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-177961073900020.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-a008, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r146-tall-177961073900020
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 6.8K Mar 7 07:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 07:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 7 07:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 7 07:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 10:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Mar 7 07:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Mar 7 07:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.0K Mar 7 07:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Mar 7 07:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:21 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-a008-LTLFireability-00
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-01
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-02
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-03
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-04
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-05
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-06
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-07
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-08
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-09
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-10
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-11
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-12
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-13
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-14
FORMULA_NAME FunctionPointer-PT-a008-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1779656744333

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-a008
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-24 21:05:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 21:05:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 21:05:45] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-24 21:05:45] [INFO ] Transformed 40 places.
[2026-05-24 21:05:45] [INFO ] Transformed 70 transitions.
[2026-05-24 21:05:45] [INFO ] Parsed PT model containing 40 places and 70 transitions and 284 arcs in 142 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 4 formulas.
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 4 transitions.
FORMULA FunctionPointer-PT-a008-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a008-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a008-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-a008-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 24 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 11 ms. Remains 31 /34 variables (removed 3) and now considering 66/66 (removed 0) transitions.
[2026-05-24 21:05:45] [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-2203624812532973436.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6163128189014115709.kers'
[2026-05-24 21:05:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2203624812532973436.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6163128189014115709.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 21:05:45] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-6163128189014115709.kers
Total runtime 1 ms.
[2026-05-24 21:05:46] [INFO ] Implicit Places using invariants in 157 ms returned []
[2026-05-24 21:05:46] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 21:05:46] [INFO ] Invariant cache hit.
[2026-05-24 21:05:46] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:46] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2026-05-24 21:05:46] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 21:05:46] [INFO ] Invariant cache hit.
[2026-05-24 21:05:46] [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 789 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 1171 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 2020ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 2033ms
Starting structural reductions in LTL mode, iteration 1 : 31/34 places, 66/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2329 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 2 ms. Remains 31 /31 variables (removed 0) and now considering 66/66 (removed 0) transitions.
[2026-05-24 21:05:48] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 21:05:48] [INFO ] Invariant cache hit.
[2026-05-24 21:05:48] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-24 21:05:48] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 21:05:48] [INFO ] Invariant cache hit.
[2026-05-24 21:05:48] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:48] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 68 ms. Remains : 31/31 places, 66/66 transitions.
Support contains 24 out of 31 places after structural reductions.
[2026-05-24 21:05:48] [INFO ] Flatten gal took : 24 ms
[2026-05-24 21:05:48] [INFO ] Flatten gal took : 9 ms
[2026-05-24 21:05:48] [INFO ] Input system was already deterministic with 66 transitions.
Support contains 23 out of 31 places (down from 24) after GAL structural reductions.
RANDOM walk for 19012 steps (76 resets) in 456 ms. (41 steps per ms) remains 0/22 properties
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' '!(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 18 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 21:05:49] [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-16952986876719286034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2642795898474410653.kers'
[2026-05-24 21:05:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16952986876719286034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2642795898474410653.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 21:05:49] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2642795898474410653.kers
Total runtime 0 ms.
[2026-05-24 21:05:49] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 21:05:49] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:05:49] [INFO ] Invariant cache hit.
[2026-05-24 21:05:49] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:49] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2026-05-24 21:05:49] [INFO ] Redundant transitions in 1 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 21:05:49] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:05:49] [INFO ] Invariant cache hit.
[2026-05-24 21:05:49] [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 637 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 1014 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 1677ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1677ms
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 1825 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 192 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-00
Stuttering criterion allowed to conclude after 63 steps with 0 reset in 3 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-00 finished in 2096 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(((F(!F(!p0))||X(X(X(F(p1))))) U p2)))'
Support contains 2 out of 31 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
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 13 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 21:05:51] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:05:51] [INFO ] Invariant cache hit.
[2026-05-24 21:05:51] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 21:05:51] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:05:51] [INFO ] Invariant cache hit.
[2026-05-24 21:05:51] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:51] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2026-05-24 21:05:51] [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 101 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(((F(!F(!p0))||X(X(X(F(p1))))) U p2)))'
Stuttering acceptance computed with spot in 40 ms :[(NOT p2)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-03
Stuttering criterion allowed to conclude after 159 steps with 0 reset in 3 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-03 finished in 178 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)&&X((X(!p1) U ((!p2&&X(!p1))||X(G(!p1)))))))||(F(!p0)&&X((X(F(!p3))&&(X(!p1) U ((!p2&&X(!p1))||X(G(!p1)))))))))'
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 5 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 21:05:51] [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-8109589481651558245.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1422183169819100340.kers'
[2026-05-24 21:05:51] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8109589481651558245.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1422183169819100340.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 21:05:51] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1422183169819100340.kers
Total runtime 1 ms.
