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.r194-tall-177969914300675.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 Peterson-COL-5, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914300675
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 9.0K Mar 8 07:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 8 07:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 8 07:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 8 07:04 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 4.1K Mar 16 08:29 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 16 08:29 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 16 08:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 16 08:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 8 07:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 8 07:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.7K Mar 8 07:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 8 07:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 16 08:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 16 08:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 45K 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 Peterson-COL-5-LTLCardinality-00
FORMULA_NAME Peterson-COL-5-LTLCardinality-01
FORMULA_NAME Peterson-COL-5-LTLCardinality-02
FORMULA_NAME Peterson-COL-5-LTLCardinality-03
FORMULA_NAME Peterson-COL-5-LTLCardinality-04
FORMULA_NAME Peterson-COL-5-LTLCardinality-05
FORMULA_NAME Peterson-COL-5-LTLCardinality-06
FORMULA_NAME Peterson-COL-5-LTLCardinality-07
FORMULA_NAME Peterson-COL-5-LTLCardinality-08
FORMULA_NAME Peterson-COL-5-LTLCardinality-09
FORMULA_NAME Peterson-COL-5-LTLCardinality-10
FORMULA_NAME Peterson-COL-5-LTLCardinality-11
FORMULA_NAME Peterson-COL-5-LTLCardinality-12
FORMULA_NAME Peterson-COL-5-LTLCardinality-13
FORMULA_NAME Peterson-COL-5-LTLCardinality-14
FORMULA_NAME Peterson-COL-5-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779810144801

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-COL-5
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLCardinality COL
Running Version 202604301425
[2026-05-26 15:42:25] [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]
[2026-05-26 15:42:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 15:42:26] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2026-05-26 15:42:26] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 15:42:26] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 574 ms
[2026-05-26 15:42:26] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 864 PT places and 1398.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 13 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 15:42:26] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 5 ms.
[2026-05-26 15:42:26] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 4 formulas.
FORMULA Peterson-COL-5-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-5-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-5-LTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-COL-5-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 2 stabilizing places and 0 stable transitions
Remains 12 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
FORMULA Peterson-COL-5-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 595 steps (0 resets) in 33 ms. (17 steps per ms) remains 0/21 properties
[2026-05-26 15:42:26] [INFO ] Flatten gal took : 18 ms
[2026-05-26 15:42:26] [INFO ] Flatten gal took : 3 ms
Domain [Process(6), Tour(5), Process(6)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 5)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$i, 0]] contains constants of sort Bool
Transition Ask : constants on arcs in [[1:1*[$i, 0]]] introduces in Bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2026-05-26 15:42:27] [INFO ] Unfolded HLPN to a Petri net with 864 places and 1302 transitions 4068 arcs in 40 ms.
[2026-05-26 15:42:27] [INFO ] Unfolded 11 HLPN properties in 1 ms.
Deduced a syphon composed of 30 places in 10 ms
Reduce places removed 30 places and 60 transitions.
Support contains 792 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 25 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:42:27] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6852609587118191069.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1472295587983235117.kers'
[2026-05-26 15:42:27] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6852609587118191069.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1472295587983235117.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 1122 rows 822 cols 2544 entries
Finished phase 1 with 811 SingleSign rule and 0 generalized
[2026-05-26 15:42:27] [INFO ] Computed 23 invariants in 4 ms
Computed 23 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1472295587983235117.kers
Total runtime 5 ms.
[2026-05-26 15:42:27] [INFO ] Implicit Places using invariants in 572 ms returned []
[2026-05-26 15:42:27] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:42:27] [INFO ] Invariant cache hit.
[2026-05-26 15:42:28] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:42:29] [INFO ] Implicit Places using invariants and state equation in 1939 ms returned []
Implicit Place search using SMT with State Equation took 2540 ms to find 0 implicit places.
Running 1236 sub problems to find dead transitions.
[2026-05-26 15:42:29] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:42:29] [INFO ] Invariant cache hit.
[2026-05-26 15:42:29] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/1956 variables, and 5 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 5/17 constraints, Generalized P Invariants (flows): 0/6 constraints, State Equation: 0/834 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 1236/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/828 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 2 (OVERLAPS) 6/834 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/834 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 834/1956 variables, and 23 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30040 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 0/834 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 0/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60435ms problems are : Problem set: 0 solved, 1236 unsolved
Search for dead transitions found 0 dead transitions in 60454ms
Finished structural reductions in LTL mode , in 1 iterations and 63054 ms. Remains : 834/834 places, 1242/1242 transitions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 8 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:43:30] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:43:30] [INFO ] Invariant cache hit.
