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.r018-smll-177946788000131.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutonomousCar-PT-09a, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788000131
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Mar 5 16:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 5 16:50 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 5 16:50 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.2K Mar 15 07:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 07:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.3K Mar 5 16:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 5 16:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 5 16:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 5 16:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 781K 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 AutonomousCar-PT-09a-LTLCardinality-00
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-01
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-02
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-03
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-04
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-05
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-06
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-07
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-08
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-09
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-10
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-11
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-12
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-13
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-14
FORMULA_NAME AutonomousCar-PT-09a-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1779507399227

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-09a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202604301425
[2026-05-23 03:36:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 03:36:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 03:36:42] [INFO ] Load time of PNML (sax parser for PT used): 394 ms
[2026-05-23 03:36:42] [INFO ] Transformed 89 places.
[2026-05-23 03:36:42] [INFO ] Transformed 1249 transitions.
[2026-05-23 03:36:42] [INFO ] Found NUPN structural information;
[2026-05-23 03:36:42] [INFO ] Parsed PT model containing 89 places and 1249 transitions and 15631 arcs in 642 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 345 transitions
Reduce redundant transitions removed 345 transitions.
Initial state reduction rules removed 3 formulas.
FORMULA AutonomousCar-PT-09a-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-09a-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 17 out of 89 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 89/89 places, 904/904 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 82 transition count 843
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 82 transition count 843
Applied a total of 14 rules in 81 ms. Remains 82 /89 variables (removed 7) and now considering 843/904 (removed 61) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12759911502298772314.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2593005462248656195.kers'
[2026-05-23 03:36:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12759911502298772314.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2593005462248656195.kers]
Normalized transition count is 842 out of 843 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 842 rows 81 cols 12004 entries
Finished phase 1 with 69 SingleSign rule and 0 generalized
[2026-05-23 03:36:42] [INFO ] Computed 13 invariants in 13 ms
Computed 13 P flows in 15 ms.
Exported basis to /tmp/petrispot-output-2593005462248656195.kers
Total runtime 18 ms.
[2026-05-23 03:36:44] [INFO ] Implicit Places using invariants in 1506 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1591 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 81/89 places, 843/904 transitions.
Applied a total of 0 rules in 21 ms. Remains 81 /81 variables (removed 0) and now considering 843/843 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1729 ms. Remains : 81/89 places, 843/904 transitions.
Starting structural reductions in LTL mode, iteration 0 : 81/81 places, 843/843 transitions.
Applied a total of 0 rules in 12 ms. Remains 81 /81 variables (removed 0) and now considering 843/843 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12688992844313247874.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16253776072404740815.kers'
[2026-05-23 03:36:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12688992844313247874.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16253776072404740815.kers]
Normalized transition count is 842 out of 843 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 842 rows 81 cols 12004 entries
Finished phase 1 with 69 SingleSign rule and 0 generalized
[2026-05-23 03:36:44] [INFO ] Computed 12 invariants in 7 ms
Computed 12 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-16253776072404740815.kers
Total runtime 10 ms.
[2026-05-23 03:36:44] [INFO ] Implicit Places using invariants in 379 ms returned []
[2026-05-23 03:36:44] [INFO ] Invariant cache hit.
[2026-05-23 03:36:45] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 03:36:45] [INFO ] Implicit Places using invariants and state equation in 904 ms returned [77]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1291 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 80/81 places, 843/843 transitions.
Applied a total of 0 rules in 18 ms. Remains 80 /80 variables (removed 0) and now considering 843/843 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1325 ms. Remains : 80/81 places, 843/843 transitions.
Support contains 17 out of 80 places after structural reductions.
[2026-05-23 03:36:46] [INFO ] Flatten gal took : 315 ms
[2026-05-23 03:36:46] [INFO ] Flatten gal took : 203 ms
[2026-05-23 03:36:47] [INFO ] Input system was already deterministic with 843 transitions.
