fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r082-smll-177946993600267
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Dekker-PT-020

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1377.991 183146.00 236241.00 2372.90 FTFFFFFTFTFFFFFF 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.r082-smll-177946993600267.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 Dekker-PT-020, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600267
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 716K
-rw-r--r-- 1 mcc users 8.6K Mar 4 18:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 4 18:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 4 18:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 4 18:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 4 18:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 4 18:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 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 247K 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 Dekker-PT-020-LTLCardinality-00
FORMULA_NAME Dekker-PT-020-LTLCardinality-01
FORMULA_NAME Dekker-PT-020-LTLCardinality-02
FORMULA_NAME Dekker-PT-020-LTLCardinality-03
FORMULA_NAME Dekker-PT-020-LTLCardinality-04
FORMULA_NAME Dekker-PT-020-LTLCardinality-05
FORMULA_NAME Dekker-PT-020-LTLCardinality-06
FORMULA_NAME Dekker-PT-020-LTLCardinality-07
FORMULA_NAME Dekker-PT-020-LTLCardinality-08
FORMULA_NAME Dekker-PT-020-LTLCardinality-09
FORMULA_NAME Dekker-PT-020-LTLCardinality-10
FORMULA_NAME Dekker-PT-020-LTLCardinality-11
FORMULA_NAME Dekker-PT-020-LTLCardinality-12
FORMULA_NAME Dekker-PT-020-LTLCardinality-13
FORMULA_NAME Dekker-PT-020-LTLCardinality-14
FORMULA_NAME Dekker-PT-020-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779637378016

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-24 15:43:00] [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]
[2026-05-24 15:43:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:43:00] [INFO ] Load time of PNML (sax parser for PT used): 245 ms
[2026-05-24 15:43:00] [INFO ] Transformed 100 places.
[2026-05-24 15:43:00] [INFO ] Transformed 440 transitions.
[2026-05-24 15:43:00] [INFO ] Found NUPN structural information;
[2026-05-24 15:43:00] [INFO ] Parsed PT model containing 100 places and 440 transitions and 3240 arcs in 500 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.
Initial state reduction rules removed 2 formulas.
FORMULA Dekker-PT-020-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-020-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 100 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 100/100 places, 440/440 transitions.
Applied a total of 0 rules in 52 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:43:01] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6043896445199801293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3378769442324077521.kers'
[2026-05-24 15:43:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6043896445199801293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3378769442324077521.kers]
Culling duplicate invariants (modulo rational): removing 40 columns.
Culled 40 columns in 0 ms.
// Phase 1: matrix 80 rows 60 cols 160 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-24 15:43:01] [INFO ] Computed 60 invariants in 0 ms
Computed 60 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3378769442324077521.kers
Total runtime 2 ms.
[2026-05-24 15:43:02] [INFO ] Implicit Places using invariants in 807 ms returned [40, 46, 49, 52, 55, 58, 64, 67, 70, 73, 82, 85, 94]
Discarding 13 places :
Implicit Place search using SMT only with invariants took 913 ms to find 13 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 87/100 places, 440/440 transitions.
Applied a total of 0 rules in 22 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1026 ms. Remains : 87/100 places, 440/440 transitions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 18 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:43:02] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16793465469883620808.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8983906586683788605.kers'
[2026-05-24 15:43:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16793465469883620808.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8983906586683788605.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 80 rows 60 cols 160 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-24 15:43:02] [INFO ] Computed 47 invariants in 0 ms
Computed 47 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8983906586683788605.kers
Total runtime 1 ms.
[2026-05-24 15:43:02] [INFO ] Implicit Places using invariants in 338 ms returned []
[2026-05-24 15:43:02] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:43:02] [INFO ] Invariant cache hit.
[2026-05-24 15:43:02] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-24 15:43:02] [INFO ] Implicit Places using invariants and state equation in 377 ms returned []
Implicit Place search using SMT with State Equation took 719 ms to find 0 implicit places.