[2026-05-26 15:43:30] [INFO ] Implicit Places using invariants in 374 ms returned []
[2026-05-26 15:43:30] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:43:30] [INFO ] Invariant cache hit.
[2026-05-26 15:43:30] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:43:32] [INFO ] Implicit Places using invariants and state equation in 1658 ms returned []
Implicit Place search using SMT with State Equation took 2034 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 2044 ms. Remains : 834/834 places, 1242/1242 transitions.
Support contains 792 out of 834 places after structural reductions.
[2026-05-26 15:43:32] [INFO ] Flatten gal took : 78 ms
[2026-05-26 15:43:32] [INFO ] Flatten gal took : 56 ms
[2026-05-26 15:43:32] [INFO ] Input system was already deterministic with 1242 transitions.
RANDOM walk for 40000 steps (8 resets) in 942 ms. (42 steps per ms) remains 1/18 properties
BEST_FIRST walk for 40004 steps (8 resets) in 134 ms. (296 steps per ms) remains 1/1 properties
[2026-05-26 15:43:32] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:43:32] [INFO ] Invariant cache hit.
[2026-05-26 15:43:32] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 786/792 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/792 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/798 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/798 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/804 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/804 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/804 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1122/1926 variables, 804/824 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1926 variables, 205/1029 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1926 variables, 0/1029 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/1956 variables, 30/1059 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1956 variables, 5/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1956 variables, 0/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/1956 variables, 0/1064 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1956/1956 variables, and 1064 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1285 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 834/834 constraints, ReadFeed: 205/205 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 786/792 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/792 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/798 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/798 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/804 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/804 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/804 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1122/1926 variables, 804/824 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1926 variables, 205/1029 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1926 variables, 1/1030 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1926 variables, 0/1030 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 30/1956 variables, 30/1060 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1956 variables, 5/1065 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SMT process timed out in 6547ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 6 out of 834 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 360 transitions
Trivial Post-agglo rules discarded 360 transitions
Performed 360 trivial Post agglomeration. Transition count delta: 360
Iterating post reduction 0 with 360 rules applied. Total rules applied 360 place count 834 transition count 882
Reduce places removed 360 places and 0 transitions.
Iterating post reduction 1 with 360 rules applied. Total rules applied 720 place count 474 transition count 882
Performed 174 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 174 Pre rules applied. Total rules applied 720 place count 474 transition count 708
Deduced a syphon composed of 174 places in 1 ms
Reduce places removed 174 places and 0 transitions.
Iterating global reduction 2 with 348 rules applied. Total rules applied 1068 place count 300 transition count 708
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 1128 place count 270 transition count 678
Applied a total of 1128 rules in 111 ms. Remains 270 /834 variables (removed 564) and now considering 678/1242 (removed 564) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 111 ms. Remains : 270/834 places, 678/1242 transitions.
RANDOM walk for 40000 steps (8 resets) in 251 ms. (158 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 104 ms. (380 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 962052 steps, run timeout after 3001 ms. (steps per millisecond=320 ) properties seen :0 out of 1
Probabilistic random walk after 962052 steps, saw 139269 distinct states, run finished after 3005 ms. (steps per millisecond=320 ) properties seen :0
[2026-05-26 15:43:42] [INFO ] Flow matrix only has 558 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14083490283638528501.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-461579825632080584.kers'
[2026-05-26 15:43:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14083490283638528501.kers, --Pflows, --basisKERS=/tmp/petrispot-output-461579825632080584.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 558 rows 258 cols 1416 entries
Finished phase 1 with 247 SingleSign rule and 0 generalized
[2026-05-26 15:43:42] [INFO ] Computed 23 invariants in 3 ms
Computed 23 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-461579825632080584.kers
Total runtime 4 ms.
