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-177969914200660.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-3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-tall-177969914200660
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 8.5K Mar 8 07:11 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 8 07:11 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 8 07:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 8 07:10 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 4.3K Mar 16 08:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 16 08:28 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 11K Mar 8 07:11 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 8 07:11 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 8 07:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 120K Mar 8 07:11 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 43K 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-3-LTLFireability-00
FORMULA_NAME Peterson-COL-3-LTLFireability-01
FORMULA_NAME Peterson-COL-3-LTLFireability-02
FORMULA_NAME Peterson-COL-3-LTLFireability-03
FORMULA_NAME Peterson-COL-3-LTLFireability-04
FORMULA_NAME Peterson-COL-3-LTLFireability-05
FORMULA_NAME Peterson-COL-3-LTLFireability-06
FORMULA_NAME Peterson-COL-3-LTLFireability-07
FORMULA_NAME Peterson-COL-3-LTLFireability-08
FORMULA_NAME Peterson-COL-3-LTLFireability-09
FORMULA_NAME Peterson-COL-3-LTLFireability-10
FORMULA_NAME Peterson-COL-3-LTLFireability-11
FORMULA_NAME Peterson-COL-3-LTLFireability-12
FORMULA_NAME Peterson-COL-3-LTLFireability-13
FORMULA_NAME Peterson-COL-3-LTLFireability-14
FORMULA_NAME Peterson-COL-3-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779807686169

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-COL-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202604301425
[2026-05-26 15:01:27] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 15:01:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 15:01:27] [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 15:01:27] [WARNING] Using fallBack plugin, rng conformance not checked
[2026-05-26 15:01:27] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 582 ms
[2026-05-26 15:01:28] [INFO ] Imported 11 HL places and 14 HL transitions for a total of 256 PT places and 396.0 transition bindings in 18 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2026-05-26 15:01:28] [INFO ] Built PT skeleton of HLPN with 11 places and 14 transitions 42 arcs in 4 ms.
[2026-05-26 15:01:28] [INFO ] Skeletonized 14 HLPN properties in 1 ms. Removed 2 properties that had guard overlaps.
Computed a total of 2 stabilizing places and 0 stable transitions
Remains 11 properties that can be checked using skeleton over-approximation.
Reduce places removed 2 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 244 steps (0 resets) in 20 ms. (11 steps per ms) remains 0/8 properties
[2026-05-26 15:01:28] [INFO ] Flatten gal took : 14 ms
[2026-05-26 15:01:28] [INFO ] Flatten gal took : 2 ms
Domain [Process(4), Tour(3), Process(4)] of place BeginLoop breaks symmetries in sort Process
Arc [2:1*[$i, (MOD (ADD $j 1) 3)]] contains successor/predecessor on variables of sort Tour
Symmetric sort wr.t. initial and guards and successors and join/free detected :Bool
Arc [1:1*[$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 15:01:28] [INFO ] Unfolded HLPN to a Petri net with 256 places and 356 transitions 1112 arcs in 27 ms.
[2026-05-26 15:01:28] [INFO ] Unfolded 16 HLPN properties in 0 ms.
Deduced a syphon composed of 12 places in 2 ms
Reduce places removed 12 places and 24 transitions.
Support contains 208 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 9 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:01:28] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15468908196862508628.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6963086979467008899.kers'
[2026-05-26 15:01:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15468908196862508628.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6963086979467008899.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 308 rows 236 cols 688 entries
Finished phase 1 with 229 SingleSign rule and 0 generalized
[2026-05-26 15:01:28] [INFO ] Computed 15 invariants in 1 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6963086979467008899.kers
Total runtime 2 ms.
[2026-05-26 15:01:28] [INFO ] Implicit Places using invariants in 176 ms returned []
[2026-05-26 15:01:28] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:01:28] [INFO ] Invariant cache hit.
[2026-05-26 15:01:28] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:01:28] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
Running 328 sub problems to find dead transitions.
[2026-05-26 15:01:28] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:01:28] [INFO ] Invariant cache hit.
[2026-05-26 15:01:28] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (OVERLAPS) 4/244 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 20/55 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 20/75 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 7/82 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/244 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 9 (INCLUDED_ONLY) 0/244 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 328 unsolved
SMT process timed out in 30101ms, After SMT, problems are : Problem set: 0 solved, 328 unsolved
Search for dead transitions found 0 dead transitions in 30113ms
Finished structural reductions in LTL mode , in 1 iterations and 30516 ms. Remains : 244/244 places, 332/332 transitions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:01:58] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:01:58] [INFO ] Invariant cache hit.
[2026-05-26 15:01:58] [INFO ] Implicit Places using invariants in 61 ms returned []
[2026-05-26 15:01:58] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:01:58] [INFO ] Invariant cache hit.
[2026-05-26 15:01:59] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:01:59] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 197 ms. Remains : 244/244 places, 332/332 transitions.
Support contains 208 out of 244 places after structural reductions.
[2026-05-26 15:01:59] [INFO ] Flatten gal took : 30 ms
[2026-05-26 15:01:59] [INFO ] Flatten gal took : 34 ms
[2026-05-26 15:01:59] [INFO ] Input system was already deterministic with 332 transitions.