Running 420 sub problems to find dead transitions.
[2026-05-24 15:43:03] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:43:03] [INFO ] Invariant cache hit.
[2026-05-24 15:43:03] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 20/140 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 20/160 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 14/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 6 (OVERLAPS) 7/87 variables, 7/181 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/87 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 9 (OVERLAPS) 80/167 variables, 87/275 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 20/295 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 167/167 variables, and 295 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30052 ms.
Refiners :[Domain max(s): 87/87 constraints, Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 87/87 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 54/54 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 420 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 54/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (OVERLAPS) 7/87 variables, 7/181 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 7/188 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 0/188 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 7 (OVERLAPS) 80/167 variables, 87/275 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/167 variables, 20/295 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/167 variables, 420/715 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/167 variables, 20/735 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/167 variables, 20/755 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/167 variables, 20/775 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/167 variables, 19/794 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 167/167 variables, and 805 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30033 ms.
Refiners :[Domain max(s): 87/87 constraints, Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 87/87 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 144/144 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60542ms problems are : Problem set: 0 solved, 420 unsolved
Search for dead transitions found 0 dead transitions in 60572ms
Finished structural reductions in LTL mode , in 1 iterations and 61365 ms. Remains : 87/87 places, 440/440 transitions.
Support contains 26 out of 87 places after structural reductions.
[2026-05-24 15:44:04] [INFO ] Flatten gal took : 154 ms
[2026-05-24 15:44:04] [INFO ] Flatten gal took : 91 ms
[2026-05-24 15:44:04] [INFO ] Input system was already deterministic with 440 transitions.
RANDOM walk for 40000 steps (8 resets) in 2653 ms. (15 steps per ms) remains 3/15 properties
BEST_FIRST walk for 40004 steps (8 resets) in 372 ms. (107 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 1/2 properties
[2026-05-24 15:44:06] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:06] [INFO ] Invariant cache hit.
[2026-05-24 15:44:06] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/4 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/7 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/7 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/7 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3/10 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/10 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/10 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 8/18 variables, 10/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/18 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 36/54 variables, 20/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/54 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 95/149 variables, 59/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/149 variables, 59/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/149 variables, 18/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/149 variables, 5/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/149 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 18/167 variables, 18/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/167 variables, 18/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/167 variables, 18/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (INCLUDED_ONLY) 0/167 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (OVERLAPS) 0/167 variables, 0/241 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 167/167 variables, and 241 constraints, problems are : Problem set: 0 solved, 1 unsolved in 283 ms.
Refiners :[Domain max(s): 87/87 constraints, Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 87/87 constraints, ReadFeed: 20/20 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) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 2/4 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 2/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1/5 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 2/7 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/7 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/7 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 3/10 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/10 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/10 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/10 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 8/18 variables, 10/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/18 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 36/54 variables, 20/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/54 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 95/149 variables, 59/106 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/149 variables, 59/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/149 variables, 18/183 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/149 variables, 5/188 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/149 variables, 1/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/149 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/149 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 26 (OVERLAPS) 18/167 variables, 18/208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/167 variables, 18/226 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (INCLUDED_ONLY) 0/167 variables, 18/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 29 (INCLUDED_ONLY) 0/167 variables, 0/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 30 (OVERLAPS) 0/167 variables, 1/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 31 (INCLUDED_ONLY) 0/167 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 32 (OVERLAPS) 0/167 variables, 5/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 33 (INCLUDED_ONLY) 0/167 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 34 (OVERLAPS) 0/167 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 167/167 variables, and 250 constraints, problems are : Problem set: 0 solved, 1 unsolved in 690 ms.
Refiners :[Domain max(s): 87/87 constraints, Positive P Invariants (semi-flows): 40/40 constraints, Generalized P Invariants (flows): 7/7 constraints, State Equation: 87/87 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 984ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 181 steps, including 9 resets, run visited all 1 properties in 11 ms. (steps per millisecond=16 )
Parikh walk visited 1 properties in 20 ms.
