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.r098-tall-177955695500300.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 DiscoveryGPU-PT-10a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695500300
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.7K Mar 6 16:39 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 6 16:39 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Mar 6 16:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 160K Mar 6 16:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Mar 6 16:39 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 6 16:39 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 36K 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 DiscoveryGPU-PT-10a-LTLFireability-00
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-01
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-02
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-03
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-04
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-05
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-06
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-07
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-08
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-09
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-10
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-11
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-12
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-13
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-14
FORMULA_NAME DiscoveryGPU-PT-10a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779598603923

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DiscoveryGPU-PT-10a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 04:56:45] [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]
[2026-05-24 04:56:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:56:45] [INFO ] Load time of PNML (sax parser for PT used): 62 ms
[2026-05-24 04:56:45] [INFO ] Transformed 103 places.
[2026-05-24 04:56:45] [INFO ] Transformed 141 transitions.
[2026-05-24 04:56:45] [INFO ] Found NUPN structural information;
[2026-05-24 04:56:45] [INFO ] Parsed PT model containing 103 places and 141 transitions and 453 arcs in 148 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-10a-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-10a-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-10a-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-10a-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 28 out of 103 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 103/103 places, 141/141 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 96 transition count 134
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 96 transition count 134
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 21 place count 89 transition count 127
Iterating global reduction 0 with 7 rules applied. Total rules applied 28 place count 89 transition count 127
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 33 place count 84 transition count 117
Iterating global reduction 0 with 5 rules applied. Total rules applied 38 place count 84 transition count 117
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 43 place count 84 transition count 112
Applied a total of 43 rules in 44 ms. Remains 84 /103 variables (removed 19) and now considering 112/141 (removed 29) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1252186550269971881.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6822381075468655378.kers'
[2026-05-24 04:56:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1252186550269971881.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6822381075468655378.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 112 rows 82 cols 220 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-24 04:56:45] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6822381075468655378.kers
Total runtime 1 ms.
[2026-05-24 04:56:45] [INFO ] Implicit Places using invariants in 162 ms returned []
[2026-05-24 04:56:45] [INFO ] Invariant cache hit.
[2026-05-24 04:56:45] [INFO ] State equation strengthened by 73 read => feed constraints.
[2026-05-24 04:56:45] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Running 111 sub problems to find dead transitions.
[2026-05-24 04:56:45] [INFO ] Invariant cache hit.
[2026-05-24 04:56:45] [INFO ] State equation strengthened by 73 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 1 (OVERLAPS) 1/84 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (OVERLAPS) 112/196 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 73/159 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (OVERLAPS) 0/196 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Real declared 196/196 variables, and 159 constraints, problems are : Problem set: 0 solved, 111 unsolved in 3172 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 111 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 1 (OVERLAPS) 1/84 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/84 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 3 (OVERLAPS) 112/196 variables, 84/86 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 73/159 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 111/270 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 111 unsolved
At refinement iteration 7 (OVERLAPS) 0/196 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 111 unsolved
No progress, stopping.
After SMT solving in domain Int declared 196/196 variables, and 270 constraints, problems are : Problem set: 0 solved, 111 unsolved in 3369 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 84/84 constraints, ReadFeed: 73/73 constraints, PredecessorRefiner: 111/111 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6595ms problems are : Problem set: 0 solved, 111 unsolved
Search for dead transitions found 0 dead transitions in 6621ms
Starting structural reductions in LTL mode, iteration 1 : 84/103 places, 112/141 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 7036 ms. Remains : 84/103 places, 112/141 transitions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Applied a total of 0 rules in 2 ms. Remains 84 /84 variables (removed 0) and now considering 112/112 (removed 0) transitions.
[2026-05-24 04:56:52] [INFO ] Invariant cache hit.
[2026-05-24 04:56:52] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-24 04:56:52] [INFO ] Invariant cache hit.
[2026-05-24 04:56:52] [INFO ] State equation strengthened by 73 read => feed constraints.
[2026-05-24 04:56:52] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 118 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 84/84 places, 112/112 transitions.
Support contains 28 out of 84 places after structural reductions.
[2026-05-24 04:56:52] [INFO ] Flatten gal took : 24 ms
[2026-05-24 04:56:52] [INFO ] Flatten gal took : 10 ms
[2026-05-24 04:56:52] [INFO ] Input system was already deterministic with 112 transitions.