RANDOM walk for 40000 steps (1907 resets) in 3359 ms. (11 steps per ms) remains 1/9 properties
BEST_FIRST walk for 40003 steps (162 resets) in 173 ms. (229 steps per ms) remains 1/1 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4217467188957572733.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-260647805348753592.kers'
[2026-05-23 03:36:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4217467188957572733.kers, --Pflows, --basisKERS=/tmp/petrispot-output-260647805348753592.kers]
Normalized transition count is 842 out of 843 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 842 rows 80 cols 12001 entries
Finished phase 1 with 69 SingleSign rule and 0 generalized
[2026-05-23 03:36:48] [INFO ] Computed 11 invariants in 7 ms
Computed 11 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-260647805348753592.kers
Total runtime 10 ms.
[2026-05-23 03:36:48] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/17 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/79 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 842/921 variables, 79/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/921 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 1/922 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/922 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1/923 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/923 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/923 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 923/923 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 529 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 80/80 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 15/17 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/17 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 62/79 variables, 9/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 842/921 variables, 79/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/921 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/921 variables, 6/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/921 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/922 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/922 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 1/923 variables, 1/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/923 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/923 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 923/923 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3817 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 80/80 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 4450ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 415 ms.
Support contains 2 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 843/843 transitions.
Graph (complete) has 942 edges and 80 vertex of which 79 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.36 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 13 rules applied. Total rules applied 14 place count 79 transition count 829
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 25 place count 68 transition count 829
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 25 place count 68 transition count 828
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 27 place count 67 transition count 828
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 30 place count 64 transition count 798
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 64 transition count 798
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 39 place count 61 transition count 795
Free-agglomeration rule applied 9 times.
Iterating global reduction 2 with 9 rules applied. Total rules applied 48 place count 61 transition count 786
Reduce places removed 9 places and 0 transitions.
Ensure Unique test removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Iterating post reduction 2 with 90 rules applied. Total rules applied 138 place count 52 transition count 705
Applied a total of 138 rules in 518 ms. Remains 52 /80 variables (removed 28) and now considering 705/843 (removed 138) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 519 ms. Remains : 52/80 places, 705/843 transitions.
RANDOM walk for 40000 steps (187 resets) in 772 ms. (51 steps per ms) remains 1/1 properties
BEST_FIRST walk for 3226 steps (0 resets) in 11 ms. (268 steps per ms) remains 0/1 properties
Computed a total of 2 stabilizing places and 2 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((G(p0) U G(p1)))))'
Support contains 3 out of 80 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 80/80 places, 843/843 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 77 transition count 813
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 77 transition count 813
Applied a total of 6 rules in 20 ms. Remains 77 /80 variables (removed 3) and now considering 813/843 (removed 30) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5761722472934866936.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15162126722818602813.kers'
[2026-05-23 03:36:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5761722472934866936.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15162126722818602813.kers]
Normalized transition count is 812 out of 813 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 812 rows 77 cols 11833 entries
Finished phase 1 with 66 SingleSign rule and 0 generalized
[2026-05-23 03:36:54] [INFO ] Computed 11 invariants in 6 ms
Computed 11 P flows in 7 ms.
Exported basis to /tmp/petrispot-output-15162126722818602813.kers
Total runtime 9 ms.
[2026-05-23 03:36:54] [INFO ] Implicit Places using invariants in 367 ms returned []
[2026-05-23 03:36:54] [INFO ] Invariant cache hit.
[2026-05-23 03:36:54] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 03:36:55] [INFO ] Implicit Places using invariants and state equation in 731 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1110 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 76/80 places, 813/843 transitions.
Applied a total of 0 rules in 12 ms. Remains 76 /76 variables (removed 0) and now considering 813/813 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1144 ms. Remains : 76/80 places, 813/843 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0) U G(p1)))))'
Stuttering acceptance computed with spot in 421 ms :[(NOT p1), (NOT p1), (NOT p1), true, (AND p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-09a-LTLCardinality-00
Stuttering criterion allowed to conclude after 94 steps with 4 reset in 13 ms.
FORMULA AutonomousCar-PT-09a-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-09a-LTLCardinality-00 finished in 1786 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 3 out of 80 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 80/80 places, 843/843 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 79 transition count 832
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 69 transition count 832
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 22 place count 67 transition count 812
Iterating global reduction 2 with 2 rules applied. Total rules applied 24 place count 67 transition count 812
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 28 place count 65 transition count 810
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 64 transition count 810
Applied a total of 30 rules in 383 ms. Remains 64 /80 variables (removed 16) and now considering 810/843 (removed 33) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3674082331023096304.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11471107950161003702.kers'
[2026-05-23 03:36:56] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3674082331023096304.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11471107950161003702.kers]
Normalized transition count is 809 out of 810 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 809 rows 64 cols 11860 entries
Finished phase 1 with 53 SingleSign rule and 0 generalized
[2026-05-23 03:36:56] [INFO ] Computed 11 invariants in 7 ms
Computed 11 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-11471107950161003702.kers
Total runtime 11 ms.