FORMULA Dekker-PT-020-LTLCardinality-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X((F(p0) U !p1))||G(p0)))))'
Support contains 4 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 18 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:44:07] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:07] [INFO ] Invariant cache hit.
[2026-05-24 15:44:07] [INFO ] Implicit Places using invariants in 318 ms returned [42, 55, 66, 76, 79, 84]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 321 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 81/87 places, 440/440 transitions.
Applied a total of 0 rules in 9 ms. Remains 81 /81 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 350 ms. Remains : 81/87 places, 440/440 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((X((F(p0) U !p1))||G(p0)))))'
Stuttering acceptance computed with spot in 399 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-00
Product exploration explored 100000 steps with 0 reset in 1056 ms.
Stack based approach found an accepted trace after 14 steps with 0 reset with depth 15 and stack size 15 in 1 ms.
FORMULA Dekker-PT-020-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLCardinality-00 finished in 1951 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((X(!p0)||G(!p1))) U ((!p0&&X((X(!p0)||G(!p1))))||X(G((X(!p0)||G(!p1)))))))'
Support contains 4 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 16 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:44:09] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:09] [INFO ] Invariant cache hit.
[2026-05-24 15:44:09] [INFO ] Implicit Places using invariants in 281 ms returned [42, 55, 69, 79, 84]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 283 ms to find 5 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 82/87 places, 440/440 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 305 ms. Remains : 82/87 places, 440/440 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((X(!p0)||G(!p1))) U (X(G((X(!p0)||G(!p1))))||(!p0&&X((X(!p0)||G(!p1)))))))'
Stuttering acceptance computed with spot in 385 ms :[(AND p0 p1), (AND p1 p0), p0, (AND p1 p0), true, (AND p1 p0), (AND p1 p0), p1, false]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-03
Entered a terminal (fully accepting) state of product in 53 steps with 17 reset in 1 ms.
FORMULA Dekker-PT-020-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLCardinality-03 finished in 757 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 U p1))))'
Support contains 4 out of 87 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 51 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:44:10] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:10] [INFO ] Invariant cache hit.
[2026-05-24 15:44:10] [INFO ] Implicit Places using invariants in 240 ms returned [42, 55, 66, 76, 79, 84]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 242 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 81/87 places, 440/440 transitions.
Applied a total of 0 rules in 59 ms. Remains 81 /81 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 352 ms. Remains : 81/87 places, 440/440 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 U p1))))'
Stuttering acceptance computed with spot in 112 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-04
Product exploration explored 100000 steps with 1443 reset in 763 ms.
Stack based approach found an accepted trace after 141 steps with 2 reset with depth 14 and stack size 13 in 1 ms.
FORMULA Dekker-PT-020-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLCardinality-04 finished in 1265 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 87 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 17 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:44:11] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:11] [INFO ] Invariant cache hit.
[2026-05-24 15:44:11] [INFO ] Implicit Places using invariants in 273 ms returned [42, 55, 66, 69, 76, 79, 84]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 275 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 80/87 places, 440/440 transitions.
Applied a total of 0 rules in 14 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 306 ms. Remains : 80/87 places, 440/440 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-05
Product exploration explored 100000 steps with 0 reset in 486 ms.
Product exploration explored 100000 steps with 0 reset in 788 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 79 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 481 ms. (82 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1043343 steps, run timeout after 3001 ms. (steps per millisecond=347 ) properties seen :0 out of 1
Probabilistic random walk after 1043343 steps, saw 530612 distinct states, run finished after 3018 ms. (steps per millisecond=345 ) properties seen :0
[2026-05-24 15:44:16] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6525420604445708371.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1589142346677345892.kers'
[2026-05-24 15:44:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6525420604445708371.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1589142346677345892.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 80 rows 60 cols 160 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-24 15:44:16] [INFO ] Computed 40 invariants in 0 ms
Computed 40 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1589142346677345892.kers
Total runtime 1 ms.