Reduction of identical properties reduced properties to check from 16 to 14
RANDOM walk for 40000 steps (8 resets) in 1157 ms. (34 steps per ms) remains 1/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 389 ms. (102 steps per ms) remains 1/1 properties
[2026-05-26 15:01:59] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:01:59] [INFO ] Invariant cache hit.
[2026-05-26 15:01:59] [INFO ] State equation strengthened by 57 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/224 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/228 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/232 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 308/540 variables, 232/244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/540 variables, 57/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/540 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/552 variables, 12/313 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/552 variables, 3/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/552 variables, 0/316 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 316 constraints, problems are : Problem set: 0 solved, 1 unsolved in 180 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 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) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/224 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/228 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/232 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/232 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/232 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 308/540 variables, 232/247 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/540 variables, 57/304 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/540 variables, 1/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/540 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 12/552 variables, 12/317 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/552 variables, 3/320 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/552 variables, 12/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/552 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/552 variables, 0/332 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 552/552 variables, and 332 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1882 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 244/244 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2075ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 67 ms.
Support contains 12 out of 244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 244 transition count 242
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 154 transition count 242
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 180 place count 154 transition count 191
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 282 place count 103 transition count 191
Applied a total of 282 rules in 29 ms. Remains 103 /244 variables (removed 141) and now considering 191/332 (removed 141) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 103/244 places, 191/332 transitions.
RANDOM walk for 40000 steps (8 resets) in 315 ms. (126 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 33 steps, run visited all 1 properties in 9 ms. (steps per millisecond=3 )
Probabilistic random walk after 33 steps, saw 29 distinct states, run finished after 12 ms. (steps per millisecond=2 ) properties seen :1
FORMULA Peterson-COL-3-LTLFireability-14 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(X((X(F((p1&&F((p1&&X(p1))))))||p0))))'
Support contains 24 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 11 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:02:02] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:02:02] [INFO ] Invariant cache hit.
[2026-05-26 15:02:02] [INFO ] Implicit Places using invariants in 94 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 97 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 14 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 123 ms. Remains : 240/244 places, 332/332 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(F((p1&&F((p1&&X(p1))))))||p0))))'
Stuttering acceptance computed with spot in 312 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-00
Product exploration explored 100000 steps with 8213 reset in 474 ms.
Stack based approach found an accepted trace after 236 steps with 20 reset with depth 28 and stack size 28 in 2 ms.
FORMULA Peterson-COL-3-LTLFireability-00 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-00 finished in 1001 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 40 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 60 transitions
Trivial Post-agglo rules discarded 60 transitions
Performed 60 trivial Post agglomeration. Transition count delta: 60
Iterating post reduction 0 with 60 rules applied. Total rules applied 60 place count 244 transition count 272
Reduce places removed 60 places and 0 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 120 place count 184 transition count 272
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 120 place count 184 transition count 224
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 216 place count 136 transition count 224
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 240 place count 124 transition count 212
Applied a total of 240 rules in 64 ms. Remains 124 /244 variables (removed 120) and now considering 212/332 (removed 120) transitions.
[2026-05-26 15:02:03] [INFO ] Flow matrix only has 188 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5813542832538209147.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16525043871484718079.kers'
[2026-05-26 15:02:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5813542832538209147.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16525043871484718079.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 188 rows 116 cols 448 entries
Finished phase 1 with 109 SingleSign rule and 0 generalized
[2026-05-26 15:02:03] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-16525043871484718079.kers
Total runtime 1 ms.
[2026-05-26 15:02:03] [INFO ] Implicit Places using invariants in 92 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 94 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 120/244 places, 212/332 transitions.
Applied a total of 0 rules in 10 ms. Remains 120 /120 variables (removed 0) and now considering 212/212 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 168 ms. Remains : 120/244 places, 212/332 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 38 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 369 ms.
Stack based approach found an accepted trace after 188 steps with 0 reset with depth 189 and stack size 184 in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-01 finished in 620 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&&(F(p1) U X(X(p2)))))))'
Support contains 44 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 244 transition count 242
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 154 transition count 242
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 180 place count 154 transition count 191
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 282 place count 103 transition count 191
Applied a total of 282 rules in 16 ms. Remains 103 /244 variables (removed 141) and now considering 191/332 (removed 141) transitions.
[2026-05-26 15:02:04] [INFO ] Flow matrix only has 167 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-582021410635196843.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16601776587374570366.kers'
[2026-05-26 15:02:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-582021410635196843.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16601776587374570366.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 167 rows 95 cols 406 entries
Finished phase 1 with 88 SingleSign rule and 0 generalized
[2026-05-26 15:02:04] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16601776587374570366.kers
Total runtime 4 ms.
[2026-05-26 15:02:04] [INFO ] Implicit Places using invariants in 58 ms returned []
[2026-05-26 15:02:04] [INFO ] Flow matrix only has 167 transitions (discarded 24 similar events)
[2026-05-26 15:02:04] [INFO ] Invariant cache hit.
[2026-05-26 15:02:04] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:02:04] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 214 ms to find 0 implicit places.
[2026-05-26 15:02:04] [INFO ] Redundant transitions in 8 ms returned []
Running 187 sub problems to find dead transitions.
[2026-05-26 15:02:04] [INFO ] Flow matrix only has 167 transitions (discarded 24 similar events)
[2026-05-26 15:02:04] [INFO ] Invariant cache hit.