RANDOM walk for 1408 steps (9 resets) in 119 ms. (11 steps per ms) remains 0/28 properties
Computed a total of 13 stabilizing places and 11 stable transitions
Graph (complete) has 253 edges and 84 vertex of which 81 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.6 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (X((p1&&F(p0)))&&G((F(p2) U p1))))))'
Support contains 4 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 80 transition count 108
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 80 transition count 108
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 78 transition count 106
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 78 transition count 106
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 76 transition count 104
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 76 transition count 104
Applied a total of 16 rules in 8 ms. Remains 76 /84 variables (removed 8) and now considering 104/112 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17454968319394780865.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11570186769703109577.kers'
[2026-05-24 04:56:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17454968319394780865.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11570186769703109577.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 104 rows 74 cols 206 entries
Finished phase 1 with 74 SingleSign rule and 0 generalized
[2026-05-24 04:56:53] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11570186769703109577.kers
Total runtime 0 ms.
[2026-05-24 04:56:53] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 04:56:53] [INFO ] Invariant cache hit.
[2026-05-24 04:56:53] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:56:53] [INFO ] Implicit Places using invariants and state equation in 108 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 152 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 75/84 places, 104/112 transitions.
Applied a total of 0 rules in 1 ms. Remains 75 /75 variables (removed 0) and now considering 104/104 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 161 ms. Remains : 75/84 places, 104/112 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U (X((p1&&F(p0)))&&G((F(p2) U p1))))))'
Stuttering acceptance computed with spot in 723 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (NOT p2), (NOT p1), (NOT p1), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (NOT p1), (NOT p1), true, (NOT p0), (AND (NOT p0) p1 (NOT p2)), (AND (NOT p2) (NOT p1)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (AND (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 33 steps with 1 reset in 1 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-00 finished in 1003 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 X(!p0))) U X((G(!p1) U !p2))))'
Support contains 5 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 81 transition count 109
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 81 transition count 109
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 80 transition count 108
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 80 transition count 108
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 79 transition count 107
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 79 transition count 107
Applied a total of 10 rules in 8 ms. Remains 79 /84 variables (removed 5) and now considering 107/112 (removed 5) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16719365801208837853.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-943764895014158383.kers'
[2026-05-24 04:56:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16719365801208837853.kers, --Pflows, --basisKERS=/tmp/petrispot-output-943764895014158383.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 107 rows 77 cols 211 entries
Finished phase 1 with 77 SingleSign rule and 0 generalized
[2026-05-24 04:56:54] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-943764895014158383.kers
Total runtime 6 ms.
[2026-05-24 04:56:54] [INFO ] Implicit Places using invariants in 215 ms returned []
[2026-05-24 04:56:54] [INFO ] Invariant cache hit.
[2026-05-24 04:56:54] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-24 04:56:54] [INFO ] Implicit Places using invariants and state equation in 80 ms returned []
Implicit Place search using SMT with State Equation took 297 ms to find 0 implicit places.
Running 106 sub problems to find dead transitions.
[2026-05-24 04:56:54] [INFO ] Invariant cache hit.
[2026-05-24 04:56:54] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 107/186 variables, 79/81 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 72/153 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 106 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/186 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 186/186 variables, and 153 constraints, problems are : Problem set: 0 solved, 106 unsolved in 2689 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 79/79 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/78 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 1/79 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/79 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 107/186 variables, 79/81 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/186 variables, 72/153 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/186 variables, 106/259 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/186 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/186 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 186/186 variables, and 259 constraints, problems are : Problem set: 0 solved, 106 unsolved in 3052 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 79/79 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5754ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 5755ms
Starting structural reductions in LTL mode, iteration 1 : 79/84 places, 107/112 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6060 ms. Remains : 79/84 places, 107/112 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 X(!p0))) U X((G(!p1) U !p2))))'
Stuttering acceptance computed with spot in 361 ms :[p2, (AND p0 p2), p2, true, p1, p2, p0, p0, (AND p1 p0), (AND p0 p1), p0]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-01
Product exploration explored 100000 steps with 50000 reset in 369 ms.
Product exploration explored 100000 steps with 50000 reset in 211 ms.