[2026-05-23 03:36:56] [INFO ] Implicit Places using invariants in 406 ms returned []
[2026-05-23 03:36:56] [INFO ] Invariant cache hit.
[2026-05-23 03:36:56] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 03:36:57] [INFO ] Implicit Places using invariants and state equation in 621 ms returned []
Implicit Place search using SMT with State Equation took 1032 ms to find 0 implicit places.
[2026-05-23 03:36:57] [INFO ] Redundant transitions in 74 ms returned []
Running 809 sub problems to find dead transitions.
[2026-05-23 03:36:57] [INFO ] Invariant cache hit.
[2026-05-23 03:36:57] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 3 (OVERLAPS) 809/873 variables, 64/78 constraints. Problems are: Problem set: 0 solved, 809 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 873/874 variables, and 78 constraints, problems are : Problem set: 0 solved, 809 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 64/64 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 809/42 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 809 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/64 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 3 (OVERLAPS) 809/873 variables, 64/78 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/873 variables, 42/120 constraints. Problems are: Problem set: 0 solved, 809 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 873/874 variables, and 129 constraints, problems are : Problem set: 0 solved, 809 unsolved in 30055 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, State Equation: 64/64 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 809/42 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 9/9 constraints]
After SMT, in 61826ms problems are : Problem set: 0 solved, 809 unsolved
Search for dead transitions found 0 dead transitions in 61846ms
Starting structural reductions in SI_LTL mode, iteration 1 : 64/80 places, 810/843 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63378 ms. Remains : 64/80 places, 810/843 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 141 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : AutonomousCar-PT-09a-LTLCardinality-04
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 1 ms.
FORMULA AutonomousCar-PT-09a-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-09a-LTLCardinality-04 finished in 63559 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 4 out of 80 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 80/80 places, 843/843 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 10 transitions
Trivial Post-agglo rules discarded 10 transitions
Performed 10 trivial Post agglomeration. Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 80 transition count 833
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 70 transition count 833
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 20 place count 70 transition count 832
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 69 transition count 832
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 67 transition count 812
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 67 transition count 812
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 65 transition count 810
Applied a total of 30 rules in 237 ms. Remains 65 /80 variables (removed 15) and now considering 810/843 (removed 33) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13840583664965381426.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13265495942750339801.kers'
[2026-05-23 03:37:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13840583664965381426.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13265495942750339801.kers]
Normalized transition count is 809 out of 810 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 809 rows 65 cols 11861 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-23 03:37:59] [INFO ] Computed 11 invariants in 12 ms
Computed 11 P flows in 12 ms.
Exported basis to /tmp/petrispot-output-13265495942750339801.kers
Total runtime 16 ms.
[2026-05-23 03:38:00] [INFO ] Implicit Places using invariants in 503 ms returned []
[2026-05-23 03:38:00] [INFO ] Invariant cache hit.
[2026-05-23 03:38:00] [INFO ] State equation strengthened by 3 read => feed constraints.
[2026-05-23 03:38:00] [INFO ] Implicit Places using invariants and state equation in 691 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1199 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 64/80 places, 810/843 transitions.
Applied a total of 0 rules in 101 ms. Remains 64 /64 variables (removed 0) and now considering 810/810 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1538 ms. Remains : 64/80 places, 810/843 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 36 ms :[(NOT p0)]
Running random walk in product with property : AutonomousCar-PT-09a-LTLCardinality-05
Product exploration explored 100000 steps with 1086 reset in 723 ms.
Product exploration explored 100000 steps with 559 reset in 280 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Computed a total of 2 stabilizing places and 2 stable transitions
Knowledge based reduction with 3 factoid took 66 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 646 steps (39 resets) in 19 ms. (32 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 78 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Knowledge-based reduction took 239 ms.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Support contains 4 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 810/810 transitions.