[2026-05-26 15:43:42] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 222/228 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/234 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/240 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 558/798 variables, 240/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/798 variables, 205/463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/798 variables, 0/463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 30/828 variables, 30/493 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/828 variables, 5/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/828 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/828 variables, 0/498 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 828/828 variables, and 498 constraints, problems are : Problem set: 0 solved, 1 unsolved in 276 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 270/270 constraints, ReadFeed: 205/205 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) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 222/228 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/228 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 6/234 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/234 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/240 variables, 6/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 558/798 variables, 240/258 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/798 variables, 205/463 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/798 variables, 1/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/798 variables, 0/464 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 30/828 variables, 30/494 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/828 variables, 5/499 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/828 variables, 20/519 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/828 variables, 20/539 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/828 variables, 20/559 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/828 variables, 20/579 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/828 variables, 20/599 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/828 variables, 20/619 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp1 is UNSAT
After SMT solving in domain Int declared 828/828 variables, and 620 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20823 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 270/270 constraints, ReadFeed: 205/205 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 121/121 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 21117ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA Peterson-COL-5-LTLCardinality-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 10 simplifications.
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(X((G(!p0)||X(X(F(p0)))))))'
Support contains 36 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 31 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:44:04] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15977615964885318336.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17788778831754916046.kers'
[2026-05-26 15:44:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15977615964885318336.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17788778831754916046.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 1122 rows 822 cols 2544 entries
Finished phase 1 with 811 SingleSign rule and 0 generalized
[2026-05-26 15:44:04] [INFO ] Computed 23 invariants in 11 ms
Computed 23 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-17788778831754916046.kers
Total runtime 12 ms.
[2026-05-26 15:44:04] [INFO ] Implicit Places using invariants in 577 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 580 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 20 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 633 ms. Remains : 828/834 places, 1242/1242 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0)||X(X(F(!p0)))))))'
Stuttering acceptance computed with spot in 428 ms :[p0, false, p0, false, false, false]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-01
Product exploration explored 100000 steps with 20000 reset in 503 ms.
Product exploration explored 100000 steps with 20000 reset in 335 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 69 ms. Reduced automaton from 6 states, 7 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 737 steps (0 resets) in 9 ms. (73 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 51 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 201 ms :[p0, p0, p0, p0, p0]
Knowledge-based reduction took 351 ms.
Stuttering acceptance computed with spot in 224 ms :[p0, p0, p0, p0, p0]
Support contains 36 out of 828 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 828/828 places, 1242/1242 transitions.
Applied a total of 0 rules in 17 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:44:06] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13818061780330318717.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10592468374357361317.kers'
[2026-05-26 15:44:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13818061780330318717.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10592468374357361317.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 2 ms.
// Phase 1: matrix 1122 rows 822 cols 2544 entries
Finished phase 1 with 811 SingleSign rule and 0 generalized
[2026-05-26 15:44:06] [INFO ] Computed 17 invariants in 12 ms
Computed 17 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-10592468374357361317.kers
Total runtime 14 ms.
[2026-05-26 15:44:07] [INFO ] Implicit Places using invariants in 537 ms returned []
[2026-05-26 15:44:07] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:44:07] [INFO ] Invariant cache hit.
[2026-05-26 15:44:07] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:44:11] [INFO ] Implicit Places using invariants and state equation in 4087 ms returned []
Implicit Place search using SMT with State Equation took 4630 ms to find 0 implicit places.
Running 1236 sub problems to find dead transitions.
[2026-05-26 15:44:11] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:44:11] [INFO ] Invariant cache hit.
[2026-05-26 15:44:11] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/828 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/828 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/1950 variables, and 57 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 0/828 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 1236/1236 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/828 variables, 40/57 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/828 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/828 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/828 variables, 20/117 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 828/1950 variables, and 127 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30033 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 0/828 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 0/1236 constraints, Known Traps: 110/110 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60305ms problems are : Problem set: 0 solved, 1236 unsolved
Search for dead transitions found 0 dead transitions in 60309ms
Finished structural reductions in LTL mode , in 1 iterations and 64966 ms. Remains : 828/828 places, 1242/1242 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 1 factoid took 57 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 622 steps (0 resets) in 8 ms. (69 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 71 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 209 ms :[p0, p0, p0, p0, p0]
Knowledge-based reduction took 356 ms.
Stuttering acceptance computed with spot in 235 ms :[p0, p0, p0, p0, p0]
Stuttering acceptance computed with spot in 203 ms :[p0, p0, p0, p0, p0]
Product exploration explored 100000 steps with 20000 reset in 292 ms.
Product exploration explored 100000 steps with 20000 reset in 284 ms.
