About the Execution of ITS-Tools for MAPK-PT-05120
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 410.439 | 18041.00 | 33055.00 | 173.40 | FFFFTFFFFFFFFFFF | 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.r162-smll-177961108000620.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 MAPK-PT-05120, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r162-smll-177961108000620
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 6.3K Mar 7 17:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 7 17:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 17:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Mar 7 17:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 11:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 11:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 17:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 135K Mar 7 17:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 17:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Mar 7 17:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 25K 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 MAPK-PT-05120-LTLFireability-00
FORMULA_NAME MAPK-PT-05120-LTLFireability-01
FORMULA_NAME MAPK-PT-05120-LTLFireability-02
FORMULA_NAME MAPK-PT-05120-LTLFireability-03
FORMULA_NAME MAPK-PT-05120-LTLFireability-04
FORMULA_NAME MAPK-PT-05120-LTLFireability-05
FORMULA_NAME MAPK-PT-05120-LTLFireability-06
FORMULA_NAME MAPK-PT-05120-LTLFireability-07
FORMULA_NAME MAPK-PT-05120-LTLFireability-08
FORMULA_NAME MAPK-PT-05120-LTLFireability-09
FORMULA_NAME MAPK-PT-05120-LTLFireability-10
FORMULA_NAME MAPK-PT-05120-LTLFireability-11
FORMULA_NAME MAPK-PT-05120-LTLFireability-12
FORMULA_NAME MAPK-PT-05120-LTLFireability-13
FORMULA_NAME MAPK-PT-05120-LTLFireability-14
FORMULA_NAME MAPK-PT-05120-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1780010247320
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MAPK-PT-05120
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-05-28 23:17:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-28 23:17:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-28 23:17:30] [INFO ] Load time of PNML (sax parser for PT used): 92 ms
[2026-05-28 23:17:30] [INFO ] Transformed 22 places.
[2026-05-28 23:17:30] [INFO ] Transformed 30 transitions.
[2026-05-28 23:17:30] [INFO ] Parsed PT model containing 22 places and 30 transitions and 90 arcs in 311 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 22 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA MAPK-PT-05120-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-05120-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-05120-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 19 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 18 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (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-10261096253206168191.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12574264324297933275.kers'
[2026-05-28 23:17:30] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10261096253206168191.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12574264324297933275.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 30 rows 20 cols 84 entries
Finished phase 1 with 14 SingleSign rule and 1 generalized
[2026-05-28 23:17:30] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12574264324297933275.kers
Total runtime 2 ms.
[2026-05-28 23:17:30] [INFO ] Implicit Places using invariants in 303 ms returned []
[2026-05-28 23:17:30] [INFO ] Invariant cache hit.
[2026-05-28 23:17:30] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 498 ms to find 0 implicit places.
Running 29 sub problems to find dead transitions.
[2026-05-28 23:17:31] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 30/52 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (OVERLAPS) 0/52 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Real declared 52/52 variables, and 29 constraints, problems are : Problem set: 0 solved, 29 unsolved in 1291 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 29 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 4 (OVERLAPS) 1/22 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/22 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 6 (OVERLAPS) 30/52 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/52 variables, 29/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/52 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 9 (OVERLAPS) 0/52 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 29 unsolved
No progress, stopping.
After SMT solving in domain Int declared 52/52 variables, and 58 constraints, problems are : Problem set: 0 solved, 29 unsolved in 958 ms.
Refiners :[Positive P Invariants (semi-flows): 6/6 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 22/22 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2305ms problems are : Problem set: 0 solved, 29 unsolved
Search for dead transitions found 0 dead transitions in 2326ms
Finished structural reductions in LTL mode , in 1 iterations and 2911 ms. Remains : 22/22 places, 30/30 transitions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:33] [INFO ] Invariant cache hit.
[2026-05-28 23:17:33] [INFO ] Implicit Places using invariants in 33 ms returned []
[2026-05-28 23:17:33] [INFO ] Invariant cache hit.
[2026-05-28 23:17:33] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 87 ms. Remains : 22/22 places, 30/30 transitions.
Support contains 19 out of 22 places after structural reductions.
