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-177955695400268.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-08a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 592K
-rw-r--r-- 1 mcc users 8.5K Mar 6 16:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 6 16:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 6 16:13 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 16:13 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 3.8K Mar 15 09:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 16:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 162K Mar 6 16:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 109K Mar 6 16:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:11 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 28K 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-08a-LTLFireability-00
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-01
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-02
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-03
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-04
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-05
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-06
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-07
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-08
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-09
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-10
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-11
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-12
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-13
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-14
FORMULA_NAME DiscoveryGPU-PT-08a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779595636178

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-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 04:07:17] [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 04:07:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 04:07:17] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2026-05-24 04:07:17] [INFO ] Transformed 83 places.
[2026-05-24 04:07:17] [INFO ] Transformed 113 transitions.
[2026-05-24 04:07:17] [INFO ] Found NUPN structural information;
[2026-05-24 04:07:17] [INFO ] Parsed PT model containing 83 places and 113 transitions and 363 arcs in 138 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DiscoveryGPU-PT-08a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 25 out of 83 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 83/83 places, 113/113 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 79 transition count 109
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 79 transition count 109
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 12 place count 75 transition count 105
Iterating global reduction 0 with 4 rules applied. Total rules applied 16 place count 75 transition count 105
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 19 place count 72 transition count 99
Iterating global reduction 0 with 3 rules applied. Total rules applied 22 place count 72 transition count 99
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 27 place count 72 transition count 94
Applied a total of 27 rules in 34 ms. Remains 72 /83 variables (removed 11) and now considering 94/113 (removed 19) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5060420176429449947.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17893907813983212105.kers'
[2026-05-24 04:07:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5060420176429449947.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17893907813983212105.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 94 rows 70 cols 183 entries
Finished phase 1 with 70 SingleSign rule and 0 generalized
[2026-05-24 04:07:17] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17893907813983212105.kers
Total runtime 2 ms.
[2026-05-24 04:07:17] [INFO ] Implicit Places using invariants in 181 ms returned []
[2026-05-24 04:07:17] [INFO ] Invariant cache hit.
[2026-05-24 04:07:17] [INFO ] State equation strengthened by 60 read => feed constraints.
[2026-05-24 04:07:17] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 338 ms to find 0 implicit places.
Running 93 sub problems to find dead transitions.
[2026-05-24 04:07:18] [INFO ] Invariant cache hit.
[2026-05-24 04:07:18] [INFO ] State equation strengthened by 60 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 1 (OVERLAPS) 1/72 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 3 (OVERLAPS) 94/166 variables, 72/74 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 60/134 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 6 (OVERLAPS) 0/166 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Real declared 166/166 variables, and 134 constraints, problems are : Problem set: 0 solved, 93 unsolved in 2569 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 72/72 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 93/93 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 93 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 1 (OVERLAPS) 1/72 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/72 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 3 (OVERLAPS) 94/166 variables, 72/74 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/166 variables, 60/134 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/166 variables, 93/227 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/166 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 93 unsolved
At refinement iteration 7 (OVERLAPS) 0/166 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 93 unsolved
No progress, stopping.
After SMT solving in domain Int declared 166/166 variables, and 227 constraints, problems are : Problem set: 0 solved, 93 unsolved in 2543 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 72/72 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 93/93 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5162ms problems are : Problem set: 0 solved, 93 unsolved
Search for dead transitions found 0 dead transitions in 5177ms
Starting structural reductions in LTL mode, iteration 1 : 72/83 places, 94/113 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 5579 ms. Remains : 72/83 places, 94/113 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Applied a total of 0 rules in 1 ms. Remains 72 /72 variables (removed 0) and now considering 94/94 (removed 0) transitions.
[2026-05-24 04:07:23] [INFO ] Invariant cache hit.
[2026-05-24 04:07:23] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 04:07:23] [INFO ] Invariant cache hit.
[2026-05-24 04:07:23] [INFO ] State equation strengthened by 60 read => feed constraints.
[2026-05-24 04:07:23] [INFO ] Implicit Places using invariants and state equation in 76 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 115 ms. Remains : 72/72 places, 94/94 transitions.
Support contains 25 out of 72 places after structural reductions.
[2026-05-24 04:07:23] [INFO ] Flatten gal took : 25 ms
[2026-05-24 04:07:23] [INFO ] Flatten gal took : 9 ms
[2026-05-24 04:07:23] [INFO ] Input system was already deterministic with 94 transitions.
