About the Execution of ITS-Tools for FlexibleBarrier-PT-08a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 381.063 | 35612.00 | 59137.00 | 225.50 | FTFTTFFTTTTFFFTT | normal |
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.r130-smll-177955809100337.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 FlexibleBarrier-PT-08a, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100337
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 7.5K Mar 7 06:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 7 06:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 06:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:11 LTLCardinality.xml
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-rw-r--r-- 1 mcc users 14K Mar 7 06:18 ReachabilityCardinality.txt
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--------------------
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 FlexibleBarrier-PT-08a-CTLCardinality-2024-00
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-01
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-02
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-03
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-04
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-05
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-06
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-07
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-08
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-09
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-10
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-11
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-12
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-13
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-14
FORMULA_NAME FlexibleBarrier-PT-08a-CTLCardinality-2024-15
=== Now, execution of the tool begins
BK_START 1779874034193
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-08a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202604301425
[2026-05-27 09:27:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 09:27:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 09:27:16] [INFO ] Load time of PNML (sax parser for PT used): 126 ms
[2026-05-27 09:27:16] [INFO ] Transformed 99 places.
[2026-05-27 09:27:16] [INFO ] Transformed 236 transitions.
[2026-05-27 09:27:16] [INFO ] Found NUPN structural information;
[2026-05-27 09:27:16] [INFO ] Parsed PT model containing 99 places and 236 transitions and 985 arcs in 301 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 24 ms.
Ensure Unique test removed 50 transitions
Reduce redundant transitions removed 50 transitions.
Initial state reduction rules removed 2 formulas.
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 69 out of 99 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 186/186 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 8 place count 99 transition count 178
Applied a total of 8 rules in 58 ms. Remains 99 /99 variables (removed 0) and now considering 178/186 (removed 8) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-18168821798492774422.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3458555628603805930.kers'
[2026-05-27 09:27:16] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18168821798492774422.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3458555628603805930.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:27:16] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3458555628603805930.kers
Total runtime 3 ms.
[2026-05-27 09:27:17] [INFO ] Implicit Places using invariants in 451 ms returned []
[2026-05-27 09:27:17] [INFO ] Invariant cache hit.
[2026-05-27 09:27:17] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-27 09:27:17] [INFO ] Implicit Places using invariants and state equation in 302 ms returned []
Implicit Place search using SMT with State Equation took 845 ms to find 0 implicit places.
Running 177 sub problems to find dead transitions.
[2026-05-27 09:27:17] [INFO ] Invariant cache hit.
[2026-05-27 09:27:17] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (OVERLAPS) 0/277 variables, 0/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Real declared 277/277 variables, and 305 constraints, problems are : Problem set: 0 solved, 177 unsolved in 11929 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 177 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/98 variables, 98/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/98 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 2 (OVERLAPS) 1/99 variables, 10/108 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/99 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 5 (OVERLAPS) 178/277 variables, 99/208 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/277 variables, 97/305 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/277 variables, 177/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
At refinement iteration 9 (OVERLAPS) 0/277 variables, 0/482 constraints. Problems are: Problem set: 0 solved, 177 unsolved
No progress, stopping.
After SMT solving in domain Int declared 277/277 variables, and 482 constraints, problems are : Problem set: 0 solved, 177 unsolved in 11175 ms.
Refiners :[Domain max(s): 99/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 99/99 constraints, ReadFeed: 97/97 constraints, PredecessorRefiner: 177/177 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23314ms problems are : Problem set: 0 solved, 177 unsolved
Search for dead transitions found 0 dead transitions in 23365ms
Starting structural reductions in LTL mode, iteration 1 : 99/99 places, 178/186 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 24374 ms. Remains : 99/99 places, 178/186 transitions.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:27:41] [INFO ] Invariant cache hit.
[2026-05-27 09:27:41] [INFO ] Implicit Places using invariants in 63 ms returned []
[2026-05-27 09:27:41] [INFO ] Invariant cache hit.
[2026-05-27 09:27:41] [INFO ] State equation strengthened by 97 read => feed constraints.
[2026-05-27 09:27:41] [INFO ] Implicit Places using invariants and state equation in 188 ms returned []
Implicit Place search using SMT with State Equation took 253 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 256 ms. Remains : 99/99 places, 178/178 transitions.
Support contains 69 out of 99 places after structural reductions.