[2026-05-26 15:02:04] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (OVERLAPS) 4/103 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/103 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 20/55 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 20/75 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/103 variables, 11/86 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/103 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/103 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/103 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/103 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 12 (OVERLAPS) 167/270 variables, 103/192 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/270 variables, 57/249 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/270 variables, 1/250 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/270 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 16 (OVERLAPS) 0/270 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Real declared 270/270 variables, and 250 constraints, problems are : Problem set: 0 solved, 187 unsolved in 20913 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 103/103 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 75/75 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 187 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 3 (OVERLAPS) 4/103 variables, 8/84 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/103 variables, 4/88 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/103 variables, 2/90 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/103 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 7 (OVERLAPS) 167/270 variables, 103/193 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/270 variables, 57/250 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/270 variables, 187/437 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 0/437 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 11 (OVERLAPS) 0/270 variables, 1/438 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 187 unsolved
At refinement iteration 13 (OVERLAPS) 0/270 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 187 unsolved
No progress, stopping.
After SMT solving in domain Int declared 270/270 variables, and 438 constraints, problems are : Problem set: 0 solved, 187 unsolved in 27367 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 103/103 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 187/187 constraints, Known Traps: 76/76 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 48330ms problems are : Problem set: 0 solved, 187 unsolved
Search for dead transitions found 0 dead transitions in 48332ms
Starting structural reductions in SI_LTL mode, iteration 1 : 103/244 places, 191/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 48580 ms. Remains : 103/244 places, 191/332 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(((F(p0) U X(X(p1)))&&p2))))'
Stuttering acceptance computed with spot in 363 ms :[(OR (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1), (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-02
Product exploration explored 100000 steps with 2064 reset in 298 ms.
Stack based approach found an accepted trace after 84 steps with 1 reset with depth 35 and stack size 35 in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-02 finished in 49308 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((X(G((F(p0)||X(p1))))&&G(p2))))'
Support contains 112 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 244 transition count 329
Reduce places removed 3 places and 0 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 1 with 15 rules applied. Total rules applied 18 place count 241 transition count 317
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 30 place count 229 transition count 317
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 30 place count 229 transition count 313
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 38 place count 225 transition count 313
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 56 place count 216 transition count 304
Applied a total of 56 rules in 22 ms. Remains 216 /244 variables (removed 28) and now considering 304/332 (removed 28) transitions.
[2026-05-26 15:02:53] [INFO ] Flow matrix only has 280 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8530013293023116750.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14103494445194270208.kers'
[2026-05-26 15:02:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8530013293023116750.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14103494445194270208.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 280 rows 208 cols 632 entries
Finished phase 1 with 201 SingleSign rule and 0 generalized
[2026-05-26 15:02:53] [INFO ] Computed 15 invariants in 1 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14103494445194270208.kers
Total runtime 2 ms.
[2026-05-26 15:02:53] [INFO ] Implicit Places using invariants in 59 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 62 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 212/244 places, 304/332 transitions.
Applied a total of 0 rules in 8 ms. Remains 212 /212 variables (removed 0) and now considering 304/304 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 92 ms. Remains : 212/244 places, 304/332 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((X(G((F(p0)||X(p1))))&&G(p2))))'
Stuttering acceptance computed with spot in 387 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (NOT p2), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) (NOT p1))), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-03
Product exploration explored 100000 steps with 4712 reset in 666 ms.
Stack based approach found an accepted trace after 5646 steps with 272 reset with depth 9 and stack size 9 in 44 ms.
FORMULA Peterson-COL-3-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-03 finished in 1230 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||G(F(p1))) U X(p1)) U p2)))'
Support contains 68 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 5 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:02:54] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10433801894324588724.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12398186782917917756.kers'
[2026-05-26 15:02:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10433801894324588724.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12398186782917917756.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 308 rows 236 cols 688 entries
Finished phase 1 with 229 SingleSign rule and 0 generalized
[2026-05-26 15:02:54] [INFO ] Computed 15 invariants in 1 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12398186782917917756.kers
Total runtime 1 ms.
[2026-05-26 15:02:54] [INFO ] Implicit Places using invariants in 89 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 90 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 99 ms. Remains : 240/244 places, 332/332 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||G(F(p1))) U X(p1)) U p2)))'
Stuttering acceptance computed with spot in 274 ms :[(NOT p2), (NOT p2), (NOT p1), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-04
Product exploration explored 100000 steps with 3748 reset in 305 ms.
Stack based approach found an accepted trace after 173 steps with 5 reset with depth 37 and stack size 37 in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-04 finished in 726 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||X(!p1)) U (G((!p0||X(!p1)))||(!p1&&(!p0||X(!p1))))) U X((F(G(p3))||p2)))))'
Support contains 44 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:02:55] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:02:55] [INFO ] Invariant cache hit.
[2026-05-26 15:02:55] [INFO ] Implicit Places using invariants in 76 ms returned []
[2026-05-26 15:02:55] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:02:55] [INFO ] Invariant cache hit.
[2026-05-26 15:02:55] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:02:55] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
Running 328 sub problems to find dead transitions.
[2026-05-26 15:02:55] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:02:55] [INFO ] Invariant cache hit.
