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-177955809100452.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FlexibleBarrier-PT-22a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 836K
-rw-r--r-- 1 mcc users 6.2K Mar 7 07:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Mar 7 07:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 07:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 7 07:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 07:25 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 7 07:25 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 07:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 07:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 384K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-22a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779933012892

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-22a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-28 01:50:15] [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]
[2026-05-28 01:50:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 01:50:16] [INFO ] Load time of PNML (sax parser for PT used): 320 ms
[2026-05-28 01:50:16] [INFO ] Transformed 267 places.
[2026-05-28 01:50:16] [INFO ] Transformed 1258 transitions.
[2026-05-28 01:50:16] [INFO ] Found NUPN structural information;
[2026-05-28 01:50:16] [INFO ] Parsed PT model containing 267 places and 1258 transitions and 6375 arcs in 585 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 442 transitions
Reduce redundant transitions removed 442 transitions.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-22a-LTLFireability-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 36 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 816/816 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 0 with 22 rules applied. Total rules applied 22 place count 267 transition count 794
Applied a total of 22 rules in 132 ms. Remains 267 /267 variables (removed 0) and now considering 794/816 (removed 22) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8996320559893094739.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12816781809289736375.kers'
[2026-05-28 01:50:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8996320559893094739.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12816781809289736375.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:50:16] [INFO ] Computed 24 invariants in 5 ms
Computed 24 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-12816781809289736375.kers
Total runtime 9 ms.
[2026-05-28 01:50:17] [INFO ] Implicit Places using invariants in 818 ms returned []
[2026-05-28 01:50:17] [INFO ] Invariant cache hit.
[2026-05-28 01:50:18] [INFO ] State equation strengthened by 573 read => feed constraints.
[2026-05-28 01:50:18] [INFO ] Implicit Places using invariants and state equation in 1396 ms returned []
Implicit Place search using SMT with State Equation took 2284 ms to find 0 implicit places.
Running 793 sub problems to find dead transitions.
[2026-05-28 01:50:19] [INFO ] Invariant cache hit.
[2026-05-28 01:50:19] [INFO ] State equation strengthened by 573 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 266/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/267 variables, 24/290 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 267/1061 variables, and 291 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30064 ms.
Refiners :[Domain max(s): 267/267 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/267 constraints, ReadFeed: 0/573 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 793 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 266/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/267 variables, 24/290 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 5 (OVERLAPS) 794/1061 variables, 267/558 constraints. Problems are: Problem set: 0 solved, 793 unsolved
SMT process timed out in 61387ms, After SMT, problems are : Problem set: 0 solved, 793 unsolved
Search for dead transitions found 0 dead transitions in 61439ms
Starting structural reductions in LTL mode, iteration 1 : 267/267 places, 794/816 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 63940 ms. Remains : 267/267 places, 794/816 transitions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 14 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:51:20] [INFO ] Invariant cache hit.
[2026-05-28 01:51:20] [INFO ] Implicit Places using invariants in 289 ms returned []
[2026-05-28 01:51:20] [INFO ] Invariant cache hit.
[2026-05-28 01:51:21] [INFO ] State equation strengthened by 573 read => feed constraints.
[2026-05-28 01:51:21] [INFO ] Implicit Places using invariants and state equation in 1251 ms returned []
Implicit Place search using SMT with State Equation took 1544 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 1563 ms. Remains : 267/267 places, 794/794 transitions.
Support contains 36 out of 267 places after structural reductions.
[2026-05-28 01:51:22] [INFO ] Flatten gal took : 170 ms
[2026-05-28 01:51:22] [INFO ] Flatten gal took : 103 ms
[2026-05-28 01:51:22] [INFO ] Input system was already deterministic with 794 transitions.
Reduction of identical properties reduced properties to check from 30 to 28
RANDOM walk for 7289 steps (0 resets) in 927 ms. (7 steps per ms) remains 0/28 properties
FORMULA FlexibleBarrier-PT-22a-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA FlexibleBarrier-PT-22a-LTLFireability-02 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' '!(G((F(p0)||X(X((p1&&X(F(p2))))))))'
Support contains 7 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 9 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:51:23] [INFO ] Invariant cache hit.
[2026-05-28 01:51:24] [INFO ] Implicit Places using invariants in 345 ms returned [266]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 358 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 266/267 places, 794/794 transitions.
Applied a total of 0 rules in 13 ms. Remains 266 /266 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 382 ms. Remains : 266/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)||X(X((p1&&X(F(p2))))))))'
Stuttering acceptance computed with spot in 526 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-00
Product exploration explored 100000 steps with 6036 reset in 2071 ms.