Applied a total of 0 rules in 89 ms. Remains 64 /64 variables (removed 0) and now considering 810/810 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9811696156227743143.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13265564407398278147.kers'
[2026-05-23 03:38:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9811696156227743143.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13265564407398278147.kers]
Normalized transition count is 809 out of 810 initially.
Culled 0 columns in 3 ms.
// Phase 1: matrix 809 rows 64 cols 11859 entries
Finished phase 1 with 54 SingleSign rule and 0 generalized
[2026-05-23 03:38:02] [INFO ] Computed 10 invariants in 10 ms
Computed 10 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-13265564407398278147.kers
Total runtime 12 ms.
[2026-05-23 03:38:02] [INFO ] Implicit Places using invariants in 358 ms returned []
[2026-05-23 03:38:02] [INFO ] Invariant cache hit.
[2026-05-23 03:38:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 03:38:03] [INFO ] Implicit Places using invariants and state equation in 595 ms returned []
Implicit Place search using SMT with State Equation took 957 ms to find 0 implicit places.
[2026-05-23 03:38:03] [INFO ] Redundant transitions in 150 ms returned []
Running 809 sub problems to find dead transitions.
[2026-05-23 03:38:03] [INFO ] Invariant cache hit.
[2026-05-23 03:38:03] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 3 (OVERLAPS) 809/873 variables, 64/74 constraints. Problems are: Problem set: 0 solved, 809 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 873/874 variables, and 75 constraints, problems are : Problem set: 0 solved, 809 unsolved in 30039 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 64/64 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 809/43 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 809 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/63 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 1 (OVERLAPS) 1/64 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/64 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 4 (OVERLAPS) 809/873 variables, 64/75 constraints. Problems are: Problem set: 0 solved, 809 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/873 variables, 43/118 constraints. Problems are: Problem set: 0 solved, 809 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 873/874 variables, and 124 constraints, problems are : Problem set: 0 solved, 809 unsolved in 30030 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 64/64 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 809/43 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 6/6 constraints]
After SMT, in 61482ms problems are : Problem set: 0 solved, 809 unsolved
Search for dead transitions found 0 dead transitions in 61494ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 62702 ms. Remains : 64/64 places, 810/810 transitions.
Computed a total of 2 stabilizing places and 2 stable transitions
Computed a total of 2 stabilizing places and 2 stable transitions
Knowledge based reduction with 3 factoid took 54 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
RANDOM walk for 448 steps (27 resets) in 14 ms. (29 steps per ms) remains 0/1 properties
Knowledge based reduction with 3 factoid took 60 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Knowledge-based reduction took 183 ms.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Product exploration explored 100000 steps with 402 reset in 258 ms.
Product exploration explored 100000 steps with 1332 reset in 719 ms.
Built C files in :
/tmp/ltsmin9635976874683191232
[2026-05-23 03:39:06] [INFO ] Computing symmetric may disable matrix : 810 transitions.
[2026-05-23 03:39:06] [INFO ] Computation of Complete disable matrix. took 121 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:39:06] [INFO ] Computing symmetric may enable matrix : 810 transitions.
[2026-05-23 03:39:06] [INFO ] Computation of Complete enable matrix. took 52 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:39:06] [INFO ] Computing Do-Not-Accords matrix : 810 transitions.
[2026-05-23 03:39:06] [INFO ] Computation of Completed DNA matrix. took 56 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:39:06] [INFO ] Built C files in 547ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin9635976874683191232
Running compilation step : cd /tmp/ltsmin9635976874683191232;'/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'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9635976874683191232;'/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' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin9635976874683191232;'/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' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
Support contains 4 out of 64 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 64/64 places, 810/810 transitions.
Applied a total of 0 rules in 83 ms. Remains 64 /64 variables (removed 0) and now considering 810/810 (removed 0) transitions.
[2026-05-23 03:39:09] [INFO ] Invariant cache hit.
[2026-05-23 03:39:10] [INFO ] Implicit Places using invariants in 444 ms returned []
[2026-05-23 03:39:10] [INFO ] Invariant cache hit.
[2026-05-23 03:39:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 03:39:11] [INFO ] Implicit Places using invariants and state equation in 890 ms returned []
Implicit Place search using SMT with State Equation took 1340 ms to find 0 implicit places.