Spot run failed in 74 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/ltsmin6110371605026618214
[2026-05-26 15:45:13] [INFO ] Built C files in 32ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6110371605026618214
Running compilation step : cd /tmp/ltsmin6110371605026618214;'/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 2156 ms.
Running link step : cd /tmp/ltsmin6110371605026618214;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin6110371605026618214;'/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/stateBased14584802322184307903.hoa' '--buchi-type=spotba'
LTSmin run took 190 ms.
FORMULA Peterson-COL-5-LTLCardinality-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property Peterson-COL-5-LTLCardinality-01 finished in 71492 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(p1))) U (p0&&(X(p2) U (X(G(p2))||(p3&&X(p2))))))))'
Support contains 522 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 12 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:45:15] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6535594876530383575.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12406010242371229267.kers'
[2026-05-26 15:45:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6535594876530383575.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12406010242371229267.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 1 ms.
// Phase 1: matrix 1122 rows 822 cols 2544 entries
Finished phase 1 with 811 SingleSign rule and 0 generalized
[2026-05-26 15:45:15] [INFO ] Computed 23 invariants in 7 ms
Computed 23 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-12406010242371229267.kers
Total runtime 9 ms.
[2026-05-26 15:45:15] [INFO ] Implicit Places using invariants in 398 ms returned []
[2026-05-26 15:45:15] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:45:15] [INFO ] Invariant cache hit.
[2026-05-26 15:45:16] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:45:19] [INFO ] Implicit Places using invariants and state equation in 3215 ms returned []
Implicit Place search using SMT with State Equation took 3616 ms to find 0 implicit places.
Running 1236 sub problems to find dead transitions.
[2026-05-26 15:45:19] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:45:19] [INFO ] Invariant cache hit.
[2026-05-26 15:45:19] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/1956 variables, and 5 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/17 constraints, Generalized P Invariants (flows): 0/6 constraints, State Equation: 0/834 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 1236/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/828 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 2 (OVERLAPS) 6/834 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/834 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
SMT process timed out in 60489ms, After SMT, problems are : Problem set: 0 solved, 1236 unsolved
Search for dead transitions found 0 dead transitions in 60493ms
Finished structural reductions in LTL mode , in 1 iterations and 64130 ms. Remains : 834/834 places, 1242/1242 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(p1))) U (p0&&(X(p2) U (X(G(p2))||(p3&&X(p2))))))))'
Stuttering acceptance computed with spot in 372 ms :[(OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p2)), (OR (NOT p0) (NOT p1)), (NOT p2), (AND (NOT p0) (NOT p2)), (AND p0 (NOT p1) (NOT p2)), (NOT p1), (AND p0 (NOT p1) (NOT p2))]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-02
Product exploration explored 100000 steps with 28460 reset in 1929 ms.
Stack based approach found an accepted trace after 30183 steps with 8620 reset with depth 91 and stack size 91 in 602 ms.
FORMULA Peterson-COL-5-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-5-LTLCardinality-02 finished in 67105 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 36 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 360 transitions
Trivial Post-agglo rules discarded 360 transitions
Performed 360 trivial Post agglomeration. Transition count delta: 360
Iterating post reduction 0 with 360 rules applied. Total rules applied 360 place count 834 transition count 882
Reduce places removed 360 places and 0 transitions.
Iterating post reduction 1 with 360 rules applied. Total rules applied 720 place count 474 transition count 882
Performed 150 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 150 Pre rules applied. Total rules applied 720 place count 474 transition count 732
Deduced a syphon composed of 150 places in 0 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 1020 place count 324 transition count 732
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 1080 place count 294 transition count 702
Applied a total of 1080 rules in 48 ms. Remains 294 /834 variables (removed 540) and now considering 702/1242 (removed 540) transitions.
[2026-05-26 15:46:22] [INFO ] Flow matrix only has 582 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13161658887184349421.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12954535817527726508.kers'
[2026-05-26 15:46:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13161658887184349421.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12954535817527726508.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 582 rows 282 cols 1464 entries
Finished phase 1 with 271 SingleSign rule and 0 generalized
[2026-05-26 15:46:22] [INFO ] Computed 23 invariants in 2 ms
Computed 23 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12954535817527726508.kers
Total runtime 3 ms.