[2026-05-28 23:17:33] [INFO ] Flatten gal took : 39 ms
[2026-05-28 23:17:33] [INFO ] Flatten gal took : 13 ms
[2026-05-28 23:17:33] [INFO ] Input system was already deterministic with 30 transitions.
RANDOM walk for 41000 steps (8 resets) in 147 ms. (277 steps per ms) remains 14/21 properties
BEST_FIRST walk for 16666 steps (2 resets) in 144 ms. (114 steps per ms) remains 0/14 properties
FORMULA MAPK-PT-05120-LTLFireability-13 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 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(G((p0||G((p1||X(!p1)))))))'
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:34] [INFO ] Invariant cache hit.
[2026-05-28 23:17:34] [INFO ] Implicit Places using invariants in 57 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 62 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 64 ms. Remains : 20/22 places, 30/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||G((p1||X(!p1)))))))'
Stuttering acceptance computed with spot in 413 ms :[true, p1, false, false, false]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-00
Entered a terminal (fully accepting) state of product in 29 steps with 0 reset in 3 ms.
FORMULA MAPK-PT-05120-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-00 finished in 608 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 2 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:35] [INFO ] Invariant cache hit.
[2026-05-28 23:17:35] [INFO ] Implicit Places using invariants in 61 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 63 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 20/22 places, 30/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Stuttering acceptance computed with spot in 196 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-03
Product exploration explored 100000 steps with 15281 reset in 430 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 1 ms.
FORMULA MAPK-PT-05120-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property MAPK-PT-05120-LTLFireability-03 finished in 733 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 21 rules applied. Total rules applied 21 place count 10 transition count 21
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 26 place count 10 transition count 16
Applied a total of 26 rules in 30 ms. Remains 10 /22 variables (removed 12) and now considering 16/30 (removed 14) transitions.
[2026-05-28 23:17:35] [INFO ] Flow matrix only has 12 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10101817844513730324.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1322595729304780478.kers'
[2026-05-28 23:17:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10101817844513730324.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1322595729304780478.kers]
Normalized transition count is 11 out of 12 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 11 rows 9 cols 22 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-28 23:17:35] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-1322595729304780478.kers
Total runtime 1 ms.
[2026-05-28 23:17:35] [INFO ] Implicit Places using invariants in 32 ms returned []
[2026-05-28 23:17:35] [INFO ] Flow matrix only has 12 transitions (discarded 4 similar events)
[2026-05-28 23:17:35] [INFO ] Invariant cache hit.
[2026-05-28 23:17:35] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-28 23:17:35] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2026-05-28 23:17:35] [INFO ] Redundant transitions in 0 ms returned []
Running 15 sub problems to find dead transitions.
[2026-05-28 23:17:35] [INFO ] Flow matrix only has 12 transitions (discarded 4 similar events)
[2026-05-28 23:17:35] [INFO ] Invariant cache hit.
[2026-05-28 23:17:35] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 11/21 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 1/22 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/22 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/22 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 19 constraints, problems are : Problem set: 0 solved, 15 unsolved in 706 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 11/21 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 15/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 1/22 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/22 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/22 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 34 constraints, problems are : Problem set: 0 solved, 15 unsolved in 480 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1211ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 1212ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/22 places, 16/30 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1326 ms. Remains : 10/22 places, 16/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 236 ms.
Product exploration explored 100000 steps with 50000 reset in 289 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 25 ms. Proved property starting from automaton with 1 states, 1 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 36 ms.
FORMULA MAPK-PT-05120-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property MAPK-PT-05120-LTLFireability-04 finished in 1984 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(p0)) U ((!p1&&X(X(p0)))||X(X(G(p0))))) U (G((X(X(p0)) U ((!p1&&X(X(p0)))||X(X(G(p0))))))||((!p2 U (p3||G(!p2)))&&(X(X(p0)) U ((!p1&&X(X(p0)))||X(X(G(p0))))))))))'
Support contains 6 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (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-18172129273369047770.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8223220522808957658.kers'
[2026-05-28 23:17:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18172129273369047770.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8223220522808957658.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 30 rows 20 cols 84 entries
Finished phase 1 with 14 SingleSign rule and 1 generalized
[2026-05-28 23:17:37] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-8223220522808957658.kers
Total runtime 1 ms.