[2026-05-23 03:39:11] [INFO ] Redundant transitions in 65 ms returned []
Skipped dead transition search.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1499 ms. Remains : 64/64 places, 810/810 transitions.
Built C files in :
/tmp/ltsmin13719313965643163568
[2026-05-23 03:39:11] [INFO ] Computing symmetric may disable matrix : 810 transitions.
[2026-05-23 03:39:11] [INFO ] Computation of Complete disable matrix. took 174 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:39:11] [INFO ] Computing symmetric may enable matrix : 810 transitions.
[2026-05-23 03:39:11] [INFO ] Computation of Complete enable matrix. took 61 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:39:11] [INFO ] Computing Do-Not-Accords matrix : 810 transitions.
[2026-05-23 03:39:11] [INFO ] Computation of Completed DNA matrix. took 54 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:39:11] [INFO ] Built C files in 639ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13719313965643163568
Running compilation step : cd /tmp/ltsmin13719313965643163568;'/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'
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13719313965643163568;'/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' killed by timeout after 3 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running cd /tmp/ltsmin13719313965643163568;'/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' killed by timeout after 3 SECONDS
at fr.lip6.move.gal.application.runner.ltsmin.LTSminRunner$1.run(LTSminRunner.java:94)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-05-23 03:39:15] [INFO ] Flatten gal took : 125 ms
[2026-05-23 03:39:15] [INFO ] Flatten gal took : 109 ms
[2026-05-23 03:39:15] [INFO ] Time to serialize gal into /tmp/LTL12347464326680473003.gal : 41 ms
[2026-05-23 03:39:15] [INFO ] Time to serialize properties into /tmp/LTL5426445392636809744.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12347464326680473003.gal' '-t' 'CGAL' '-hoa' '/tmp/aut752488402159295723.hoa' '-atoms' '/tmp/LTL5426445392636809744.prop' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...317
Loading property file /tmp/LTL5426445392636809744.prop.
Loaded 1 atomic propositions.
Checking formula 0 provided in automaton : /tmp/aut752488402159295723.hoa
Reverse transition relation is NOT exact ! Due to transitions t5, t7, t10, t11, t12, t15, t16, t19, t20, t23, t24, t27, t28, t31, t33, t36, t37, t40, t41, ...1830
Detected timeout of ITS tools.
[2026-05-23 03:39:30] [INFO ] Flatten gal took : 118 ms
[2026-05-23 03:39:30] [INFO ] Flatten gal took : 96 ms
[2026-05-23 03:39:30] [INFO ] Time to serialize gal into /tmp/LTL12598508794728291447.gal : 18 ms
[2026-05-23 03:39:30] [INFO ] Time to serialize properties into /tmp/LTL1622414415412035135.ltl : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL12598508794728291447.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL1622414415412035135.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((F(G("(((p19==0)||(p76==1))||((p66==0)||(p7==1)))"))))
Formula 0 simplified : GF!"(((p19==0)||(p76==1))||((p66==0)||(p7==1)))"
Detected timeout of ITS tools.
[2026-05-23 03:39:45] [INFO ] Flatten gal took : 80 ms
[2026-05-23 03:39:45] [INFO ] Applying decomposition
[2026-05-23 03:39:46] [INFO ] Flatten gal took : 82 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph9049599901499175979.txt' '-o' '/tmp/graph9049599901499175979.bin' '-w' '/tmp/graph9049599901499175979.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9049599901499175979.bin' '-l' '-1' '-v' '-w' '/tmp/graph9049599901499175979.weights' '-q' '0' '-e' '0.001'
[2026-05-23 03:39:46] [INFO ] Decomposing Gal with order
[2026-05-23 03:39:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 03:39:46] [INFO ] Removed a total of 5569 redundant transitions.
[2026-05-23 03:39:46] [INFO ] Flatten gal took : 343 ms
[2026-05-23 03:39:47] [INFO ] Fuse similar labels procedure discarded/fused a total of 39 labels/synchronizations in 121 ms.
