO ] Computed 20 invariants in 4 ms
Computed 20 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-11563645445556653790.kers
Total runtime 7 ms.
[2026-05-27 21:03:15] [INFO ] Implicit Places using invariants in 824 ms returned [218]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 897 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 218/219 places, 578/596 transitions.
Applied a total of 0 rules in 27 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1068 ms. Remains : 218/219 places, 578/596 transitions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 11 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (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-15565399327787447564.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4659708449181368935.kers'
[2026-05-27 21:03:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15565399327787447564.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4659708449181368935.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:03:15] [INFO ] Computed 19 invariants in 4 ms
Computed 19 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-4659708449181368935.kers
Total runtime 5 ms.
[2026-05-27 21:03:15] [INFO ] Implicit Places using invariants in 244 ms returned []
[2026-05-27 21:03:15] [INFO ] Invariant cache hit.
[2026-05-27 21:03:16] [INFO ] State equation strengthened by 307 read => feed constraints.
[2026-05-27 21:03:16] [INFO ] Implicit Places using invariants and state equation in 662 ms returned []
Implicit Place search using SMT with State Equation took 909 ms to find 0 implicit places.
Running 577 sub problems to find dead transitions.
[2026-05-27 21:03:16] [INFO ] Invariant cache hit.
[2026-05-27 21:03:16] [INFO ] State equation strengthened by 307 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/217 variables, 217/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/217 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/218 variables, 19/236 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/796 variables, 218/455 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 6 (INCLUDED_ONLY) 0/796 variables, 307/762 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 796/796 variables, and 762 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30066 ms.
Refiners :[Domain max(s): 218/218 constraints, Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 218/218 constraints, ReadFeed: 307/307 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 577 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/217 variables, 217/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/217 variables, 0/217 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 2 (OVERLAPS) 1/218 variables, 19/236 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/218 variables, 1/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/218 variables, 0/237 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 5 (OVERLAPS) 578/796 variables, 218/455 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/796 variables, 307/762 constraints. Problems are: Problem set: 0 solved, 577 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/796 variables, 577/1339 constraints. Problems are: Problem set: 0 solved, 577 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 796/796 variables, and 1339 constraints, problems are : Problem set: 0 solved, 577 unsolved in 30048 ms.
Refiners :[Domain max(s): 218/218 constraints, Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 218/218 constraints, ReadFeed: 307/307 constraints, PredecessorRefiner: 577/577 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61076ms problems are : Problem set: 0 solved, 577 unsolved
Search for dead transitions found 0 dead transitions in 61118ms
Finished structural reductions in LTL mode , in 1 iterations and 62091 ms. Remains : 218/218 places, 578/578 transitions.
Support contains 28 out of 218 places after structural reductions.
[2026-05-27 21:04:18] [INFO ] Flatten gal took : 131 ms
[2026-05-27 21:04:18] [INFO ] Flatten gal took : 75 ms
[2026-05-27 21:04:18] [INFO ] Input system was already deterministic with 578 transitions.
RANDOM walk for 6519 steps (0 resets) in 519 ms. (12 steps per ms) remains 0/17 properties
Computed a total of 2 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(G(p0)))'
Support contains 2 out of 218 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Graph (trivial) has 264 edges and 218 vertex of which 132 / 218 are part of one of the 18 SCC in 6 ms
Free SCC test removed 114 places
Ensure Unique test removed 251 transitions
Reduce isomorphic transitions removed 251 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 104 transition count 307
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 84 transition count 307
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 41 place count 84 transition count 289
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 77 place count 66 transition count 289
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 117 place count 46 transition count 269
Drop transitions (Redundant composition of simpler transitions.) removed 198 transitions
Redundant transition composition rules discarded 198 transitions
Iterating global reduction 2 with 198 rules applied. Total rules applied 315 place count 46 transition count 71
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 319 place count 46 transition count 71
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 321 place count 44 transition count 69
Iterating global reduction 2 with 2 rules applied. Total rules applied 323 place count 44 transition count 69
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 325 place count 44 transition count 67
Applied a total of 325 rules in 78 ms. Remains 44 /218 variables (removed 174) and now considering 67/578 (removed 511) transitions.
