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.r338-smll-178021499100143.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 ErlangenMainframeV1-PT-bP12C04, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499100143
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 86M
-rw-r--r-- 1 mcc users 7.8K May 27 08:19 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 27 08:19 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 27 08:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 27 08:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 27 10:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K May 27 10:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 27 10:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 27 10:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 13K May 27 08:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K May 27 08:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 27 08:19 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K May 27 08:19 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 27 10:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 27 10:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 8 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 85M May 26 18:17 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 ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-00
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-01
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-02
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-03
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-04
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-05
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-06
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-07
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-08
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-09
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-10
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-11
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-12
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-13
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-14
FORMULA_NAME ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1780311159391

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ErlangenMainframeV1-PT-bP12C04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-06-01 10:52:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-01 10:52:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 10:52:46] [INFO ] Load time of PNML (sax parser for PT used): 4583 ms
[2026-06-01 10:52:46] [INFO ] Transformed 337 places.
[2026-06-01 10:52:47] [INFO ] Transformed 62560 transitions.
[2026-06-01 10:52:47] [INFO ] Found NUPN structural information;
[2026-06-01 10:52:47] [INFO ] Parsed PT model containing 337 places and 62560 transitions and 1701269 arcs in 5390 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 42 ms.
Working with output stream class java.io.PrintStream
[2026-06-01 10:53:08] [INFO ] Flatten gal took : 17345 ms
RANDOM walk for 34306 steps (8 resets) in 120014 ms. (0 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 228 ms. (17 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 295 ms. (13 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 239 ms. (16 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 766 ms. (5 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 155 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 411 ms. (9 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 303 ms. (13 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 281 ms. (14 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 196 ms. (20 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 311 ms. (12 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4002 steps (8 resets) in 199 ms. (20 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 237 ms. (16 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 157 ms. (25 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 148 ms. (26 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 189 ms. (21 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 182 ms. (21 steps per ms) remains 16/16 properties
[2026-06-01 10:53:23] [INFO ] Flatten gal took : 14422 ms
[2026-06-01 10:53:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13499334844935682189.gal : 1604 ms
[2026-06-01 10:53:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13589211806214241144.prop : 15 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/ReachabilityCardinality13499334844935682189.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13589211806214241144.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Interrupted probabilistic random walk after 145488 steps, run timeout after 93003 ms. (steps per millisecond=1 ) properties seen :0 out of 16
Probabilistic random walk after 145488 steps, saw 33149 distinct states, run finished after 93017 ms. (steps per millisecond=1 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4260088661331587630.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3976738114350230432.kers'
[2026-06-01 10:54:53] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4260088661331587630.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3976738114350230432.kers]
Culled 0 columns in 293 ms.
// Phase 1: matrix 62560 rows 337 cols 1701269 entries
Finished phase 1 with 304 SingleSign rule and 3 generalized
[2026-06-01 10:54:55] [INFO ] Computed 30 invariants in 1692 ms
Computed 30 P flows in 1699 ms.
Exported basis to /tmp/petrispot-output-3976738114350230432.kers
Total runtime 1965 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 11/71 constraints. Problems are: Problem set: 0 solved, 16 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 16 unsolved
Problem ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-05 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-10 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-10 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 173/233 variables, 14/85 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 173/258 constraints. Problems are: Problem set: 2 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 233/62897 variables, and 258 constraints, problems are : Problem set: 2 solved, 14 unsolved in 5410 ms.
Refiners :[Domain max(s): 233/337 constraints, Positive P Invariants (semi-flows): 14/18 constraints, Generalized P Invariants (flows): 11/12 constraints, State Equation: 0/337 constraints, PredecessorRefiner: 16/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 60/60 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 11/71 constraints. Problems are: Problem set: 2 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/71 constraints. Problems are: Problem set: 2 solved, 14 unsolved
Problem ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-03 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-03 TRUE TECHNIQUES SMT_REFINEMENT
Problem ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-11 is UNSAT
FORMULA ErlangenMainframeV1-PT-bP12C04-ReachabilityFireability-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 173/233 variables, 14/85 constraints. Problems are: Problem set: 4 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/233 variables, 173/258 constraints. Problems are: Problem set: 4 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 233/62897 variables, and 258 constraints, problems are : Problem set: 4 solved, 12 unsolved in 5415 ms.