[2026-05-24 21:05:51] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-24 21:05:51] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:51] [INFO ] Invariant cache hit.
[2026-05-24 21:05:51] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:51] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 21:05:51] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:51] [INFO ] Invariant cache hit.
[2026-05-24 21:05:51] [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 561 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 885 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 1457ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1458ms
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1597 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)&&X((X(!p1) U ((!p2&&X(!p1))||X(G(!p1)))))))||(F(p0)&&X((X(F(p3))&&(X(!p1) U ((!p2&&X(!p1))||X(G(!p1)))))))))'
Stuttering acceptance computed with spot in 612 ms :[(OR (NOT p0) p1), (NOT p0), (OR p1 (AND (NOT p0) (NOT p3))), p1, p1, (AND (NOT p0) (NOT p3)), p1, p1, (OR (AND (NOT p0) (NOT p3)) (AND p1 (NOT p3))), true, (AND (NOT p3) p1), (AND p1 (NOT p3)), (OR (NOT p0) (AND p1 (NOT p2))), (NOT p3)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-04
Product exploration explored 100000 steps with 33333 reset in 180 ms.
Product exploration explored 100000 steps with 33333 reset in 206 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 16 factoid took 14 ms. Proved property starting from automaton with 14 states, 32 edges and 4 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-a008-LTLFireability-04 finished in 2690 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||F((F(p1)&&X(p0)))) U X(X(X(!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 5 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 21:05:54] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:54] [INFO ] Invariant cache hit.
[2026-05-24 21:05:54] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-24 21:05:54] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:54] [INFO ] Invariant cache hit.
[2026-05-24 21:05:54] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:54] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 80 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 85 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' '!(((!p0||F((F(p1)&&X(p0)))) U X(X(X(!p2)))))'
Stuttering acceptance computed with spot in 790 ms :[p2, p2, (AND p0 (NOT p1) p2), (AND (NOT p0) p2), p2, (AND (NOT p1) p0 p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), p2, (AND p0 (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (AND (NOT p1) p2), (AND (NOT p0) p2), (NOT p1), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-05
Product exploration explored 100000 steps with 26103 reset in 158 ms.
Product exploration explored 100000 steps with 26114 reset in 101 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 3 factoid took 251 ms. Reduced automaton from 18 states, 33 edges and 3 AP (stutter sensitive) to 13 states, 23 edges and 3 AP (stutter sensitive).
RANDOM walk for 40003 steps (158 resets) in 531 ms. (75 steps per ms) remains 2/9 properties
BEST_FIRST walk for 40002 steps (8 resets) in 364 ms. (109 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 198 ms. (201 steps per ms) remains 2/2 properties
[2026-05-24 21:05:55] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:55] [INFO ] Invariant cache hit.
[2026-05-24 21:05:55] [INFO ] State equation strengthened by 8 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 32/42 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/42 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem apf4 is UNSAT
Problem apf5 is UNSAT
After SMT solving in domain Real declared 71/74 variables, and 33 constraints, problems are : Problem set: 2 solved, 0 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 27/30 constraints, ReadFeed: 5/8 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 2 invariant AP formulas.
Knowledge based reduction with 5 factoid took 303 ms. Reduced automaton from 13 states, 23 edges and 3 AP (stutter sensitive) to 12 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 535 ms :[p2, p2, p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (NOT p1), (NOT p0)]
Knowledge-based reduction took 1492 ms.
Stuttering acceptance computed with spot in 521 ms :[p2, p2, p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (NOT p1), (NOT p0)]
Support contains 5 out of 30 places. Attempting structural reductions.
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 21:05:57] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:57] [INFO ] Invariant cache hit.
[2026-05-24 21:05:57] [INFO ] Implicit Places using invariants in 43 ms returned []
[2026-05-24 21:05:57] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:05:57] [INFO ] Invariant cache hit.
[2026-05-24 21:05:57] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:05:57] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 89 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 118 ms. Reduced automaton from 12 states, 17 edges and 3 AP (stutter sensitive) to 12 states, 17 edges and 3 AP (stutter sensitive).