Computed a total of 13 stabilizing places and 11 stable transitions
Graph (complete) has 244 edges and 79 vertex of which 77 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 13 stabilizing places and 11 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 20 factoid took 12 ms. Proved property starting from automaton with 11 states, 30 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 16 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-01 finished in 7076 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 4 out of 84 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Graph (complete) has 253 edges and 84 vertex of which 81 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 1 place count 81 transition count 107
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 79 transition count 107
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 8 place count 76 transition count 104
Iterating global reduction 0 with 3 rules applied. Total rules applied 11 place count 76 transition count 104
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 13 place count 75 transition count 103
Applied a total of 13 rules in 20 ms. Remains 75 /84 variables (removed 9) and now considering 103/112 (removed 9) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13893636070766880293.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15339850329115074482.kers'
[2026-05-24 04:57:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13893636070766880293.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15339850329115074482.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 103 rows 73 cols 204 entries
Finished phase 1 with 73 SingleSign rule and 0 generalized
[2026-05-24 04:57:01] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15339850329115074482.kers
Total runtime 0 ms.
[2026-05-24 04:57:01] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 04:57:01] [INFO ] Invariant cache hit.
[2026-05-24 04:57:01] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:01] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
[2026-05-24 04:57:01] [INFO ] Redundant transitions in 2 ms returned []
Running 102 sub problems to find dead transitions.
[2026-05-24 04:57:01] [INFO ] Invariant cache hit.
[2026-05-24 04:57:01] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/75 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 103/178 variables, 75/77 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 71/148 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/178 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (OVERLAPS) 0/178 variables, 0/148 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Real declared 178/178 variables, and 148 constraints, problems are : Problem set: 0 solved, 102 unsolved in 2585 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 75/75 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 102 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 1 (OVERLAPS) 1/75 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 3 (OVERLAPS) 103/178 variables, 75/77 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 71/148 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/178 variables, 102/250 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/178 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 102 unsolved
At refinement iteration 7 (OVERLAPS) 0/178 variables, 0/250 constraints. Problems are: Problem set: 0 solved, 102 unsolved
No progress, stopping.
After SMT solving in domain Int declared 178/178 variables, and 250 constraints, problems are : Problem set: 0 solved, 102 unsolved in 2893 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 75/75 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 102/102 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5492ms problems are : Problem set: 0 solved, 102 unsolved
Search for dead transitions found 0 dead transitions in 5493ms
Starting structural reductions in SI_LTL mode, iteration 1 : 75/84 places, 103/112 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5652 ms. Remains : 75/84 places, 103/112 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Stuttering acceptance computed with spot in 76 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-03
Stuttering criterion allowed to conclude after 94 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-03 finished in 5751 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 3 out of 84 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Graph (complete) has 253 edges and 84 vertex of which 81 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 81 transition count 106
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 78 transition count 106
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 11 place count 74 transition count 102
Iterating global reduction 0 with 4 rules applied. Total rules applied 15 place count 74 transition count 102
Applied a total of 15 rules in 11 ms. Remains 74 /84 variables (removed 10) and now considering 102/112 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14586931298726137799.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10999920600481986083.kers'
[2026-05-24 04:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14586931298726137799.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10999920600481986083.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 102 rows 72 cols 202 entries
Finished phase 1 with 72 SingleSign rule and 0 generalized
[2026-05-24 04:57:07] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10999920600481986083.kers
Total runtime 0 ms.
[2026-05-24 04:57:07] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 04:57:07] [INFO ] Invariant cache hit.
[2026-05-24 04:57:07] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:07] [INFO ] Implicit Places using invariants and state equation in 86 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 119 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/84 places, 102/112 transitions.
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 36 place count 55 transition count 84
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 44 place count 47 transition count 68
Iterating global reduction 0 with 8 rules applied. Total rules applied 52 place count 47 transition count 68
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 60 place count 39 transition count 52
Iterating global reduction 0 with 8 rules applied. Total rules applied 68 place count 39 transition count 52
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 75 place count 32 transition count 45
Iterating global reduction 0 with 7 rules applied. Total rules applied 82 place count 32 transition count 45
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 89 place count 25 transition count 31
Iterating global reduction 0 with 7 rules applied. Total rules applied 96 place count 25 transition count 31
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 103 place count 18 transition count 24
Iterating global reduction 0 with 7 rules applied. Total rules applied 110 place count 18 transition count 24
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 112 place count 18 transition count 24
Applied a total of 112 rules in 20 ms. Remains 18 /73 variables (removed 55) and now considering 24/102 (removed 78) transitions.