Reduction of identical properties reduced properties to check from 29 to 27
RANDOM walk for 1289 steps (12 resets) in 112 ms. (11 steps per ms) remains 0/27 properties
Computed a total of 11 stabilizing places and 9 stable transitions
Graph (complete) has 210 edges and 72 vertex of which 68 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.9 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(X(p1))) U (p2&&X(X(X(p1)))))&&p0)))'
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 6 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (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-12060183040405748472.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15056490374448961470.kers'
[2026-05-24 04:07:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12060183040405748472.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15056490374448961470.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 84 rows 60 cols 166 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-24 04:07:24] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-15056490374448961470.kers
Total runtime 0 ms.
[2026-05-24 04:07:24] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 04:07:24] [INFO ] Invariant cache hit.
[2026-05-24 04:07:24] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:24] [INFO ] Implicit Places using invariants and state equation in 93 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 132 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/72 places, 84/94 transitions.
Applied a total of 0 rules in 1 ms. Remains 61 /61 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 139 ms. Remains : 61/72 places, 84/94 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(p1))) U (p2&&X(X(X(p1)))))&&p0)))'
Stuttering acceptance computed with spot in 423 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (OR (NOT p0) (NOT p2) (NOT p1)), true, (NOT p1), (OR (NOT p1) (NOT p2)), (NOT p1), (NOT p1)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-01
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 3 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-01 finished in 630 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0 U X(X(!p0))))))'
Support contains 1 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 69 transition count 91
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 69 transition count 91
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 67 transition count 89
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 67 transition count 89
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 65 transition count 87
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 65 transition count 87
Applied a total of 14 rules in 6 ms. Remains 65 /72 variables (removed 7) and now considering 87/94 (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-10777832877350491450.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4488699344379236831.kers'
[2026-05-24 04:07:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10777832877350491450.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4488699344379236831.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 87 rows 63 cols 171 entries
Finished phase 1 with 63 SingleSign rule and 0 generalized
[2026-05-24 04:07:24] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-4488699344379236831.kers
Total runtime 0 ms.
[2026-05-24 04:07:24] [INFO ] Implicit Places using invariants in 55 ms returned []
[2026-05-24 04:07:24] [INFO ] Invariant cache hit.
[2026-05-24 04:07:24] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-24 04:07:24] [INFO ] Implicit Places using invariants and state equation in 83 ms returned [64]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 140 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/72 places, 87/94 transitions.
Applied a total of 0 rules in 2 ms. Remains 64 /64 variables (removed 0) and now considering 87/87 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 149 ms. Remains : 64/72 places, 87/94 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 U X(X(!p0))))))'
Stuttering acceptance computed with spot in 291 ms :[p0, p0, p0, p0, p0, p0, p0, true, p0]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-02
Product exploration explored 100000 steps with 20000 reset in 324 ms.
Product exploration explored 100000 steps with 20000 reset in 153 ms.
Computed a total of 10 stabilizing places and 9 stable transitions
Graph (complete) has 170 edges and 64 vertex of which 62 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Computed a total of 10 stabilizing places and 9 stable transitions
Knowledge based reduction with 2 factoid took 72 ms. Reduced automaton from 9 states, 11 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 571 steps (4 resets) in 9 ms. (57 steps per ms) remains 0/1 properties
Knowledge based reduction with 2 factoid took 56 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 234 ms :[p0, p0, p0, p0, true, p0]
Knowledge-based reduction took 396 ms.
Stuttering acceptance computed with spot in 238 ms :[p0, p0, p0, p0, true, p0]
Support contains 1 out of 64 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 64/64 places, 87/87 transitions.
Applied a total of 0 rules in 5 ms. Remains 64 /64 variables (removed 0) and now considering 87/87 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10474229241904538473.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15984833287765261259.kers'
[2026-05-24 04:07:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10474229241904538473.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15984833287765261259.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 87 rows 63 cols 171 entries
Finished phase 1 with 63 SingleSign rule and 0 generalized
[2026-05-24 04:07:26] [INFO ] Computed 1 invariants in 1 ms
Computed 1 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-15984833287765261259.kers
Total runtime 1 ms.
[2026-05-24 04:07:26] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-24 04:07:26] [INFO ] Invariant cache hit.
[2026-05-24 04:07:26] [INFO ] State equation strengthened by 42 read => feed constraints.
[2026-05-24 04:07:26] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Running 86 sub problems to find dead transitions.