Refiners :[Domain max(s): 233/337 constraints, Positive P Invariants (semi-flows): 14/18 constraints, Generalized P Invariants (flows): 11/12 constraints, State Equation: 0/337 constraints, PredecessorRefiner: 14/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14397ms problems are : Problem set: 4 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 337 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 337/337 places, 62560/62560 transitions.
Graph (trivial) has 250 edges and 337 vertex of which 10 / 337 are part of one of the 4 SCC in 26 ms
Free SCC test removed 6 places
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 130 transitions
Trivial Post-agglo rules discarded 130 transitions
Performed 130 trivial Post agglomeration. Transition count delta: 130
Iterating post reduction 0 with 130 rules applied. Total rules applied 131 place count 331 transition count 62419
Reduce places removed 130 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 1 with 142 rules applied. Total rules applied 273 place count 201 transition count 62407
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 276 place count 198 transition count 62407
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 4 Pre rules applied. Total rules applied 276 place count 198 transition count 62403
Deduced a syphon composed of 4 places in 107 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 284 place count 194 transition count 62403
Discarding 35 places :
Symmetric choice reduction at 3 with 35 rule applications. Total rules 319 place count 159 transition count 62368
Iterating global reduction 3 with 35 rules applied. Total rules applied 354 place count 159 transition count 62368
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 354 place count 159 transition count 62363
Deduced a syphon composed of 5 places in 122 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 364 place count 154 transition count 62363
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 370 place count 148 transition count 62337
Iterating global reduction 3 with 6 rules applied. Total rules applied 376 place count 148 transition count 62337
Loading property file /tmp/ReachabilityCardinality13589211806214241144.prop.
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 23 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 3 with 66 rules applied. Total rules applied 442 place count 115 transition count 62304
Performed 7 Post agglomeration using F-continuation condition with reduction of 12 identical transitions.
Deduced a syphon composed of 7 places in 35 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 3 with 14 rules applied. Total rules applied 456 place count 108 transition count 62329
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 468 place count 108 transition count 62317
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 470 place count 106 transition count 62311
Iterating global reduction 4 with 2 rules applied. Total rules applied 472 place count 106 transition count 62311
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 482 place count 106 transition count 62301
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 24 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 484 place count 105 transition count 62314
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 485 place count 105 transition count 62313
Free-agglomeration rule applied 3 times.
Iterating global reduction 6 with 3 rules applied. Total rules applied 488 place count 105 transition count 62310
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 491 place count 102 transition count 62310
Partial Post-agglomeration rule applied 12 times.
Drop transitions (Partial Post agglomeration) removed 12 transitions
Iterating global reduction 7 with 12 rules applied. Total rules applied 503 place count 102 transition count 62310
Applied a total of 503 rules in 29791 ms. Remains 102 /337 variables (removed 235) and now considering 62310/62560 (removed 250) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29817 ms. Remains : 102/337 places, 62310/62560 transitions.
RANDOM walk for 37924 steps (8 resets) in 120022 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 10761 steps (1 resets) in 20017 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 13012 steps (3 resets) in 20017 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 7651 steps (0 resets) in 20023 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 10306 steps (1 resets) in 20024 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 7894 steps (0 resets) in 20151 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 8536 steps (0 resets) in 20014 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 11306 steps (1 resets) in 20015 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 9490 steps (0 resets) in 20015 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 13512 steps (1 resets) in 20016 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 13476 steps (2 resets) in 20012 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 7572 steps (0 resets) in 20010 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 9590 steps (0 resets) in 20010 ms. (0 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 384617 steps, run timeout after 270001 ms. (steps per millisecond=1 ) properties seen :0 out of 12
Probabilistic random walk after 384617 steps, saw 63419 distinct states, run finished after 270002 ms. (steps per millisecond=1 ) properties seen :0
[2026-06-01 11:01:38] [INFO ] Flow matrix only has 62296 transitions (discarded 14 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17437965364509870270.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3696127719664887300.kers'
[2026-06-01 11:01:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17437965364509870270.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3696127719664887300.kers]
Culled 0 columns in 293 ms.
