About the Execution of ITS-Tools for FlexibleBarrier-PT-08a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 470.896 | 39818.00 | 64130.00 | 235.20 | FFTFFFFTFFTFFFFF | 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-177955809100340.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-08a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100340
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 7.5K Mar 7 06:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 7 06:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 06:14 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 3.7K Mar 15 10:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 06:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K Mar 7 06:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 06:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K Mar 7 06:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:11 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 64K 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-08a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-08a-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1779874204858
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-27 09:30:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 09:30:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 09:30:07] [INFO ] Load time of PNML (sax parser for PT used): 113 ms
[2026-05-27 09:30:07] [INFO ] Transformed 99 places.
[2026-05-27 09:30:07] [INFO ] Transformed 236 transitions.
[2026-05-27 09:30:07] [INFO ] Found NUPN structural information;
[2026-05-27 09:30:07] [INFO ] Parsed PT model containing 99 places and 236 transitions and 985 arcs in 269 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Ensure Unique test removed 50 transitions
Reduce redundant transitions removed 50 transitions.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 186/186 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 99 transition count 178
Applied a total of 8 rules in 33 ms. Remains 99 /99 variables (removed 0) and now considering 178/186 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5070909645972888965.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2276752790580742135.kers'
[2026-05-27 09:30:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5070909645972888965.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2276752790580742135.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:30:07] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2276752790580742135.kers
Total runtime 3 ms.
[2026-05-27 09:30:08] [INFO ] Implicit Places using invariants in 426 ms returned []
[2026-05-27 09:30:08] [INFO ] Invariant cache hit.
[2026-05-27 09:30:08] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-27 09:30:08] [INFO ] Implicit Places using invariants and state equation in 363 ms returned []
Implicit Place search using SMT with State Equation took 844 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2026-05-27 09:30:08] [INFO ] Invariant cache hit.
[2026-05-27 09:30:08] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 305 constraints, problems are : Problem set: 0 solved, 177 unsolved in 13832 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 177/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 277/277 variables, and 482 constraints, problems are : Problem set: 0 solved, 177 unsolved in 12046 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26043ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 26064ms
Starting structural reductions in LTL mode, iteration 1 : 99/99 places, 178/186 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 27018 ms. Remains : 99/99 places, 178/186 transitions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:30:34] [INFO ] Invariant cache hit.
[2026-05-27 09:30:34] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-27 09:30:34] [INFO ] Invariant cache hit.
[2026-05-27 09:30:34] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-27 09:30:34] [INFO ] Implicit Places using invariants and state equation in 283 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 398 ms. Remains : 99/99 places, 178/178 transitions.
Support contains 23 out of 99 places after structural reductions.
[2026-05-27 09:30:35] [INFO ] Flatten gal took : 76 ms
[2026-05-27 09:30:35] [INFO ] Flatten gal took : 35 ms
[2026-05-27 09:30:35] [INFO ] Input system was already deterministic with 178 transitions.
RANDOM walk for 2643 steps (0 resets) in 202 ms. (13 steps per ms) remains 0/22 properties
FORMULA FlexibleBarrier-PT-08a-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 3 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' '!(X((F(!(p0 U X(p1)))&&!(!p0 U G(p1)))))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:30:36] [INFO ] Invariant cache hit.
[2026-05-27 09:30:36] [INFO ] Implicit Places using invariants in 163 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 167 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 179 ms. Remains : 98/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(!(p0 U X(p1)))&&!(!p0 U G(p1)))))'
Stuttering acceptance computed with spot in 555 ms :[p1, p1, p1, p1, false, p1]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-00
Product exploration explored 100000 steps with 14445 reset in 818 ms.
Stack based approach found an accepted trace after 211 steps with 36 reset with depth 8 and stack size 8 in 7 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-00 finished in 1708 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 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 75 edges and 99 vertex of which 18 / 99 are part of one of the 6 SCC in 3 ms
Free SCC test removed 12 places
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 49 place count 63 transition count 132
Drop transitions (Redundant composition of simpler transitions.) removed 37 transitions
Redundant transition composition rules discarded 37 transitions
Iterating global reduction 0 with 37 rules applied. Total rules applied 86 place count 63 transition count 95
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 87 place count 63 transition count 95
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 88 place count 62 transition count 94
Iterating global reduction 0 with 1 rules applied. Total rules applied 89 place count 62 transition count 94
Applied a total of 89 rules in 72 ms. Remains 62 /99 variables (removed 37) and now considering 94/178 (removed 84) transitions.