[2026-05-24 04:07:26] [INFO ] Invariant cache hit.
[2026-05-24 04:07:26] [INFO ] State equation strengthened by 42 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (OVERLAPS) 87/151 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 42/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (OVERLAPS) 0/151 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Real declared 151/151 variables, and 107 constraints, problems are : Problem set: 0 solved, 86 unsolved in 1654 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 86 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 3 (OVERLAPS) 87/151 variables, 64/65 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/151 variables, 42/107 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 86/193 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 86 unsolved
At refinement iteration 7 (OVERLAPS) 0/151 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 86 unsolved
No progress, stopping.
After SMT solving in domain Int declared 151/151 variables, and 193 constraints, problems are : Problem set: 0 solved, 86 unsolved in 1874 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 64/64 constraints, ReadFeed: 42/42 constraints, PredecessorRefiner: 86/86 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3540ms problems are : Problem set: 0 solved, 86 unsolved
Search for dead transitions found 0 dead transitions in 3542ms
Finished structural reductions in LTL mode , in 1 iterations and 3659 ms. Remains : 64/64 places, 87/87 transitions.
Computed a total of 10 stabilizing places and 9 stable transitions
Graph (complete) has 170 edges and 64 vertex of which 62 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.3 ms
Computed a total of 10 stabilizing places and 9 stable transitions
Knowledge based reduction with 1 factoid took 43 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
RANDOM walk for 750 steps (5 resets) in 11 ms. (62 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 62 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 6 states, 6 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 244 ms :[p0, p0, p0, p0, true, p0]
Knowledge-based reduction took 360 ms.
Stuttering acceptance computed with spot in 246 ms :[p0, p0, p0, p0, true, p0]
Stuttering acceptance computed with spot in 225 ms :[p0, p0, p0, p0, true, p0]
Product exploration explored 100000 steps with 20000 reset in 96 ms.
Product exploration explored 100000 steps with 20000 reset in 176 ms.
Spot run failed in 81 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/ltsmin11177595390963434520
[2026-05-24 04:07:31] [INFO ] Built C files in 10ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11177595390963434520
Running compilation step : cd /tmp/ltsmin11177595390963434520;'/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 292 ms.
Running link step : cd /tmp/ltsmin11177595390963434520;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 159 ms.
Running LTSmin : cd /tmp/ltsmin11177595390963434520;'/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/stateBased226868264426268390.hoa' '--buchi-type=spotba'
LTSmin run took 45 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-02 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-02 finished in 6999 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(((X(p0) U p1)||p1))) U (X(p2)&&p2)))'
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 11 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (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-6511713040847566079.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6386215451587371453.kers'
[2026-05-24 04:07:31] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6511713040847566079.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6386215451587371453.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 84 rows 60 cols 166 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-24 04:07:31] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6386215451587371453.kers
Total runtime 1 ms.
[2026-05-24 04:07:31] [INFO ] Implicit Places using invariants in 53 ms returned []
[2026-05-24 04:07:31] [INFO ] Invariant cache hit.
[2026-05-24 04:07:31] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:31] [INFO ] Implicit Places using invariants and state equation in 92 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 146 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/72 places, 84/94 transitions.
Applied a total of 0 rules in 1 ms. Remains 61 /61 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 159 ms. Remains : 61/72 places, 84/94 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(p0) U p1)||p1))) U (X(p2)&&p2)))'
Stuttering acceptance computed with spot in 247 ms :[(NOT p2), (NOT p0), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p2) p1), (NOT p2)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-03
Stuttering criterion allowed to conclude after 126 steps with 1 reset in 1 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-03 finished in 472 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)&&(X(F(p1)) U (p1||X(p2))))))'
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 10 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (removed 10) transitions.
[2026-05-24 04:07:32] [INFO ] Invariant cache hit.
[2026-05-24 04:07:32] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 04:07:32] [INFO ] Invariant cache hit.
[2026-05-24 04:07:32] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:32] [INFO ] Implicit Places using invariants and state equation in 77 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 110 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/72 places, 84/94 transitions.
Applied a total of 0 rules in 0 ms. Remains 61 /61 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 122 ms. Remains : 61/72 places, 84/94 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)&&(X(F(p1)) U (p1||X(p2))))))'
Stuttering acceptance computed with spot in 234 ms :[(NOT p0), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-04
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-04 finished in 395 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 (G(p1) U X(X(X((X(G(!p3))&&p2)))))))'
Support contains 5 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 9 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (removed 10) transitions.