[2026-05-28 23:17:37] [INFO ] Implicit Places using invariants in 58 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 67 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 69 ms. Remains : 21/22 places, 30/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(p0)) U (X(X(G(p0)))||(!p1&&X(X(p0))))) U (G((X(X(p0)) U ((!p1&&X(X(p0)))||X(X(G(p0))))))||((!p2 U (p3||G(!p2)))&&(X(X(p0)) U ((!p1&&X(X(p0)))||X(X(G(p0))))))))))'
Stuttering acceptance computed with spot in 607 ms :[(NOT p0), (NOT p0), (AND (NOT p0) p2 (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p3) p2), (NOT p0), (NOT p0), (AND (NOT p3) p2 (NOT p0)), (AND (NOT p0) p1 (NOT p3) p2), true, (AND (NOT p3) p2 p0)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-05
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 1 ms.
FORMULA MAPK-PT-05120-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-05 finished in 819 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 29
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 29
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 17 place count 12 transition count 23
Graph (trivial) has 8 edges and 12 vertex of which 2 / 12 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 19 place count 10 transition count 23
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (trivial) has 7 edges and 10 vertex of which 3 / 10 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 0 with 5 rules applied. Total rules applied 24 place count 8 transition count 19
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 30 place count 8 transition count 13
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 32 place count 8 transition count 11
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 33 place count 8 transition count 11
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 34 place count 8 transition count 10
Applied a total of 34 rules in 55 ms. Remains 8 /22 variables (removed 14) and now considering 10/30 (removed 20) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11506728005258508517.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12952185580678210182.kers'
[2026-05-28 23:17:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11506728005258508517.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12952185580678210182.kers]
Normalized transition count is 9 out of 10 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 9 rows 7 cols 24 entries
Finished phase 1 with 5 SingleSign rule and 0 generalized
[2026-05-28 23:17:38] [INFO ] Computed 3 invariants in 0 ms
Computed 3 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-12952185580678210182.kers
Total runtime 0 ms.
[2026-05-28 23:17:38] [INFO ] Implicit Places using invariants in 54 ms returned []
[2026-05-28 23:17:38] [INFO ] Invariant cache hit.
[2026-05-28 23:17:38] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
[2026-05-28 23:17:38] [INFO ] Redundant transitions in 1 ms returned []
Running 8 sub problems to find dead transitions.
[2026-05-28 23:17:38] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 9/17 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/17 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 17/18 variables, and 11 constraints, problems are : Problem set: 0 solved, 8 unsolved in 281 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/7 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (OVERLAPS) 1/8 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (OVERLAPS) 9/17 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/17 variables, 8/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/17 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 0/17 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 17/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 8 unsolved in 296 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 8/8 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 588ms problems are : Problem set: 0 solved, 8 unsolved
Search for dead transitions found 0 dead transitions in 595ms
Starting structural reductions in SI_LTL mode, iteration 1 : 8/22 places, 10/30 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 767 ms. Remains : 8/22 places, 10/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 110 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-06
Stuttering criterion allowed to conclude after 15 steps with 0 reset in 1 ms.
FORMULA MAPK-PT-05120-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-06 finished in 931 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 1 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 0 with 21 rules applied. Total rules applied 21 place count 10 transition count 21
Drop transitions (Redundant composition of simpler transitions.) removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 26 place count 10 transition count 16
Applied a total of 26 rules in 7 ms. Remains 10 /22 variables (removed 12) and now considering 16/30 (removed 14) transitions.
[2026-05-28 23:17:39] [INFO ] Flow matrix only has 12 transitions (discarded 4 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-974440924211138982.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2022264042467792640.kers'
[2026-05-28 23:17:39] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-974440924211138982.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2022264042467792640.kers]
Normalized transition count is 11 out of 12 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 11 rows 9 cols 22 entries
Finished phase 1 with 6 SingleSign rule and 0 generalized
[2026-05-28 23:17:39] [INFO ] Computed 4 invariants in 0 ms
Computed 4 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-2022264042467792640.kers
Total runtime 0 ms.
[2026-05-28 23:17:39] [INFO ] Implicit Places using invariants in 62 ms returned []
[2026-05-28 23:17:39] [INFO ] Flow matrix only has 12 transitions (discarded 4 similar events)
[2026-05-28 23:17:39] [INFO ] Invariant cache hit.