[2026-05-27 21:04:18] [INFO ] Flow matrix only has 48 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4048049764017440653.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16360425529259615555.kers'
[2026-05-27 21:04:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4048049764017440653.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16360425529259615555.kers]
Normalized transition count is 47 out of 48 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 47 rows 43 cols 115 entries
Finished phase 1 with 25 SingleSign rule and 0 generalized
[2026-05-27 21:04:18] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-16360425529259615555.kers
Total runtime 1 ms.
[2026-05-27 21:04:19] [INFO ] Implicit Places using invariants in 72 ms returned [43]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 43/218 places, 67/578 transitions.
Graph (trivial) has 60 edges and 43 vertex of which 32 / 43 are part of one of the 16 SCC in 1 ms
Free SCC test removed 16 places
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Discarding 17 places :
Symmetric choice reduction at 0 with 17 rule applications. Total rules 18 place count 10 transition count 16
Iterating global reduction 0 with 17 rules applied. Total rules applied 35 place count 10 transition count 16
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 37 place count 10 transition count 14
Applied a total of 37 rules in 4 ms. Remains 10 /43 variables (removed 33) and now considering 14/67 (removed 53) transitions.
[2026-05-27 21:04:19] [INFO ] Flow matrix only has 12 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3464284813776009597.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7836485387919076934.kers'
[2026-05-27 21:04:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3464284813776009597.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7836485387919076934.kers]
Normalized transition count is 11 out of 12 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 11 rows 9 cols 27 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-27 21:04:19] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7836485387919076934.kers
Total runtime 0 ms.
[2026-05-27 21:04:19] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-27 21:04:19] [INFO ] Flow matrix only has 12 transitions (discarded 2 similar events)
[2026-05-27 21:04:19] [INFO ] Invariant cache hit.
[2026-05-27 21:04:19] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 21:04:19] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/218 places, 14/578 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 204 ms. Remains : 10/218 places, 14/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 213 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-00
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-00 finished in 549 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)))'
Support contains 3 out of 218 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 6 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (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-7176117404157521684.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11478390481429417002.kers'
[2026-05-27 21:04:19] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7176117404157521684.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11478390481429417002.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:04:19] [INFO ] Computed 19 invariants in 2 ms
Computed 19 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-11478390481429417002.kers
Total runtime 3 ms.
[2026-05-27 21:04:19] [INFO ] Implicit Places using invariants in 293 ms returned [217]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 296 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 217/218 places, 578/578 transitions.
Applied a total of 0 rules in 5 ms. Remains 217 /217 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 308 ms. Remains : 217/218 places, 578/578 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)))'
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-02
Product exploration explored 100000 steps with 33333 reset in 1202 ms.
Product exploration explored 100000 steps with 33333 reset in 923 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 15 ms. Proved property starting from automaton with 4 states, 4 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 27 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-02 finished in 2632 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 U (!p1 U p2))&&F(p3)))'
Support contains 7 out of 218 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Graph (trivial) has 251 edges and 218 vertex of which 116 / 218 are part of one of the 20 SCC in 1 ms
Free SCC test removed 96 places
Ensure Unique test removed 225 transitions
Reduce isomorphic transitions removed 225 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 149 edges and 120 vertex of which 83 / 120 are part of one of the 17 SCC in 1 ms
Free SCC test removed 66 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 54 transition count 346
Reduce places removed 17 places and 0 transitions.
Ensure Unique test removed 252 transitions
Reduce isomorphic transitions removed 252 transitions.
