About the Execution of ITS-Tools for FlexibleBarrier-PT-16a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 489.623 | 194271.00 | 245462.00 | 729.40 | TTTFTTTFFFFFFFTT | 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-177955809100403.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-16a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100403
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 6.1K Mar 7 06:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 06:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 06:01 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 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 06:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 151K Mar 7 06:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 06:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 06:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 214K 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-16a-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-16a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779907200442
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-16a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 18:40:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 18:40:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 18:40:03] [INFO ] Load time of PNML (sax parser for PT used): 255 ms
[2026-05-27 18:40:03] [INFO ] Transformed 195 places.
[2026-05-27 18:40:03] [INFO ] Transformed 724 transitions.
[2026-05-27 18:40:03] [INFO ] Found NUPN structural information;
[2026-05-27 18:40:03] [INFO ] Parsed PT model containing 195 places and 724 transitions and 3489 arcs in 513 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 226 transitions
Reduce redundant transitions removed 226 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 19 out of 195 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 195/195 places, 498/498 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 16 transitions
Redundant transition composition rules discarded 16 transitions
Iterating global reduction 0 with 16 rules applied. Total rules applied 16 place count 195 transition count 482
Applied a total of 16 rules in 102 ms. Remains 195 /195 variables (removed 0) and now considering 482/498 (removed 16) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1465894984350584968.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10160772276367244706.kers'
[2026-05-27 18:40:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1465894984350584968.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10160772276367244706.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 482 rows 193 cols 1429 entries
Finished phase 1 with 177 SingleSign rule and 0 generalized
[2026-05-27 18:40:03] [INFO ] Computed 18 invariants in 3 ms
Computed 18 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-10160772276367244706.kers
Total runtime 6 ms.
[2026-05-27 18:40:05] [INFO ] Implicit Places using invariants in 1228 ms returned [193, 194]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 1307 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 193/195 places, 482/498 transitions.
Applied a total of 0 rules in 22 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1464 ms. Remains : 193/195 places, 482/498 transitions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 12 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (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-2723777274653367337.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3993405643736048959.kers'
[2026-05-27 18:40:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2723777274653367337.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3993405643736048959.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 482 rows 193 cols 1429 entries
Finished phase 1 with 177 SingleSign rule and 0 generalized
[2026-05-27 18:40:05] [INFO ] Computed 16 invariants in 7 ms
Computed 16 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-3993405643736048959.kers
Total runtime 9 ms.
[2026-05-27 18:40:05] [INFO ] Implicit Places using invariants in 172 ms returned []
[2026-05-27 18:40:05] [INFO ] Invariant cache hit.
[2026-05-27 18:40:05] [INFO ] Implicit Places using invariants and state equation in 463 ms returned []
Implicit Place search using SMT with State Equation took 638 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2026-05-27 18:40:05] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30059 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30036 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60757ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60795ms
Finished structural reductions in LTL mode , in 1 iterations and 61494 ms. Remains : 193/193 places, 482/482 transitions.
Support contains 19 out of 193 places after structural reductions.
[2026-05-27 18:41:07] [INFO ] Flatten gal took : 115 ms
[2026-05-27 18:41:07] [INFO ] Flatten gal took : 54 ms
[2026-05-27 18:41:07] [INFO ] Input system was already deterministic with 482 transitions.
