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.r146-tall-177961073900044.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)
.........................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is FunctionPointer-PT-a064, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961073900044
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 6.7K Mar 7 07:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 07:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.0K Mar 7 07:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 31K Mar 7 07:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 07:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 187K Mar 7 07:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 07:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 122K Mar 7 07:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 34K 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 FunctionPointer-PT-a064-LTLFireability-00
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-01
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-02
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-03
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-04
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-05
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-06
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-07
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-08
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-09
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-10
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-11
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-12
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-13
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-14
FORMULA_NAME FunctionPointer-PT-a064-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779664078355

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-a064
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 23:07:59] [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 23:07:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 23:07:59] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2026-05-24 23:07:59] [INFO ] Transformed 40 places.
[2026-05-24 23:07:59] [INFO ] Transformed 70 transitions.
[2026-05-24 23:07:59] [INFO ] Parsed PT model containing 40 places and 70 transitions and 284 arcs in 138 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 4 transitions.
FORMULA FunctionPointer-PT-a064-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a064-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a064-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 21 out of 34 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 34/34 places, 66/66 transitions.
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 31 transition count 66
Applied a total of 3 rules in 10 ms. Remains 31 /34 variables (removed 3) and now considering 66/66 (removed 0) transitions.
[2026-05-24 23:07:59] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12838444844915507363.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16836274952775800413.kers'
[2026-05-24 23:07:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12838444844915507363.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16836274952775800413.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 46 rows 31 cols 132 entries
Finished phase 1 with 28 SingleSign rule and 1 generalized
[2026-05-24 23:07:59] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-16836274952775800413.kers
Total runtime 2 ms.
[2026-05-24 23:08:00] [INFO ] Implicit Places using invariants in 207 ms returned []
[2026-05-24 23:08:00] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 23:08:00] [INFO ] Invariant cache hit.
[2026-05-24 23:08:00] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:00] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 369 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2026-05-24 23:08:00] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 23:08:00] [INFO ] Invariant cache hit.
[2026-05-24 23:08:00] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 46/77 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 64 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/77 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 77/77 variables, and 41 constraints, problems are : Problem set: 0 solved, 64 unsolved in 790 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 46/77 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 64/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 0/77 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 77/77 variables, and 105 constraints, problems are : Problem set: 0 solved, 64 unsolved in 1175 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2024ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 2035ms
Starting structural reductions in LTL mode, iteration 1 : 31/34 places, 66/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2444 ms. Remains : 31/34 places, 66/66 transitions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 66/66 (removed 0) transitions.
[2026-05-24 23:08:02] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 23:08:02] [INFO ] Invariant cache hit.
[2026-05-24 23:08:02] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 23:08:02] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 23:08:02] [INFO ] Invariant cache hit.
[2026-05-24 23:08:02] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:02] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 67 ms. Remains : 31/31 places, 66/66 transitions.
Support contains 21 out of 31 places after structural reductions.
[2026-05-24 23:08:02] [INFO ] Flatten gal took : 27 ms
[2026-05-24 23:08:02] [INFO ] Flatten gal took : 9 ms
[2026-05-24 23:08:02] [INFO ] Input system was already deterministic with 66 transitions.
Reduction of identical properties reduced properties to check from 23 to 22
RANDOM walk for 6623 steps (16 resets) in 135 ms. (48 steps per ms) remains 0/22 properties
FORMULA FunctionPointer-PT-a064-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 3 stabilizing places and 8 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(X(p0)) U p0)&&(F(p1) U (p2 U (p1 U p3)))))'
Support contains 7 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Applied a total of 0 rules in 1 ms. Remains 31 /31 variables (removed 0) and now considering 66/66 (removed 0) transitions.
[2026-05-24 23:08:03] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 23:08:03] [INFO ] Invariant cache hit.
[2026-05-24 23:08:03] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 23:08:03] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 23:08:03] [INFO ] Invariant cache hit.
[2026-05-24 23:08:03] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:03] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 31/31 places, 66/66 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 p0)&&(F(p1) U (p2 U (p1 U p3)))))'
Stuttering acceptance computed with spot in 374 ms :[(OR (NOT p3) (NOT p0)), (NOT p1), (NOT p3), (NOT p0), (NOT p0), true]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-01
Stuttering criterion allowed to conclude after 57 steps with 1 reset in 3 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-01 finished in 547 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Support contains 3 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 31 transition count 64
Applied a total of 2 rules in 16 ms. Remains 31 /31 variables (removed 0) and now considering 64/66 (removed 2) transitions.