[2026-05-27 09:27:41] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2026-05-27 09:27:41] [INFO ] Flatten gal took : 58 ms
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-27 09:27:41] [INFO ] Flatten gal took : 30 ms
[2026-05-27 09:27:41] [INFO ] Input system was already deterministic with 178 transitions.
Support contains 54 out of 99 places (down from 69) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 43 to 42
RANDOM walk for 40000 steps (8 resets) in 1690 ms. (23 steps per ms) remains 5/42 properties
BEST_FIRST walk for 40002 steps (8 resets) in 329 ms. (121 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 207 ms. (192 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 145 ms. (274 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 108 ms. (367 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 5/5 properties
[2026-05-27 09:27:42] [INFO ] Invariant cache hit.
[2026-05-27 09:27:42] [INFO ] State equation strengthened by 97 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 12/12 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/12 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp33 is UNSAT
Problem AtomicPropp34 is UNSAT
Problem AtomicPropp35 is UNSAT
Problem AtomicPropp40 is UNSAT
After SMT solving in domain Real declared 99/277 variables, and 22 constraints, problems are : Problem set: 5 solved, 0 unsolved in 92 ms.
Refiners :[Domain max(s): 12/99 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 0/99 constraints, ReadFeed: 0/97 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 104ms problems are : Problem set: 5 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 5 atomic propositions for a total of 13 simplifications.
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-27 09:27:42] [INFO ] Flatten gal took : 18 ms
[2026-05-27 09:27:42] [INFO ] Flatten gal took : 21 ms
[2026-05-27 09:27:42] [INFO ] Input system was already deterministic with 178 transitions.
Computed a total of 3 stabilizing places and 1 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 74 edges and 99 vertex of which 21 / 99 are part of one of the 7 SCC in 4 ms
Free SCC test removed 14 places
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 15 place count 78 transition count 136
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 0 with 28 rules applied. Total rules applied 43 place count 78 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 44 place count 78 transition count 107
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 45 place count 77 transition count 107
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 46 place count 77 transition count 107
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 47 place count 76 transition count 106
Iterating global reduction 2 with 1 rules applied. Total rules applied 48 place count 76 transition count 106
Applied a total of 48 rules in 81 ms. Remains 76 /99 variables (removed 23) and now considering 106/178 (removed 72) transitions.
[2026-05-27 09:27:42] [INFO ] Flow matrix only has 100 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2234531225683170396.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5234651619009357226.kers'
[2026-05-27 09:27:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2234531225683170396.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5234651619009357226.kers]
Normalized transition count is 99 out of 100 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 99 rows 74 cols 205 entries
Finished phase 1 with 66 SingleSign rule and 0 generalized
[2026-05-27 09:27:42] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5234651619009357226.kers
Total runtime 1 ms.
[2026-05-27 09:27:43] [INFO ] Implicit Places using invariants in 127 ms returned [74, 75]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 131 ms to find 2 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 74/99 places, 106/178 transitions.
Graph (trivial) has 94 edges and 74 vertex of which 59 / 74 are part of one of the 11 SCC in 1 ms
Free SCC test removed 48 places
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 26 transition count 36
Reduce places removed 2 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 24 transition count 34
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 9 place count 22 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 9 place count 22 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 11 place count 21 transition count 33
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 16 place count 16 transition count 26
Iterating global reduction 3 with 5 rules applied. Total rules applied 21 place count 16 transition count 26
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 3 with 3 rules applied. Total rules applied 24 place count 16 transition count 23
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 25 place count 15 transition count 23
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 5 with 2 rules applied. Total rules applied 27 place count 15 transition count 21
Applied a total of 27 rules in 17 ms. Remains 15 /74 variables (removed 59) and now considering 21/106 (removed 85) transitions.
[2026-05-27 09:27:43] [INFO ] Flow matrix only has 15 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6802216074206359774.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7442968452826074146.kers'
[2026-05-27 09:27:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6802216074206359774.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7442968452826074146.kers]
Normalized transition count is 14 out of 15 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 14 rows 14 cols 31 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-27 09:27:43] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-7442968452826074146.kers
Total runtime 1 ms.
[2026-05-27 09:27:43] [INFO ] Implicit Places using invariants in 30 ms returned []
[2026-05-27 09:27:43] [INFO ] Flow matrix only has 15 transitions (discarded 6 similar events)
[2026-05-27 09:27:43] [INFO ] Invariant cache hit.