Graph (trivial) has 41 edges and 37 vertex of which 2 / 37 are part of one of the 1 SCC in 1 ms
Free SCC test removed 1 places
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 272 rules applied. Total rules applied 281 place count 36 transition count 92
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 289 place count 34 transition count 86
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 293 place count 30 transition count 78
Iterating global reduction 3 with 4 rules applied. Total rules applied 297 place count 30 transition count 78
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 3 with 9 rules applied. Total rules applied 306 place count 30 transition count 69
Reduce places removed 5 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 7 rules applied. Total rules applied 313 place count 25 transition count 67
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 315 place count 23 transition count 67
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 6 with 2 rules applied. Total rules applied 317 place count 22 transition count 66
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 318 place count 22 transition count 65
Drop transitions (Redundant composition of simpler transitions.) removed 42 transitions
Redundant transition composition rules discarded 42 transitions
Iterating global reduction 7 with 42 rules applied. Total rules applied 360 place count 22 transition count 23
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Iterating post reduction 7 with 7 rules applied. Total rules applied 367 place count 22 transition count 16
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 8 with 7 rules applied. Total rules applied 374 place count 15 transition count 16
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 1 Pre rules applied. Total rules applied 374 place count 15 transition count 15
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 376 place count 14 transition count 15
Applied a total of 376 rules in 18 ms. Remains 14 /218 variables (removed 204) and now considering 15/578 (removed 563) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6207851122746733676.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2113419730612680314.kers'
[2026-05-27 21:04:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6207851122746733676.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2113419730612680314.kers]
Normalized transition count is 14 out of 15 initially.
Culling duplicate invariants (modulo rational): removing 7 columns.
Culled 7 columns in 0 ms.
// Phase 1: matrix 14 rows 7 cols 14 entries
Finished phase 1 with 7 SingleSign rule and 0 generalized
[2026-05-27 21:04:22] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2113419730612680314.kers
Total runtime 0 ms.
[2026-05-27 21:04:22] [INFO ] Implicit Places using invariants in 26 ms returned []
[2026-05-27 21:04:22] [INFO ] Invariant cache hit.
[2026-05-27 21:04:22] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2026-05-27 21:04:22] [INFO ] Redundant transitions in 0 ms returned []
Running 7 sub problems to find dead transitions.
[2026-05-27 21:04:22] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 7/14 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 14/28 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 0/28 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 28/29 variables, and 21 constraints, problems are : Problem set: 0 solved, 7 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 7/14 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/14 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 14/28 variables, 14/21 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/28 variables, 7/28 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/28 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 28/29 variables, and 28 constraints, problems are : Problem set: 0 solved, 7 unsolved in 127 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 14/14 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 264ms problems are : Problem set: 0 solved, 7 unsolved
Search for dead transitions found 0 dead transitions in 264ms
Starting structural reductions in SI_LTL mode, iteration 1 : 14/218 places, 15/578 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 344 ms. Remains : 14/218 places, 15/578 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 U (!p1 U p2))&&F(p3)))'
Stuttering acceptance computed with spot in 251 ms :[(OR (NOT p2) (NOT p3)), true, (NOT p2), (NOT p3), (NOT p2)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-03 finished in 625 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)||G(p1))))'
Support contains 3 out of 218 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 11 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (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-2663354875505667027.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17846147391168153257.kers'
[2026-05-27 21:04:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2663354875505667027.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17846147391168153257.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:04:22] [INFO ] Computed 19 invariants in 3 ms
Computed 19 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-17846147391168153257.kers
Total runtime 4 ms.
[2026-05-27 21:04:23] [INFO ] Implicit Places using invariants in 337 ms returned [217]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 341 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 217/218 places, 578/578 transitions.
Applied a total of 0 rules in 9 ms. Remains 217 /217 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 362 ms. Remains : 217/218 places, 578/578 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)||G(p1))))'
Stuttering acceptance computed with spot in 213 ms :[true, (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-04
Product exploration explored 100000 steps with 33333 reset in 879 ms.