[2026-05-23 03:39:47] [INFO ] Time to serialize gal into /tmp/LTL8735865858117434385.gal : 15 ms
[2026-05-23 03:39:47] [INFO ] Time to serialize properties into /tmp/LTL2392620388434564710.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL8735865858117434385.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL2392620388434564710.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...254
Read 1 LTL properties
Checking formula 0 : !((F(G("(((u1.p19==0)||(i10.u19.p76==1))||((u14.p66==0)||(u20.p7==1)))"))))
Formula 0 simplified : GF!"(((u1.p19==0)||(i10.u19.p76==1))||((u14.p66==0)||(u20.p7==1)))"
Reverse transition relation is NOT exact ! Due to transitions t447, t448, t449, t450, t451, t452, t453, t454, t455, t456, t457, t458, t459, t460, t461, t46...1943
Computing Next relation with stutter on 393130 deadlock states
Detected timeout of ITS tools.
Treatment of property AutonomousCar-PT-09a-LTLCardinality-05 finished in 122965 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0) U G(!p1))||G(!p2)) U X(p3)))'
Support contains 8 out of 80 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 80/80 places, 843/843 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 79 transition count 833
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 79 transition count 833
Applied a total of 2 rules in 8 ms. Remains 79 /80 variables (removed 1) and now considering 833/843 (removed 10) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2664559050487472010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2125119802740906115.kers'
[2026-05-23 03:40:02] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2664559050487472010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2125119802740906115.kers]
Normalized transition count is 832 out of 833 initially.
Culled 0 columns in 2 ms.
// Phase 1: matrix 832 rows 79 cols 11945 entries
Finished phase 1 with 68 SingleSign rule and 0 generalized
[2026-05-23 03:40:02] [INFO ] Computed 11 invariants in 7 ms
Computed 11 P flows in 8 ms.
Exported basis to /tmp/petrispot-output-2125119802740906115.kers
Total runtime 9 ms.
[2026-05-23 03:40:02] [INFO ] Implicit Places using invariants in 332 ms returned []
[2026-05-23 03:40:02] [INFO ] Invariant cache hit.
[2026-05-23 03:40:02] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 03:40:03] [INFO ] Implicit Places using invariants and state equation in 752 ms returned [77]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 1088 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 78/80 places, 833/843 transitions.
Applied a total of 0 rules in 4 ms. Remains 78 /78 variables (removed 0) and now considering 833/833 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 1101 ms. Remains : 78/80 places, 833/843 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((((X(p0) U G(!p1))||G(!p2)) U X(p3)))'
Stuttering acceptance computed with spot in 931 ms :[(NOT p3), (AND p1 p2 (NOT p0) (NOT p3)), (AND p1 p2 (NOT p3)), (NOT p3), (AND p1 (NOT p0) (NOT p3)), (AND p1 (NOT p3)), (AND p2 (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), true, (AND p1 p0), p2, (AND p1 p0 p2), (NOT p0), (AND p1 (NOT p0) p2), (AND p1 p2), (AND p1 (NOT p0)), p1, (AND p2 (NOT p0))]
Running random walk in product with property : AutonomousCar-PT-09a-LTLCardinality-11
Entered a terminal (fully accepting) state of product in 11 steps with 3 reset in 1 ms.
FORMULA AutonomousCar-PT-09a-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property AutonomousCar-PT-09a-LTLCardinality-11 finished in 2112 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)))'
Spot run failed in 99 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/senseclsl.py", line 2, in
import spot, sys
ModuleNotFoundError: No module named 'spot'
Warning : SL/CL computation failed.
[2026-05-23 03:40:04] [INFO ] Flatten gal took : 105 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin13718231980538921655
[2026-05-23 03:40:04] [INFO ] Computing symmetric may disable matrix : 843 transitions.
[2026-05-23 03:40:04] [INFO ] Applying decomposition
[2026-05-23 03:40:04] [INFO ] Computation of Complete disable matrix. took 104 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:40:04] [INFO ] Computing symmetric may enable matrix : 843 transitions.
[2026-05-23 03:40:04] [INFO ] Flatten gal took : 106 ms
[2026-05-23 03:40:04] [INFO ] Computation of Complete enable matrix. took 29 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:40:04] [INFO ] Computing Do-Not-Accords matrix : 843 transitions.