[2026-05-27 09:27:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 09:27:43] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 15/99 places, 21/178 transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 302 ms. Remains : 15/99 places, 21/178 transitions.
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 3 ms
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 2 ms
[2026-05-27 09:27:43] [INFO ] Input system was already deterministic with 21 transitions.
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 3 ms
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 2 ms
[2026-05-27 09:27:43] [INFO ] Time to serialize gal into /tmp/CTLCardinality11867757591334358286.gal : 2 ms
[2026-05-27 09:27:43] [INFO ] Time to serialize properties into /tmp/CTLCardinality8706590078210372953.ctl : 2 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality11867757591334358286.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality8706590078210372953.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,109,0.018095,3740,2,34,5,123,6,0,74,82,0
Converting to forward existential form...Done !
original formula: EG(AG(A(((p65==0)||(p76==1)) U ((p56==0)||(p96==1)))))
=> equivalent forward existential formula: [FwdG(Init,!(E(TRUE U !(!((E(!(((p56==0)||(p96==1))) U (!(((p65==0)||(p76==1))) * !(((p56==0)||(p96==1))))) + EG...196
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 16/5/5
(forward)formula 0,0,0.025239,4308,1,0,8,476,32,0,389,266,12
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-00 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 5 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-8829247852646007973.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14933779391535933126.kers'
[2026-05-27 09:27:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8829247852646007973.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14933779391535933126.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:27:43] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14933779391535933126.kers
Total runtime 2 ms.
[2026-05-27 09:27:43] [INFO ] Implicit Places using invariants in 319 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 323 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 332 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 16 ms
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 15 ms
[2026-05-27 09:27:43] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 19 ms
[2026-05-27 09:27:43] [INFO ] Flatten gal took : 14 ms
[2026-05-27 09:27:43] [INFO ] Time to serialize gal into /tmp/CTLCardinality15802348819745139881.gal : 6 ms
[2026-05-27 09:27:43] [INFO ] Time to serialize properties into /tmp/CTLCardinality10394320618431781305.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality15802348819745139881.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality10394320618431781305.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.055581,5180,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: EF(EX(((p38==0)&&(p63==1))))
=> equivalent forward existential formula: [(EY(FwdU(Init,TRUE)) * ((p38==0)&&(p63==1)))] != FALSE
(forward)formula 0,1,0.0747,5436,1,0,8,5938,8,1,910,3579,2
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 71 edges and 99 vertex of which 24 / 99 are part of one of the 8 SCC in 1 ms
Free SCC test removed 16 places
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 96 edges and 80 vertex of which 61 / 80 are part of one of the 9 SCC in 1 ms
Free SCC test removed 52 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 28 transition count 138
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 97 transitions
Reduce isomorphic transitions removed 97 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 104 rules applied. Total rules applied 110 place count 22 transition count 40
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 111 place count 21 transition count 40
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 112 place count 20 transition count 38
Iterating global reduction 3 with 1 rules applied. Total rules applied 113 place count 20 transition count 38
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 2 rules applied. Total rules applied 115 place count 20 transition count 36
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 116 place count 19 transition count 36
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 5 with 14 rules applied. Total rules applied 130 place count 19 transition count 22
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 5 with 2 rules applied. Total rules applied 132 place count 19 transition count 20
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 6 with 2 rules applied. Total rules applied 134 place count 17 transition count 20
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 2 Pre rules applied. Total rules applied 134 place count 17 transition count 18
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 7 with 4 rules applied. Total rules applied 138 place count 15 transition count 18
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 139 place count 14 transition count 17
Iterating global reduction 7 with 1 rules applied. Total rules applied 140 place count 14 transition count 17
Discarding 1 places :
Symmetric choice reduction at 7 with 1 rule applications. Total rules 141 place count 13 transition count 15
Iterating global reduction 7 with 1 rules applied. Total rules applied 142 place count 13 transition count 15
Applied a total of 142 rules in 25 ms. Remains 13 /99 variables (removed 86) and now considering 15/178 (removed 163) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-406272766962719515.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10247190885082386720.kers'
[2026-05-27 09:27:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-406272766962719515.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10247190885082386720.kers]
Normalized transition count is 14 out of 15 initially.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 14 rows 10 cols 22 entries
Finished phase 1 with 9 SingleSign rule and 0 generalized
[2026-05-27 09:27:43] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10247190885082386720.kers
Total runtime 1 ms.
