About the Execution of ITS-Tools for FlexibleBarrier-PT-12a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 515.371 | 201326.00 | 247854.00 | 857.40 | TTTTFFFTFFFTFFFF | 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-177955809100371.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-12a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100371
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 632K
-rw-r--r-- 1 mcc users 8.5K Mar 7 05:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 7 05:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 7 05:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 7 05:33 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 17 09:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 17 09:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 17 09:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 17 09:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 05:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 05:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 7 05:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 17 09:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 17 09:03 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 128K 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-12a-LTLCardinality-00
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-01
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-02
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-03
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-04
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-05
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-06
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-07
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-08
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-09
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-10
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-11
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-12
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-13
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-14
FORMULA_NAME FlexibleBarrier-PT-12a-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1779888581160
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-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-27 13:29:43] [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 13:29:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 13:29:44] [INFO ] Load time of PNML (sax parser for PT used): 204 ms
[2026-05-27 13:29:44] [INFO ] Transformed 147 places.
[2026-05-27 13:29:44] [INFO ] Transformed 448 transitions.
[2026-05-27 13:29:44] [INFO ] Found NUPN structural information;
[2026-05-27 13:29:44] [INFO ] Parsed PT model containing 147 places and 448 transitions and 2045 arcs in 452 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 25 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 122 transitions
Reduce redundant transitions removed 122 transitions.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 147 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 147/147 places, 326/326 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 12 transitions
Redundant transition composition rules discarded 12 transitions
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 147 transition count 314
Applied a total of 12 rules in 61 ms. Remains 147 /147 variables (removed 0) and now considering 314/326 (removed 12) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3610084674158006403.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9285388153316889276.kers'
[2026-05-27 13:29:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3610084674158006403.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9285388153316889276.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:29:44] [INFO ] Computed 14 invariants in 2 ms
Computed 14 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-9285388153316889276.kers
Total runtime 4 ms.
[2026-05-27 13:29:45] [INFO ] Implicit Places using invariants in 907 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 982 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 146/147 places, 314/326 transitions.
Applied a total of 0 rules in 12 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1106 ms. Remains : 146/147 places, 314/326 transitions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 27 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (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-10979944766934604702.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11666084772143633845.kers'
[2026-05-27 13:29:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10979944766934604702.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11666084772143633845.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:29:45] [INFO ] Computed 13 invariants in 2 ms
Computed 13 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11666084772143633845.kers
Total runtime 3 ms.
[2026-05-27 13:29:45] [INFO ] Implicit Places using invariants in 243 ms returned []
[2026-05-27 13:29:45] [INFO ] Invariant cache hit.
[2026-05-27 13:29:46] [INFO ] State equation strengthened by 60 read => feed constraints.
[2026-05-27 13:29:46] [INFO ] Implicit Places using invariants and state equation in 582 ms returned []
Implicit Place search using SMT with State Equation took 828 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2026-05-27 13:29:46] [INFO ] Invariant cache hit.
[2026-05-27 13:29:46] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 145/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/146 variables, 13/158 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/460 variables, 146/305 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 60/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 460/460 variables, and 365 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30035 ms.
Refiners :[Domain max(s): 146/146 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 146/146 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 145/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/146 variables, 13/158 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/460 variables, 146/305 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 60/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 313/678 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/460 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 0/460 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 460/460 variables, and 678 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30017 ms.
Refiners :[Domain max(s): 146/146 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 146/146 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60469ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 60502ms
Finished structural reductions in LTL mode , in 1 iterations and 61415 ms. Remains : 146/146 places, 314/314 transitions.
Support contains 31 out of 146 places after structural reductions.
[2026-05-27 13:30:47] [INFO ] Flatten gal took : 96 ms
[2026-05-27 13:30:47] [INFO ] Flatten gal took : 44 ms
[2026-05-27 13:30:47] [INFO ] Input system was already deterministic with 314 transitions.
RANDOM walk for 3193 steps (0 resets) in 276 ms. (11 steps per ms) remains 0/17 properties
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 2 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&G(F(!p0))) U X(p1)))'
Support contains 4 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 12 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:30:48] [INFO ] Invariant cache hit.
[2026-05-27 13:30:48] [INFO ] Implicit Places using invariants in 279 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 281 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 145/146 places, 314/314 transitions.
Applied a total of 0 rules in 11 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 306 ms. Remains : 145/146 places, 314/314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0)&&G(F(!p0))) U X(p1)))'
Stuttering acceptance computed with spot in 683 ms :[(NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0), p0, p0]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-03
Product exploration explored 100000 steps with 50000 reset in 1118 ms.