// Phase 1: matrix 62296 rows 102 cols 1700788 entries
Finished phase 1 with 69 SingleSign rule and 3 generalized
[2026-06-01 11:01:39] [INFO ] Computed 30 invariants in 1449 ms
Computed 30 P flows in 1453 ms.
Exported basis to /tmp/petrispot-output-3696127719664887300.kers
Total runtime 1663 ms.
[2026-06-01 11:01:40] [INFO ] State equation strengthened by 32 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 7/67 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 8/75 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 27/102 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 2
At refinement iteration 6 (INCLUDED_ONLY) 0/102 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 62398/62398 variables, and 132 constraints, problems are : Problem set: 0 solved, 12 unsolved in 45015 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 102/102 constraints, ReadFeed: 0/32 constraints, PredecessorRefiner: 12/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 7/67 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :4 after 5
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 8/75 variables, 4/18 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :5 after 16
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 27/102 variables, 12/30 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :16 after 774
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 102/62398 variables, and 30 constraints, problems are : Problem set: 0 solved, 12 unsolved in 45229 ms.
Refiners :[Positive P Invariants (semi-flows): 18/18 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 0/102 constraints, ReadFeed: 0/32 constraints, PredecessorRefiner: 12/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 93035ms problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 62310/62310 transitions.
Applied a total of 0 rules in 2026 ms. Remains 102 /102 variables (removed 0) and now considering 62310/62310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2027 ms. Remains : 102/102 places, 62310/62310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 62310/62310 transitions.
Applied a total of 0 rules in 2016 ms. Remains 102 /102 variables (removed 0) and now considering 62310/62310 (removed 0) transitions.
[2026-06-01 11:03:15] [INFO ] Flow matrix only has 62296 transitions (discarded 14 similar events)
[2026-06-01 11:03:15] [INFO ] Invariant cache hit.
[2026-06-01 11:03:15] [INFO ] Implicit Places using invariants in 238 ms returned [86]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 401 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 101/102 places, 62310/62310 transitions.
Applied a total of 0 rules in 2088 ms. Remains 101 /101 variables (removed 0) and now considering 62310/62310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 4533 ms. Remains : 101/102 places, 62310/62310 transitions.
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :774 after 107518
RANDOM walk for 40000 steps (8 resets) in 115709 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 13544 steps (3 resets) in 20010 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 13709 steps (3 resets) in 20008 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 9960 steps (0 resets) in 20006 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 10854 steps (1 resets) in 20011 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 8888 steps (0 resets) in 20015 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 6969 steps (0 resets) in 20023 ms. (0 steps per ms) remains 12/12 properties
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :107518 after 107552
BEST_FIRST walk for 8860 steps (0 resets) in 20016 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 12703 steps (2 resets) in 20013 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 13679 steps (3 resets) in 20013 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 11800 steps (2 resets) in 20014 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 9162 steps (0 resets) in 20016 ms. (0 steps per ms) remains 12/12 properties
BEST_FIRST walk for 11594 steps (1 resets) in 20015 ms. (0 steps per ms) remains 12/12 properties
SDD proceeding with computation,16 properties remain. new max is 512
SDD size :107552 after 110786
SDD proceeding with computation,16 properties remain. new max is 1024
SDD size :110786 after 116676
SDD proceeding with computation,16 properties remain. new max is 2048
SDD size :116676 after 123715
SDD proceeding with computation,16 properties remain. new max is 4096
SDD size :123715 after 133868
SDD proceeding with computation,16 properties remain. new max is 8192
SDD size :133868 after 141400
SDD proceeding with computation,16 properties remain. new max is 16384
SDD size :141400 after 148267
Interrupted probabilistic random walk after 425980 steps, run timeout after 267003 ms. (steps per millisecond=1 ) properties seen :0 out of 12
Probabilistic random walk after 425980 steps, saw 69474 distinct states, run finished after 267004 ms. (steps per millisecond=1 ) properties seen :0
[2026-06-01 11:09:14] [INFO ] Flow matrix only has 62296 transitions (discarded 14 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5816488823004104564.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10456137743045919737.kers'
[2026-06-01 11:09:14] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5816488823004104564.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10456137743045919737.kers]
Culled 0 columns in 439 ms.