[2026-05-27 09:27:43] [INFO ] Implicit Places using invariants in 29 ms returned []
[2026-05-27 09:27:43] [INFO ] Invariant cache hit.
[2026-05-27 09:27:43] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2026-05-27 09:27:43] [INFO ] Redundant transitions in 0 ms returned []
Running 10 sub problems to find dead transitions.
[2026-05-27 09:27:43] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 4/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 14/27 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 0/27 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 27/28 variables, and 17 constraints, problems are : Problem set: 0 solved, 10 unsolved in 215 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 4/13 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 14/27 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/27 variables, 10/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 27/28 variables, and 27 constraints, problems are : Problem set: 0 solved, 10 unsolved in 208 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 13/13 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 428ms problems are : Problem set: 0 solved, 10 unsolved
Search for dead transitions found 0 dead transitions in 428ms
Starting structural reductions in SI_CTL mode, iteration 1 : 13/99 places, 15/178 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 528 ms. Remains : 13/99 places, 15/178 transitions.
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 2 ms
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:44] [INFO ] Input system was already deterministic with 15 transitions.
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 2 ms
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:44] [INFO ] Time to serialize gal into /tmp/CTLCardinality4231524137766164518.gal : 1 ms
[2026-05-27 09:27:44] [INFO ] Time to serialize properties into /tmp/CTLCardinality1189028996418157442.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4231524137766164518.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality1189028996418157442.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,56,0.006875,3812,2,23,5,97,5,0,68,60,0
Converting to forward existential form...Done !
original formula: A(!(((p6==0)||(p79==1))) U (!(AG(EF((p3==1)))) + (!(EF((p9==0))) * ((p20==0)||(p61==1)))))
=> equivalent forward existential formula: [((Init * !(EG(!((!(!(E(TRUE U !(E(TRUE U (p3==1)))))) + (!(E(TRUE U (p9==0))) * ((p20==0)||(p61==1)))))))) * !(...381
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.015171,4364,1,0,9,305,15,1,269,122,12
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-12903423070260614639.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8899199934249851160.kers'
[2026-05-27 09:27:44] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12903423070260614639.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8899199934249851160.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:27:44] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8899199934249851160.kers
Total runtime 2 ms.
[2026-05-27 09:27:44] [INFO ] Implicit Places using invariants in 197 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 199 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 3 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 206 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 9 ms
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 9 ms
[2026-05-27 09:27:44] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 8 ms
[2026-05-27 09:27:44] [INFO ] Flatten gal took : 8 ms
[2026-05-27 09:27:44] [INFO ] Time to serialize gal into /tmp/CTLCardinality10986798037873297022.gal : 4 ms
[2026-05-27 09:27:44] [INFO ] Time to serialize properties into /tmp/CTLCardinality10928301888924780597.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality10986798037873297022.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality10928301888924780597.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.054221,5168,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: E((p42==1) U EF(((!(A((p33==1) U (p29==0))) * AX(((p6==0)||(p78==1)))) * (EG((p5==1)) * (EG((p8==1)) + EG(((p83==0)||(p25==1))))))))
=> equivalent forward existential formula: ([FwdG(((FwdU(FwdU(Init,(p42==1)),TRUE) * (!(!((E(!((p29==0)) U (!((p33==1)) * !((p29==0)))) + EG(!((p29==0)))))...421
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 175/0/3
Hit Full ! (commute/partial/dont) 176/0/2
Hit Full ! (commute/partial/dont) 160/0/18
(forward)formula 0,1,0.456381,16208,1,0,18,74850,55,6,3061,35948,24
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 4 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:27:45] [INFO ] Invariant cache hit.