[2026-05-26 15:46:22] [INFO ] Implicit Places using invariants in 199 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 201 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 288/834 places, 702/1242 transitions.
Applied a total of 0 rules in 12 ms. Remains 288 /288 variables (removed 0) and now considering 702/702 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 263 ms. Remains : 288/834 places, 702/1242 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-03
Product exploration explored 100000 steps with 721 reset in 261 ms.
Stack based approach found an accepted trace after 18 steps with 0 reset with depth 19 and stack size 19 in 0 ms.
FORMULA Peterson-COL-5-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-5-LTLCardinality-03 finished in 651 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 240 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Performed 180 Post agglomeration using F-continuation condition.Transition count delta: 180
Iterating post reduction 0 with 180 rules applied. Total rules applied 180 place count 834 transition count 1062
Reduce places removed 180 places and 0 transitions.
Iterating post reduction 1 with 180 rules applied. Total rules applied 360 place count 654 transition count 1062
Applied a total of 360 rules in 39 ms. Remains 654 /834 variables (removed 180) and now considering 1062/1242 (removed 180) transitions.
[2026-05-26 15:46:23] [INFO ] Flow matrix only has 942 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3019803184078904675.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11788270477009707531.kers'
[2026-05-26 15:46:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3019803184078904675.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11788270477009707531.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 942 rows 642 cols 2184 entries
Finished phase 1 with 631 SingleSign rule and 0 generalized
[2026-05-26 15:46:23] [INFO ] Computed 23 invariants in 3 ms
Computed 23 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-11788270477009707531.kers
Total runtime 4 ms.
[2026-05-26 15:46:23] [INFO ] Implicit Places using invariants in 436 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 438 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 648/834 places, 1062/1242 transitions.
Applied a total of 0 rules in 18 ms. Remains 648 /648 variables (removed 0) and now considering 1062/1062 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 495 ms. Remains : 648/834 places, 1062/1242 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 48 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-04
Product exploration explored 100000 steps with 0 reset in 757 ms.
Stack based approach found an accepted trace after 79 steps with 0 reset with depth 80 and stack size 80 in 0 ms.
FORMULA Peterson-COL-5-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-5-LTLCardinality-04 finished in 1343 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(p0))))'
Support contains 60 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 13 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:46:24] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4525966598129353005.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10172396013913648873.kers'
[2026-05-26 15:46:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4525966598129353005.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10172396013913648873.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 1 ms.
// Phase 1: matrix 1122 rows 822 cols 2544 entries
Finished phase 1 with 811 SingleSign rule and 0 generalized
[2026-05-26 15:46:24] [INFO ] Computed 23 invariants in 7 ms
Computed 23 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-10172396013913648873.kers
Total runtime 10 ms.
[2026-05-26 15:46:25] [INFO ] Implicit Places using invariants in 602 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 605 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 14 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 634 ms. Remains : 828/834 places, 1242/1242 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(p0))))'
Stuttering acceptance computed with spot in 102 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-06
Product exploration explored 100000 steps with 33333 reset in 377 ms.
Product exploration explored 100000 steps with 33333 reset in 318 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 16 ms. Proved property starting from automaton with 3 states, 3 edges and 1 AP (stutter sensitive
Knowledge-based reduction took 23 ms.
FORMULA Peterson-COL-5-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-5-LTLCardinality-06 finished in 1498 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 X((p1&&X(X(X(F(p0))))))))))'
Support contains 360 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 21 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:46:26] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:46:26] [INFO ] Invariant cache hit.
[2026-05-26 15:46:26] [INFO ] Implicit Places using invariants in 414 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 416 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 9 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 446 ms. Remains : 828/834 places, 1242/1242 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 X((p1&&X(X(X(F(p0))))))))))'
Stuttering acceptance computed with spot in 251 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-10
Product exploration explored 100000 steps with 5848 reset in 946 ms.
Stack based approach found an accepted trace after 36927 steps with 2117 reset with depth 11 and stack size 11 in 358 ms.
FORMULA Peterson-COL-5-LTLCardinality-10 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-5-LTLCardinality-10 finished in 2057 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 6 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 16 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:46:28] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:46:28] [INFO ] Invariant cache hit.
[2026-05-26 15:46:28] [INFO ] Implicit Places using invariants in 564 ms returned []
[2026-05-26 15:46:28] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:46:28] [INFO ] Invariant cache hit.