[2026-05-24 04:57:07] [INFO ] Flow matrix only has 21 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13799649903672801240.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6179108558481356728.kers'
[2026-05-24 04:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13799649903672801240.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6179108558481356728.kers]
Normalized transition count is 20 out of 21 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 20 rows 17 cols 39 entries
Finished phase 1 with 17 SingleSign rule and 0 generalized
[2026-05-24 04:57:07] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6179108558481356728.kers
Total runtime 0 ms.
[2026-05-24 04:57:07] [INFO ] Implicit Places using invariants in 22 ms returned []
[2026-05-24 04:57:07] [INFO ] Flow matrix only has 21 transitions (discarded 3 similar events)
[2026-05-24 04:57:07] [INFO ] Invariant cache hit.
[2026-05-24 04:57:07] [INFO ] State equation strengthened by 16 read => feed constraints.
[2026-05-24 04:57:07] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 50 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/84 places, 24/112 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 200 ms. Remains : 18/84 places, 24/112 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 70 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-06
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-06 finished in 290 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 X(!p1)) U G(!p2)) U p3))'
Support contains 6 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 80 transition count 108
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 80 transition count 108
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 78 transition count 106
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 78 transition count 106
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 76 transition count 104
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 76 transition count 104
Applied a total of 16 rules in 11 ms. Remains 76 /84 variables (removed 8) and now considering 104/112 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6506537583355582622.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17632767494426949183.kers'
[2026-05-24 04:57:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6506537583355582622.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17632767494426949183.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 104 rows 74 cols 206 entries
Finished phase 1 with 74 SingleSign rule and 0 generalized
[2026-05-24 04:57:07] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17632767494426949183.kers
Total runtime 0 ms.
[2026-05-24 04:57:07] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 04:57:07] [INFO ] Invariant cache hit.
[2026-05-24 04:57:07] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:07] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
Running 103 sub problems to find dead transitions.
[2026-05-24 04:57:07] [INFO ] Invariant cache hit.
[2026-05-24 04:57:07] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 104/180 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/180 variables, 71/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (OVERLAPS) 0/180 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 149 constraints, problems are : Problem set: 0 solved, 103 unsolved in 2635 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 103 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 104/180 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/180 variables, 71/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 103/252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/180 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (OVERLAPS) 0/180 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 252 constraints, problems are : Problem set: 0 solved, 103 unsolved in 2817 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5469ms problems are : Problem set: 0 solved, 103 unsolved
Search for dead transitions found 0 dead transitions in 5470ms
Starting structural reductions in LTL mode, iteration 1 : 76/84 places, 104/112 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5632 ms. Remains : 76/84 places, 104/112 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 X(!p1)) U G(!p2)) U p3))'
Stuttering acceptance computed with spot in 277 ms :[(NOT p3), (AND (NOT p0) p2 p1), p2, (AND (NOT p0) p1), p1, (NOT p0), (AND (NOT p0) p2 (NOT p1))]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-07
Product exploration explored 100000 steps with 28586 reset in 160 ms.
Stack based approach found an accepted trace after 16612 steps with 4733 reset with depth 4 and stack size 4 in 39 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-07 finished in 6185 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 84 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Graph (complete) has 253 edges and 84 vertex of which 81 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 81 transition count 106
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 78 transition count 106
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 11 place count 74 transition count 102
Iterating global reduction 0 with 4 rules applied. Total rules applied 15 place count 74 transition count 102
Applied a total of 15 rules in 8 ms. Remains 74 /84 variables (removed 10) and now considering 102/112 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3223441688977415579.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6991503173901188621.kers'
[2026-05-24 04:57:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3223441688977415579.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6991503173901188621.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 102 rows 72 cols 202 entries
Finished phase 1 with 72 SingleSign rule and 0 generalized
[2026-05-24 04:57:13] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6991503173901188621.kers
Total runtime 0 ms.
[2026-05-24 04:57:13] [INFO ] Implicit Places using invariants in 34 ms returned []
[2026-05-24 04:57:13] [INFO ] Invariant cache hit.