[2026-05-26 15:02:55] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (OVERLAPS) 4/244 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/244 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/244 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 20/55 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 20/75 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/244 variables, 7/82 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/244 variables, 3/85 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 9 (INCLUDED_ONLY) 0/244 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 328 unsolved
SMT process timed out in 30050ms, After SMT, problems are : Problem set: 0 solved, 328 unsolved
Search for dead transitions found 0 dead transitions in 30053ms
Finished structural reductions in LTL mode , in 1 iterations and 30283 ms. Remains : 244/244 places, 332/332 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||X(!p1)) U (G((!p0||X(!p1)))||(!p1&&(!p0||X(!p1))))) U X((F(G(p3))||p2)))))'
Stuttering acceptance computed with spot in 309 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND p1 (NOT p2) (NOT p3)), (AND p0 (NOT p2) p1 (NOT p3)), (NOT p3), (AND (NOT p3) p1), (AND (NOT p3) p1 p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-05
Product exploration explored 100000 steps with 33333 reset in 157 ms.
Product exploration explored 100000 steps with 33333 reset in 299 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 10 factoid took 83 ms. Proved property starting from automaton with 8 states, 16 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 88 ms.
FORMULA Peterson-COL-3-LTLFireability-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-3-LTLFireability-05 finished in 31233 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(G(p0)) U p1)))'
Support contains 48 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:03:26] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:03:26] [INFO ] Invariant cache hit.
[2026-05-26 15:03:26] [INFO ] Implicit Places using invariants in 164 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 165 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 171 ms. Remains : 240/244 places, 332/332 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(G(p0)) U p1)))'
Stuttering acceptance computed with spot in 102 ms :[(NOT p1), (NOT p1), (NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-06
Product exploration explored 100000 steps with 0 reset in 149 ms.
Stack based approach found an accepted trace after 185 steps with 0 reset with depth 186 and stack size 186 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-06 finished in 470 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(!p0) U p1)||X(p2)))'
Support contains 48 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:03:27] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:03:27] [INFO ] Invariant cache hit.
[2026-05-26 15:03:27] [INFO ] Implicit Places using invariants in 85 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 111 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 114 ms. Remains : 240/244 places, 332/332 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(!p0) U p1)||X(p2)))'
Stuttering acceptance computed with spot in 197 ms :[p0, true, (AND (NOT p1) (NOT p2)), (NOT p2), (OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p2))), (OR (NOT p1) p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-07
Product exploration explored 100000 steps with 50000 reset in 429 ms.
Product exploration explored 100000 steps with 50000 reset in 458 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 9 factoid took 18 ms. Proved property starting from automaton with 6 states, 12 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 21 ms.
FORMULA Peterson-COL-3-LTLFireability-07 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Peterson-COL-3-LTLFireability-07 finished in 1253 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&&X(X(X(X(F(p0))))))))'
Support contains 40 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:03:28] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:03:28] [INFO ] Invariant cache hit.
[2026-05-26 15:03:28] [INFO ] Implicit Places using invariants in 115 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 116 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 3 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 121 ms. Remains : 240/244 places, 332/332 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(X(F(p0)))))&&p0)))'
Stuttering acceptance computed with spot in 200 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : Peterson-COL-3-LTLFireability-08
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-08 finished in 366 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U (!p1&&G(p0))))'
Support contains 52 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 27 transitions
Trivial Post-agglo rules discarded 27 transitions
Performed 27 trivial Post agglomeration. Transition count delta: 27
Iterating post reduction 0 with 27 rules applied. Total rules applied 27 place count 244 transition count 305
Reduce places removed 27 places and 0 transitions.
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Iterating post reduction 1 with 39 rules applied. Total rules applied 66 place count 217 transition count 293
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 78 place count 205 transition count 293
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 48 Pre rules applied. Total rules applied 78 place count 205 transition count 245
Deduced a syphon composed of 48 places in 0 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 3 with 96 rules applied. Total rules applied 174 place count 157 transition count 245
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 192 place count 148 transition count 236
Applied a total of 192 rules in 16 ms. Remains 148 /244 variables (removed 96) and now considering 236/332 (removed 96) transitions.
[2026-05-26 15:03:28] [INFO ] Flow matrix only has 212 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9330788584255704126.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1073369290413851504.kers'
[2026-05-26 15:03:28] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9330788584255704126.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1073369290413851504.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 212 rows 140 cols 496 entries
Finished phase 1 with 133 SingleSign rule and 0 generalized
[2026-05-26 15:03:28] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1073369290413851504.kers
Total runtime 1 ms.
[2026-05-26 15:03:28] [INFO ] Implicit Places using invariants in 65 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 77 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 144/244 places, 236/332 transitions.
Applied a total of 0 rules in 8 ms. Remains 144 /144 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 102 ms. Remains : 144/244 places, 236/332 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!p0 U (!p1&&G(p0))))'
Stuttering acceptance computed with spot in 89 ms :[(NOT p0), true, (OR (NOT p0) p1)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-09
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 1 ms.
FORMULA Peterson-COL-3-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-09 finished in 217 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((!p0||X(X(X(!p1))))))'
Support contains 60 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 3 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:03:29] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2424149565624074846.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15816023922305004890.kers'
[2026-05-26 15:03:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2424149565624074846.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15816023922305004890.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 308 rows 236 cols 688 entries
Finished phase 1 with 229 SingleSign rule and 0 generalized
[2026-05-26 15:03:29] [INFO ] Computed 15 invariants in 1 ms
Computed 15 P flows in 11 ms.