Stack based approach found an accepted trace after 20 steps with 2 reset with depth 8 and stack size 8 in 1 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-00 finished in 3149 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 3 out of 267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Graph (trivial) has 215 edges and 267 vertex of which 60 / 267 are part of one of the 20 SCC in 4 ms
Free SCC test removed 40 places
Ensure Unique test removed 211 transitions
Reduce isomorphic transitions removed 211 transitions.
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 1 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 0 with 132 rules applied. Total rules applied 133 place count 161 transition count 517
Drop transitions (Redundant composition of simpler transitions.) removed 268 transitions
Redundant transition composition rules discarded 268 transitions
Iterating global reduction 0 with 268 rules applied. Total rules applied 401 place count 161 transition count 249
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 402 place count 161 transition count 249
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 403 place count 160 transition count 248
Iterating global reduction 0 with 1 rules applied. Total rules applied 404 place count 160 transition count 248
Applied a total of 404 rules in 116 ms. Remains 160 /267 variables (removed 107) and now considering 248/794 (removed 546) transitions.
[2026-05-28 01:51:26] [INFO ] Flow matrix only has 207 transitions (discarded 41 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6186052820995838402.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15697783931946348631.kers'
[2026-05-28 01:51:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6186052820995838402.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15697783931946348631.kers]
Normalized transition count is 206 out of 207 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 206 rows 158 cols 437 entries
Finished phase 1 with 136 SingleSign rule and 0 generalized
[2026-05-28 01:51:26] [INFO ] Computed 24 invariants in 1 ms
Computed 24 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15697783931946348631.kers
Total runtime 1 ms.
[2026-05-28 01:51:27] [INFO ] Implicit Places using invariants in 197 ms returned [159]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 198 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 159/267 places, 248/794 transitions.
Graph (trivial) has 218 edges and 159 vertex of which 60 / 159 are part of one of the 20 SCC in 2 ms
Free SCC test removed 40 places
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 119 transition count 146
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 45 place count 97 transition count 146
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 22 Pre rules applied. Total rules applied 45 place count 97 transition count 124
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 89 place count 75 transition count 124
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 2 with 48 rules applied. Total rules applied 137 place count 51 transition count 100
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 2 with 22 rules applied. Total rules applied 159 place count 51 transition count 78
Applied a total of 159 rules in 38 ms. Remains 51 /159 variables (removed 108) and now considering 78/248 (removed 170) transitions.
[2026-05-28 01:51:27] [INFO ] Flow matrix only has 55 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14630577415681866587.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17961071503208093080.kers'
[2026-05-28 01:51:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14630577415681866587.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17961071503208093080.kers]
Normalized transition count is 54 out of 55 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 54 rows 50 cols 133 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-28 01:51:27] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17961071503208093080.kers
Total runtime 1 ms.
[2026-05-28 01:51:27] [INFO ] Implicit Places using invariants in 65 ms returned []
[2026-05-28 01:51:27] [INFO ] Flow matrix only has 55 transitions (discarded 23 similar events)
[2026-05-28 01:51:27] [INFO ] Invariant cache hit.
[2026-05-28 01:51:27] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-28 01:51:27] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 51/267 places, 78/794 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 532 ms. Remains : 51/267 places, 78/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-01 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' '!(G(F((p0||G(p1)))))'
Support contains 5 out of 267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Graph (trivial) has 215 edges and 267 vertex of which 60 / 267 are part of one of the 20 SCC in 1 ms
Free SCC test removed 40 places
Ensure Unique test removed 211 transitions
Reduce isomorphic transitions removed 211 transitions.
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 1 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 0 with 132 rules applied. Total rules applied 133 place count 161 transition count 517
Drop transitions (Redundant composition of simpler transitions.) removed 268 transitions
Redundant transition composition rules discarded 268 transitions
Iterating global reduction 0 with 268 rules applied. Total rules applied 401 place count 161 transition count 249
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 402 place count 161 transition count 249
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 403 place count 160 transition count 248
Iterating global reduction 0 with 1 rules applied. Total rules applied 404 place count 160 transition count 248
Applied a total of 404 rules in 97 ms. Remains 160 /267 variables (removed 107) and now considering 248/794 (removed 546) transitions.
[2026-05-28 01:51:27] [INFO ] Flow matrix only has 207 transitions (discarded 41 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10922996126135063318.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9870917953928645755.kers'
[2026-05-28 01:51:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10922996126135063318.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9870917953928645755.kers]
Normalized transition count is 206 out of 207 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 206 rows 158 cols 437 entries
Finished phase 1 with 136 SingleSign rule and 0 generalized
[2026-05-28 01:51:27] [INFO ] Computed 24 invariants in 1 ms
Computed 24 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-9870917953928645755.kers
Total runtime 2 ms.