[2026-05-24 04:07:32] [INFO ] Invariant cache hit.
[2026-05-24 04:07:32] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 04:07:32] [INFO ] Invariant cache hit.
[2026-05-24 04:07:32] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:32] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 113 ms to find 0 implicit places.
Running 83 sub problems to find dead transitions.
[2026-05-24 04:07:32] [INFO ] Invariant cache hit.
[2026-05-24 04:07:32] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 3 (OVERLAPS) 84/146 variables, 62/64 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 57/121 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/146 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 6 (OVERLAPS) 0/146 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 83 unsolved
No progress, stopping.
After SMT solving in domain Real declared 146/146 variables, and 121 constraints, problems are : Problem set: 0 solved, 83 unsolved in 1798 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 62/62 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 83/83 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 83 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 1 (OVERLAPS) 1/62 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 3 (OVERLAPS) 84/146 variables, 62/64 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/146 variables, 57/121 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/146 variables, 83/204 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/146 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 83 unsolved
At refinement iteration 7 (OVERLAPS) 0/146 variables, 0/204 constraints. Problems are: Problem set: 0 solved, 83 unsolved
No progress, stopping.
After SMT solving in domain Int declared 146/146 variables, and 204 constraints, problems are : Problem set: 0 solved, 83 unsolved in 1908 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 62/62 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 83/83 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3716ms problems are : Problem set: 0 solved, 83 unsolved
Search for dead transitions found 0 dead transitions in 3717ms
Starting structural reductions in LTL mode, iteration 1 : 62/72 places, 84/94 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3839 ms. Remains : 62/72 places, 84/94 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 (G(p1) U X(X(X((X(G(!p3))&&p2)))))))'
Stuttering acceptance computed with spot in 2194 ms :[(OR (NOT p2) p3), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p2) p3), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (OR (NOT p2) p3), (OR (NOT p2) p3), true, p3, (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p2) p3), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p0) p3)), (OR (NOT p2) p3), (OR (NOT p2) p3), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) p3)), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) p3)), (NOT p0), (AND p3 (NOT p0)), p3, (AND (NOT p0) p3), p3, (AND (NOT p0) p3), p3, (AND (NOT p0) p3), p3, p3, (AND (NOT p0) (NOT p1) p3), (AND (NOT p1) p3), (AND (NOT p0) (NOT p1) p3), (AND (NOT p1) p3), (AND (NOT p0) (NOT p1) p3), (NOT p1), (AND (NOT p1) p2 p3), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1) p2 p3)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-05
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-05 finished in 6170 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)&&F(G(p1)))))'
Support contains 3 out of 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Graph (complete) has 210 edges and 72 vertex of which 68 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.2 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 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 68 transition count 88
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 66 transition count 88
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 8 place count 63 transition count 85
Iterating global reduction 0 with 3 rules applied. Total rules applied 11 place count 63 transition count 85
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 62 transition count 84
Applied a total of 13 rules in 23 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (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-5412711106176792101.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8513643121836315320.kers'
[2026-05-24 04:07:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5412711106176792101.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8513643121836315320.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 84 rows 60 cols 166 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-24 04:07:38] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8513643121836315320.kers
Total runtime 0 ms.
[2026-05-24 04:07:38] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-24 04:07:38] [INFO ] Invariant cache hit.
[2026-05-24 04:07:38] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:38] [INFO ] Implicit Places using invariants and state equation in 63 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2026-05-24 04:07:38] [INFO ] Redundant transitions in 2 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 62/72 places, 84/94 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 132 ms. Remains : 62/72 places, 84/94 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 127 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-07
Stuttering criterion allowed to conclude after 58 steps with 0 reset in 1 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-07 finished in 283 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(p1)) U X(X(G(p0))))))'
Support contains 2 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 63 transition count 85
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 63 transition count 85
Applied a total of 18 rules in 7 ms. Remains 63 /72 variables (removed 9) and now considering 85/94 (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-4953717645798851895.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13591164626162690253.kers'
[2026-05-24 04:07:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4953717645798851895.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13591164626162690253.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 85 rows 61 cols 168 entries
Finished phase 1 with 61 SingleSign rule and 0 generalized
[2026-05-24 04:07:38] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-13591164626162690253.kers
Total runtime 0 ms.
[2026-05-24 04:07:39] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 04:07:39] [INFO ] Invariant cache hit.