[2026-05-24 23:08:03] [INFO ] Flow matrix only has 45 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3765353862500658357.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2861262313231901812.kers'
[2026-05-24 23:08:03] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3765353862500658357.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2861262313231901812.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 45 rows 31 cols 130 entries
Finished phase 1 with 28 SingleSign rule and 1 generalized
[2026-05-24 23:08:03] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2861262313231901812.kers
Total runtime 0 ms.
[2026-05-24 23:08:03] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-24 23:08:03] [INFO ] Flow matrix only has 45 transitions (discarded 19 similar events)
[2026-05-24 23:08:03] [INFO ] Invariant cache hit.
[2026-05-24 23:08:03] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:03] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2026-05-24 23:08:03] [INFO ] Redundant transitions in 0 ms returned []
Running 62 sub problems to find dead transitions.
[2026-05-24 23:08:03] [INFO ] Flow matrix only has 45 transitions (discarded 19 similar events)
[2026-05-24 23:08:03] [INFO ] Invariant cache hit.
[2026-05-24 23:08:03] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 45/76 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 62 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/76 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 41 constraints, problems are : Problem set: 0 solved, 62 unsolved in 723 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/31 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/31 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/31 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 45/76 variables, 31/33 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 8/41 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 62/103 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 0/76 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 103 constraints, problems are : Problem set: 0 solved, 62 unsolved in 1054 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 31/31 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1792ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 1792ms
Starting structural reductions in SI_LTL mode, iteration 1 : 31/31 places, 64/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1901 ms. Remains : 31/31 places, 64/66 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U p1))'
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-02
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-02 finished in 2012 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 3 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 29 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 23:08:05] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7478710252642596135.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8415770424895026417.kers'
[2026-05-24 23:08:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7478710252642596135.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8415770424895026417.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 30 cols 126 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 23:08:05] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8415770424895026417.kers
Total runtime 0 ms.
[2026-05-24 23:08:05] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 23:08:05] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 23:08:05] [INFO ] Invariant cache hit.
[2026-05-24 23:08:05] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:05] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2026-05-24 23:08:05] [INFO ] Redundant transitions in 1 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 23:08:05] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 23:08:05] [INFO ] Invariant cache hit.
[2026-05-24 23:08:05] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 40 constraints, problems are : Problem set: 0 solved, 58 unsolved in 537 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 58/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 98 constraints, problems are : Problem set: 0 solved, 58 unsolved in 887 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1435ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1436ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1561 ms. Remains : 30/31 places, 60/66 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 50 ms :[(NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-03
Stuttering criterion allowed to conclude after 41 steps with 0 reset in 2 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-03 finished in 1647 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 10 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 23:08:07] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 23:08:07] [INFO ] Invariant cache hit.
[2026-05-24 23:08:07] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 23:08:07] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 23:08:07] [INFO ] Invariant cache hit.
[2026-05-24 23:08:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:07] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2026-05-24 23:08:07] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 98 ms. Remains : 30/31 places, 60/66 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 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-04
Stuttering criterion allowed to conclude after 51 steps with 0 reset in 1 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-04 finished in 200 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 p1)&&X(F(p2)))))'
Support contains 6 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 2 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:07] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4213283300458927581.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11837345009192239318.kers'
[2026-05-24 23:08:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4213283300458927581.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11837345009192239318.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 30 cols 128 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 23:08:07] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11837345009192239318.kers
Total runtime 0 ms.
[2026-05-24 23:08:07] [INFO ] Implicit Places using invariants in 40 ms returned []
[2026-05-24 23:08:07] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:07] [INFO ] Invariant cache hit.
[2026-05-24 23:08:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:07] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 23:08:07] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:07] [INFO ] Invariant cache hit.
[2026-05-24 23:08:07] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 74/74 variables, and 40 constraints, problems are : Problem set: 0 solved, 60 unsolved in 544 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 60/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 74/74 variables, and 100 constraints, problems are : Problem set: 0 solved, 60 unsolved in 975 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1529ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1529ms
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1621 ms. Remains : 30/31 places, 62/66 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 p1)&&X(F(p2)))))'
Stuttering acceptance computed with spot in 234 ms :[(OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2)), true, (NOT p0), (NOT p1), (NOT p2)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-05
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-05 finished in 1891 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((X(G(p1))||p0)))))'
Support contains 3 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 3 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:09] [INFO ] Invariant cache hit.
[2026-05-24 23:08:09] [INFO ] Implicit Places using invariants in 39 ms returned []
[2026-05-24 23:08:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:09] [INFO ] Invariant cache hit.