[2026-05-26 15:46:29] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:46:36] [INFO ] Implicit Places using invariants and state equation in 7379 ms returned []
Implicit Place search using SMT with State Equation took 7945 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 7963 ms. Remains : 834/834 places, 1242/1242 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 75 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-11
Product exploration explored 100000 steps with 10306 reset in 273 ms.
Stack based approach found an accepted trace after 853 steps with 91 reset with depth 11 and stack size 11 in 3 ms.
FORMULA Peterson-COL-5-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-5-LTLCardinality-11 finished in 8347 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)&&G(!p0))))'
Support contains 180 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 10 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:46:36] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:46:36] [INFO ] Invariant cache hit.
[2026-05-26 15:46:37] [INFO ] Implicit Places using invariants in 590 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 593 ms to find 6 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 828/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 16 ms. Remains 828 /828 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 620 ms. Remains : 828/834 places, 1242/1242 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(((p0 U p1)&&G(!p0))))'
Stuttering acceptance computed with spot in 111 ms :[true, (OR (NOT p1) p0), p0, (OR (NOT p1) p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-5-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-5-LTLCardinality-13 finished in 784 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 180 out of 834 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 834 transition count 1237
Reduce places removed 5 places and 0 transitions.
Performed 180 Post agglomeration using F-continuation condition.Transition count delta: 180
Iterating post reduction 1 with 185 rules applied. Total rules applied 190 place count 829 transition count 1057
Reduce places removed 180 places and 0 transitions.
Iterating post reduction 2 with 180 rules applied. Total rules applied 370 place count 649 transition count 1057
Performed 30 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 30 Pre rules applied. Total rules applied 370 place count 649 transition count 1027
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 3 with 60 rules applied. Total rules applied 430 place count 619 transition count 1027
Performed 25 Post agglomeration using F-continuation condition.Transition count delta: 25
Deduced a syphon composed of 25 places in 0 ms
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 3 with 50 rules applied. Total rules applied 480 place count 594 transition count 1002
Applied a total of 480 rules in 48 ms. Remains 594 /834 variables (removed 240) and now considering 1002/1242 (removed 240) transitions.
[2026-05-26 15:46:37] [INFO ] Flow matrix only has 882 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12665791842849902744.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17859540064833006123.kers'
[2026-05-26 15:46:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12665791842849902744.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17859540064833006123.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 0 ms.
// Phase 1: matrix 882 rows 582 cols 2064 entries
Finished phase 1 with 571 SingleSign rule and 0 generalized
[2026-05-26 15:46:37] [INFO ] Computed 23 invariants in 2 ms
Computed 23 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-17859540064833006123.kers
Total runtime 10 ms.
[2026-05-26 15:46:37] [INFO ] Implicit Places using invariants in 443 ms returned [0, 1, 2, 3, 4, 5]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 444 ms to find 6 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 588/834 places, 1002/1242 transitions.
Applied a total of 0 rules in 30 ms. Remains 588 /588 variables (removed 0) and now considering 1002/1002 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 523 ms. Remains : 588/834 places, 1002/1242 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))'
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-14
Product exploration explored 100000 steps with 9995 reset in 455 ms.
Product exploration explored 100000 steps with 9942 reset in 476 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 3 factoid took 53 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 37 steps (0 resets) in 4 ms. (7 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 71 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
[2026-05-26 15:46:39] [INFO ] Flow matrix only has 882 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2112820352649293060.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4956353056307755536.kers'
[2026-05-26 15:46:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2112820352649293060.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4956353056307755536.kers]
Culling duplicate invariants (modulo rational): removing 6 columns.
Culled 6 columns in 0 ms.
// Phase 1: matrix 882 rows 582 cols 2064 entries
Finished phase 1 with 571 SingleSign rule and 0 generalized
[2026-05-26 15:46:39] [INFO ] Computed 17 invariants in 2 ms
Computed 17 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-4956353056307755536.kers
Total runtime 4 ms.