RANDOM walk for 5949 steps (0 resets) in 796 ms. (7 steps per ms) remains 0/9 properties
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 251 edges and 193 vertex of which 181 / 193 are part of one of the 19 SCC in 3 ms
Free SCC test removed 162 places
Ensure Unique test removed 309 transitions
Reduce isomorphic transitions removed 309 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 31 transition count 170
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 7 place count 28 transition count 170
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 9 place count 26 transition count 166
Iterating global reduction 2 with 2 rules applied. Total rules applied 11 place count 26 transition count 166
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 4 rules applied. Total rules applied 15 place count 26 transition count 162
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 18 place count 24 transition count 161
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 19 place count 23 transition count 161
Drop transitions (Redundant composition of simpler transitions.) removed 134 transitions
Redundant transition composition rules discarded 134 transitions
Iterating global reduction 5 with 134 rules applied. Total rules applied 153 place count 23 transition count 27
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 1 rules applied. Total rules applied 154 place count 23 transition count 26
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 155 place count 22 transition count 26
Discarding 13 places :
Symmetric choice reduction at 7 with 13 rule applications. Total rules 168 place count 9 transition count 13
Iterating global reduction 7 with 13 rules applied. Total rules applied 181 place count 9 transition count 13
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 182 place count 9 transition count 13
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 183 place count 8 transition count 12
Iterating global reduction 7 with 1 rules applied. Total rules applied 184 place count 8 transition count 12
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 185 place count 8 transition count 11
Applied a total of 185 rules in 48 ms. Remains 8 /193 variables (removed 185) and now considering 11/482 (removed 471) transitions.
[2026-05-27 18:41:08] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3421630729242355777.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3700065283870473291.kers'
[2026-05-27 18:41:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3421630729242355777.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3700065283870473291.kers]
Normalized transition count is 7 out of 8 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 7 rows 7 cols 15 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-27 18:41:08] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3700065283870473291.kers
Total runtime 0 ms.
[2026-05-27 18:41:08] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-27 18:41:08] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
[2026-05-27 18:41:08] [INFO ] Invariant cache hit.
[2026-05-27 18:41:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 18:41:08] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2026-05-27 18:41:08] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
[2026-05-27 18:41:08] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
[2026-05-27 18:41:08] [INFO ] Invariant cache hit.
[2026-05-27 18:41:08] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 7/15 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 1/16 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 0/16 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 16/16 variables, and 12 constraints, problems are : Problem set: 0 solved, 10 unsolved in 246 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 1/8 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 7/15 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 1/16 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/16 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/16 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 16/16 variables, and 22 constraints, problems are : Problem set: 0 solved, 10 unsolved in 226 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 477ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 477ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/193 places, 11/482 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 614 ms. Remains : 8/193 places, 11/482 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 311 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-03
Stuttering criterion allowed to conclude after 4 steps with 1 reset in 12 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-03 finished in 1116 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 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 250 edges and 193 vertex of which 181 / 193 are part of one of the 17 SCC in 3 ms
Free SCC test removed 164 places
Ensure Unique test removed 313 transitions
Reduce isomorphic transitions removed 313 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 144 transitions
Reduce isomorphic transitions removed 144 transitions.
Graph (trivial) has 15 edges and 14 vertex of which 2 / 14 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
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 160 rules applied. Total rules applied 161 place count 13 transition count 23
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 5 rules applied. Total rules applied 166 place count 12 transition count 19
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 168 place count 10 transition count 19
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 168 place count 10 transition count 18
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 170 place count 9 transition count 18
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 171 place count 8 transition count 16
Iterating global reduction 3 with 1 rules applied. Total rules applied 172 place count 8 transition count 16
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 174 place count 8 transition count 14
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 176 place count 7 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 177 place count 6 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 6 with 6 rules applied. Total rules applied 183 place count 6 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 184 place count 6 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 185 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 185 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 187 place count 4 transition count 5
Applied a total of 187 rules in 22 ms. Remains 4 /193 variables (removed 189) and now considering 5/482 (removed 477) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17058515919446210030.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14075823568385832559.kers'
[2026-05-27 18:41:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17058515919446210030.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14075823568385832559.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-27 18:41:09] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14075823568385832559.kers
Total runtime 0 ms.
[2026-05-27 18:41:09] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-27 18:41:09] [INFO ] Invariant cache hit.