[2026-05-24 15:44:16] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 4/6 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/8 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 8/16 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 36/52 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/52 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/142 variables, 54/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/142 variables, 54/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/142 variables, 18/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/142 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 18/160 variables, 18/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/160 variables, 18/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/160 variables, 18/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/160 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/160 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 220 constraints, problems are : Problem set: 0 solved, 1 unsolved in 174 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 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) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 4/6 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/8 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/8 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 8/16 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 36/52 variables, 20/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/52 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/142 variables, 54/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/142 variables, 54/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/142 variables, 18/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/142 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/142 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/142 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/160 variables, 18/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/160 variables, 18/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/160 variables, 18/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/160 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/160 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/160 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/160 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 160/160 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 618 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 808ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 2 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 440/440 transitions.
Applied a total of 0 rules in 17 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 80/80 places, 440/440 transitions.
RANDOM walk for 40000 steps (8 resets) in 386 ms. (103 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 124 ms. (320 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1262436 steps, run timeout after 3001 ms. (steps per millisecond=420 ) properties seen :0 out of 1
Probabilistic random walk after 1262436 steps, saw 627646 distinct states, run finished after 3001 ms. (steps per millisecond=420 ) properties seen :0
[2026-05-24 15:44:20] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:20] [INFO ] Invariant cache hit.
[2026-05-24 15:44:20] [INFO ] State equation strengthened by 20 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 4/6 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 2/8 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/8 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 8/16 variables, 8/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/16 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 36/52 variables, 20/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/52 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/142 variables, 54/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/142 variables, 54/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/142 variables, 18/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/142 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 18/160 variables, 18/184 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/160 variables, 18/202 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/160 variables, 18/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/160 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/160 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 220 constraints, problems are : Problem set: 0 solved, 1 unsolved in 175 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 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) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 4/6 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/6 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/6 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 2/8 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/8 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/8 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 8/16 variables, 8/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/16 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 36/52 variables, 20/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/52 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/142 variables, 54/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/142 variables, 54/149 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/142 variables, 18/167 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/142 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/142 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/142 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 18/160 variables, 18/187 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/160 variables, 18/205 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/160 variables, 18/223 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/160 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/160 variables, 4/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/160 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (OVERLAPS) 0/160 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 160/160 variables, and 228 constraints, problems are : Problem set: 0 solved, 1 unsolved in 640 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 823ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 2 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 440/440 transitions.
Applied a total of 0 rules in 17 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 80/80 places, 440/440 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 440/440 transitions.
Applied a total of 0 rules in 17 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:44:21] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:21] [INFO ] Invariant cache hit.
[2026-05-24 15:44:21] [INFO ] Implicit Places using invariants in 247 ms returned []
[2026-05-24 15:44:21] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:21] [INFO ] Invariant cache hit.
[2026-05-24 15:44:21] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-24 15:44:21] [INFO ] Implicit Places using invariants and state equation in 323 ms returned []
Implicit Place search using SMT with State Equation took 572 ms to find 0 implicit places.
[2026-05-24 15:44:21] [INFO ] Redundant transitions in 53 ms returned []
Running 420 sub problems to find dead transitions.
[2026-05-24 15:44:21] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:44:21] [INFO ] Invariant cache hit.
[2026-05-24 15:44:21] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 20/140 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 20/160 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/80 variables, 14/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/80 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 6 (OVERLAPS) 80/160 variables, 80/254 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 20/274 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 9 (OVERLAPS) 0/160 variables, 0/274 constraints. Problems are: Problem set: 0 solved, 420 unsolved
No progress, stopping.