Product exploration explored 100000 steps with 50000 reset in 577 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 7 factoid took 16 ms. Proved property starting from automaton with 6 states, 11 edges and 2 AP (stutter sensitive
Knowledge-based reduction took 38 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-03 finished in 2851 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))||G(p0))))))'
Support contains 3 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 20 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:30:50] [INFO ] Invariant cache hit.
[2026-05-27 13:30:51] [INFO ] Implicit Places using invariants in 272 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 275 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 145/146 places, 314/314 transitions.
Applied a total of 0 rules in 5 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 301 ms. Remains : 145/146 places, 314/314 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)||(X(p0)&&G(p1)))))))'
Stuttering acceptance computed with spot in 281 ms :[(NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-04
Product exploration explored 100000 steps with 159 reset in 560 ms.
Stack based approach found an accepted trace after 89 steps with 0 reset with depth 90 and stack size 88 in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-04 finished in 1207 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 146 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Graph (trivial) has 129 edges and 146 vertex of which 36 / 146 are part of one of the 12 SCC in 3 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 163 edges and 120 vertex of which 113 / 120 are part of one of the 13 SCC in 1 ms
Free SCC test removed 100 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 3 rules applied. Total rules applied 4 place count 20 transition count 233
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 216 transitions
Reduce isomorphic transitions removed 216 transitions.
Iterating post reduction 1 with 227 rules applied. Total rules applied 231 place count 9 transition count 17
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 232 place count 8 transition count 15
Iterating global reduction 2 with 1 rules applied. Total rules applied 233 place count 8 transition count 15
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 235 place count 8 transition count 13
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 237 place count 7 transition count 12
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 238 place count 6 transition count 12
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 5 with 5 rules applied. Total rules applied 243 place count 6 transition count 7
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 5 with 1 rules applied. Total rules applied 244 place count 6 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 245 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 245 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 247 place count 4 transition count 5
Applied a total of 247 rules in 31 ms. Remains 4 /146 variables (removed 142) and now considering 5/314 (removed 309) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16984083463705504167.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14805411465623737105.kers'
[2026-05-27 13:30:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16984083463705504167.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14805411465623737105.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 13:30:52] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14805411465623737105.kers
Total runtime 0 ms.
[2026-05-27 13:30:52] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-27 13:30:52] [INFO ] Invariant cache hit.
[2026-05-27 13:30:52] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2026-05-27 13:30:52] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-27 13:30:52] [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 53 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 65 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 121ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 121ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/146 places, 5/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 210 ms. Remains : 4/146 places, 5/314 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 90 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-06
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-06 finished in 333 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (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-13299864354127942118.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5154628946796574961.kers'
[2026-05-27 13:30:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13299864354127942118.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5154628946796574961.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:30:52] [INFO ] Computed 13 invariants in 1 ms
Computed 13 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-5154628946796574961.kers
Total runtime 2 ms.
[2026-05-27 13:30:52] [INFO ] Implicit Places using invariants in 203 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 205 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 145/146 places, 314/314 transitions.
Applied a total of 0 rules in 5 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 214 ms. Remains : 145/146 places, 314/314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-07
Product exploration explored 100000 steps with 50000 reset in 726 ms.
Product exploration explored 100000 steps with 50000 reset in 720 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 13 ms. Proved property starting from automaton with 2 states, 2 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 17 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-07 finished in 1814 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)))'
Support contains 2 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 4 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:30:54] [INFO ] Invariant cache hit.
[2026-05-27 13:30:54] [INFO ] Implicit Places using invariants in 137 ms returned []
[2026-05-27 13:30:54] [INFO ] Invariant cache hit.
[2026-05-27 13:30:54] [INFO ] State equation strengthened by 60 read => feed constraints.
[2026-05-27 13:30:54] [INFO ] Implicit Places using invariants and state equation in 329 ms returned []
Implicit Place search using SMT with State Equation took 471 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2026-05-27 13:30:54] [INFO ] Invariant cache hit.
[2026-05-27 13:30:54] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 145/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/146 variables, 13/158 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/460 variables, 146/305 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 60/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (OVERLAPS) 0/460 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Real declared 460/460 variables, and 365 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30018 ms.
Refiners :[Domain max(s): 146/146 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 146/146 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/145 variables, 145/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/145 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/146 variables, 13/158 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/146 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/460 variables, 146/305 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/460 variables, 60/365 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/460 variables, 313/678 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/460 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 9 (OVERLAPS) 0/460 variables, 0/678 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 460/460 variables, and 678 constraints, problems are : Problem set: 0 solved, 313 unsolved in 30025 ms.