[2026-05-27 09:27:45] [INFO ] Implicit Places using invariants in 220 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 222 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 232 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:45] [INFO ] Flatten gal took : 13 ms
[2026-05-27 09:27:45] [INFO ] Flatten gal took : 13 ms
[2026-05-27 09:27:45] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:45] [INFO ] Flatten gal took : 12 ms
[2026-05-27 09:27:45] [INFO ] Flatten gal took : 13 ms
[2026-05-27 09:27:45] [INFO ] Time to serialize gal into /tmp/CTLCardinality8731065928722556679.gal : 3 ms
[2026-05-27 09:27:45] [INFO ] Time to serialize properties into /tmp/CTLCardinality15039104199913341332.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality8731065928722556679.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15039104199913341332.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.083415,5164,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: (E((A((AF((p82==1)) * EX(TRUE)) U (p13!=0)) + AF(!(AF((p7==0))))) U EG(!(AG((p76==1))))) * (EX(((AG(((p60==0)||(p58==1))) + EG(((p49==0)|...276
=> equivalent forward existential formula: ([(Init * !(E((!((E(!((p13!=0)) U (!((!(EG(!((p82==1)))) * EX(TRUE))) * !((p13!=0)))) + EG(!((p13!=0))))) + !(EG...717
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 175/0/3
Using saturation style SCC detection
(forward)formula 0,1,0.516819,15192,1,0,19,71086,61,12,3060,33397,28
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 71 edges and 99 vertex of which 21 / 99 are part of one of the 7 SCC in 0 ms
Free SCC test removed 14 places
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 17 place count 77 transition count 141
Drop transitions (Redundant composition of simpler transitions.) removed 34 transitions
Redundant transition composition rules discarded 34 transitions
Iterating global reduction 0 with 34 rules applied. Total rules applied 51 place count 77 transition count 107
Applied a total of 51 rules in 20 ms. Remains 77 /99 variables (removed 22) and now considering 107/178 (removed 71) transitions.
[2026-05-27 09:27:45] [INFO ] Flow matrix only has 101 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9391421848273236486.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-909799254641872316.kers'
[2026-05-27 09:27:45] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9391421848273236486.kers, --Pflows, --basisKERS=/tmp/petrispot-output-909799254641872316.kers]
Normalized transition count is 100 out of 101 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 100 rows 75 cols 207 entries
Finished phase 1 with 67 SingleSign rule and 0 generalized
[2026-05-27 09:27:45] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-909799254641872316.kers
Total runtime 1 ms.
[2026-05-27 09:27:46] [INFO ] Implicit Places using invariants in 87 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 89 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 76/99 places, 107/178 transitions.
Performed 7 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 7 Pre rules applied. Total rules applied 0 place count 76 transition count 100
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 69 transition count 100
Applied a total of 14 rules in 8 ms. Remains 69 /76 variables (removed 7) and now considering 100/107 (removed 7) transitions.
[2026-05-27 09:27:46] [INFO ] Flow matrix only has 94 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-1671119742357729034.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6918510642088647853.kers'
[2026-05-27 09:27:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1671119742357729034.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6918510642088647853.kers]
Normalized transition count is 93 out of 94 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 93 rows 68 cols 193 entries
Finished phase 1 with 60 SingleSign rule and 0 generalized
[2026-05-27 09:27:46] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-6918510642088647853.kers
Total runtime 1 ms.
[2026-05-27 09:27:46] [INFO ] Implicit Places using invariants in 94 ms returned []
[2026-05-27 09:27:46] [INFO ] Flow matrix only has 94 transitions (discarded 6 similar events)
[2026-05-27 09:27:46] [INFO ] Invariant cache hit.
[2026-05-27 09:27:46] [INFO ] State equation strengthened by 41 read => feed constraints.
[2026-05-27 09:27:46] [INFO ] Implicit Places using invariants and state equation in 168 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 69/99 places, 100/178 transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 382 ms. Remains : 69/99 places, 100/178 transitions.
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 5 ms
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 5 ms
[2026-05-27 09:27:46] [INFO ] Input system was already deterministic with 100 transitions.
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 4 ms
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 4 ms
[2026-05-27 09:27:46] [INFO ] Time to serialize gal into /tmp/CTLCardinality14055757292748486059.gal : 1 ms
[2026-05-27 09:27:46] [INFO ] Time to serialize properties into /tmp/CTLCardinality18298756950054237089.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality14055757292748486059.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality18298756950054237089.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.3593e+07,0.068204,5224,2,260,5,7436,6,0,369,3723,0
Converting to forward existential form...Done !
original formula: (EG(((EF((p49==0)) + ((p98==0)&&(p9==1))) + ((p71==0)&&(p56==1)))) * AF(AG(EF(((p21==0)&&(p41==1))))))
=> equivalent forward existential formula: ([(Init * !(EG(((E(TRUE U (p49==0)) + ((p98==0)&&(p9==1))) + ((p71==0)&&(p56==1))))))] = FALSE * [FwdG(Init,!(!(...211
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.13915,6376,1,0,9,11197,24,1,1745,3723,14
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 76 edges and 99 vertex of which 24 / 99 are part of one of the 8 SCC in 0 ms
Free SCC test removed 16 places
Ensure Unique test removed 37 transitions
Reduce isomorphic transitions removed 37 transitions.