// Phase 1: matrix 62296 rows 101 cols 1700786 entries
Finished phase 1 with 69 SingleSign rule and 3 generalized
[2026-06-01 11:09:16] [INFO ] Computed 29 invariants in 1746 ms
Computed 29 P flows in 1747 ms.
Exported basis to /tmp/petrispot-output-10456137743045919737.kers
Total runtime 1958 ms.
[2026-06-01 11:09:17] [INFO ] State equation strengthened by 15 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 7/67 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 7/74 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 27/101 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 62397/62397 variables, and 130 constraints, problems are : Problem set: 0 solved, 12 unsolved in 75043 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 101/101 constraints, ReadFeed: 0/15 constraints, PredecessorRefiner: 12/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 7/67 variables, 14/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/67 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 7/74 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
SDD proceeding with computation,16 properties remain. new max is 32768
SDD size :148267 after 3.36844e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 27/101 variables, 12/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/101 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 62397/62397 variables, and 130 constraints, problems are : Problem set: 0 solved, 12 unsolved in 75020 ms.
Refiners :[Positive P Invariants (semi-flows): 17/17 constraints, Generalized P Invariants (flows): 12/12 constraints, State Equation: 101/101 constraints, ReadFeed: 0/15 constraints, PredecessorRefiner: 12/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 153009ms problems are : Problem set: 0 solved, 12 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 60 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 62310/62310 transitions.
Applied a total of 0 rules in 2198 ms. Remains 101 /101 variables (removed 0) and now considering 62310/62310 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2198 ms. Remains : 101/101 places, 62310/62310 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 62310/62310 transitions.
Applied a total of 0 rules in 2477 ms. Remains 101 /101 variables (removed 0) and now considering 62310/62310 (removed 0) transitions.
[2026-06-01 11:11:52] [INFO ] Flow matrix only has 62296 transitions (discarded 14 similar events)
[2026-06-01 11:11:52] [INFO ] Invariant cache hit.
[2026-06-01 11:11:52] [INFO ] Implicit Places using invariants in 163 ms returned []
Implicit Place search using SMT only with invariants took 165 ms to find 0 implicit places.
Running 62298 sub problems to find dead transitions.
[2026-06-01 11:11:53] [INFO ] Flow matrix only has 62296 transitions (discarded 14 similar events)
[2026-06-01 11:11:53] [INFO ] Invariant cache hit.
[2026-06-01 11:11:54] [INFO ] State equation strengthened by 15 read => feed constraints.
SDD proceeding with computation,16 properties remain. new max is 65536
SDD size :3.36844e+06 after 3.36006e+07
SDD proceeding with computation,16 properties remain. new max is 131072
SDD size :3.36006e+07 after 2.12208e+08
SMT process timed out in 524747ms, After SMT, problems are : Problem set: 0 solved, 62298 unsolved
Search for dead transitions found 0 dead transitions in 525177ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 528220 ms. Remains : 101/101 places, 62310/62310 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 10 edges and 101 vertex of which 3 / 101 are part of one of the 1 SCC in 4 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 29 transitions.
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 99 transition count 62281
Applied a total of 2 rules in 3652 ms. Remains 99 /101 variables (removed 2) and now considering 62281/62310 (removed 29) transitions.
Running SMT prover for 12 properties.
[2026-06-01 11:20:41] [INFO ] Flow matrix only has 62278 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-5433873124803354867.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2174912813956015049.kers'
[2026-06-01 11:20:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5433873124803354867.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2174912813956015049.kers]
Culled 0 columns in 306 ms.