Refiners :[Domain max(s): 146/146 constraints, Positive P Invariants (semi-flows): 13/13 constraints, State Equation: 146/146 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60160ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 60164ms
Finished structural reductions in LTL mode , in 1 iterations and 60644 ms. Remains : 146/146 places, 314/314 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)))'
Stuttering acceptance computed with spot in 122 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-09
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-09 finished in 60810 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(F(p0)))))&&F(p1)))'
Support contains 3 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:31:55] [INFO ] Invariant cache hit.
[2026-05-27 13:31:55] [INFO ] Implicit Places using invariants in 261 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 263 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 145/146 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 269 ms. Remains : 145/146 places, 314/314 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(F(p0)))))&&F(p1)))'
Stuttering acceptance computed with spot in 295 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-10
Product exploration explored 100000 steps with 8148 reset in 808 ms.
Stack based approach found an accepted trace after 90 steps with 7 reset with depth 16 and stack size 16 in 2 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-10 finished in 1418 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(X(F(p1))))))'
Support contains 3 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (removed 0) transitions.
[2026-05-27 13:31:56] [INFO ] Invariant cache hit.
[2026-05-27 13:31:56] [INFO ] Implicit Places using invariants in 177 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 178 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 145/146 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 184 ms. Remains : 145/146 places, 314/314 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||X(X(F(p1))))))'
Stuttering acceptance computed with spot in 168 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-11
Product exploration explored 100000 steps with 25000 reset in 692 ms.
Product exploration explored 100000 steps with 25000 reset in 438 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
RANDOM walk for 1162 steps (0 resets) in 38 ms. (29 steps per ms) remains 0/3 properties
Knowledge based reduction with 3 factoid took 122 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 207 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 434 ms.
Stuttering acceptance computed with spot in 212 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 145 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 145/145 places, 314/314 transitions.
Applied a total of 0 rules in 3 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (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-6230050092044493671.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11121110819213252267.kers'
[2026-05-27 13:31:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6230050092044493671.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11121110819213252267.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:31:58] [INFO ] Computed 12 invariants in 2 ms
Computed 12 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-11121110819213252267.kers
Total runtime 3 ms.
[2026-05-27 13:31:58] [INFO ] Implicit Places using invariants in 94 ms returned []
[2026-05-27 13:31:58] [INFO ] Invariant cache hit.
[2026-05-27 13:31:59] [INFO ] Implicit Places using invariants and state equation in 244 ms returned []
Implicit Place search using SMT with State Equation took 342 ms to find 0 implicit places.
Running 313 sub problems to find dead transitions.
[2026-05-27 13:31:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/144 variables, 144/144 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/144 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/145 variables, 12/156 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/145 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/459 variables, 145/302 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/459 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (OVERLAPS) 0/459 variables, 0/302 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 302 constraints, problems are : Problem set: 0 solved, 313 unsolved in 29316 ms.
Refiners :[Domain max(s): 145/145 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 145/145 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 313 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/144 variables, 144/144 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/144 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 2 (OVERLAPS) 1/145 variables, 12/156 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/145 variables, 1/157 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/145 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 5 (OVERLAPS) 314/459 variables, 145/302 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/459 variables, 313/615 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/459 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 313 unsolved
At refinement iteration 8 (OVERLAPS) 0/459 variables, 0/615 constraints. Problems are: Problem set: 0 solved, 313 unsolved
No progress, stopping.
After SMT solving in domain Int declared 459/459 variables, and 615 constraints, problems are : Problem set: 0 solved, 313 unsolved in 29719 ms.
Refiners :[Domain max(s): 145/145 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 145/145 constraints, PredecessorRefiner: 313/313 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59159ms problems are : Problem set: 0 solved, 313 unsolved
Search for dead transitions found 0 dead transitions in 59162ms
Finished structural reductions in LTL mode , in 1 iterations and 59509 ms. Remains : 145/145 places, 314/314 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge based reduction with 1 factoid took 74 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
RANDOM walk for 1764 steps (0 resets) in 17 ms. (98 steps per ms) remains 0/3 properties
Knowledge based reduction with 1 factoid took 97 ms. Reduced automaton from 4 states, 4 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 166 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Knowledge-based reduction took 352 ms.
Stuttering acceptance computed with spot in 170 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 177 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 25000 reset in 688 ms.
Product exploration explored 100000 steps with 25000 reset in 416 ms.