[2026-05-24 04:07:39] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:39] [INFO ] Implicit Places using invariants and state equation in 78 ms returned [62]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 115 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 62/72 places, 85/94 transitions.
Applied a total of 0 rules in 1 ms. Remains 62 /62 variables (removed 0) and now considering 85/85 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 123 ms. Remains : 62/72 places, 85/94 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(p1)) U X(X(G(p0))))))'
Stuttering acceptance computed with spot in 298 ms :[(NOT p0), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-09
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-09 finished in 449 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(X(X(p0)))&&F((G(F(p1))||(!p0&&F(p1)))))))'
Support contains 2 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 69 transition count 91
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 69 transition count 91
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 67 transition count 89
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 67 transition count 89
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 12 place count 65 transition count 87
Iterating global reduction 0 with 2 rules applied. Total rules applied 14 place count 65 transition count 87
Applied a total of 14 rules in 7 ms. Remains 65 /72 variables (removed 7) and now considering 87/94 (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-11631309942057103535.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11375432166789086925.kers'
[2026-05-24 04:07:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11631309942057103535.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11375432166789086925.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 87 rows 63 cols 171 entries
Finished phase 1 with 63 SingleSign rule and 0 generalized
[2026-05-24 04:07:39] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11375432166789086925.kers
Total runtime 1 ms.
[2026-05-24 04:07:39] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 04:07:39] [INFO ] Invariant cache hit.
[2026-05-24 04:07:39] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-24 04:07:39] [INFO ] Implicit Places using invariants and state equation in 87 ms returned [64]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 127 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 64/72 places, 87/94 transitions.
Applied a total of 0 rules in 0 ms. Remains 64 /64 variables (removed 0) and now considering 87/87 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 134 ms. Remains : 64/72 places, 87/94 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(X(X(p0)))&&F((G(F(p1))||(!p0&&F(p1)))))))'
Stuttering acceptance computed with spot in 380 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-11
Stuttering criterion allowed to conclude after 96 steps with 0 reset in 1 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-11 finished in 556 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(F(((!p1 U (p2||G(!p1))) U ((!p3&&(!p1 U (p2||G(!p1))))||G((!p1 U (p2||G(!p1))))))))&&p0)))'
Support contains 5 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 7 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (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-13354658767953550848.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1674562737244259837.kers'
[2026-05-24 04:07:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13354658767953550848.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1674562737244259837.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 84 rows 60 cols 166 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-24 04:07:40] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1674562737244259837.kers
Total runtime 0 ms.
[2026-05-24 04:07:40] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 04:07:40] [INFO ] Invariant cache hit.
[2026-05-24 04:07:40] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:40] [INFO ] Implicit Places using invariants and state equation in 70 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 104 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/72 places, 84/94 transitions.
Applied a total of 0 rules in 1 ms. Remains 61 /61 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 112 ms. Remains : 61/72 places, 84/94 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(F(((!p1 U (p2||G(!p1))) U ((!p3&&(!p1 U (p2||G(!p1))))||G((!p1 U (p2||G(!p1))))))))&&p0)))'
Stuttering acceptance computed with spot in 125 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (AND p1 (NOT p2)), (AND p1 (NOT p2))]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-12
Product exploration explored 100000 steps with 2053 reset in 169 ms.
Stack based approach found an accepted trace after 16 steps with 0 reset with depth 17 and stack size 17 in 1 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-12 finished in 454 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 72 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Graph (complete) has 210 edges and 72 vertex of which 69 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
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (complete) has 78 edges and 66 vertex of which 59 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.0 ms
Discarding 7 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 transitions
Graph (trivial) has 66 edges and 59 vertex of which 32 / 59 are part of one of the 16 SCC in 2 ms
Free SCC test removed 16 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 43 transition count 74
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 39 place count 34 transition count 58
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 45 place count 28 transition count 46
Iterating global reduction 2 with 6 rules applied. Total rules applied 51 place count 28 transition count 46
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 57 place count 22 transition count 34
Iterating global reduction 2 with 6 rules applied. Total rules applied 63 place count 22 transition count 34
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 69 place count 16 transition count 22
Iterating global reduction 2 with 6 rules applied. Total rules applied 75 place count 16 transition count 22
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 81 place count 10 transition count 16
Iterating global reduction 2 with 6 rules applied. Total rules applied 87 place count 10 transition count 16
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 91 place count 8 transition count 14
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 92 place count 8 transition count 13
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 94 place count 6 transition count 11
Applied a total of 94 rules in 15 ms. Remains 6 /72 variables (removed 66) and now considering 11/94 (removed 83) transitions.