Exported basis to /tmp/petrispot-output-15816023922305004890.kers
Total runtime 11 ms.
[2026-05-26 15:03:29] [INFO ] Implicit Places using invariants in 136 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 143 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 149 ms. Remains : 240/244 places, 332/332 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(X(p0)))||p1)))'
Stuttering acceptance computed with spot in 136 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : Peterson-COL-3-LTLFireability-10
Product exploration explored 100000 steps with 0 reset in 154 ms.
Product exploration explored 100000 steps with 0 reset in 176 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 1 factoid took 39 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 105 ms. (377 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 140 ms. (283 steps per ms) remains 1/1 properties
[2026-05-26 15:03:29] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16770156337608815753.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12615903501417520973.kers'
[2026-05-26 15:03:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16770156337608815753.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12615903501417520973.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 308 rows 236 cols 688 entries
Finished phase 1 with 229 SingleSign rule and 0 generalized
[2026-05-26 15:03:29] [INFO ] Computed 11 invariants in 1 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12615903501417520973.kers
Total runtime 1 ms.
[2026-05-26 15:03:29] [INFO ] State equation strengthened by 57 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/224 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/228 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 308/536 variables, 228/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 57/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 12/548 variables, 12/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/548 variables, 3/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/548 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/548 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 548/548 variables, and 308 constraints, problems are : Problem set: 0 solved, 1 unsolved in 302 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 240/240 constraints, ReadFeed: 57/57 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) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/224 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/228 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/228 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 308/536 variables, 228/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 57/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/548 variables, 12/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/548 variables, 3/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/548 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/548 variables, 4/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/548 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/548 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/548 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 548/548 variables, and 321 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1399 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 240/240 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1709ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 34 ms.
Support contains 12 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 240 transition count 242
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 150 transition count 242
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 180 place count 150 transition count 191
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 282 place count 99 transition count 191
Applied a total of 282 rules in 8 ms. Remains 99 /240 variables (removed 141) and now considering 191/332 (removed 141) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 99/240 places, 191/332 transitions.
RANDOM walk for 40000 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 33 steps, run visited all 1 properties in 4 ms. (steps per millisecond=8 )
Probabilistic random walk after 33 steps, saw 29 distinct states, run finished after 4 ms. (steps per millisecond=8 ) properties seen :1
Knowledge based reduction with 1 factoid took 92 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Knowledge-based reduction took 2214 ms.
Stuttering acceptance computed with spot in 158 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Support contains 60 out of 240 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 240/240 places, 332/332 transitions.
Applied a total of 0 rules in 3 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:03:32] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:03:32] [INFO ] Invariant cache hit.
[2026-05-26 15:03:32] [INFO ] Implicit Places using invariants in 102 ms returned []
[2026-05-26 15:03:32] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:03:32] [INFO ] Invariant cache hit.
[2026-05-26 15:03:32] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:03:32] [INFO ] Implicit Places using invariants and state equation in 276 ms returned []
Implicit Place search using SMT with State Equation took 379 ms to find 0 implicit places.
Running 328 sub problems to find dead transitions.
[2026-05-26 15:03:32] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:03:32] [INFO ] Invariant cache hit.
[2026-05-26 15:03:32] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 20/31 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 20/71 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 6/77 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/240 variables, 1/78 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/240 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/240 variables, 3/82 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 240/548 variables, and 82 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 0/240 constraints, ReadFeed: 0/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 71/71 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 328 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/240 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/240 variables, 71/82 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/240 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/240 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/240 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 5 (OVERLAPS) 308/548 variables, 240/324 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/548 variables, 57/381 constraints. Problems are: Problem set: 0 solved, 328 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/548 variables, 328/709 constraints. Problems are: Problem set: 0 solved, 328 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 548/548 variables, and 709 constraints, problems are : Problem set: 0 solved, 328 unsolved in 30029 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 240/240 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 328/328 constraints, Known Traps: 73/73 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60084ms problems are : Problem set: 0 solved, 328 unsolved
Search for dead transitions found 0 dead transitions in 60085ms
Finished structural reductions in LTL mode , in 1 iterations and 60468 ms. Remains : 240/240 places, 332/332 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 74 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
RANDOM walk for 40000 steps (8 resets) in 76 ms. (519 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
[2026-05-26 15:04:32] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
[2026-05-26 15:04:32] [INFO ] Invariant cache hit.
[2026-05-26 15:04:32] [INFO ] State equation strengthened by 57 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/224 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/228 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 308/536 variables, 228/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 57/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 0/293 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 12/548 variables, 12/305 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/548 variables, 3/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/548 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/548 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 548/548 variables, and 308 constraints, problems are : Problem set: 0 solved, 1 unsolved in 266 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 240/240 constraints, ReadFeed: 57/57 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) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 212/224 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/224 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/228 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/228 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/228 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 308/536 variables, 228/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 57/294 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/536 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 12/548 variables, 12/307 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/548 variables, 3/310 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/548 variables, 1/311 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/548 variables, 4/315 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/548 variables, 6/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/548 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/548 variables, 0/321 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 548/548 variables, and 321 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1458 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 240/240 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1739ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 12 out of 240 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 240/240 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 90 transitions
Trivial Post-agglo rules discarded 90 transitions
Performed 90 trivial Post agglomeration. Transition count delta: 90
Iterating post reduction 0 with 90 rules applied. Total rules applied 90 place count 240 transition count 242
Reduce places removed 90 places and 0 transitions.