[2026-05-27 09:30:37] [INFO ] Flow matrix only has 81 transitions (discarded 13 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8487258398576674122.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4501112689643951241.kers'
[2026-05-27 09:30:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8487258398576674122.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4501112689643951241.kers]
Normalized transition count is 80 out of 81 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 80 rows 60 cols 171 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-27 09:30:37] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4501112689643951241.kers
Total runtime 3 ms.
[2026-05-27 09:30:37] [INFO ] Implicit Places using invariants in 105 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 106 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/99 places, 94/178 transitions.
Graph (trivial) has 78 edges and 61 vertex of which 18 / 61 are part of one of the 6 SCC in 0 ms
Free SCC test removed 12 places
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 49 transition count 62
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 41 transition count 62
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 17 place count 41 transition count 54
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 33 place count 33 transition count 54
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 53 place count 23 transition count 44
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 2 with 8 rules applied. Total rules applied 61 place count 23 transition count 36
Applied a total of 61 rules in 16 ms. Remains 23 /61 variables (removed 38) and now considering 36/94 (removed 58) transitions.
[2026-05-27 09:30:37] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5197769934130993221.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14754819875033230589.kers'
[2026-05-27 09:30:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5197769934130993221.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14754819875033230589.kers]
Normalized transition count is 26 out of 27 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 26 rows 22 cols 63 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-27 09:30:37] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14754819875033230589.kers
Total runtime 1 ms.
[2026-05-27 09:30:37] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-27 09:30:37] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
[2026-05-27 09:30:37] [INFO ] Invariant cache hit.
[2026-05-27 09:30:38] [INFO ] State equation strengthened by 11 read => feed constraints.
[2026-05-27 09:30:38] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/99 places, 36/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 289 ms. Remains : 23/99 places, 36/178 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 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-01 finished in 433 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0)) U ((X(X(p0))&&G(p1))||X(X(G(p0))))))'
Support contains 4 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-5883357234230433743.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16503400085562529631.kers'
[2026-05-27 09:30:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5883357234230433743.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16503400085562529631.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:30:38] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16503400085562529631.kers
Total runtime 2 ms.
[2026-05-27 09:30:38] [INFO ] Implicit Places using invariants in 189 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 192 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 202 ms. Remains : 98/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(p0)) U (X(X(G(p0)))||(X(X(p0))&&G(p1)))))'
Stuttering acceptance computed with spot in 368 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), true, (AND (NOT p0) (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-04 finished in 638 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 3 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 6 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:30:38] [INFO ] Invariant cache hit.
[2026-05-27 09:30:38] [INFO ] Implicit Places using invariants in 169 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 170 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 7 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 183 ms. Remains : 98/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 163 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 141 steps with 0 reset in 3 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-05 finished in 380 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||(F(p0)&&F(p1)))))'
Support contains 1 out of 99 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 75 edges and 99 vertex of which 18 / 99 are part of one of the 6 SCC in 1 ms
Free SCC test removed 12 places
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 0 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 0 with 48 rules applied. Total rules applied 49 place count 63 transition count 127
Drop transitions (Redundant composition of simpler transitions.) removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 0 with 33 rules applied. Total rules applied 82 place count 63 transition count 94
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 82 place count 63 transition count 93
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 84 place count 62 transition count 93
Applied a total of 84 rules in 30 ms. Remains 62 /99 variables (removed 37) and now considering 93/178 (removed 85) transitions.
[2026-05-27 09:30:39] [INFO ] Flow matrix only has 80 transitions (discarded 13 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6806328047643662350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5498561811638688690.kers'
[2026-05-27 09:30:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6806328047643662350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5498561811638688690.kers]
Normalized transition count is 79 out of 80 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 79 rows 60 cols 167 entries
Finished phase 1 with 52 SingleSign rule and 0 generalized
[2026-05-27 09:30:39] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5498561811638688690.kers
Total runtime 1 ms.