[2026-05-24 04:57:13] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:13] [INFO ] Implicit Places using invariants and state equation in 115 ms returned [73]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 165 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 73/84 places, 102/112 transitions.
Performed 19 Post agglomeration using F-continuation condition.Transition count delta: 19
Deduced a syphon composed of 19 places in 1 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 38 place count 54 transition count 83
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 47 place count 45 transition count 65
Iterating global reduction 0 with 9 rules applied. Total rules applied 56 place count 45 transition count 65
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 65 place count 36 transition count 47
Iterating global reduction 0 with 9 rules applied. Total rules applied 74 place count 36 transition count 47
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 82 place count 28 transition count 39
Iterating global reduction 0 with 8 rules applied. Total rules applied 90 place count 28 transition count 39
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 98 place count 20 transition count 23
Iterating global reduction 0 with 8 rules applied. Total rules applied 106 place count 20 transition count 23
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 114 place count 12 transition count 15
Iterating global reduction 0 with 8 rules applied. Total rules applied 122 place count 12 transition count 15
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 123 place count 12 transition count 15
Applied a total of 123 rules in 7 ms. Remains 12 /73 variables (removed 61) and now considering 15/102 (removed 87) transitions.
[2026-05-24 04:57:13] [INFO ] Flow matrix only has 13 transitions (discarded 2 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14636056190610797300.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17141675326438896730.kers'
[2026-05-24 04:57:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14636056190610797300.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17141675326438896730.kers]
Normalized transition count is 12 out of 13 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 12 rows 11 cols 23 entries
Finished phase 1 with 11 SingleSign rule and 0 generalized
[2026-05-24 04:57:13] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-17141675326438896730.kers
Total runtime 0 ms.
[2026-05-24 04:57:13] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 04:57:13] [INFO ] Flow matrix only has 13 transitions (discarded 2 similar events)
[2026-05-24 04:57:13] [INFO ] Invariant cache hit.
[2026-05-24 04:57:13] [INFO ] State equation strengthened by 10 read => feed constraints.
[2026-05-24 04:57:13] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 12/84 places, 15/112 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 239 ms. Remains : 12/84 places, 15/112 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 30 ms :[(NOT p0)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-08
Stuttering criterion allowed to conclude after 71 steps with 1 reset in 0 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-08 finished in 289 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 G(((p1||X(p2))&&(G(p3)||X(G(p4)))))))'
Support contains 7 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 80 transition count 108
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 80 transition count 108
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 78 transition count 106
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 78 transition count 106
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 76 transition count 104
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 76 transition count 104
Applied a total of 16 rules in 2 ms. Remains 76 /84 variables (removed 8) and now considering 104/112 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1467123893792281459.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7429537796792974453.kers'
[2026-05-24 04:57:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1467123893792281459.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7429537796792974453.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 104 rows 74 cols 206 entries
Finished phase 1 with 74 SingleSign rule and 0 generalized
[2026-05-24 04:57:13] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7429537796792974453.kers
Total runtime 0 ms.
[2026-05-24 04:57:13] [INFO ] Implicit Places using invariants in 57 ms returned []
[2026-05-24 04:57:13] [INFO ] Invariant cache hit.
[2026-05-24 04:57:13] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:13] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 76/84 places, 104/112 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 128 ms. Remains : 76/84 places, 104/112 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 G(((X(p1)||p2)&&(G(p3)||X(G(p4)))))))'
Stuttering acceptance computed with spot in 621 ms :[(OR (AND (NOT p1) (NOT p2)) (AND (NOT p3) (NOT p4))), (AND (NOT p0) (NOT p1)), (OR (AND (NOT p1) (NOT p3) (NOT p4)) (AND (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p4)), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p3) (NOT p4))), (AND (NOT p0) (NOT p3) (NOT p4)), (AND (NOT p3) (NOT p4)), (NOT p0), (AND (NOT p0) (NOT p4) p3 (NOT p1)), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p1) (NOT p3) (NOT p4))), (AND (NOT p0) (NOT p3) p4), (AND (NOT p0) (NOT p3) p4 (NOT p1)), (AND (NOT p1) (NOT p2) (NOT p3) p4), (AND (NOT p1) (NOT p2) (NOT p3) p4)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-09
Stuttering criterion allowed to conclude after 426 steps with 25 reset in 2 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-09 finished in 806 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(G(p0)) U G(p1)) U (p2&&X(F(!p0)))))'
Support contains 4 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 81 transition count 109
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 81 transition count 109
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 79 transition count 107
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 79 transition count 107
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 77 transition count 105
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 77 transition count 105
Applied a total of 14 rules in 4 ms. Remains 77 /84 variables (removed 7) and now considering 105/112 (removed 7) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9684660768338404782.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1148019847742240440.kers'
[2026-05-24 04:57:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9684660768338404782.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1148019847742240440.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 105 rows 75 cols 208 entries
Finished phase 1 with 75 SingleSign rule and 0 generalized
[2026-05-24 04:57:14] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1148019847742240440.kers
Total runtime 0 ms.