Reduce places removed 1 places and 1 transitions.
Reduce places removed 2 places and 0 transitions.
Graph (trivial) has 106 edges and 80 vertex of which 73 / 80 are part of one of the 9 SCC in 1 ms
Free SCC test removed 64 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 16 transition count 139
Reduce places removed 7 places and 0 transitions.
Ensure Unique test removed 122 transitions
Reduce isomorphic transitions removed 122 transitions.
Iterating post reduction 1 with 129 rules applied. Total rules applied 134 place count 9 transition count 17
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 135 place count 8 transition count 15
Iterating global reduction 2 with 1 rules applied. Total rules applied 136 place count 8 transition count 15
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 138 place count 8 transition count 13
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 139 place count 7 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 4 with 5 rules applied. Total rules applied 144 place count 7 transition count 8
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 145 place count 7 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 146 place count 6 transition count 7
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 146 place count 6 transition count 5
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 150 place count 4 transition count 5
Applied a total of 150 rules in 7 ms. Remains 4 /99 variables (removed 95) and now considering 5/178 (removed 173) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17946215095598361919.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5486344159356707176.kers'
[2026-05-27 09:27:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17946215095598361919.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5486344159356707176.kers]
Normalized transition count is 4 out of 5 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 4 rows 2 cols 4 entries
Finished phase 1 with 2 SingleSign rule and 0 generalized
[2026-05-27 09:27:46] [INFO ] Computed 2 invariants in 0 ms
Computed 2 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5486344159356707176.kers
Total runtime 0 ms.
[2026-05-27 09:27:46] [INFO ] Implicit Places using invariants in 21 ms returned []
[2026-05-27 09:27:46] [INFO ] Invariant cache hit.
[2026-05-27 09:27:46] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2026-05-27 09:27:46] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2026-05-27 09:27:46] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/8 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 8/9 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 2/4 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/8 variables, 4/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 8/9 variables, and 8 constraints, problems are : Problem set: 0 solved, 2 unsolved in 118 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 163ms
Starting structural reductions in SI_CTL mode, iteration 1 : 4/99 places, 5/178 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 223 ms. Remains : 4/99 places, 5/178 transitions.
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 0 ms
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 0 ms
[2026-05-27 09:27:46] [INFO ] Input system was already deterministic with 5 transitions.
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 0 ms
RANDOM walk for 10 steps (0 resets) in 4 ms. (2 steps per ms) remains 0/1 properties
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-27 09:27:46] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10422084081850393918.gal : 0 ms
[2026-05-27 09:27:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7333615628028691139.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10422084081850393918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7333615628028691139.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-5080464464996950051.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3483415859228131341.kers'
[2026-05-27 09:27:46] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5080464464996950051.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3483415859228131341.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:27:46] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-3483415859228131341.kers
Total runtime 2 ms.
[2026-05-27 09:27:47] [INFO ] Implicit Places using invariants in 266 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 268 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 271 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 7 ms
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 7 ms
[2026-05-27 09:27:47] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 8 ms
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 8 ms
[2026-05-27 09:27:47] [INFO ] Time to serialize gal into /tmp/CTLCardinality6349678981833757905.gal : 1 ms
[2026-05-27 09:27:47] [INFO ] Time to serialize properties into /tmp/CTLCardinality10232095295538035361.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality6349678981833757905.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality10232095295538035361.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.082252,5152,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: AG(EX(EX(TRUE)))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(EX(EX(TRUE))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.30952,9868,1,0,5,39505,9,0,2381,5755,2
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:27:47] [INFO ] Invariant cache hit.