Iterating post reduction 1 with 90 rules applied. Total rules applied 180 place count 150 transition count 242
Performed 51 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 51 Pre rules applied. Total rules applied 180 place count 150 transition count 191
Deduced a syphon composed of 51 places in 0 ms
Reduce places removed 51 places and 0 transitions.
Iterating global reduction 2 with 102 rules applied. Total rules applied 282 place count 99 transition count 191
Applied a total of 282 rules in 8 ms. Remains 99 /240 variables (removed 141) and now considering 191/332 (removed 141) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 99/240 places, 191/332 transitions.
RANDOM walk for 40000 steps (8 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Finished probabilistic random walk after 33 steps, run visited all 1 properties in 3 ms. (steps per millisecond=11 )
Probabilistic random walk after 33 steps, saw 29 distinct states, run finished after 3 ms. (steps per millisecond=11 ) properties seen :1
Knowledge based reduction with 1 factoid took 65 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 5 states, 6 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Knowledge-based reduction took 2175 ms.
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Stuttering acceptance computed with spot in 141 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0), (NOT p0), true]
Product exploration explored 100000 steps with 0 reset in 133 ms.
Product exploration explored 100000 steps with 0 reset in 177 ms.
Spot run failed in 77 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/ltsmin17844376388765384357
[2026-05-26 15:04:35] [INFO ] Built C files in 19ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin17844376388765384357
Running compilation step : cd /tmp/ltsmin17844376388765384357;'/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 578 ms.
Running link step : cd /tmp/ltsmin17844376388765384357;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 39 ms.
Running LTSmin : cd /tmp/ltsmin17844376388765384357;'/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/stateBased9294578495156322698.hoa' '--buchi-type=spotba'
LTSmin run took 8921 ms.
FORMULA Peterson-COL-3-LTLFireability-10 FALSE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property Peterson-COL-3-LTLFireability-10 finished in 75966 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&&X(!p1)&&G(!p2))))'
Support contains 88 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:04:45] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3992405776352125561.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3802657940294931153.kers'
[2026-05-26 15:04:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3992405776352125561.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3802657940294931153.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 308 rows 236 cols 688 entries
Finished phase 1 with 229 SingleSign rule and 0 generalized
[2026-05-26 15:04:45] [INFO ] Computed 15 invariants in 1 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3802657940294931153.kers
Total runtime 1 ms.
[2026-05-26 15:04:45] [INFO ] Implicit Places using invariants in 98 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 113 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 117 ms. Remains : 240/244 places, 332/332 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)&&p2)))'
Stuttering acceptance computed with spot in 189 ms :[true, (OR (NOT p1) (NOT p2) (NOT p0)), (NOT p1), (OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : Peterson-COL-3-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Peterson-COL-3-LTLFireability-11 finished in 337 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 48 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 244 transition count 329
Reduce places removed 3 places and 0 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Iterating post reduction 1 with 51 rules applied. Total rules applied 54 place count 241 transition count 281
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 102 place count 193 transition count 281
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 102 place count 193 transition count 269
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 126 place count 181 transition count 269
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 144 place count 172 transition count 260
Applied a total of 144 rules in 19 ms. Remains 172 /244 variables (removed 72) and now considering 260/332 (removed 72) transitions.
[2026-05-26 15:04:45] [INFO ] Flow matrix only has 236 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15134354150009074577.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12285852684365070411.kers'
[2026-05-26 15:04:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15134354150009074577.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12285852684365070411.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 236 rows 164 cols 544 entries
Finished phase 1 with 157 SingleSign rule and 0 generalized
[2026-05-26 15:04:45] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12285852684365070411.kers
Total runtime 1 ms.
[2026-05-26 15:04:45] [INFO ] Implicit Places using invariants in 91 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 92 ms to find 4 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 168/244 places, 260/332 transitions.
Applied a total of 0 rules in 4 ms. Remains 168 /168 variables (removed 0) and now considering 260/260 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 115 ms. Remains : 168/244 places, 260/332 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 34 ms :[(NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-12
Product exploration explored 100000 steps with 12745 reset in 249 ms.
Product exploration explored 100000 steps with 12737 reset in 259 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 67 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 28 steps (0 resets) in 5 ms. (4 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 64 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 36 ms :[(NOT p0)]
[2026-05-26 15:04:46] [INFO ] Flow matrix only has 236 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16157491117508511776.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10264375404616596262.kers'
[2026-05-26 15:04:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16157491117508511776.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10264375404616596262.kers]
Culling duplicate invariants (modulo rational): removing 4 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 236 rows 164 cols 544 entries
Finished phase 1 with 157 SingleSign rule and 0 generalized
[2026-05-26 15:04:46] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-10264375404616596262.kers
Total runtime 1 ms.
[2026-05-26 15:04:46] [INFO ] [Real]Absence check using 11 positive place invariants in 11 ms returned sat
[2026-05-26 15:04:46] [INFO ] [Real]Absence check using state equation in 190 ms returned sat
[2026-05-26 15:04:46] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 15:04:46] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:04:46] [INFO ] [Nat]Absence check using state equation in 148 ms returned sat
[2026-05-26 15:04:46] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:04:46] [INFO ] [Nat]Added 57 Read/Feed constraints in 17 ms returned sat
[2026-05-26 15:04:47] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 327 ms
[2026-05-26 15:04:47] [INFO ] Computed and/alt/rep : 211/413/211 causal constraints (skipped 21 transitions) in 13 ms.