After SMT solving in domain Real declared 160/160 variables, and 274 constraints, problems are : Problem set: 0 solved, 420 unsolved in 28819 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 54/54 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 420 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 80/80 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 40/120 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/80 variables, 54/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/80 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 4 (OVERLAPS) 80/160 variables, 80/254 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/160 variables, 20/274 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 420/694 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 20/714 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 20/734 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 20/754 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 17/771 constraints. Problems are: Problem set: 0 solved, 420 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/160 variables, 15/786 constraints. Problems are: Problem set: 0 solved, 420 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 160/160 variables, and 793 constraints, problems are : Problem set: 0 solved, 420 unsolved in 30031 ms.
Refiners :[Domain max(s): 80/80 constraints, Positive P Invariants (semi-flows): 40/40 constraints, State Equation: 80/80 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 420/420 constraints, Known Traps: 153/153 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 59040ms problems are : Problem set: 0 solved, 420 unsolved
Search for dead transitions found 0 dead transitions in 59051ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 59707 ms. Remains : 80/80 places, 440/440 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (complete) has 120 edges and 80 vertex of which 8 are kept as prefixes of interest. Removing 72 places using SCC suffix rule.3 ms
Discarding 72 places :
Also discarding 396 output transitions
Drop transitions (Output transitions of discarded places.) removed 396 transitions
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 37 place count 8 transition count 8
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 2 places and 0 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 40 place count 6 transition count 7
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 41 place count 6 transition count 6
Applied a total of 41 rules in 32 ms. Remains 6 /80 variables (removed 74) and now considering 6/440 (removed 434) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14213034398500567048.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5135802282231843992.kers'
[2026-05-24 15:45:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14213034398500567048.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5135802282231843992.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 6 rows 4 cols 10 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-05-24 15:45:21] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5135802282231843992.kers
Total runtime 1 ms.
[2026-05-24 15:45:21] [INFO ] After 25ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 15:45:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2026-05-24 15:45:21] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 15:45:21] [INFO ] After 14ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 15:45:21] [INFO ] After 56ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 139 ms.
Knowledge based reduction with 2 factoid took 105 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 68252 ms.
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 80 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 80/80 places, 440/440 transitions.
Applied a total of 0 rules in 23 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:21] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11876142838835922989.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11827291693063226079.kers'
[2026-05-24 15:45:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11876142838835922989.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11827291693063226079.kers]
Culling duplicate invariants (modulo rational): removing 20 columns.
Culled 20 columns in 0 ms.
// Phase 1: matrix 80 rows 60 cols 160 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-24 15:45:21] [INFO ] Computed 40 invariants in 0 ms
Computed 40 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11827291693063226079.kers
Total runtime 2 ms.
[2026-05-24 15:45:21] [INFO ] Implicit Places using invariants in 271 ms returned []
[2026-05-24 15:45:21] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:21] [INFO ] Invariant cache hit.
[2026-05-24 15:45:21] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-24 15:45:22] [INFO ] Implicit Places using invariants and state equation in 326 ms returned []
Implicit Place search using SMT with State Equation took 601 ms to find 0 implicit places.
[2026-05-24 15:45:22] [INFO ] Redundant transitions in 15 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 650 ms. Remains : 80/80 places, 440/440 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge based reduction with 2 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
RANDOM walk for 40000 steps (8 resets) in 420 ms. (95 steps per ms) remains 1/1 properties
BEST_FIRST walk for 30045 steps (6 resets) in 97 ms. (306 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 121 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0)]
Knowledge-based reduction took 517 ms.
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 98 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 761 ms.
Product exploration explored 100000 steps with 0 reset in 686 ms.
Built C files in :
/tmp/ltsmin10254135260791056445
[2026-05-24 15:45:24] [INFO ] Computing symmetric may disable matrix : 440 transitions.
[2026-05-24 15:45:24] [INFO ] Computation of Complete disable matrix. took 7 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 15:45:24] [INFO ] Computing symmetric may enable matrix : 440 transitions.
[2026-05-24 15:45:24] [INFO ] Computation of Complete enable matrix. took 6 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 15:45:24] [INFO ] Computing Do-Not-Accords matrix : 440 transitions.