[2026-05-27 09:30:39] [INFO ] Implicit Places using invariants in 171 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 172 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 61/99 places, 93/178 transitions.
Graph (trivial) has 77 edges and 61 vertex of which 18 / 61 are part of one of the 6 SCC in 0 ms
Free SCC test removed 12 places
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 49 transition count 61
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 17 place count 41 transition count 61
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 17 place count 41 transition count 53
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 33 place count 33 transition count 53
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 53 place count 23 transition count 43
Drop transitions (Redundant composition of simpler transitions.) removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 2 with 7 rules applied. Total rules applied 60 place count 23 transition count 36
Applied a total of 60 rules in 12 ms. Remains 23 /61 variables (removed 38) and now considering 36/93 (removed 57) transitions.
[2026-05-27 09:30:39] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-234595030439961530.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5395340320055767937.kers'
[2026-05-27 09:30:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-234595030439961530.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5395340320055767937.kers]
Normalized transition count is 26 out of 27 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 26 rows 22 cols 61 entries
Finished phase 1 with 14 SingleSign rule and 0 generalized
[2026-05-27 09:30:39] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5395340320055767937.kers
Total runtime 0 ms.
[2026-05-27 09:30:39] [INFO ] Implicit Places using invariants in 46 ms returned []
[2026-05-27 09:30:39] [INFO ] Flow matrix only has 27 transitions (discarded 9 similar events)
[2026-05-27 09:30:39] [INFO ] Invariant cache hit.
[2026-05-27 09:30:39] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-27 09:30:39] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 23/99 places, 36/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 333 ms. Remains : 23/99 places, 36/178 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||(F(p0)&&F(p1)))))'
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 336 ms.
Product exploration explored 100000 steps with 50000 reset in 295 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 18 ms. Proved property starting from automaton with 1 states, 1 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 25 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-07 finished in 1077 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&X(p1)) U X(((F(p2) U !p1)&&F(p3)))))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-8808792536083243942.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2938362342840933.kers'
[2026-05-27 09:30:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8808792536083243942.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2938362342840933.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:30:40] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-2938362342840933.kers
Total runtime 5 ms.
[2026-05-27 09:30:40] [INFO ] Implicit Places using invariants in 176 ms returned [97]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 178 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 183 ms. Remains : 98/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0&&X(p1)) U X(((F(p2) U !p1)&&F(p3)))))'
Stuttering acceptance computed with spot in 502 ms :[(OR (NOT p3) p1), (OR (NOT p3) p1), (OR (NOT p3) p1), (NOT p2), p1, (NOT p3), (AND (NOT p2) (NOT p3) (NOT p1)), p1, (AND (NOT p2) (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-08
Product exploration explored 100000 steps with 911 reset in 376 ms.
Stack based approach found an accepted trace after 16 steps with 0 reset with depth 17 and stack size 17 in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-08 finished in 1134 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0&&F(p0)&&X(X(X(p1))))))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:30:41] [INFO ] Invariant cache hit.
[2026-05-27 09:30:41] [INFO ] Implicit Places using invariants in 108 ms returned []
[2026-05-27 09:30:41] [INFO ] Invariant cache hit.
[2026-05-27 09:30:41] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-27 09:30:41] [INFO ] Implicit Places using invariants and state equation in 305 ms returned []
Implicit Place search using SMT with State Equation took 416 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 420 ms. Remains : 99/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(X(X(p1)))&&!p0)))'
Stuttering acceptance computed with spot in 317 ms :[true, true, true, (NOT p0), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-09
Product exploration explored 100000 steps with 5926 reset in 395 ms.
Stack based approach found an accepted trace after 51 steps with 1 reset with depth 41 and stack size 41 in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-09 finished in 1181 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:30:42] [INFO ] Invariant cache hit.