[2026-05-24 23:08:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:09] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 102 ms. Remains : 30/31 places, 62/66 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((X(G(p1))||p0)))))'
Stuttering acceptance computed with spot in 193 ms :[true, (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-06
Entered a terminal (fully accepting) state of product in 44 steps with 0 reset in 1 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-06 finished in 324 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((X(X(!p0)) U ((!p1&&X(X(!p0)))||X(X(G(!p0))))))&&F((G(F(!p1))||(!p2&&F(!p1))))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 4 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:09] [INFO ] Invariant cache hit.
[2026-05-24 23:08:09] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-24 23:08:09] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:09] [INFO ] Invariant cache hit.
[2026-05-24 23:08:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:09] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 30/31 places, 62/66 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(!p0)) U ((!p1&&X(X(!p0)))||X(X(G(!p0))))))&&F((G(F(!p1))||(p2&&F(!p1))))))'
Stuttering acceptance computed with spot in 294 ms :[(OR p1 p0), p1, p1, p0, p0, p0, true]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-07
Product exploration explored 100000 steps with 25000 reset in 192 ms.
Product exploration explored 100000 steps with 25000 reset in 150 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge based reduction with 11 factoid took 78 ms. Reduced automaton from 7 states, 12 edges and 3 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 1594 steps (2 resets) in 7 ms. (199 steps per ms) remains 0/1 properties
Knowledge based reduction with 11 factoid took 53 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 167 ms :[p0, p0, p0, p0, true]
Knowledge-based reduction took 316 ms.
Stuttering acceptance computed with spot in 167 ms :[p0, p0, p0, p0, true]
Support contains 2 out of 30 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 30/30 places, 62/62 transitions.
Applied a total of 0 rules in 2 ms. Remains 30 /30 variables (removed 0) and now considering 62/62 (removed 0) transitions.
[2026-05-24 23:08:10] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:10] [INFO ] Invariant cache hit.
[2026-05-24 23:08:10] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-24 23:08:10] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:10] [INFO ] Invariant cache hit.
[2026-05-24 23:08:10] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:11] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 30/30 places, 62/62 transitions.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Knowledge based reduction with 1 factoid took 54 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
RANDOM walk for 1904 steps (3 resets) in 9 ms. (190 steps per ms) remains 0/1 properties
Knowledge based reduction with 1 factoid took 75 ms. Reduced automaton from 5 states, 5 edges and 1 AP (stutter sensitive) to 5 states, 5 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 182 ms :[p0, p0, p0, p0, true]
Knowledge-based reduction took 318 ms.
Stuttering acceptance computed with spot in 184 ms :[p0, p0, p0, p0, true]
Stuttering acceptance computed with spot in 197 ms :[p0, p0, p0, p0, true]
Product exploration explored 100000 steps with 25000 reset in 154 ms.
Product exploration explored 100000 steps with 25000 reset in 119 ms.
Spot run failed in 89 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/ltsmin1893708985017436904
[2026-05-24 23:08:12] [INFO ] Built C files in 18ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1893708985017436904
Running compilation step : cd /tmp/ltsmin1893708985017436904;'/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 273 ms.
Running link step : cd /tmp/ltsmin1893708985017436904;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 49 ms.
Running LTSmin : cd /tmp/ltsmin1893708985017436904;'/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/stateBased4088495302261233453.hoa' '--buchi-type=spotba'
LTSmin run took 42 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-07 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FunctionPointer-PT-a064-LTLFireability-07 finished in 2871 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((F(p0)&&X(X((X(X(G(p1))) U G(!p2))))))))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 3 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:12] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:12] [INFO ] Invariant cache hit.
[2026-05-24 23:08:12] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 23:08:12] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:12] [INFO ] Invariant cache hit.
[2026-05-24 23:08:12] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:12] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 30/31 places, 62/66 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((F(p0)&&X(X((X(X(G(p1))) U G(!p2))))))))'
Stuttering acceptance computed with spot in 452 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), (NOT p0), (AND (NOT p0) p2 (NOT p1)), p2, (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) p2 p1)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-08
Stuttering criterion allowed to conclude after 53 steps with 1 reset in 1 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-08 finished in 567 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(((X(X(p0)) U G(p1))&&X(p2)))))))'
Support contains 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 2 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:13] [INFO ] Invariant cache hit.
[2026-05-24 23:08:13] [INFO ] Implicit Places using invariants in 27 ms returned []
[2026-05-24 23:08:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:13] [INFO ] Invariant cache hit.
[2026-05-24 23:08:13] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:13] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
Skipped dead transition search.