Product exploration explored 100000 steps with 33333 reset in 818 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 6 factoid took 12 ms. Proved property starting from automaton with 6 states, 9 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-04 finished in 2327 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(!p0))||(!p1&&F(!p0))||G((F(p3)||p2)))))'
Support contains 7 out of 218 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Graph (trivial) has 255 edges and 218 vertex of which 128 / 218 are part of one of the 18 SCC in 1 ms
Free SCC test removed 110 places
Ensure Unique test removed 260 transitions
Reduce isomorphic transitions removed 260 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 108 transition count 298
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 88 transition count 298
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 41 place count 88 transition count 282
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 73 place count 72 transition count 282
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 117 place count 50 transition count 260
Drop transitions (Redundant composition of simpler transitions.) removed 187 transitions
Redundant transition composition rules discarded 187 transitions
Iterating global reduction 2 with 187 rules applied. Total rules applied 304 place count 50 transition count 73
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 2 with 2 rules applied. Total rules applied 306 place count 49 transition count 72
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 307 place count 49 transition count 72
Applied a total of 307 rules in 33 ms. Remains 49 /218 variables (removed 169) and now considering 72/578 (removed 506) transitions.
[2026-05-27 21:04:25] [INFO ] Flow matrix only has 53 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11803577438888473421.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16292426846501338162.kers'
[2026-05-27 21:04:25] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11803577438888473421.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16292426846501338162.kers]
Normalized transition count is 52 out of 53 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 52 rows 48 cols 121 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-27 21:04:25] [INFO ] Computed 19 invariants in 0 ms
Computed 19 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16292426846501338162.kers
Total runtime 1 ms.
[2026-05-27 21:04:25] [INFO ] Implicit Places using invariants in 49 ms returned []
[2026-05-27 21:04:25] [INFO ] Flow matrix only has 53 transitions (discarded 19 similar events)
[2026-05-27 21:04:25] [INFO ] Invariant cache hit.
[2026-05-27 21:04:25] [INFO ] State equation strengthened by 19 read => feed constraints.
[2026-05-27 21:04:25] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
[2026-05-27 21:04:25] [INFO ] Redundant transitions in 1 ms returned []
Running 71 sub problems to find dead transitions.
[2026-05-27 21:04:25] [INFO ] Flow matrix only has 53 transitions (discarded 19 similar events)
[2026-05-27 21:04:25] [INFO ] Invariant cache hit.
[2026-05-27 21:04:25] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 2 (OVERLAPS) 1/49 variables, 19/67 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/49 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 5 (OVERLAPS) 52/101 variables, 49/117 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 18/135 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/101 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 8 (OVERLAPS) 1/102 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/102 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 10 (OVERLAPS) 0/102 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Real declared 102/102 variables, and 136 constraints, problems are : Problem set: 0 solved, 71 unsolved in 3525 ms.
Refiners :[Domain max(s): 49/49 constraints, Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 49/49 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 71/71 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 71 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 2 (OVERLAPS) 1/49 variables, 19/67 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 1/68 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/49 variables, 0/68 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 5 (OVERLAPS) 52/101 variables, 49/117 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 18/135 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/101 variables, 71/206 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/101 variables, 0/206 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 9 (OVERLAPS) 1/102 variables, 1/207 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/102 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 71 unsolved
At refinement iteration 11 (OVERLAPS) 0/102 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 71 unsolved
No progress, stopping.
After SMT solving in domain Int declared 102/102 variables, and 207 constraints, problems are : Problem set: 0 solved, 71 unsolved in 3254 ms.
Refiners :[Domain max(s): 49/49 constraints, Positive P Invariants (semi-flows): 19/19 constraints, State Equation: 49/49 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 71/71 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6789ms problems are : Problem set: 0 solved, 71 unsolved
Search for dead transitions found 0 dead transitions in 6789ms
Starting structural reductions in SI_LTL mode, iteration 1 : 49/218 places, 72/578 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 6971 ms. Remains : 49/218 places, 72/578 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(p0))||G((F(p2)||p1))||(F(p0)&&p3))))'
Stuttering acceptance computed with spot in 169 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-06 finished in 7184 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 1 out of 218 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Graph (trivial) has 268 edges and 218 vertex of which 144 / 218 are part of one of the 18 SCC in 1 ms
Free SCC test removed 126 places
Ensure Unique test removed 298 transitions
Reduce isomorphic transitions removed 298 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 123 edges and 90 vertex of which 85 / 90 are part of one of the 17 SCC in 0 ms
Free SCC test removed 68 places
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 22 transition count 278
Reduce places removed 18 places and 0 transitions.