[2026-05-24 04:57:14] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 04:57:14] [INFO ] Invariant cache hit.
[2026-05-24 04:57:14] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:14] [INFO ] Implicit Places using invariants and state equation in 85 ms returned [76]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 142 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 76/84 places, 105/112 transitions.
Applied a total of 0 rules in 1 ms. Remains 76 /76 variables (removed 0) and now considering 105/105 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 147 ms. Remains : 76/84 places, 105/112 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(G(p0)) U G(p1)) U (p2&&X(F(!p0)))))'
Stuttering acceptance computed with spot in 179 ms :[(NOT p1), p0, (OR (NOT p2) p0), true, (OR (NOT p2) (NOT p1) p0), (OR (NOT p1) p0)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 201 ms.
Product exploration explored 100000 steps with 50000 reset in 152 ms.
Computed a total of 12 stabilizing places and 11 stable transitions
Graph (complete) has 207 edges and 76 vertex of which 75 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Computed a total of 12 stabilizing places and 11 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 10 factoid took 17 ms. Proved property starting from automaton with 6 states, 13 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 18 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-10 finished in 725 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||G(p1)))&&X(X(G((p2||X(p2))))))))'
Support contains 3 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 81 transition count 109
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 81 transition count 109
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 79 transition count 107
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 79 transition count 107
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 78 transition count 106
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 78 transition count 106
Applied a total of 12 rules in 5 ms. Remains 78 /84 variables (removed 6) and now considering 106/112 (removed 6) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16920686598446537468.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1755214415054769018.kers'
[2026-05-24 04:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16920686598446537468.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1755214415054769018.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 106 rows 76 cols 210 entries
Finished phase 1 with 76 SingleSign rule and 0 generalized
[2026-05-24 04:57:15] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1755214415054769018.kers
Total runtime 1 ms.
[2026-05-24 04:57:15] [INFO ] Implicit Places using invariants in 192 ms returned []
[2026-05-24 04:57:15] [INFO ] Invariant cache hit.
[2026-05-24 04:57:15] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:15] [INFO ] Implicit Places using invariants and state equation in 101 ms returned [77]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 295 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 77/84 places, 106/112 transitions.
Applied a total of 0 rules in 1 ms. Remains 77 /77 variables (removed 0) and now considering 106/106 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 301 ms. Remains : 77/84 places, 106/112 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((p0||G(p1)))&&X(X(G((p2||X(p2))))))))'
Stuttering acceptance computed with spot in 304 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), true, (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-11 finished in 631 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) U (X(X(X(F(p2))))&&p1))))'
Support contains 6 out of 84 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Graph (complete) has 253 edges and 84 vertex of which 82 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.2 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 82 transition count 107
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 79 transition count 107
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 10 place count 76 transition count 104
Iterating global reduction 0 with 3 rules applied. Total rules applied 13 place count 76 transition count 104
Applied a total of 13 rules in 22 ms. Remains 76 /84 variables (removed 8) and now considering 104/112 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14044288503438247354.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2308377331124010908.kers'
[2026-05-24 04:57:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14044288503438247354.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2308377331124010908.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 104 rows 74 cols 205 entries
Finished phase 1 with 74 SingleSign rule and 0 generalized
[2026-05-24 04:57:15] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2308377331124010908.kers
Total runtime 0 ms.
[2026-05-24 04:57:15] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 04:57:15] [INFO ] Invariant cache hit.
[2026-05-24 04:57:16] [INFO ] State equation strengthened by 72 read => feed constraints.