RANDOM walk for 889 steps (2 resets) in 6 ms. (127 steps per ms) remains 0/5 properties
Knowledge based reduction with 1 factoid took 184 ms. Reduced automaton from 12 states, 17 edges and 3 AP (stutter sensitive) to 12 states, 17 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 552 ms :[p2, p2, p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (NOT p1), (NOT p0)]
Knowledge-based reduction took 863 ms.
Stuttering acceptance computed with spot in 555 ms :[p2, p2, p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 536 ms :[p2, p2, p2, (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), p2, (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (AND (NOT p1) p2), (OR (AND (NOT p1) p2) (AND (NOT p0) p2)), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 76 ms.
Product exploration explored 100000 steps with 25000 reset in 83 ms.
Spot run failed in 248 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/ltsmin1712536336060594844
[2026-05-24 21:05:59] [INFO ] Built C files in 13ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1712536336060594844
Running compilation step : cd /tmp/ltsmin1712536336060594844;'/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 276 ms.
Running link step : cd /tmp/ltsmin1712536336060594844;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 48 ms.
Running LTSmin : cd /tmp/ltsmin1712536336060594844;'/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/stateBased12333079716048616907.hoa' '--buchi-type=spotba'
LTSmin run took 42 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-05 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property FunctionPointer-PT-a008-LTLFireability-05 finished in 6115 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 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 13 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 21:06:00] [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-6527293622124948350.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14310950179097991038.kers'
[2026-05-24 21:06:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6527293622124948350.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14310950179097991038.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 21:06:00] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-14310950179097991038.kers
Total runtime 1 ms.
[2026-05-24 21:06:00] [INFO ] Implicit Places using invariants in 41 ms returned []
[2026-05-24 21:06:00] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:06:00] [INFO ] Invariant cache hit.
[2026-05-24 21:06:00] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:00] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2026-05-24 21:06:00] [INFO ] Redundant transitions in 0 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 21:06:00] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:06:00] [INFO ] Invariant cache hit.
[2026-05-24 21:06:00] [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 1010 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 1558ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1558ms
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 1667 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 44 ms :[(NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-06
Stuttering criterion allowed to conclude after 96 steps with 0 reset in 1 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-06 finished in 1747 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 2 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 21:06:01] [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-2125875760468629593.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10896911334037205718.kers'
[2026-05-24 21:06:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2125875760468629593.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10896911334037205718.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 21:06:01] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10896911334037205718.kers
Total runtime 1 ms.
[2026-05-24 21:06:02] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 21:06:02] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:02] [INFO ] Invariant cache hit.
[2026-05-24 21:06:02] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:02] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 21:06:02] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:02] [INFO ] Invariant cache hit.
[2026-05-24 21:06:02] [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 552 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 927 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 1492ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1492ms
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1581 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(F(p0))))'
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-07
Stuttering criterion allowed to conclude after 150 steps with 0 reset in 1 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-07 finished in 1715 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((!p0||X(X(!p1))) U (G((!p0||X(X(!p1))))||((!p0||X(X(!p1)))&&X(X(X(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 4 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 21:06:03] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:03] [INFO ] Invariant cache hit.
[2026-05-24 21:06:03] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 21:06:03] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:03] [INFO ] Invariant cache hit.
[2026-05-24 21:06:03] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:03] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 79 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 84 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' '!(((!p0||X(X(!p1))) U (G((!p0||X(X(!p1))))||(X(X(X(G(p2))))&&(!p0||X(X(!p1)))))))'
Stuttering acceptance computed with spot in 283 ms :[(AND p0 p1), p1, (AND p0 p1 (NOT p2)), p1, true, (AND (NOT p2) p1), (AND (NOT p2) p1), (NOT p2)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-10
Entered a terminal (fully accepting) state of product in 11373 steps with 112 reset in 23 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-10 finished in 424 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(X(((F(G(!X(p0))) U p1)||p2)))) U 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 1 ms. Remains 30 /31 variables (removed 1) and now considering 62/66 (removed 4) transitions.
[2026-05-24 21:06:04] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:04] [INFO ] Invariant cache hit.
[2026-05-24 21:06:04] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 21:06:04] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:04] [INFO ] Invariant cache hit.
[2026-05-24 21:06:04] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:04] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 101 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(G(X(((F(G(!X(p0))) U p1)||p2)))) U p2))'
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), p0, (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-11
Stuttering criterion allowed to conclude after 28531 steps with 284 reset in 55 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-11 finished in 417 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((p0 U p1) U X(p2)) U X((!p0||G(p0)))))'
Support contains 6 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 2 ms. Remains 31 /31 variables (removed 0) and now considering 66/66 (removed 0) transitions.