[2026-05-26 15:46:40] [INFO ] [Real]Absence check using 17 positive place invariants in 163 ms returned sat
[2026-05-26 15:46:46] [INFO ] [Real]Absence check using state equation in 6400 ms returned sat
[2026-05-26 15:46:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 15:46:47] [INFO ] [Nat]Absence check using 17 positive place invariants in 76 ms returned sat
[2026-05-26 15:46:53] [INFO ] [Nat]Absence check using state equation in 6218 ms returned sat
[2026-05-26 15:46:53] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:46:53] [INFO ] [Nat]Added 205 Read/Feed constraints in 171 ms returned sat
[2026-05-26 15:46:54] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 954 ms
[2026-05-26 15:46:54] [INFO ] Computed and/alt/rep : 816/1872/816 causal constraints (skipped 60 transitions) in 53 ms.
[2026-05-26 15:47:00] [INFO ] Added : 297 causal constraints over 60 iterations in 6127 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 22134 ms.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Support contains 180 out of 588 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 588/588 places, 1002/1002 transitions.
Applied a total of 0 rules in 22 ms. Remains 588 /588 variables (removed 0) and now considering 1002/1002 (removed 0) transitions.
[2026-05-26 15:47:01] [INFO ] Flow matrix only has 882 transitions (discarded 120 similar events)
[2026-05-26 15:47:01] [INFO ] Invariant cache hit.
[2026-05-26 15:47:01] [INFO ] Implicit Places using invariants in 351 ms returned []
[2026-05-26 15:47:01] [INFO ] Flow matrix only has 882 transitions (discarded 120 similar events)
[2026-05-26 15:47:01] [INFO ] Invariant cache hit.
[2026-05-26 15:47:01] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:47:03] [INFO ] Implicit Places using invariants and state equation in 1736 ms returned []
Implicit Place search using SMT with State Equation took 2090 ms to find 0 implicit places.
[2026-05-26 15:47:03] [INFO ] Redundant transitions in 65 ms returned []
Running 996 sub problems to find dead transitions.
[2026-05-26 15:47:03] [INFO ] Flow matrix only has 882 transitions (discarded 120 similar events)
[2026-05-26 15:47:03] [INFO ] Invariant cache hit.
[2026-05-26 15:47:03] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/588 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/588 variables, 20/37 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/588 variables, 20/57 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/588 variables, 20/77 constraints. Problems are: Problem set: 0 solved, 996 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 588/1470 variables, and 77 constraints, problems are : Problem set: 0 solved, 996 unsolved in 30035 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 0/588 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 996/996 constraints, Known Traps: 60/60 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 996 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/588 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/588 variables, 60/77 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/588 variables, 20/97 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/588 variables, 20/117 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/588 variables, 20/137 constraints. Problems are: Problem set: 0 solved, 996 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/588 variables, 20/157 constraints. Problems are: Problem set: 0 solved, 996 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 588/1470 variables, and 160 constraints, problems are : Problem set: 0 solved, 996 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, State Equation: 0/588 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 0/996 constraints, Known Traps: 143/143 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60201ms problems are : Problem set: 0 solved, 996 unsolved
Search for dead transitions found 0 dead transitions in 60203ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62393 ms. Remains : 588/588 places, 1002/1002 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 3 factoid took 43 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
RANDOM walk for 49 steps (0 resets) in 4 ms. (9 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 53 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2026-05-26 15:48:03] [INFO ] Flow matrix only has 882 transitions (discarded 120 similar events)
[2026-05-26 15:48:03] [INFO ] Invariant cache hit.
[2026-05-26 15:48:04] [INFO ] [Real]Absence check using 17 positive place invariants in 165 ms returned sat
[2026-05-26 15:48:10] [INFO ] [Real]Absence check using state equation in 6311 ms returned sat
[2026-05-26 15:48:10] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 15:48:11] [INFO ] [Nat]Absence check using 17 positive place invariants in 74 ms returned sat
[2026-05-26 15:48:17] [INFO ] [Nat]Absence check using state equation in 6081 ms returned sat
[2026-05-26 15:48:17] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:48:18] [INFO ] [Nat]Added 205 Read/Feed constraints in 170 ms returned sat
[2026-05-26 15:48:18] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 860 ms
[2026-05-26 15:48:19] [INFO ] Computed and/alt/rep : 816/1872/816 causal constraints (skipped 60 transitions) in 49 ms.
[2026-05-26 15:48:25] [INFO ] Added : 297 causal constraints over 60 iterations in 6112 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 21658 ms.
Stuttering acceptance computed with spot in 49 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10026 reset in 455 ms.
Product exploration explored 100000 steps with 9997 reset in 465 ms.