[2026-05-27 09:27:47] [INFO ] Implicit Places using invariants in 223 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 224 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 227 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 6 ms
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 7 ms
[2026-05-27 09:27:47] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 6 ms
[2026-05-27 09:27:47] [INFO ] Flatten gal took : 6 ms
[2026-05-27 09:27:47] [INFO ] Time to serialize gal into /tmp/CTLCardinality3071757095425160624.gal : 2 ms
[2026-05-27 09:27:47] [INFO ] Time to serialize properties into /tmp/CTLCardinality7632473619939896064.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality3071757095425160624.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7632473619939896064.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.053279,5172,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: EG(AX(FALSE))
=> equivalent forward existential formula: [FwdG(Init,!(EX(!(FALSE))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.214815,10344,1,0,6,40290,15,0,2527,8105,5
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-11 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Graph (trivial) has 73 edges and 99 vertex of which 21 / 99 are part of one of the 7 SCC in 1 ms
Free SCC test removed 14 places
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 15 place count 78 transition count 136
Drop transitions (Redundant composition of simpler transitions.) removed 28 transitions
Redundant transition composition rules discarded 28 transitions
Iterating global reduction 0 with 28 rules applied. Total rules applied 43 place count 78 transition count 108
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 44 place count 78 transition count 107
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 45 place count 77 transition count 107
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 47 place count 77 transition count 107
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 48 place count 76 transition count 106
Iterating global reduction 2 with 1 rules applied. Total rules applied 49 place count 76 transition count 106
Applied a total of 49 rules in 20 ms. Remains 76 /99 variables (removed 23) and now considering 106/178 (removed 72) transitions.
[2026-05-27 09:27:47] [INFO ] Flow matrix only has 100 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-323297573464523144.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2543071122485313287.kers'
[2026-05-27 09:27:47] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-323297573464523144.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2543071122485313287.kers]
Normalized transition count is 99 out of 100 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 99 rows 74 cols 205 entries
Finished phase 1 with 66 SingleSign rule and 0 generalized
[2026-05-27 09:27:47] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-2543071122485313287.kers
Total runtime 1 ms.
[2026-05-27 09:27:48] [INFO ] Implicit Places using invariants in 149 ms returned [74, 75]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 154 ms to find 2 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 74/99 places, 106/178 transitions.
Graph (trivial) has 93 edges and 74 vertex of which 56 / 74 are part of one of the 8 SCC in 0 ms
Free SCC test removed 48 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 26 transition count 33
Reduce places removed 1 places and 0 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Iterating post reduction 1 with 5 rules applied. Total rules applied 7 place count 25 transition count 29
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 11 place count 21 transition count 29
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 11 place count 21 transition count 27
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 15 place count 19 transition count 27
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 19 place count 15 transition count 23
Iterating global reduction 3 with 4 rules applied. Total rules applied 23 place count 15 transition count 23
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 24 place count 15 transition count 22
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 25 place count 15 transition count 22
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 26 place count 14 transition count 21
Iterating global reduction 3 with 1 rules applied. Total rules applied 27 place count 14 transition count 21
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 28 place count 14 transition count 20
Applied a total of 28 rules in 9 ms. Remains 14 /74 variables (removed 60) and now considering 20/106 (removed 86) transitions.
[2026-05-27 09:27:48] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10732869932765067164.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5670693716641526535.kers'
[2026-05-27 09:27:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10732869932765067164.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5670693716641526535.kers]
Normalized transition count is 16 out of 17 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 16 rows 13 cols 34 entries
Finished phase 1 with 10 SingleSign rule and 0 generalized
[2026-05-27 09:27:48] [INFO ] Computed 4 invariants in 4 ms
Computed 4 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-5670693716641526535.kers
Total runtime 5 ms.
[2026-05-27 09:27:48] [INFO ] Implicit Places using invariants in 31 ms returned []
[2026-05-27 09:27:48] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2026-05-27 09:27:48] [INFO ] Invariant cache hit.
[2026-05-27 09:27:48] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-27 09:27:48] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
Starting structural reductions in SI_CTL mode, iteration 2 : 14/99 places, 20/178 transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 290 ms. Remains : 14/99 places, 20/178 transitions.
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:48] [INFO ] Input system was already deterministic with 20 transitions.