[2026-05-24 15:45:24] [INFO ] Computation of Completed DNA matrix. took 22 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 15:45:24] [INFO ] Built C files in 145ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10254135260791056445
Running compilation step : cd /tmp/ltsmin10254135260791056445;'/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 2344 ms.
Running link step : cd /tmp/ltsmin10254135260791056445;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 94 ms.
Running LTSmin : cd /tmp/ltsmin10254135260791056445;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased2698550691893604990.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 80 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 80/80 places, 440/440 transitions.
Applied a total of 0 rules in 12 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:39] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:39] [INFO ] Invariant cache hit.
[2026-05-24 15:45:39] [INFO ] Implicit Places using invariants in 237 ms returned []
[2026-05-24 15:45:39] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:39] [INFO ] Invariant cache hit.
[2026-05-24 15:45:39] [INFO ] State equation strengthened by 20 read => feed constraints.
[2026-05-24 15:45:39] [INFO ] Implicit Places using invariants and state equation in 306 ms returned []
Implicit Place search using SMT with State Equation took 546 ms to find 0 implicit places.
[2026-05-24 15:45:39] [INFO ] Redundant transitions in 6 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 572 ms. Remains : 80/80 places, 440/440 transitions.
Built C files in :
/tmp/ltsmin4147780134368897695
[2026-05-24 15:45:39] [INFO ] Computing symmetric may disable matrix : 440 transitions.
[2026-05-24 15:45:39] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 15:45:39] [INFO ] Computing symmetric may enable matrix : 440 transitions.
[2026-05-24 15:45:39] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 15:45:40] [INFO ] Computing Do-Not-Accords matrix : 440 transitions.
[2026-05-24 15:45:40] [INFO ] Computation of Completed DNA matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-24 15:45:40] [INFO ] Built C files in 63ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4147780134368897695
Running compilation step : cd /tmp/ltsmin4147780134368897695;'/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 2372 ms.
Running link step : cd /tmp/ltsmin4147780134368897695;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 65 ms.
Running LTSmin : cd /tmp/ltsmin4147780134368897695;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased7957447091195421468.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2026-05-24 15:45:55] [INFO ] Flatten gal took : 58 ms
[2026-05-24 15:45:55] [INFO ] Flatten gal took : 50 ms
[2026-05-24 15:45:55] [INFO ] Time to serialize gal into /tmp/LTL17946140754813144974.gal : 10 ms
[2026-05-24 15:45:55] [INFO ] Time to serialize properties into /tmp/LTL10700465316784497938.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL17946140754813144974.gal' '-t' 'CGAL' '-hoa' '/tmp/aut4061580097039385227.hoa' '-atoms' '/tmp/LTL10700465316784497938.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...319
Loading property file /tmp/LTL10700465316784497938.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut4061580097039385227.hoa
Reverse transition relation is NOT exact ! Due to transitions t21, t43, t65, t87, t109, t131, t153, t175, t197, t219, t241, t263, t285, t307, t329, t351, t...278
3 unique states visited
3 strongly connected components in search stack
4 transitions explored
3 items max in DFS search stack
50 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.631495,25816,1,0,911,69415,910,443,7043,41375,905
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA Dekker-PT-020-LTLCardinality-05 FALSE TECHNIQUES KNOWLEDGE HOA DECISION_DIAGRAMS TOPOLOGICAL
Treatment of property Dekker-PT-020-LTLCardinality-05 finished in 104530 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(!p0))||(F(!p0)&&X(X(X(F(!p1)))))))))'
Support contains 4 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:55] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6277055686395338747.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11845279462451196534.kers'
[2026-05-24 15:45:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6277055686395338747.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11845279462451196534.kers]
Culling duplicate invariants (modulo rational): removing 27 columns.
Culled 27 columns in 0 ms.
// Phase 1: matrix 80 rows 60 cols 160 entries
Finished phase 1 with 40 SingleSign rule and 0 generalized
[2026-05-24 15:45:55] [INFO ] Computed 47 invariants in 0 ms
Computed 47 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11845279462451196534.kers
Total runtime 1 ms.