[2026-05-26 15:04:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 182 ms
[2026-05-26 15:04:47] [INFO ] Added : 103 causal constraints over 21 iterations in 674 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 1800 ms.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Support contains 48 out of 168 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 168/168 places, 260/260 transitions.
Applied a total of 0 rules in 7 ms. Remains 168 /168 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2026-05-26 15:04:47] [INFO ] Flow matrix only has 236 transitions (discarded 24 similar events)
[2026-05-26 15:04:47] [INFO ] Invariant cache hit.
[2026-05-26 15:04:48] [INFO ] Implicit Places using invariants in 79 ms returned []
[2026-05-26 15:04:48] [INFO ] Flow matrix only has 236 transitions (discarded 24 similar events)
[2026-05-26 15:04:48] [INFO ] Invariant cache hit.
[2026-05-26 15:04:48] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:04:48] [INFO ] Implicit Places using invariants and state equation in 241 ms returned []
Implicit Place search using SMT with State Equation took 329 ms to find 0 implicit places.
[2026-05-26 15:04:48] [INFO ] Redundant transitions in 9 ms returned []
Running 256 sub problems to find dead transitions.
[2026-05-26 15:04:48] [INFO ] Flow matrix only has 236 transitions (discarded 24 similar events)
[2026-05-26 15:04:48] [INFO ] Invariant cache hit.
[2026-05-26 15:04:48] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 20/31 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 20/51 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/168 variables, 18/69 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/168 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (OVERLAPS) 236/404 variables, 168/237 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/404 variables, 57/294 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/404 variables, 0/294 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 8 (OVERLAPS) 0/404 variables, 1/295 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/404 variables, 0/295 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 404/404 variables, and 295 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 168/168 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 256 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/168 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/168 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/168 variables, 0/70 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 3 (OVERLAPS) 236/404 variables, 168/238 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/404 variables, 57/295 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/404 variables, 256/551 constraints. Problems are: Problem set: 0 solved, 256 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/404 variables, 0/551 constraints. Problems are: Problem set: 0 solved, 256 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 404/404 variables, and 551 constraints, problems are : Problem set: 0 solved, 256 unsolved in 30017 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 168/168 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 256/256 constraints, Known Traps: 59/59 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60054ms problems are : Problem set: 0 solved, 256 unsolved
Search for dead transitions found 0 dead transitions in 60055ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 60406 ms. Remains : 168/168 places, 260/260 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 57 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 22 steps (0 resets) in 4 ms. (4 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 62 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 45 ms :[(NOT p0)]
[2026-05-26 15:05:48] [INFO ] Flow matrix only has 236 transitions (discarded 24 similar events)
[2026-05-26 15:05:48] [INFO ] Invariant cache hit.
[2026-05-26 15:05:48] [INFO ] [Real]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-26 15:05:48] [INFO ] [Real]Absence check using state equation in 187 ms returned sat
[2026-05-26 15:05:48] [INFO ] Solution in real domain found non-integer solution.
[2026-05-26 15:05:48] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-26 15:05:49] [INFO ] [Nat]Absence check using state equation in 141 ms returned sat
[2026-05-26 15:05:49] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:05:49] [INFO ] [Nat]Added 57 Read/Feed constraints in 22 ms returned sat
[2026-05-26 15:05:49] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 347 ms
[2026-05-26 15:05:49] [INFO ] Computed and/alt/rep : 211/413/211 causal constraints (skipped 21 transitions) in 14 ms.
[2026-05-26 15:05:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 189 ms
[2026-05-26 15:05:50] [INFO ] Added : 103 causal constraints over 21 iterations in 624 ms. Result :sat
Could not prove EG (NOT p0)
Knowledge-based reduction took 1747 ms.
Stuttering acceptance computed with spot in 46 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Product exploration explored 100000 steps with 12731 reset in 249 ms.
Product exploration explored 100000 steps with 12748 reset in 253 ms.
Built C files in :
/tmp/ltsmin4144879364770327903
[2026-05-26 15:05:50] [INFO ] Computing symmetric may disable matrix : 260 transitions.
[2026-05-26 15:05:50] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 15:05:50] [INFO ] Computing symmetric may enable matrix : 260 transitions.
[2026-05-26 15:05:50] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 15:05:50] [INFO ] Computing Do-Not-Accords matrix : 260 transitions.
[2026-05-26 15:05:50] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-26 15:05:50] [INFO ] Built C files in 38ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4144879364770327903
Running compilation step : cd /tmp/ltsmin4144879364770327903;'/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 474 ms.
Running link step : cd /tmp/ltsmin4144879364770327903;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 36 ms.
Running LTSmin : cd /tmp/ltsmin4144879364770327903;'/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/stateBased11122658618278904883.hoa' '--buchi-type=spotba'
LTSmin run took 209 ms.