Ensure Unique test removed 271 transitions
Reduce isomorphic transitions removed 271 transitions.
Iterating post reduction 1 with 289 rules applied. Total rules applied 293 place count 4 transition count 7
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 293 place count 4 transition count 6
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 295 place count 3 transition count 6
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 297 place count 3 transition count 4
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 297 place count 3 transition count 3
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 299 place count 2 transition count 3
Applied a total of 299 rules in 9 ms. Remains 2 /218 variables (removed 216) and now considering 3/578 (removed 575) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12492131072383197430.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5955953911668863903.kers'
[2026-05-27 21:04:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12492131072383197430.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5955953911668863903.kers]
Normalized transition count is 2 out of 3 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-27 21:04:32] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5955953911668863903.kers
Total runtime 1 ms.
[2026-05-27 21:04:32] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-27 21:04:32] [INFO ] Invariant cache hit.
[2026-05-27 21:04:32] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2026-05-27 21:04:32] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-27 21:04:32] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 5 constraints, problems are : Problem set: 0 solved, 1 unsolved in 55 ms.
Refiners :[Domain max(s): 2/2 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 1/2 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/4 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 6 constraints, problems are : Problem set: 0 solved, 1 unsolved in 41 ms.
Refiners :[Domain max(s): 2/2 constraints, Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 99ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 99ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/218 places, 3/578 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 179 ms. Remains : 2/218 places, 3/578 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 86 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-08
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-08 finished in 295 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 U X(p1))&&X(X(!p1))))'
Support contains 2 out of 218 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 5 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (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-10983164499283417605.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17710127199939881257.kers'
[2026-05-27 21:04:32] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10983164499283417605.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17710127199939881257.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 578 rows 217 cols 1751 entries
Finished phase 1 with 199 SingleSign rule and 0 generalized
[2026-05-27 21:04:32] [INFO ] Computed 19 invariants in 3 ms
Computed 19 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-17710127199939881257.kers
Total runtime 4 ms.
[2026-05-27 21:04:32] [INFO ] Implicit Places using invariants in 469 ms returned [217]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 474 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 217/218 places, 578/578 transitions.
Applied a total of 0 rules in 11 ms. Remains 217 /217 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 491 ms. Remains : 217/218 places, 578/578 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 U X(p1))&&X(X(!p1))))'
Stuttering acceptance computed with spot in 265 ms :[true, p1, (NOT p1), (NOT p1), p1, true]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-10 finished in 790 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(G(p1)))))))'
Support contains 3 out of 218 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 218/218 places, 578/578 transitions.
Applied a total of 0 rules in 4 ms. Remains 218 /218 variables (removed 0) and now considering 578/578 (removed 0) transitions.
[2026-05-27 21:04:33] [INFO ] Invariant cache hit.
[2026-05-27 21:04:33] [INFO ] Implicit Places using invariants in 391 ms returned [217]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 394 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 217/218 places, 578/578 transitions.
Applied a total of 0 rules in 5 ms. Remains 217 /217 variables (removed 0) and now considering 578/578 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 404 ms. Remains : 217/218 places, 578/578 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((p0&&F(G(p1)))))))'
Stuttering acceptance computed with spot in 256 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-18a-LTLCardinality-15
Product exploration explored 100000 steps with 0 reset in 448 ms.
Stack based approach found an accepted trace after 9879 steps with 1 reset with depth 9860 and stack size 9732 in 69 ms.
FORMULA FlexibleBarrier-PT-18a-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-18a-LTLCardinality-15 finished in 1221 ms.
All properties solved by simple procedures.
Total runtime 80929 ms.

BK_STOP 1779915874539

--------------------
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-18a"
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-18a, 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-177955809100419"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18a.tgz
mv FlexibleBarrier-PT-18a 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;