Built C files in :
/tmp/ltsmin4251646692123207042
[2026-05-26 15:48:26] [INFO ] Computing symmetric may disable matrix : 1002 transitions.
[2026-05-26 15:48:26] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 15:48:26] [INFO ] Computing symmetric may enable matrix : 1002 transitions.
[2026-05-26 15:48:26] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 15:48:26] [INFO ] Computing Do-Not-Accords matrix : 1002 transitions.
[2026-05-26 15:48:26] [INFO ] Computation of Completed DNA matrix. took 32 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 15:48:26] [INFO ] Built C files in 237ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4251646692123207042
Running compilation step : cd /tmp/ltsmin4251646692123207042;'/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 2919 ms.
Running link step : cd /tmp/ltsmin4251646692123207042;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 53 ms.
Running LTSmin : cd /tmp/ltsmin4251646692123207042;'/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/stateBased2106755340382151762.hoa' '--buchi-type=spotba'
LTSmin run took 7691 ms.
FORMULA Peterson-COL-5-LTLCardinality-14 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property Peterson-COL-5-LTLCardinality-14 finished in 119706 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(p0)&&F((G(p1)||G(p2)))))))'
Support contains 222 out of 834 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 834/834 places, 1242/1242 transitions.
Applied a total of 0 rules in 15 ms. Remains 834 /834 variables (removed 0) and now considering 1242/1242 (removed 0) transitions.
[2026-05-26 15:48:37] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10840126239271723502.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3097463528959121879.kers'
[2026-05-26 15:48:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10840126239271723502.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3097463528959121879.kers]
Culling duplicate invariants (modulo rational): removing 12 columns.
Culled 12 columns in 2 ms.
// Phase 1: matrix 1122 rows 822 cols 2544 entries
Finished phase 1 with 811 SingleSign rule and 0 generalized
[2026-05-26 15:48:37] [INFO ] Computed 23 invariants in 13 ms
Computed 23 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-3097463528959121879.kers
Total runtime 16 ms.
[2026-05-26 15:48:37] [INFO ] Implicit Places using invariants in 568 ms returned []
[2026-05-26 15:48:37] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:48:37] [INFO ] Invariant cache hit.
[2026-05-26 15:48:38] [INFO ] State equation strengthened by 205 read => feed constraints.
[2026-05-26 15:48:42] [INFO ] Implicit Places using invariants and state equation in 4469 ms returned []
Implicit Place search using SMT with State Equation took 5040 ms to find 0 implicit places.
Running 1236 sub problems to find dead transitions.
[2026-05-26 15:48:42] [INFO ] Flow matrix only has 1122 transitions (discarded 120 similar events)
[2026-05-26 15:48:42] [INFO ] Invariant cache hit.
[2026-05-26 15:48:42] [INFO ] State equation strengthened by 205 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 828/1956 variables, and 5 constraints, problems are : Problem set: 0 solved, 1236 unsolved in 30027 ms.
Refiners :[Positive P Invariants (semi-flows): 5/17 constraints, Generalized P Invariants (flows): 0/6 constraints, State Equation: 0/834 constraints, ReadFeed: 0/205 constraints, PredecessorRefiner: 1236/1236 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1236 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/828 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/828 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 2 (OVERLAPS) 6/834 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/834 variables, 6/23 constraints. Problems are: Problem set: 0 solved, 1236 unsolved
SMT process timed out in 60463ms, After SMT, problems are : Problem set: 0 solved, 1236 unsolved
Search for dead transitions found 0 dead transitions in 60467ms
Finished structural reductions in LTL mode , in 1 iterations and 65530 ms. Remains : 834/834 places, 1242/1242 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(p0)&&F((G(p1)||G(p2)))))))'
Stuttering acceptance computed with spot in 241 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : Peterson-COL-5-LTLCardinality-15
Product exploration explored 100000 steps with 0 reset in 252 ms.
Stack based approach found an accepted trace after 2132 steps with 0 reset with depth 2133 and stack size 2128 in 6 ms.
FORMULA Peterson-COL-5-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-5-LTLCardinality-15 finished in 66080 ms.
All properties solved by simple procedures.
Total runtime 437159 ms.

BK_STOP 1779810583190

--------------------
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="Peterson-COL-5"
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 Peterson-COL-5, 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 r194-tall-177969914300675"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-5.tgz
mv Peterson-COL-5 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 ;