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 30/31 places, 62/66 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(((X(X(p0)) U G(p1))&&X(p2)))))))'
Stuttering acceptance computed with spot in 517 ms :[(OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (OR (NOT p2) (NOT p1)), (NOT p0), (NOT p1), (NOT p2), (AND (NOT p0) (NOT p1)), (NOT p0), true, (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-10
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-10 finished in 628 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 4 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 10 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:13] [INFO ] Invariant cache hit.
[2026-05-24 23:08:13] [INFO ] Implicit Places using invariants in 35 ms returned []
[2026-05-24 23:08:13] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:13] [INFO ] Invariant cache hit.
[2026-05-24 23:08:13] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:13] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2026-05-24 23:08:13] [INFO ] Redundant transitions in 0 ms returned []
Skipped dead transition search.
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 103 ms. Remains : 30/31 places, 62/66 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 111 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-11
Stuttering criterion allowed to conclude after 20 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-11 finished in 237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(!p0))'
Support contains 2 out of 31 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 30 transition count 60
Applied a total of 6 rules in 9 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 23:08:13] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10281390980462662103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9924885009186807546.kers'
[2026-05-24 23:08:13] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10281390980462662103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9924885009186807546.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 43 rows 30 cols 126 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 23:08:13] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-9924885009186807546.kers
Total runtime 0 ms.
[2026-05-24 23:08:14] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 23:08:14] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 23:08:14] [INFO ] Invariant cache hit.
[2026-05-24 23:08:14] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:14] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2026-05-24 23:08:14] [INFO ] Redundant transitions in 0 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 23:08:14] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 23:08:14] [INFO ] Invariant cache hit.
[2026-05-24 23:08:14] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/73 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 73/73 variables, and 40 constraints, problems are : Problem set: 0 solved, 58 unsolved in 594 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 43/73 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 58/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/73 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 73/73 variables, and 98 constraints, problems are : Problem set: 0 solved, 58 unsolved in 902 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1510ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1510ms
Starting structural reductions in SI_LTL mode, iteration 1 : 30/31 places, 60/66 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1618 ms. Remains : 30/31 places, 60/66 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-13
Stuttering criterion allowed to conclude after 255 steps with 17 reset in 1 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-13 finished in 1685 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((X(p0) U !p1))) U G(p2)))'
Support contains 5 out of 31 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 31/31 places, 66/66 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 30 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 30 transition count 64
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 4 place count 30 transition count 62
Applied a total of 4 rules in 2 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 23:08:15] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3098221434853925087.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-875843399643737247.kers'
[2026-05-24 23:08:15] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3098221434853925087.kers, --Pflows, --basisKERS=/tmp/petrispot-output-875843399643737247.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 44 rows 30 cols 128 entries
Finished phase 1 with 27 SingleSign rule and 1 generalized
[2026-05-24 23:08:15] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-875843399643737247.kers
Total runtime 1 ms.
[2026-05-24 23:08:15] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 23:08:15] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:15] [INFO ] Invariant cache hit.
[2026-05-24 23:08:15] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 23:08:15] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 100 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 23:08:15] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 23:08:15] [INFO ] Invariant cache hit.
[2026-05-24 23:08:15] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/74 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 74/74 variables, and 40 constraints, problems are : Problem set: 0 solved, 60 unsolved in 511 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/30 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/30 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 44/74 variables, 30/32 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 8/40 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/74 variables, 60/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/74 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 74/74 variables, and 100 constraints, problems are : Problem set: 0 solved, 60 unsolved in 985 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 30/30 constraints, ReadFeed: 8/8 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1503ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1504ms
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1606 ms. Remains : 30/31 places, 62/66 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((X(p0) U !p1))) U G(p2)))'
Stuttering acceptance computed with spot in 207 ms :[p2, p2, (AND (NOT p1) p2), (AND (NOT p1) p2), (AND p2 (NOT p1) p0)]
Running random walk in product with property : FunctionPointer-PT-a064-LTLFireability-15
Product exploration explored 100000 steps with 3450 reset in 240 ms.
Stack based approach found an accepted trace after 28533 steps with 978 reset with depth 37 and stack size 37 in 72 ms.
FORMULA FunctionPointer-PT-a064-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property FunctionPointer-PT-a064-LTLFireability-15 finished in 2170 ms.
All properties solved by simple procedures.
Total runtime 18267 ms.

BK_STOP 1779664097878

--------------------
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="FunctionPointer-PT-a064"
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 FunctionPointer-PT-a064, 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 r146-tall-177961073900044"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-a064.tgz
mv FunctionPointer-PT-a064 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 ;