[2026-05-27 18:41:09] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2026-05-27 18:41:09] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-27 18:41:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 91ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 91ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/193 places, 5/482 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 173 ms. Remains : 4/193 places, 5/482 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 36 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-09
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-09 finished in 252 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 250 edges and 193 vertex of which 184 / 193 are part of one of the 18 SCC in 2 ms
Free SCC test removed 166 places
Ensure Unique test removed 329 transitions
Reduce isomorphic transitions removed 329 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 148 rules applied. Total rules applied 149 place count 12 transition count 18
Reduce places removed 2 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 152 place count 10 transition count 17
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 153 place count 9 transition count 17
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 155 place count 8 transition count 16
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 161 place count 8 transition count 10
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 1 rules applied. Total rules applied 162 place count 8 transition count 9
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 2 rules applied. Total rules applied 164 place count 7 transition count 8
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 165 place count 6 transition count 8
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 166 place count 5 transition count 7
Iterating global reduction 6 with 1 rules applied. Total rules applied 167 place count 5 transition count 7
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 168 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 168 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 170 place count 4 transition count 5
Applied a total of 170 rules in 11 ms. Remains 4 /193 variables (removed 189) and now considering 5/482 (removed 477) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18176645780173882268.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2456213214254452517.kers'
[2026-05-27 18:41:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18176645780173882268.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2456213214254452517.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-27 18:41:09] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2456213214254452517.kers
Total runtime 0 ms.
[2026-05-27 18:41:09] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-27 18:41:09] [INFO ] Invariant cache hit.
[2026-05-27 18:41:09] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2026-05-27 18:41:09] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/193 places, 5/482 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 81 ms. Remains : 4/193 places, 5/482 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U G(!p0)))'
Stuttering acceptance computed with spot in 106 ms :[p0, true, p0]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-10
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-10 finished in 212 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((X(p0)||G(p1))))))'
Support contains 5 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (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-16421630234412843508.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4006720739727622528.kers'
[2026-05-27 18:41:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16421630234412843508.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4006720739727622528.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 482 rows 193 cols 1429 entries
Finished phase 1 with 177 SingleSign rule and 0 generalized
[2026-05-27 18:41:09] [INFO ] Computed 16 invariants in 1 ms
Computed 16 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4006720739727622528.kers
Total runtime 4 ms.
[2026-05-27 18:41:09] [INFO ] Implicit Places using invariants in 130 ms returned []
[2026-05-27 18:41:09] [INFO ] Invariant cache hit.
[2026-05-27 18:41:09] [INFO ] Implicit Places using invariants and state equation in 332 ms returned []
Implicit Place search using SMT with State Equation took 464 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2026-05-27 18:41:09] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30030 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30028 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60377ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60382ms
Finished structural reductions in LTL mode , in 1 iterations and 60856 ms. Remains : 193/193 places, 482/482 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((X(p0)||G(p1))))))'
Stuttering acceptance computed with spot in 212 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-12
Product exploration explored 100000 steps with 23018 reset in 1092 ms.
Stack based approach found an accepted trace after 3064 steps with 703 reset with depth 5 and stack size 5 in 24 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-12 finished in 62243 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 193 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Graph (trivial) has 250 edges and 193 vertex of which 184 / 193 are part of one of the 20 SCC in 1 ms
Free SCC test removed 164 places
Ensure Unique test removed 325 transitions
Reduce isomorphic transitions removed 325 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 132 transitions
Reduce isomorphic transitions removed 132 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 148 rules applied. Total rules applied 149 place count 14 transition count 22
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 151 place count 12 transition count 22
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 152 place count 11 transition count 20
Iterating global reduction 2 with 1 rules applied. Total rules applied 153 place count 11 transition count 20
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 155 place count 11 transition count 18
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 156 place count 10 transition count 18
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 158 place count 9 transition count 17
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 164 place count 9 transition count 11
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 4 with 1 rules applied. Total rules applied 165 place count 9 transition count 10
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 2 rules applied. Total rules applied 167 place count 8 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 168 place count 7 transition count 9
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 1 Pre rules applied. Total rules applied 168 place count 7 transition count 8
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 7 with 2 rules applied. Total rules applied 170 place count 6 transition count 8
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 171 place count 5 transition count 7
Iterating global reduction 7 with 1 rules applied. Total rules applied 172 place count 5 transition count 7
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 173 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 1 Pre rules applied. Total rules applied 173 place count 5 transition count 5
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 8 with 2 rules applied. Total rules applied 175 place count 4 transition count 5
Applied a total of 175 rules in 9 ms. Remains 4 /193 variables (removed 189) and now considering 5/482 (removed 477) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12184575460661686754.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17529407976406416302.kers'
[2026-05-27 18:42:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12184575460661686754.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17529407976406416302.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-27 18:42:11] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17529407976406416302.kers
Total runtime 0 ms.