[2026-05-27 09:30:42] [INFO ] Implicit Places using invariants in 167 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 168 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 174 ms. Remains : 98/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))&&F(p1)))'
Stuttering acceptance computed with spot in 139 ms :[(OR (NOT p1) (NOT p0)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 536 ms.
Product exploration explored 100000 steps with 50000 reset in 338 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 3 factoid took 11 ms. Proved property starting from automaton with 3 states, 4 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 14 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-10 finished in 1247 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 99 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 77 edges and 99 vertex of which 21 / 99 are part of one of the 7 SCC in 1 ms
Free SCC test removed 14 places
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 46 rules applied. Total rules applied 47 place count 62 transition count 126
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 0 with 34 rules applied. Total rules applied 81 place count 62 transition count 92
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 82 place count 62 transition count 91
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 83 place count 61 transition count 91
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 84 place count 61 transition count 91
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 85 place count 60 transition count 90
Iterating global reduction 2 with 1 rules applied. Total rules applied 86 place count 60 transition count 90
Applied a total of 86 rules in 24 ms. Remains 60 /99 variables (removed 39) and now considering 90/178 (removed 88) transitions.
[2026-05-27 09:30:43] [INFO ] Flow matrix only has 76 transitions (discarded 14 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2968987610005770841.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17341954943502995458.kers'
[2026-05-27 09:30:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2968987610005770841.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17341954943502995458.kers]
Normalized transition count is 75 out of 76 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 75 rows 58 cols 157 entries
Finished phase 1 with 50 SingleSign rule and 0 generalized
[2026-05-27 09:30:43] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17341954943502995458.kers
Total runtime 1 ms.
[2026-05-27 09:30:43] [INFO ] Implicit Places using invariants in 92 ms returned [58, 59]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 94 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 58/99 places, 90/178 transitions.
Graph (trivial) has 86 edges and 58 vertex of which 52 / 58 are part of one of the 8 SCC in 0 ms
Free SCC test removed 44 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 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 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 17
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 13 transition count 17
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 10 place count 6 transition count 9
Iterating global reduction 2 with 7 rules applied. Total rules applied 17 place count 6 transition count 9
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 19 place count 6 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 20 place count 5 transition count 7
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 21 place count 5 transition count 6
Applied a total of 21 rules in 6 ms. Remains 5 /58 variables (removed 53) and now considering 6/90 (removed 84) transitions.
[2026-05-27 09:30:43] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16286975213620756951.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5197716070635119018.kers'
[2026-05-27 09:30:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16286975213620756951.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5197716070635119018.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 4 rows 4 cols 8 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-27 09:30:43] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5197716070635119018.kers
Total runtime 0 ms.
[2026-05-27 09:30:43] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-27 09:30:43] [INFO ] Flow matrix only has 5 transitions (discarded 1 similar events)
[2026-05-27 09:30:43] [INFO ] Invariant cache hit.
[2026-05-27 09:30:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 09:30:43] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 5/99 places, 6/178 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 174 ms. Remains : 5/99 places, 6/178 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 42 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-11
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-11 finished in 242 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(((X(X(X(p0))) U p1)&&X(X(p2))))))))'
Support contains 5 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-13759489012637176504.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14096759452043307902.kers'
[2026-05-27 09:30:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13759489012637176504.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14096759452043307902.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:30:44] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14096759452043307902.kers
Total runtime 2 ms.
[2026-05-27 09:30:44] [INFO ] Implicit Places using invariants in 117 ms returned [98]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 119 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 98/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 98 /98 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 125 ms. Remains : 98/99 places, 178/178 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(((X(X(X(p0))) U p1)&&X(X(p2))))))))'
Stuttering acceptance computed with spot in 398 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p2), (OR (NOT p0) (NOT p1)), (NOT p2), true, (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-08a-LTLFireability-14
Entered a terminal (fully accepting) state of product in 13 steps with 1 reset in 1 ms.
FORMULA FlexibleBarrier-PT-08a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-08a-LTLFireability-14 finished in 574 ms.
All properties solved by simple procedures.
Total runtime 37618 ms.
BK_STOP 1779874244676
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-08a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-08a, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100340"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08a.tgz
mv FlexibleBarrier-PT-08a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;