[2026-05-28 23:17:39] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-28 23:17:39] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
[2026-05-28 23:17:39] [INFO ] Redundant transitions in 0 ms returned []
Running 15 sub problems to find dead transitions.
[2026-05-28 23:17:39] [INFO ] Flow matrix only has 12 transitions (discarded 4 similar events)
[2026-05-28 23:17:39] [INFO ] Invariant cache hit.
[2026-05-28 23:17:39] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 11/21 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 1/22 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/22 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/22 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 19 constraints, problems are : Problem set: 0 solved, 15 unsolved in 536 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2/10 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 11/21 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/21 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/21 variables, 15/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/21 variables, 0/33 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 1/22 variables, 1/34 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/22 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/22 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 34 constraints, problems are : Problem set: 0 solved, 15 unsolved in 477 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1042ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 1042ms
Starting structural reductions in SI_LTL mode, iteration 1 : 10/22 places, 16/30 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1181 ms. Remains : 10/22 places, 16/30 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 53 ms :[(NOT p0)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-07
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-05120-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-07 finished in 1277 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||(G(p1) U X(X(p2)))||F(!p3))))'
Support contains 6 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (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-4497996110498105331.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3172332262259376385.kers'
[2026-05-28 23:17:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4497996110498105331.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3172332262259376385.kers]
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 30 rows 20 cols 84 entries
Finished phase 1 with 14 SingleSign rule and 1 generalized
[2026-05-28 23:17:40] [INFO ] Computed 7 invariants in 0 ms
Computed 7 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-3172332262259376385.kers
Total runtime 1 ms.
[2026-05-28 23:17:40] [INFO ] Implicit Places using invariants in 65 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 83 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 2 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 86 ms. Remains : 21/22 places, 30/30 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(((G(p0) U X(X(p1)))||F(p2)||p3)))'
Stuttering acceptance computed with spot in 392 ms :[(AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p0))]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-08
Product exploration explored 100000 steps with 8545 reset in 338 ms.
Stack based approach found an accepted trace after 82 steps with 9 reset with depth 17 and stack size 17 in 1 ms.
FORMULA MAPK-PT-05120-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property MAPK-PT-05120-LTLFireability-08 finished in 895 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(!X((G(p0)||p1)) U G((p2 U p3)))||X(p2)))'
Support contains 5 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:41] [INFO ] Invariant cache hit.
[2026-05-28 23:17:41] [INFO ] Implicit Places using invariants in 36 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 21/22 places, 30/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((!(!X((G(p0)||p1)) U G((p2 U p3)))||X(p2)))'
Stuttering acceptance computed with spot in 334 ms :[(AND (NOT p2) p3), (AND (NOT p2) p3 (NOT p1) (NOT p0)), (OR (AND p1 (NOT p2) p3) (AND p0 (NOT p2) p3)), p3, (AND (NOT p0) (NOT p1) p3), (AND (NOT p0) p3)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-09
Product exploration explored 100000 steps with 2779 reset in 546 ms.
Stack based approach found an accepted trace after 125 steps with 5 reset with depth 14 and stack size 12 in 3 ms.
FORMULA MAPK-PT-05120-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property MAPK-PT-05120-LTLFireability-09 finished in 995 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&&F((p1 U (G(p1)||(F(p3)&&p2)))))))'
Support contains 4 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:42] [INFO ] Invariant cache hit.
[2026-05-28 23:17:42] [INFO ] Implicit Places using invariants in 35 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 20/22 places, 30/30 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&&F((p1 U (G(p1)||(F(p3)&&p2)))))))'
Stuttering acceptance computed with spot in 189 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (OR (NOT p0) (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (AND (NOT p3) (NOT p1))]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-11
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-05120-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-11 finished in 268 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(!p1))&&F(p2)))'
Support contains 5 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 0 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:43] [INFO ] Invariant cache hit.
[2026-05-28 23:17:43] [INFO ] Implicit Places using invariants in 98 ms returned [9]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 115 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/22 places, 30/30 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 115 ms. Remains : 21/22 places, 30/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0) U X(!p1))&&F(p2)))'
Stuttering acceptance computed with spot in 200 ms :[(OR (NOT p2) p1), p1, (NOT p2), p1, true, (NOT p0)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-12
Entered a terminal (fully accepting) state of product in 100 steps with 1 reset in 0 ms.