[2026-05-24 04:57:16] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
[2026-05-24 04:57:16] [INFO ] Redundant transitions in 2 ms returned []
Running 103 sub problems to find dead transitions.
[2026-05-24 04:57:16] [INFO ] Invariant cache hit.
[2026-05-24 04:57:16] [INFO ] State equation strengthened by 72 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 104/180 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/180 variables, 72/150 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (OVERLAPS) 0/180 variables, 0/150 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 150 constraints, problems are : Problem set: 0 solved, 103 unsolved in 2906 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 103 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 104/180 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/180 variables, 72/150 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 103/253 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/180 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (OVERLAPS) 0/180 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 253 constraints, problems are : Problem set: 0 solved, 103 unsolved in 2598 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 72/72 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5511ms problems are : Problem set: 0 solved, 103 unsolved
Search for dead transitions found 0 dead transitions in 5511ms
Starting structural reductions in SI_LTL mode, iteration 1 : 76/84 places, 104/112 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5664 ms. Remains : 76/84 places, 104/112 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) U (X(X(X(F(p2))))&&p1))))'
Stuttering acceptance computed with spot in 246 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (OR (NOT p1) (NOT p2)), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-12
Product exploration explored 100000 steps with 3728 reset in 153 ms.
Stack based approach found an accepted trace after 42 steps with 1 reset with depth 18 and stack size 18 in 0 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-12 finished in 6103 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(X(p0))) U p0))'
Support contains 2 out of 84 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 84/84 places, 112/112 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 80 transition count 108
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 80 transition count 108
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 78 transition count 106
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 78 transition count 106
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 14 place count 76 transition count 104
Iterating global reduction 0 with 2 rules applied. Total rules applied 16 place count 76 transition count 104
Applied a total of 16 rules in 2 ms. Remains 76 /84 variables (removed 8) and now considering 104/112 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6098383659048086314.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8508443904947695118.kers'
[2026-05-24 04:57:22] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6098383659048086314.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8508443904947695118.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 104 rows 74 cols 206 entries
Finished phase 1 with 74 SingleSign rule and 0 generalized
[2026-05-24 04:57:22] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-8508443904947695118.kers
Total runtime 4 ms.
[2026-05-24 04:57:22] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 04:57:22] [INFO ] Invariant cache hit.
[2026-05-24 04:57:22] [INFO ] State equation strengthened by 71 read => feed constraints.
[2026-05-24 04:57:22] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Running 103 sub problems to find dead transitions.
[2026-05-24 04:57:22] [INFO ] Invariant cache hit.
[2026-05-24 04:57:22] [INFO ] State equation strengthened by 71 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 104/180 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/180 variables, 71/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (OVERLAPS) 0/180 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Real declared 180/180 variables, and 149 constraints, problems are : Problem set: 0 solved, 103 unsolved in 2612 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 103 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 1 (OVERLAPS) 1/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 3 (OVERLAPS) 104/180 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/180 variables, 71/149 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/180 variables, 103/252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/180 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
At refinement iteration 7 (OVERLAPS) 0/180 variables, 0/252 constraints. Problems are: Problem set: 0 solved, 103 unsolved
No progress, stopping.
After SMT solving in domain Int declared 180/180 variables, and 252 constraints, problems are : Problem set: 0 solved, 103 unsolved in 2865 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 76/76 constraints, ReadFeed: 71/71 constraints, PredecessorRefiner: 103/103 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5485ms problems are : Problem set: 0 solved, 103 unsolved
Search for dead transitions found 0 dead transitions in 5486ms
Starting structural reductions in LTL mode, iteration 1 : 76/84 places, 104/112 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5625 ms. Remains : 76/84 places, 104/112 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!X(F(X(p0))) U p0))'
Stuttering acceptance computed with spot in 113 ms :[(NOT p0), true, p0, true]
Running random walk in product with property : DiscoveryGPU-PT-10a-LTLFireability-14
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-10a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-10a-LTLFireability-14 finished in 5781 ms.
All properties solved by simple procedures.
Total runtime 42751 ms.

BK_STOP 1779598647840

--------------------
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="DiscoveryGPU-PT-10a"
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 DiscoveryGPU-PT-10a, 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 r098-tall-177955695500300"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-10a.tgz
mv DiscoveryGPU-PT-10a 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 ;