[2026-05-24 21:06:04] [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-13879831516457575139.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3397710898401155214.kers'
[2026-05-24 21:06:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13879831516457575139.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3397710898401155214.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 21:06:04] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3397710898401155214.kers
Total runtime 0 ms.
[2026-05-24 21:06:04] [INFO ] Implicit Places using invariants in 47 ms returned []
[2026-05-24 21:06:04] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 21:06:04] [INFO ] Invariant cache hit.
[2026-05-24 21:06:04] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:04] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2026-05-24 21:06:04] [INFO ] Flow matrix only has 46 transitions (discarded 20 similar events)
[2026-05-24 21:06:04] [INFO ] Invariant cache hit.
[2026-05-24 21:06:04] [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 599 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 984 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 1594ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 1595ms
Finished structural reductions in LTL mode , in 1 iterations and 1687 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' '!((((p0 U p1) U X(p2)) U X((!p0||G(p0)))))'
Stuttering acceptance computed with spot in 557 ms :[false, false, false, false, false, (NOT p0), true, (AND (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-12
Product exploration explored 100000 steps with 50000 reset in 103 ms.
Product exploration explored 100000 steps with 50000 reset in 91 ms.
Computed a total of 3 stabilizing places and 8 stable transitions
Computed a total of 3 stabilizing places and 8 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 17 factoid took 18 ms. Proved property starting from automaton with 14 states, 27 edges and 3 AP (stutter sensitive
Knowledge-based reduction took 19 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FunctionPointer-PT-a008-LTLFireability-12 finished in 2513 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)))'
Support contains 2 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 21:06:07] [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-9518269285249497393.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12984726520659399338.kers'
[2026-05-24 21:06:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9518269285249497393.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12984726520659399338.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 21:06:07] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-12984726520659399338.kers
Total runtime 1 ms.
[2026-05-24 21:06:07] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-24 21:06:07] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:07] [INFO ] Invariant cache hit.
[2026-05-24 21:06:07] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:07] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2026-05-24 21:06:07] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:07] [INFO ] Invariant cache hit.
[2026-05-24 21:06:07] [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 555 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 931 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 1495ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1496ms
Starting structural reductions in LTL mode, iteration 1 : 30/31 places, 62/66 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1588 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)))'
Stuttering acceptance computed with spot in 103 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-13
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-13 finished in 1726 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)))'
Support contains 2 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 21:06:08] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:08] [INFO ] Invariant cache hit.
[2026-05-24 21:06:08] [INFO ] Implicit Places using invariants in 36 ms returned []
[2026-05-24 21:06:08] [INFO ] Flow matrix only has 44 transitions (discarded 18 similar events)
[2026-05-24 21:06:08] [INFO ] Invariant cache hit.
[2026-05-24 21:06:08] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:08] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 83 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 87 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(p0)))'
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-14 finished in 241 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
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 5 ms. Remains 30 /31 variables (removed 1) and now considering 60/66 (removed 6) transitions.
[2026-05-24 21:06:09] [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-16641523411577667528.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18216422323033052382.kers'
[2026-05-24 21:06:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16641523411577667528.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18216422323033052382.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 21:06:09] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18216422323033052382.kers
Total runtime 0 ms.
[2026-05-24 21:06:09] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-24 21:06:09] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:06:09] [INFO ] Invariant cache hit.
[2026-05-24 21:06:09] [INFO ] State equation strengthened by 8 read => feed constraints.
[2026-05-24 21:06:09] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2026-05-24 21:06:09] [INFO ] Redundant transitions in 1 ms returned []
Running 58 sub problems to find dead transitions.
[2026-05-24 21:06:09] [INFO ] Flow matrix only has 43 transitions (discarded 17 similar events)
[2026-05-24 21:06:09] [INFO ] Invariant cache hit.
[2026-05-24 21:06:09] [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 505 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 1034 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 1550ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1550ms
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 1637 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)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FunctionPointer-PT-a008-LTLFireability-15
Stuttering criterion allowed to conclude after 42 steps with 1 reset in 1 ms.
FORMULA FunctionPointer-PT-a008-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FunctionPointer-PT-a008-LTLFireability-15 finished in 1800 ms.
All properties solved by simple procedures.
Total runtime 25276 ms.

BK_STOP 1779656770838

--------------------
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-a008"
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-a008, 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-177961073900020"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-a008.tgz
mv FunctionPointer-PT-a008 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 ;