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 1 ms
[2026-05-27 09:27:48] [INFO ] Time to serialize gal into /tmp/CTLCardinality16092413335346024033.gal : 1 ms
[2026-05-27 09:27:48] [INFO ] Time to serialize properties into /tmp/CTLCardinality4016094183915894805.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality16092413335346024033.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality4016094183915894805.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,55,0.005378,3832,2,30,5,120,6,0,72,80,0
Converting to forward existential form...Done !
original formula: EF(AG((((p29==0)||(p96==1))&&((p89==0)||(p19==1)))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U !((((p29==0)||(p96==1))&&((p89==0)||(p19==1)))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.009758,4112,1,0,6,351,15,0,315,150,5
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (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-15825397772366315307.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-708945892856010847.kers'
[2026-05-27 09:27:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15825397772366315307.kers, --Pflows, --basisKERS=/tmp/petrispot-output-708945892856010847.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 178 rows 97 cols 461 entries
Finished phase 1 with 89 SingleSign rule and 0 generalized
[2026-05-27 09:27:48] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-708945892856010847.kers
Total runtime 3 ms.
[2026-05-27 09:27:48] [INFO ] Implicit Places using invariants in 289 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 291 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 294 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 5 ms
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 5 ms
[2026-05-27 09:27:48] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 4 ms
[2026-05-27 09:27:48] [INFO ] Flatten gal took : 4 ms
[2026-05-27 09:27:48] [INFO ] Time to serialize gal into /tmp/CTLCardinality9724918791166262739.gal : 2 ms
[2026-05-27 09:27:48] [INFO ] Time to serialize properties into /tmp/CTLCardinality3652830061636161844.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality9724918791166262739.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality3652830061636161844.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.054938,5172,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: AG(EF(EX((p12==1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U EX((p12==1)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.296345,10852,1,0,7,45896,14,0,2549,9482,6
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 99/99 places, 178/178 transitions.
Applied a total of 0 rules in 1 ms. Remains 99 /99 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2026-05-27 09:27:48] [INFO ] Invariant cache hit.
[2026-05-27 09:27:49] [INFO ] Implicit Places using invariants in 264 ms returned [97, 98]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 265 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 97/99 places, 178/178 transitions.
Applied a total of 0 rules in 2 ms. Remains 97 /97 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 270 ms. Remains : 97/99 places, 178/178 transitions.
[2026-05-27 09:27:49] [INFO ] Flatten gal took : 7 ms
[2026-05-27 09:27:49] [INFO ] Flatten gal took : 23 ms
[2026-05-27 09:27:49] [INFO ] Input system was already deterministic with 178 transitions.
[2026-05-27 09:27:49] [INFO ] Flatten gal took : 22 ms
[2026-05-27 09:27:49] [INFO ] Flatten gal took : 6 ms
[2026-05-27 09:27:49] [INFO ] Time to serialize gal into /tmp/CTLCardinality18047497120984301909.gal : 2 ms
[2026-05-27 09:27:49] [INFO ] Time to serialize properties into /tmp/CTLCardinality7737413071356184708.ctl : 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality18047497120984301909.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality7737413071356184708.ctl' '--gen-order' 'FOLLOW'
its-ctl command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,4.29982e+08,0.055036,5176,2,778,5,5529,6,0,568,3561,0
Converting to forward existential form...Done !
original formula: !(E(AX((((p0!=1) + A((p6==1) U (p49==0))) * EX(((p61==0)||(p91==1))))) U AG(AX((((p74==0)||(p87==1))&&((p95==0)||(p56==1)))))))
=> equivalent forward existential formula: [(FwdU(Init,!(EX(!((((p0!=1) + !((E(!((p49==0)) U (!((p6==1)) * !((p49==0)))) + EG(!((p49==0)))))) * EX(((p61==0...256
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.235151,10356,1,0,7,41995,15,0,2563,7125,6
FORMULA FlexibleBarrier-PT-08a-CTLCardinality-2024-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
[2026-05-27 09:27:49] [INFO ] Flatten gal took : 5 ms
[2026-05-27 09:27:49] [INFO ] Flatten gal took : 5 ms
Total runtime 33414 ms.
BK_STOP 1779874069805
--------------------
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
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -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 CTLCardinality -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="FlexibleBarrier-PT-08a"
export BK_EXAMINATION="CTLCardinality"
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 FlexibleBarrier-PT-08a, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100337"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08a.tgz
mv FlexibleBarrier-PT-08a execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;