[2026-05-27 18:42:11] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-05-27 18:42:11] [INFO ] Invariant cache hit.
[2026-05-27 18:42:11] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-27 18:42:11] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-27 18:42:11] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 38 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 81ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 81ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/193 places, 5/482 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 143 ms. Remains : 4/193 places, 5/482 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 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-13
Stuttering criterion allowed to conclude after 21 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-13 finished in 240 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((G(p0)||F(p1))))) U (p1 U p2))))'
Support contains 6 out of 193 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 193/193 places, 482/482 transitions.
Applied a total of 0 rules in 5 ms. Remains 193 /193 variables (removed 0) and now considering 482/482 (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-17678812091025601891.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-707368612517180326.kers'
[2026-05-27 18:42:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17678812091025601891.kers, --Pflows, --basisKERS=/tmp/petrispot-output-707368612517180326.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 482 rows 193 cols 1429 entries
Finished phase 1 with 177 SingleSign rule and 0 generalized
[2026-05-27 18:42:11] [INFO ] Computed 16 invariants in 2 ms
Computed 16 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-707368612517180326.kers
Total runtime 3 ms.
[2026-05-27 18:42:12] [INFO ] Implicit Places using invariants in 78 ms returned []
[2026-05-27 18:42:12] [INFO ] Invariant cache hit.
[2026-05-27 18:42:12] [INFO ] Implicit Places using invariants and state equation in 221 ms returned []
Implicit Place search using SMT with State Equation took 302 ms to find 0 implicit places.
Running 481 sub problems to find dead transitions.
[2026-05-27 18:42:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 675/675 variables, and 402 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30025 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 481 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/192 variables, 192/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/192 variables, 0/192 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 2 (OVERLAPS) 1/193 variables, 16/208 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 1/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 5 (OVERLAPS) 482/675 variables, 193/402 constraints. Problems are: Problem set: 0 solved, 481 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/675 variables, 481/883 constraints. Problems are: Problem set: 0 solved, 481 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 675/675 variables, and 883 constraints, problems are : Problem set: 0 solved, 481 unsolved in 30035 ms.
Refiners :[Domain max(s): 193/193 constraints, Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 193/193 constraints, PredecessorRefiner: 481/481 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60214ms problems are : Problem set: 0 solved, 481 unsolved
Search for dead transitions found 0 dead transitions in 60216ms
Finished structural reductions in LTL mode , in 1 iterations and 60526 ms. Remains : 193/193 places, 482/482 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((G(p0)||F(p1))))) U (p1 U p2))))'
Stuttering acceptance computed with spot in 398 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p2) (NOT p0)), (AND (NOT p1) (NOT p2) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-16a-LTLCardinality-14
Product exploration explored 100000 steps with 50000 reset in 891 ms.
Product exploration explored 100000 steps with 50000 reset in 818 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 9 factoid took 20 ms. Proved property starting from automaton with 9 states, 14 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 31 ms.
FORMULA FlexibleBarrier-PT-16a-LTLCardinality-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-16a-LTLCardinality-14 finished in 62736 ms.
All properties solved by simple procedures.
Total runtime 191856 ms.
BK_STOP 1779907394713
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-16a"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-16a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100403"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-16a.tgz
mv FlexibleBarrier-PT-16a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;