[2026-05-23 03:40:05] [INFO ] Computation of Completed DNA matrix. took 57 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2026-05-23 03:40:05] [INFO ] Built C files in 451ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13718231980538921655
Running compilation step : cd /tmp/ltsmin13718231980538921655;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' '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'
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph2862517335857393650.txt' '-o' '/tmp/graph2862517335857393650.bin' '-w' '/tmp/graph2862517335857393650.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph2862517335857393650.bin' '-l' '-1' '-v' '-w' '/tmp/graph2862517335857393650.weights' '-q' '0' '-e' '0.001'
[2026-05-23 03:40:05] [INFO ] Decomposing Gal with order
[2026-05-23 03:40:05] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 03:40:05] [INFO ] Removed a total of 6116 redundant transitions.
[2026-05-23 03:40:05] [INFO ] Flatten gal took : 243 ms
[2026-05-23 03:40:05] [INFO ] Fuse similar labels procedure discarded/fused a total of 53 labels/synchronizations in 37 ms.
[2026-05-23 03:40:05] [INFO ] Time to serialize gal into /tmp/LTLCardinality1454427886018032897.gal : 6 ms
[2026-05-23 03:40:05] [INFO ] Time to serialize properties into /tmp/LTLCardinality7140798426515056492.ltl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality1454427886018032897.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality7140798426515056492.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...276
Read 1 LTL properties
Checking formula 0 : !((F(G("(((u1.p19==0)||(i8.u18.p76==1))||((i10.u14.p66==0)||(u19.p7==1)))"))))
Formula 0 simplified : GF!"(((u1.p19==0)||(i8.u18.p76==1))||((i10.u14.p66==0)||(u19.p7==1)))"
Compilation finished in 7381 ms.
Running link step : cd /tmp/ltsmin13718231980538921655;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 98 ms.
Running LTSmin : cd /tmp/ltsmin13718231980538921655;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '--ltl' '<>([]((LTLAPp0==true)))' '--buchi-type=spotba'
Reverse transition relation is NOT exact ! Due to transitions t151, t277, t455, t456, t457, t458, t471, t472, t473, t474, t487, t488, t489, t490, t503, t50...650
Computing Next relation with stutter on 393130 deadlock states
Detected timeout of ITS tools.
[2026-05-23 04:01:14] [INFO ] Applying decomposition
[2026-05-23 04:01:15] [INFO ] Flatten gal took : 869 ms
[2026-05-23 04:01:15] [INFO ] Decomposing Gal with order
[2026-05-23 04:01:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 04:01:17] [INFO ] Removed a total of 5873 redundant transitions.
[2026-05-23 04:01:17] [INFO ] Flatten gal took : 1247 ms
[2026-05-23 04:01:17] [INFO ] Fuse similar labels procedure discarded/fused a total of 59 labels/synchronizations in 78 ms.
[2026-05-23 04:01:17] [INFO ] Time to serialize gal into /tmp/LTLCardinality6344931676007086907.gal : 24 ms
[2026-05-23 04:01:17] [INFO ] Time to serialize properties into /tmp/LTLCardinality11902663907501246830.ltl : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTLCardinality6344931676007086907.gal' '-t' 'CGAL' '-LTL' '/tmp/LTLCardinality11902663907501246830.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/L...277
Read 1 LTL properties
Checking formula 0 : !((F(G("(((u3.p19==0)||(u12.p76==1))||((u10.p66==0)||(u2.p7==1)))"))))
Formula 0 simplified : GF!"(((u3.p19==0)||(u12.p76==1))||((u10.p66==0)||(u2.p7==1)))"
Reverse transition relation is NOT exact ! Due to transitions t50, t167, t302, t318, t352, t841, u2.t316, u3.t40, u3.t41, u4.t36, u4.t37, u5.t31, u5.t32, u...401
Computing Next relation with stutter on 393130 deadlock states
2 unique states visited
2 strongly connected components in search stack
2 transitions explored
2 items max in DFS search stack
65 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.704178,35724,1,0,50139,1702,765,48753,396,10573,67363
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA AutonomousCar-PT-09a-LTLCardinality-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 1477086 ms.

BK_STOP 1779508879693

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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="AutonomousCar-PT-09a"
export BK_EXAMINATION="LTLCardinality"
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 AutonomousCar-PT-09a, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r018-smll-177946788000131"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-09a.tgz
mv AutonomousCar-PT-09a execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;