[2026-05-24 15:45:56] [INFO ] Implicit Places using invariants in 329 ms returned [42, 55, 69, 76, 79, 84]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 332 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 81/87 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 339 ms. Remains : 81/87 places, 440/440 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(p0))||(F(p0)&&X(X(X(F(p1)))))))))'
Stuttering acceptance computed with spot in 433 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-08
Product exploration explored 100000 steps with 8745 reset in 917 ms.
Stack based approach found an accepted trace after 256 steps with 25 reset with depth 14 and stack size 14 in 2 ms.
FORMULA Dekker-PT-020-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLCardinality-08 finished in 1753 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 87 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 14 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:57] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:57] [INFO ] Invariant cache hit.
[2026-05-24 15:45:57] [INFO ] Implicit Places using invariants in 199 ms returned [42, 55, 66, 69, 76, 79, 84]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 200 ms to find 7 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 80/87 places, 440/440 transitions.
Applied a total of 0 rules in 13 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 227 ms. Remains : 80/87 places, 440/440 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 35 ms :[(NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-10
Product exploration explored 100000 steps with 0 reset in 701 ms.
Stack based approach found an accepted trace after 15 steps with 0 reset with depth 16 and stack size 16 in 1 ms.
FORMULA Dekker-PT-020-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLCardinality-10 finished in 990 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((p0||X(p1))))))'
Support contains 4 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:58] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:58] [INFO ] Invariant cache hit.
[2026-05-24 15:45:58] [INFO ] Implicit Places using invariants in 186 ms returned [42, 55, 66, 69, 76, 84]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 188 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 81/87 places, 440/440 transitions.
Applied a total of 0 rules in 1 ms. Remains 81 /81 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 192 ms. Remains : 81/87 places, 440/440 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((X(p0)||p1)))))'
Stuttering acceptance computed with spot in 239 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 842 steps with 172 reset in 9 ms.
FORMULA Dekker-PT-020-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLCardinality-11 finished in 471 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&F(!p0))))'
Support contains 2 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:59] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:59] [INFO ] Invariant cache hit.
[2026-05-24 15:45:59] [INFO ] Implicit Places using invariants in 299 ms returned [42, 55, 66, 69, 76, 79, 84]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 301 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/87 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 307 ms. Remains : 80/87 places, 440/440 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&F(!p0))))'
Stuttering acceptance computed with spot in 220 ms :[true, true, (NOT p0), p0, true]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA Dekker-PT-020-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Dekker-PT-020-LTLCardinality-14 finished in 572 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))))))'
Support contains 1 out of 87 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 87/87 places, 440/440 transitions.
Applied a total of 0 rules in 2 ms. Remains 87 /87 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-24 15:45:59] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
[2026-05-24 15:45:59] [INFO ] Invariant cache hit.
[2026-05-24 15:46:00] [INFO ] Implicit Places using invariants in 300 ms returned [42, 55, 66, 69, 76, 79, 84]
Discarding 7 places :
Implicit Place search using SMT only with invariants took 302 ms to find 7 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/87 places, 440/440 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 308 ms. Remains : 80/87 places, 440/440 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))))))'
Stuttering acceptance computed with spot in 210 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Dekker-PT-020-LTLCardinality-15
Product exploration explored 100000 steps with 4592 reset in 768 ms.
Stack based approach found an accepted trace after 11 steps with 0 reset with depth 12 and stack size 12 in 3 ms.
FORMULA Dekker-PT-020-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Dekker-PT-020-LTLCardinality-15 finished in 1336 ms.
All properties solved by simple procedures.
Total runtime 180745 ms.

BK_STOP 1779637561162

--------------------
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="Dekker-PT-020"
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 Dekker-PT-020, 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 r082-smll-177946993600267"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-020.tgz
mv Dekker-PT-020 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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