Spot run failed in 122 ms. Status :1
Traceback (most recent call last):
File "/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/autstates.py", line 2, in
import spot
ModuleNotFoundError: No module named 'spot'
java.io.IOException
at fr.lip6.move.gal.application.runner.spot.SpotRunner.computeForwardClosedSI(SpotRunner.java:551)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.treatPartialPOR(LTLPropertySolver.java:419)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:280)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:217)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:66)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:849)
at fr.lip6.move.gal.application.Application.start(Application.java:195)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:219)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:615)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:563)
at org.eclipse.equinox.launcher.Main.run(Main.java:1415)
at org.eclipse.equinox.launcher.Main.main(Main.java:1387)
Built C files in :
/tmp/ltsmin16119526191120038269
[2026-05-27 13:33:00] [INFO ] Built C files in 40ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16119526191120038269
Running compilation step : cd /tmp/ltsmin16119526191120038269;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 1315 ms.
Running link step : cd /tmp/ltsmin16119526191120038269;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 59 ms.
Running LTSmin : cd /tmp/ltsmin16119526191120038269;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '--when' '--hoa' '/tmp/stateBased3699696696499449200.hoa' '--buchi-type=spotba'
LTSmin run took 71 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-11 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-11 finished in 65172 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 146 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Graph (trivial) has 130 edges and 146 vertex of which 36 / 146 are part of one of the 12 SCC in 0 ms
Free SCC test removed 24 places
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 1 places and 0 transitions.
Graph (trivial) has 165 edges and 120 vertex of which 115 / 120 are part of one of the 13 SCC in 0 ms
Free SCC test removed 102 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 3 rules applied. Total rules applied 4 place count 18 transition count 233
Reduce places removed 12 places and 0 transitions.
Ensure Unique test removed 222 transitions
Reduce isomorphic transitions removed 222 transitions.
Iterating post reduction 1 with 234 rules applied. Total rules applied 238 place count 6 transition count 11
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 239 place count 5 transition count 9
Iterating global reduction 2 with 1 rules applied. Total rules applied 240 place count 5 transition count 9
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 242 place count 5 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 243 place count 4 transition count 7
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 245 place count 4 transition count 5
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 246 place count 4 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 247 place count 3 transition count 4
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 1 Pre rules applied. Total rules applied 247 place count 3 transition count 3
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 249 place count 2 transition count 3
Applied a total of 249 rules in 9 ms. Remains 2 /146 variables (removed 144) and now considering 3/314 (removed 311) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18412105570025385274.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9178306011178229213.kers'
[2026-05-27 13:33:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18412105570025385274.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9178306011178229213.kers]
Normalized transition count is 2 out of 3 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 2 rows 1 cols 2 entries
Finished phase 1 with 1 SingleSign rule and 0 generalized
[2026-05-27 13:33:01] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-9178306011178229213.kers
Total runtime 1 ms.
[2026-05-27 13:33:01] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-27 13:33:01] [INFO ] Invariant cache hit.
[2026-05-27 13:33:01] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2026-05-27 13:33:01] [INFO ] Redundant transitions in 0 ms returned []
Running 1 sub problems to find dead transitions.
[2026-05-27 13:33:01] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 0/4 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 4/5 variables, and 3 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1/2 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 2/4 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 4/5 variables, and 4 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2/2 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 67ms problems are : Problem set: 0 solved, 1 unsolved
Search for dead transitions found 0 dead transitions in 67ms
Starting structural reductions in SI_LTL mode, iteration 1 : 2/146 places, 3/314 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 128 ms. Remains : 2/146 places, 3/314 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 47 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-13
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-13 finished in 206 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(p1)&&X(G(p2))))&&p0)))'
Support contains 8 out of 146 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 146/146 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 146 /146 variables (removed 0) and now considering 314/314 (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-6422239406804746704.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15865967285429794605.kers'
[2026-05-27 13:33:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6422239406804746704.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15865967285429794605.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 314 rows 145 cols 881 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-27 13:33:01] [INFO ] Computed 13 invariants in 2 ms
Computed 13 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15865967285429794605.kers
Total runtime 2 ms.
[2026-05-27 13:33:02] [INFO ] Implicit Places using invariants in 209 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 211 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 145/146 places, 314/314 transitions.
Applied a total of 0 rules in 2 ms. Remains 145 /145 variables (removed 0) and now considering 314/314 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 216 ms. Remains : 145/146 places, 314/314 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(p1)&&X(G(p2))))&&p0)))'
Stuttering acceptance computed with spot in 290 ms :[(NOT p2), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p0) (NOT p1)), (OR (NOT p2) (NOT p1) (NOT p0)), true]
Running random walk in product with property : FlexibleBarrier-PT-12a-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-12a-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-12a-LTLCardinality-15 finished in 544 ms.
All properties solved by simple procedures.
Total runtime 198710 ms.
BK_STOP 1779888782486
--------------------
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-12a"
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-12a, 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-177955809100371"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12a.tgz
mv FlexibleBarrier-PT-12a 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 ;