[2026-05-28 01:51:27] [INFO ] Implicit Places using invariants in 160 ms returned []
[2026-05-28 01:51:27] [INFO ] Flow matrix only has 207 transitions (discarded 41 similar events)
[2026-05-28 01:51:27] [INFO ] Invariant cache hit.
[2026-05-28 01:51:27] [INFO ] State equation strengthened by 157 read => feed constraints.
[2026-05-28 01:51:28] [INFO ] Implicit Places using invariants and state equation in 540 ms returned []
Implicit Place search using SMT with State Equation took 703 ms to find 0 implicit places.
[2026-05-28 01:51:28] [INFO ] Redundant transitions in 40 ms returned [114]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 246 sub problems to find dead transitions.
[2026-05-28 01:51:28] [INFO ] Flow matrix only has 206 transitions (discarded 41 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16151501274640405937.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-873851965664882169.kers'
[2026-05-28 01:51:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16151501274640405937.kers, --Pflows, --basisKERS=/tmp/petrispot-output-873851965664882169.kers]
Normalized transition count is 205 out of 206 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 205 rows 158 cols 433 entries
Finished phase 1 with 136 SingleSign rule and 0 generalized
[2026-05-28 01:51:28] [INFO ] Computed 24 invariants in 1 ms
Computed 24 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-873851965664882169.kers
Total runtime 2 ms.
[2026-05-28 01:51:28] [INFO ] State equation strengthened by 156 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 1 (OVERLAPS) 1/160 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/160 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 3 (OVERLAPS) 205/365 variables, 160/184 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/365 variables, 155/339 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 6 (OVERLAPS) 1/366 variables, 1/340 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/366 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 8 (OVERLAPS) 0/366 variables, 0/340 constraints. Problems are: Problem set: 0 solved, 246 unsolved
No progress, stopping.
After SMT solving in domain Real declared 366/366 variables, and 340 constraints, problems are : Problem set: 0 solved, 246 unsolved in 29363 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 160/160 constraints, ReadFeed: 156/156 constraints, PredecessorRefiner: 246/246 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 246 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/159 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 1 (OVERLAPS) 1/160 variables, 24/24 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/160 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 3 (OVERLAPS) 205/365 variables, 160/184 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/365 variables, 155/339 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/365 variables, 246/585 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/365 variables, 0/585 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 7 (OVERLAPS) 1/366 variables, 1/586 constraints. Problems are: Problem set: 0 solved, 246 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/366 variables, 0/586 constraints. Problems are: Problem set: 0 solved, 246 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 366/366 variables, and 586 constraints, problems are : Problem set: 0 solved, 246 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 160/160 constraints, ReadFeed: 156/156 constraints, PredecessorRefiner: 246/246 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59447ms problems are : Problem set: 0 solved, 246 unsolved
Search for dead transitions found 0 dead transitions in 59451ms
Starting structural reductions in SI_LTL mode, iteration 1 : 160/267 places, 247/794 transitions.
Applied a total of 0 rules in 20 ms. Remains 160 /160 variables (removed 0) and now considering 247/247 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 60324 ms. Remains : 160/267 places, 247/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((G(p0)||p1))))'
Stuttering acceptance computed with spot in 114 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-03
Stuttering criterion allowed to conclude after 211 steps with 0 reset in 10 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-03 finished in 60495 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))&&F(((p2&&X((p2 U (!p3||G(p2)))))||p1))))))'
Support contains 6 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 19 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9652747503238156054.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5957195514953387014.kers'
[2026-05-28 01:52:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9652747503238156054.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5957195514953387014.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 1 ms.
// Phase 1: matrix 794 rows 265 cols 2491 entries
Finished phase 1 with 243 SingleSign rule and 0 generalized
[2026-05-28 01:52:27] [INFO ] Computed 24 invariants in 5 ms
Computed 24 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-5957195514953387014.kers
Total runtime 7 ms.
[2026-05-28 01:52:28] [INFO ] Implicit Places using invariants in 403 ms returned [266]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 406 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 266/267 places, 794/794 transitions.
Applied a total of 0 rules in 10 ms. Remains 266 /266 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 436 ms. Remains : 266/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(X(p0))&&F(((p2&&X((p2 U (!p3||G(p2)))))||p1))))))'
Stuttering acceptance computed with spot in 464 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2) p3), (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 9 steps with 1 reset in 1 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-04 finished in 976 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((G((!p0&&F(!p1)))||(!p0&&X((F(!p1)&&(X(!p2) U ((!p3&&X(!p2))||X(G(!p2))))))))))))'
Support contains 9 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 8 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:52:28] [INFO ] Invariant cache hit.