[2026-05-24 04:07:40] [INFO ] Flow matrix only has 8 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-11187205100911448974.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15318180390642654102.kers'
[2026-05-24 04:07:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11187205100911448974.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15318180390642654102.kers]
Normalized transition count is 7 out of 8 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 7 rows 6 cols 11 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-24 04:07:40] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15318180390642654102.kers
Total runtime 2 ms.
[2026-05-24 04:07:40] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-05-24 04:07:40] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
[2026-05-24 04:07:40] [INFO ] Invariant cache hit.
[2026-05-24 04:07:40] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2026-05-24 04:07:40] [INFO ] Redundant transitions in 0 ms returned []
Running 6 sub problems to find dead transitions.
[2026-05-24 04:07:40] [INFO ] Flow matrix only has 8 transitions (discarded 3 similar events)
[2026-05-24 04:07:40] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 3/13 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 0/13 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 13/14 variables, and 6 constraints, problems are : Problem set: 0 solved, 6 unsolved in 77 ms.
Refiners :[State Equation: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 6/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (OVERLAPS) 3/13 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/13 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/13 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 13/14 variables, and 12 constraints, problems are : Problem set: 0 solved, 6 unsolved in 54 ms.
Refiners :[State Equation: 6/6 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 132ms problems are : Problem set: 0 solved, 6 unsolved
Search for dead transitions found 0 dead transitions in 132ms
Starting structural reductions in SI_LTL mode, iteration 1 : 6/72 places, 11/94 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 186 ms. Remains : 6/72 places, 11/94 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-08a-LTLFireability-13
Stuttering criterion allowed to conclude after 39 steps with 1 reset in 0 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-13 finished in 249 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 7 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (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-8149330772693046269.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11836141400138252577.kers'
[2026-05-24 04:07:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8149330772693046269.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11836141400138252577.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 84 rows 60 cols 166 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-24 04:07:40] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11836141400138252577.kers
Total runtime 1 ms.
[2026-05-24 04:07:40] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 04:07:40] [INFO ] Invariant cache hit.
[2026-05-24 04:07:40] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:40] [INFO ] Implicit Places using invariants and state equation in 64 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 102 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/72 places, 84/94 transitions.
Applied a total of 0 rules in 0 ms. Remains 61 /61 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 110 ms. Remains : 61/72 places, 84/94 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-14 finished in 264 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((G(p0)||(X(p1)&&G(!p2)))) U p3)))'
Support contains 5 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 94/94 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 90
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 90
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 11 place count 65 transition count 87
Iterating global reduction 0 with 3 rules applied. Total rules applied 14 place count 65 transition count 87
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 17 place count 62 transition count 84
Iterating global reduction 0 with 3 rules applied. Total rules applied 20 place count 62 transition count 84
Applied a total of 20 rules in 4 ms. Remains 62 /72 variables (removed 10) and now considering 84/94 (removed 10) transitions.
[2026-05-24 04:07:40] [INFO ] Invariant cache hit.
[2026-05-24 04:07:41] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 04:07:41] [INFO ] Invariant cache hit.
[2026-05-24 04:07:41] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-24 04:07:41] [INFO ] Implicit Places using invariants and state equation in 72 ms returned [61]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 116 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 61/72 places, 84/94 transitions.
Applied a total of 0 rules in 0 ms. Remains 61 /61 variables (removed 0) and now considering 84/84 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 120 ms. Remains : 61/72 places, 84/94 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X((G(p0)||(X(p1)&&G(!p2)))) U p3)))'
Stuttering acceptance computed with spot in 368 ms :[(NOT p3), (NOT p3), (OR (NOT p3) (AND (NOT p0) (NOT p1)) (AND (NOT p0) p2)), true, (NOT p0), (AND (NOT p2) (NOT p1)), p2, (AND (NOT p0) (NOT p1)), (AND (NOT p0) p2)]
Running random walk in product with property : DiscoveryGPU-PT-08a-LTLFireability-15
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA DiscoveryGPU-PT-08a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property DiscoveryGPU-PT-08a-LTLFireability-15 finished in 532 ms.
All properties solved by simple procedures.
Total runtime 24154 ms.

BK_STOP 1779595661524

--------------------
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-08a"
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-08a, 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-177955695400268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-08a.tgz
mv DiscoveryGPU-PT-08a 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 ;