FORMULA MAPK-PT-05120-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-12 finished in 349 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(p0)))&&F(!p0)&&F((p1 U (p2||G(p1)))))))'
Support contains 4 out of 22 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 22/22 places, 30/30 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 30/30 (removed 0) transitions.
[2026-05-28 23:17:43] [INFO ] Invariant cache hit.
[2026-05-28 23:17:43] [INFO ] Implicit Places using invariants in 35 ms returned [8, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/22 places, 30/30 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 30/30 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 37 ms. Remains : 20/22 places, 30/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(X(X(p0)))&&F(!p0)&&F((p1 U (p2||G(p1)))))))'
Stuttering acceptance computed with spot in 332 ms :[true, true, (NOT p0), p0, (AND (NOT p2) (NOT p1)), (NOT p0), (NOT p0), true]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-14
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA MAPK-PT-05120-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-14 finished in 419 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 2 out of 22 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 22/22 places, 30/30 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 10 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 12 transition count 22
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 22 place count 12 transition count 18
Applied a total of 22 rules in 6 ms. Remains 12 /22 variables (removed 10) and now considering 18/30 (removed 12) transitions.
[2026-05-28 23:17:43] [INFO ] Flow matrix only has 15 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-13621383361376398055.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-237163296838349301.kers'
[2026-05-28 23:17:43] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13621383361376398055.kers, --Pflows, --basisKERS=/tmp/petrispot-output-237163296838349301.kers]
Normalized transition count is 14 out of 15 initially.
Culling duplicate invariants (modulo rational): removing 2 columns.
Culled 2 columns in 0 ms.
// Phase 1: matrix 14 rows 10 cols 28 entries
Finished phase 1 with 6 SingleSign rule and 1 generalized
[2026-05-28 23:17:43] [INFO ] Computed 5 invariants in 0 ms
Computed 5 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-237163296838349301.kers
Total runtime 0 ms.
[2026-05-28 23:17:43] [INFO ] Implicit Places using invariants in 38 ms returned []
[2026-05-28 23:17:43] [INFO ] Flow matrix only has 15 transitions (discarded 3 similar events)
[2026-05-28 23:17:43] [INFO ] Invariant cache hit.
[2026-05-28 23:17:43] [INFO ] State equation strengthened by 5 read => feed constraints.
[2026-05-28 23:17:43] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2026-05-28 23:17:43] [INFO ] Redundant transitions in 0 ms returned []
Running 17 sub problems to find dead transitions.
[2026-05-28 23:17:43] [INFO ] Flow matrix only has 15 transitions (discarded 3 similar events)
[2026-05-28 23:17:43] [INFO ] Invariant cache hit.
[2026-05-28 23:17:43] [INFO ] State equation strengthened by 5 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/11 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 1/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 14/26 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 1/27 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/27 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (OVERLAPS) 0/27 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 27/27 variables, and 22 constraints, problems are : Problem set: 0 solved, 17 unsolved in 660 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/11 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 1/12 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 14/26 variables, 12/17 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/26 variables, 4/21 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/26 variables, 17/38 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/26 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 1/27 variables, 1/39 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/27 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 12 (OVERLAPS) 0/27 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 27/27 variables, and 39 constraints, problems are : Problem set: 0 solved, 17 unsolved in 558 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 12/12 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1236ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1236ms
Starting structural reductions in SI_LTL mode, iteration 1 : 12/22 places, 18/30 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1360 ms. Remains : 12/22 places, 18/30 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Stuttering acceptance computed with spot in 135 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : MAPK-PT-05120-LTLFireability-15
Stuttering criterion allowed to conclude after 4 steps with 0 reset in 1 ms.
FORMULA MAPK-PT-05120-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property MAPK-PT-05120-LTLFireability-15 finished in 1530 ms.
All properties solved by simple procedures.
Total runtime 15532 ms.
BK_STOP 1780010265361
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="MAPK-PT-05120"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is MAPK-PT-05120, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r162-smll-177961108000620"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MAPK-PT-05120.tgz
mv MAPK-PT-05120 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;