// Phase 1: matrix 62278 rows 99 cols 1700614 entries
Finished phase 1 with 67 SingleSign rule and 3 generalized
[2026-06-01 11:20:43] [INFO ] Computed 29 invariants in 1475 ms
Computed 29 P flows in 1475 ms.
Exported basis to /tmp/petrispot-output-2174912813956015049.kers
Total runtime 1689 ms.
[2026-06-01 11:20:43] [INFO ] After 98ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2026-06-01 11:20:43] [INFO ] [Nat]Absence check using 17 positive place invariants in 6 ms returned sat
[2026-06-01 11:20:43] [INFO ] [Nat]Absence check using 17 positive and 12 generalized place invariants in 4 ms returned sat
[2026-06-01 11:22:16] [INFO ] After 92716ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2026-06-01 11:22:16] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-06-01 11:22:47] [INFO ] After 30699ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :12
TRAPS : Iteration 0
Detected timeout of ITS tools.
[2026-06-01 11:23:38] [INFO ] Flatten gal took : 11797 ms
[2026-06-01 11:23:38] [INFO ] Applying decomposition
[2026-06-01 11:23:44] [INFO ] After 87432ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
[2026-06-01 11:23:49] [INFO ] Flatten gal took : 11319 ms
[2026-06-01 11:24:18] [INFO ] After 215186ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
Over-approximation ignoring read arcs solved 0 properties in 221305 ms.
[2026-06-01 11:24:19] [WARNING] Could not apply decomposition. Using flat GAL structure.
java.lang.InterruptedException
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:1804)
at java.base/java.lang.ProcessImpl.waitFor(ProcessImpl.java:440)
at fr.lip6.move.gal.process.Runner.waitForOrTimeout(Runner.java:70)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:47)
at fr.lip6.move.gal.process.Runner.runTool(Runner.java:27)
at fr.lip6.move.gal.louvain.GraphBuilder.convertGraphToBin(GraphBuilder.java:258)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:189)
at fr.lip6.move.gal.louvain.GraphBuilder.computeLouvain(GraphBuilder.java:157)
at fr.lip6.move.gal.application.mcc.MccTranslator.applyOrder(MccTranslator.java:114)
at fr.lip6.move.gal.application.mcc.MccTranslator.flattenSpec(MccTranslator.java:230)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:714)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:71)
at java.base/java.lang.Thread.run(Thread.java:1583)
[2026-06-01 11:24:31] [INFO ] Flatten gal took : 11946 ms
[2026-06-01 11:24:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15735383049972678346.gal : 1417 ms
[2026-06-01 11:24:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17322118533573613463.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality15735383049972678346.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17322118533573613463.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality17322118533573613463.prop.
SDD proceeding with computation,12 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,12 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,12 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :5 after 16
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :16 after 774
SDD proceeding with computation,12 properties remain. new max is 128
SDD size :774 after 107518
SDD proceeding with computation,12 properties remain. new max is 256
SDD size :107518 after 107552
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :107552 after 110786
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :110786 after 116676
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :116676 after 123715
SDD proceeding with computation,12 properties remain. new max is 4096
SDD size :123715 after 133868
SDD proceeding with computation,12 properties remain. new max is 8192
SDD size :133868 after 141400
SDD proceeding with computation,12 properties remain. new max is 16384
SDD size :141400 after 148267
SDD proceeding with computation,12 properties remain. new max is 32768
SDD size :148267 after 3.36844e+06
SDD proceeding with computation,12 properties remain. new max is 65536
SDD size :3.36844e+06 after 3.36006e+07
SDD proceeding with computation,12 properties remain. new max is 131072
SDD size :3.36006e+07 after 2.12208e+08
SDD proceeding with computation,12 properties remain. new max is 262144
SDD size :2.12208e+08 after 9.44887e+08

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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="ErlangenMainframeV1-PT-bP12C04"
export BK_EXAMINATION="ReachabilityFireability"
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 ErlangenMainframeV1-PT-bP12C04, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r338-smll-178021499100143"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ErlangenMainframeV1-PT-bP12C04.tgz
mv ErlangenMainframeV1-PT-bP12C04 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;