[2026-05-28 01:52:29] [INFO ] Implicit Places using invariants in 339 ms returned []
[2026-05-28 01:52:29] [INFO ] Invariant cache hit.
[2026-05-28 01:52:29] [INFO ] State equation strengthened by 573 read => feed constraints.
[2026-05-28 01:52:30] [INFO ] Implicit Places using invariants and state equation in 1267 ms returned []
Implicit Place search using SMT with State Equation took 1609 ms to find 0 implicit places.
Running 793 sub problems to find dead transitions.
[2026-05-28 01:52:30] [INFO ] Invariant cache hit.
[2026-05-28 01:52:30] [INFO ] State equation strengthened by 573 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 266/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/267 variables, 24/290 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 267/1061 variables, and 291 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30050 ms.
Refiners :[Domain max(s): 267/267 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 0/267 constraints, ReadFeed: 0/573 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 793 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/266 variables, 266/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/266 variables, 0/266 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 2 (OVERLAPS) 1/267 variables, 24/290 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 1/291 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/291 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 5 (OVERLAPS) 794/1061 variables, 267/558 constraints. Problems are: Problem set: 0 solved, 793 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1061 variables, 573/1131 constraints. Problems are: Problem set: 0 solved, 793 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1061/1061 variables, and 1924 constraints, problems are : Problem set: 0 solved, 793 unsolved in 30230 ms.
Refiners :[Domain max(s): 267/267 constraints, Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 267/267 constraints, ReadFeed: 573/573 constraints, PredecessorRefiner: 793/793 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60837ms problems are : Problem set: 0 solved, 793 unsolved
Search for dead transitions found 0 dead transitions in 60842ms
Finished structural reductions in LTL mode , in 1 iterations and 62467 ms. Remains : 267/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F((G((p0&&F(p1)))||(X((F(p1)&&(X(!p2) U ((!p3&&X(!p2))||X(G(!p2))))))&&p0))))))'
Stuttering acceptance computed with spot in 887 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p1) (AND (NOT p0) p2)), (NOT p1), (NOT p1), (NOT p1), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (AND (NOT p1) p2), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (AND (NOT p1) p2), (AND (NOT p1) p2), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-05
Product exploration explored 100000 steps with 18763 reset in 2273 ms.
Stack based approach found an accepted trace after 2624 steps with 489 reset with depth 9 and stack size 9 in 55 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-05 finished in 65803 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 (G(X(p1)) U (p2 U p1)))||X(p2))))'
Support contains 7 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 4 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:53:34] [INFO ] Invariant cache hit.
[2026-05-28 01:53:35] [INFO ] Implicit Places using invariants in 356 ms returned [266]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 360 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 266/267 places, 794/794 transitions.
Applied a total of 0 rules in 11 ms. Remains 266 /266 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 376 ms. Remains : 266/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!(X(p0) U (G(X(p1)) U (p2 U p1)))||X(p2))))'
Stuttering acceptance computed with spot in 426 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p2)), (NOT p2), (AND p1 (NOT p2)), (AND p1 (NOT p2) (NOT p0)), true, (AND p0 p1), p1, p1]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-07
Entered a terminal (fully accepting) state of product in 14611 steps with 4630 reset in 319 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-07 finished in 1190 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(X((p1&&X(X(p2))))))))'
Support contains 5 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 3 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:53:35] [INFO ] Invariant cache hit.
[2026-05-28 01:53:36] [INFO ] Implicit Places using invariants in 297 ms returned [266]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 299 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 266/267 places, 794/794 transitions.
Applied a total of 0 rules in 3 ms. Remains 266 /266 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 307 ms. Remains : 266/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X((p0&&X(X(p1)))))||p2)))'
Stuttering acceptance computed with spot in 248 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-08
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-08 finished in 599 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(p1))))'
Support contains 5 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 3 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:53:36] [INFO ] Invariant cache hit.
[2026-05-28 01:53:36] [INFO ] Implicit Places using invariants in 294 ms returned [266]
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 : 266/267 places, 794/794 transitions.
Applied a total of 0 rules in 2 ms. Remains 266 /266 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 303 ms. Remains : 266/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)||X(p1))))'
Stuttering acceptance computed with spot in 196 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-10 finished in 539 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0))&&(X(F(p1))||(p0&&F(p2))))))'
Support contains 6 out of 267 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Applied a total of 0 rules in 2 ms. Remains 267 /267 variables (removed 0) and now considering 794/794 (removed 0) transitions.