FORMULA Peterson-COL-3-LTLFireability-12 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property Peterson-COL-3-LTLFireability-12 finished in 66072 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 8 out of 244 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 0 with 96 rules applied. Total rules applied 96 place count 244 transition count 236
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 1 with 96 rules applied. Total rules applied 192 place count 148 transition count 236
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 192 place count 148 transition count 188
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 288 place count 100 transition count 188
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 312 place count 88 transition count 176
Applied a total of 312 rules in 14 ms. Remains 88 /244 variables (removed 156) and now considering 176/332 (removed 156) transitions.
[2026-05-26 15:05:51] [INFO ] Flow matrix only has 152 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11727611307533208628.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11752782441454634869.kers'
[2026-05-26 15:05:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11727611307533208628.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11752782441454634869.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 152 rows 80 cols 376 entries
Finished phase 1 with 73 SingleSign rule and 0 generalized
[2026-05-26 15:05:51] [INFO ] Computed 15 invariants in 0 ms
Computed 15 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11752782441454634869.kers
Total runtime 0 ms.
[2026-05-26 15:05:51] [INFO ] Implicit Places using invariants in 64 ms returned []
[2026-05-26 15:05:51] [INFO ] Flow matrix only has 152 transitions (discarded 24 similar events)
[2026-05-26 15:05:51] [INFO ] Invariant cache hit.
[2026-05-26 15:05:51] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-26 15:05:51] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2026-05-26 15:05:51] [INFO ] Redundant transitions in 2 ms returned []
Running 172 sub problems to find dead transitions.
[2026-05-26 15:05:51] [INFO ] Flow matrix only has 152 transitions (discarded 24 similar events)
[2026-05-26 15:05:51] [INFO ] Invariant cache hit.
[2026-05-26 15:05:51] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (OVERLAPS) 4/88 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/88 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 20/35 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 20/55 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 5/60 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 0/60 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (OVERLAPS) 152/240 variables, 88/148 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/240 variables, 57/205 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/240 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 11 (OVERLAPS) 0/240 variables, 0/205 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Real declared 240/240 variables, and 205 constraints, problems are : Problem set: 0 solved, 172 unsolved in 8689 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 88/88 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 45/45 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 172 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 44/47 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/47 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 3 (OVERLAPS) 4/88 variables, 8/55 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/88 variables, 4/59 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/88 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/88 variables, 5/65 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/88 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/88 variables, 2/69 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/88 variables, 0/69 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 10 (OVERLAPS) 152/240 variables, 88/157 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/240 variables, 57/214 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/240 variables, 172/386 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/240 variables, 0/386 constraints. Problems are: Problem set: 0 solved, 172 unsolved
At refinement iteration 14 (OVERLAPS) 0/240 variables, 0/386 constraints. Problems are: Problem set: 0 solved, 172 unsolved
No progress, stopping.
After SMT solving in domain Int declared 240/240 variables, and 386 constraints, problems are : Problem set: 0 solved, 172 unsolved in 13808 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 88/88 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 172/172 constraints, Known Traps: 54/54 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22510ms problems are : Problem set: 0 solved, 172 unsolved
Search for dead transitions found 0 dead transitions in 22510ms
Starting structural reductions in SI_LTL mode, iteration 1 : 88/244 places, 176/332 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 22734 ms. Remains : 88/244 places, 176/332 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-13
Product exploration explored 100000 steps with 2077 reset in 130 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-13 finished in 22964 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) U p1)&&X(((p1 U p2)||F(p3)))))'
Support contains 32 out of 244 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 244/244 places, 332/332 transitions.
Applied a total of 0 rules in 2 ms. Remains 244 /244 variables (removed 0) and now considering 332/332 (removed 0) transitions.
[2026-05-26 15:06:14] [INFO ] Flow matrix only has 308 transitions (discarded 24 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4085830216539319198.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1837423014109006406.kers'
[2026-05-26 15:06:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4085830216539319198.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1837423014109006406.kers]
Culling duplicate invariants (modulo rational): removing 8 columns.
Culled 8 columns in 0 ms.
// Phase 1: matrix 308 rows 236 cols 688 entries
Finished phase 1 with 229 SingleSign rule and 0 generalized
[2026-05-26 15:06:14] [INFO ] Computed 15 invariants in 3 ms
Computed 15 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-1837423014109006406.kers
Total runtime 4 ms.
[2026-05-26 15:06:14] [INFO ] Implicit Places using invariants in 105 ms returned [0, 1, 2, 3]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 114 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 240/244 places, 332/332 transitions.
Applied a total of 0 rules in 1 ms. Remains 240 /240 variables (removed 0) and now considering 332/332 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 117 ms. Remains : 240/244 places, 332/332 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) U p1)&&X(((p1 U p2)||F(p3)))))'
Stuttering acceptance computed with spot in 191 ms :[(OR (NOT p1) (AND (NOT p2) (NOT p3))), (NOT p0), (NOT p1), (AND (NOT p2) (NOT p3)), (NOT p3)]
Running random walk in product with property : Peterson-COL-3-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 140 ms.
Stack based approach found an accepted trace after 17 steps with 0 reset with depth 18 and stack size 18 in 0 ms.
FORMULA Peterson-COL-3-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property Peterson-COL-3-LTLFireability-15 finished in 486 ms.
All properties solved by simple procedures.
Total runtime 287632 ms.

BK_STOP 1779807975059

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Peterson-COL-3"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is Peterson-COL-3, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r194-tall-177969914200660"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-COL-3.tgz
mv Peterson-COL-3 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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