[2026-05-28 01:53:37] [INFO ] Invariant cache hit.
[2026-05-28 01:53:37] [INFO ] Implicit Places using invariants in 410 ms returned [266]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 418 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 266/267 places, 794/794 transitions.
Applied a total of 0 rules in 5 ms. Remains 266 /266 variables (removed 0) and now considering 794/794 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 426 ms. Remains : 266/267 places, 794/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(p0))&&(X(F(p1))||(p0&&F(p2))))))'
Stuttering acceptance computed with spot in 297 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p1)), (NOT p0), true]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-12
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-12 finished in 762 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 267 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 267/267 places, 794/794 transitions.
Graph (trivial) has 215 edges and 267 vertex of which 60 / 267 are part of one of the 20 SCC in 1 ms
Free SCC test removed 40 places
Ensure Unique test removed 211 transitions
Reduce isomorphic transitions removed 211 transitions.
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Deduced a syphon composed of 66 places in 1 ms
Reduce places removed 66 places and 0 transitions.
Iterating global reduction 0 with 132 rules applied. Total rules applied 133 place count 161 transition count 517
Drop transitions (Redundant composition of simpler transitions.) removed 268 transitions
Redundant transition composition rules discarded 268 transitions
Iterating global reduction 0 with 268 rules applied. Total rules applied 401 place count 161 transition count 249
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 402 place count 161 transition count 249
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 403 place count 160 transition count 248
Iterating global reduction 0 with 1 rules applied. Total rules applied 404 place count 160 transition count 248
Applied a total of 404 rules in 68 ms. Remains 160 /267 variables (removed 107) and now considering 248/794 (removed 546) transitions.
[2026-05-28 01:53:37] [INFO ] Flow matrix only has 207 transitions (discarded 41 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6742138246215455723.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9030857651091786821.kers'
[2026-05-28 01:53:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6742138246215455723.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9030857651091786821.kers]
Normalized transition count is 206 out of 207 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 206 rows 158 cols 437 entries
Finished phase 1 with 136 SingleSign rule and 0 generalized
[2026-05-28 01:53:37] [INFO ] Computed 24 invariants in 0 ms
Computed 24 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9030857651091786821.kers
Total runtime 1 ms.
[2026-05-28 01:53:38] [INFO ] Implicit Places using invariants in 275 ms returned [159]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 277 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 159/267 places, 248/794 transitions.
Graph (trivial) has 218 edges and 159 vertex of which 60 / 159 are part of one of the 20 SCC in 1 ms
Free SCC test removed 40 places
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 22 transitions
Trivial Post-agglo rules discarded 22 transitions
Performed 22 trivial Post agglomeration. Transition count delta: 22
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 119 transition count 146
Reduce places removed 22 places and 0 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 45 place count 97 transition count 146
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 22 Pre rules applied. Total rules applied 45 place count 97 transition count 124
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 89 place count 75 transition count 124
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 4 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 137 place count 51 transition count 100
Drop transitions (Redundant composition of simpler transitions.) removed 22 transitions
Redundant transition composition rules discarded 22 transitions
Iterating global reduction 2 with 22 rules applied. Total rules applied 159 place count 51 transition count 78
Applied a total of 159 rules in 29 ms. Remains 51 /159 variables (removed 108) and now considering 78/248 (removed 170) transitions.
[2026-05-28 01:53:38] [INFO ] Flow matrix only has 55 transitions (discarded 23 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-246251353451490911.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4077673927242560757.kers'
[2026-05-28 01:53:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-246251353451490911.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4077673927242560757.kers]
Normalized transition count is 54 out of 55 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 54 rows 50 cols 133 entries
Finished phase 1 with 28 SingleSign rule and 0 generalized
[2026-05-28 01:53:38] [INFO ] Computed 23 invariants in 0 ms
Computed 23 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4077673927242560757.kers
Total runtime 0 ms.
[2026-05-28 01:53:38] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-28 01:53:38] [INFO ] Flow matrix only has 55 transitions (discarded 23 similar events)
[2026-05-28 01:53:38] [INFO ] Invariant cache hit.
[2026-05-28 01:53:38] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-05-28 01:53:38] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 51/267 places, 78/794 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 558 ms. Remains : 51/267 places, 78/794 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-22a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-22a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-22a-LTLFireability-14 finished in 674 ms.
All properties solved by simple procedures.
Total runtime 202998 ms.

BK_STOP 1779933218579

--------------------
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-22a"
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-22a, 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-177955809100452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-22a.tgz
mv FlexibleBarrier-PT-22a execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;