Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r092-tall-171624188800214.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool itstools
Input is CloudReconfiguration-PT-313, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r092-tall-171624188800214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 11 19:51 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Apr 11 19:51 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Apr 11 19:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 11 19:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 660K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-00
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-01
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-02
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-03
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-04
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-05
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-06
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-07
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-08
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-09
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-10
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-11
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-12
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-13
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-14
FORMULA_NAME CloudReconfiguration-PT-313-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1716274556046

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudReconfiguration-PT-313
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202405141337
[2024-05-21 06:55:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-21 06:55:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-21 06:55:57] [INFO ] Load time of PNML (sax parser for PT used): 155 ms
[2024-05-21 06:55:57] [INFO ] Transformed 2585 places.
[2024-05-21 06:55:57] [INFO ] Transformed 3095 transitions.
[2024-05-21 06:55:57] [INFO ] Found NUPN structural information;
[2024-05-21 06:55:57] [INFO ] Parsed PT model containing 2585 places and 3095 transitions and 6463 arcs in 267 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 15 ms.
Working with output stream class java.io.PrintStream
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (280 resets) in 1787 ms. (22 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 84 ms. (47 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 117 ms. (33 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (8 resets) in 87 ms. (45 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 34 ms. (114 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 82 ms. (48 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 38 ms. (102 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4001 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (9 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
[2024-05-21 06:55:58] [INFO ] Flatten gal took : 385 ms
BEST_FIRST walk for 4003 steps (9 resets) in 39 ms. (100 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (9 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 15 ms. (250 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 148 ms. (26 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 43 ms. (90 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (8 resets) in 71 ms. (55 steps per ms) remains 15/15 properties
[2024-05-21 06:55:58] [INFO ] Flatten gal took : 169 ms
[2024-05-21 06:55:58] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11325507980525702455.gal : 146 ms
[2024-05-21 06:55:58] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16592177113999896895.prop : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11325507980525702455.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16592177113999896895.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202405141337/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality16592177113999896895.prop.
Interrupted probabilistic random walk after 223694 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 15
Probabilistic random walk after 223694 steps, saw 58027 distinct states, run finished after 3006 ms. (steps per millisecond=74 ) properties seen :0
// Phase 1: matrix 3095 rows 2585 cols
[2024-05-21 06:56:01] [INFO ] Computed 4 invariants in 40 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/175 variables, 175/175 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/175 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 2399/2574 variables, 4/179 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2399/2578 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :2 after 3
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :3 after 4
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :4 after 5
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :5 after 6
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :6 after 7
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :7 after 9
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :9 after 12
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :12 after 27
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :27 after 654
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :654 after 4033
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Reachability property CloudReconfiguration-PT-313-ReachabilityCardinality-2024-01 is true.
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,14 properties remain. new max is 4096
SDD size :4033 after 105333
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 0/5152 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 7 (OVERLAPS) 2/5661 variables, 1/5153 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5661 variables, 1/5154 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5661/5680 variables, and 5154 constraints, problems are : Problem set: 1 solved, 14 unsolved in 5084 ms.
Refiners :[Domain max(s): 2575/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2575/2585 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/174 variables, 174/174 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/174 variables, 0/174 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 2 (OVERLAPS) 2400/2574 variables, 4/178 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2574 variables, 2400/2578 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/2574 variables, 0/2578 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 5 (OVERLAPS) 3085/5659 variables, 2574/5152 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5659 variables, 14/5166 constraints. Problems are: Problem set: 1 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5659/5680 variables, and 5166 constraints, problems are : Problem set: 1 solved, 14 unsolved in 5031 ms.
Refiners :[Domain max(s): 2574/2585 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 2574/2585 constraints, PredecessorRefiner: 14/15 constraints, Known Traps: 0/0 constraints]
After SMT, in 10288ms problems are : Problem set: 1 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 174 out of 2585 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2579 edges and 2585 vertex of which 525 / 2585 are part of one of the 48 SCC in 10 ms
Free SCC test removed 477 places
Drop transitions (Empty/Sink Transition effects.) removed 587 transitions
Reduce isomorphic transitions removed 587 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1111 transitions
Trivial Post-agglo rules discarded 1111 transitions
Performed 1111 trivial Post agglomeration. Transition count delta: 1111
Iterating post reduction 0 with 1111 rules applied. Total rules applied 1112 place count 2108 transition count 1397
Reduce places removed 1111 places and 0 transitions.
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 1 with 1212 rules applied. Total rules applied 2324 place count 997 transition count 1296
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 2 with 45 rules applied. Total rules applied 2369 place count 958 transition count 1290
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 3 with 4 rules applied. Total rules applied 2373 place count 956 transition count 1288
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 3 rules applied. Total rules applied 2376 place count 955 transition count 1286
Reduce places removed 1 places and 0 transitions.
Performed 107 Post agglomeration using F-continuation condition.Transition count delta: 107
Iterating post reduction 5 with 108 rules applied. Total rules applied 2484 place count 954 transition count 1179
Reduce places removed 107 places and 0 transitions.
Iterating post reduction 6 with 107 rules applied. Total rules applied 2591 place count 847 transition count 1179
Performed 32 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 32 Pre rules applied. Total rules applied 2591 place count 847 transition count 1147
Deduced a syphon composed of 32 places in 2 ms
Reduce places removed 32 places and 0 transitions.
Iterating global reduction 7 with 64 rules applied. Total rules applied 2655 place count 815 transition count 1147
Discarding 100 places :
Symmetric choice reduction at 7 with 100 rule applications. Total rules 2755 place count 715 transition count 1047
Iterating global reduction 7 with 100 rules applied. Total rules applied 2855 place count 715 transition count 1047
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 8 rules applied. Total rules applied 2863 place count 715 transition count 1039
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 3 rules applied. Total rules applied 2866 place count 714 transition count 1037
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 9 with 3 rules applied. Total rules applied 2869 place count 713 transition count 1035
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 10 with 3 rules applied. Total rules applied 2872 place count 712 transition count 1033
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 2873 place count 711 transition count 1033
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 12 with 6 Pre rules applied. Total rules applied 2873 place count 711 transition count 1027
Deduced a syphon composed of 6 places in 3 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 12 with 12 rules applied. Total rules applied 2885 place count 705 transition count 1027
Discarding 48 places :
Symmetric choice reduction at 12 with 48 rule applications. Total rules 2933 place count 657 transition count 979
Iterating global reduction 12 with 48 rules applied. Total rules applied 2981 place count 657 transition count 979
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 12 with 9 rules applied. Total rules applied 2990 place count 657 transition count 970
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 13 with 4 rules applied. Total rules applied 2994 place count 653 transition count 970
Discarding 5 places :
Symmetric choice reduction at 14 with 5 rule applications. Total rules 2999 place count 648 transition count 963
Iterating global reduction 14 with 5 rules applied. Total rules applied 3004 place count 648 transition count 963
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 14 with 1 rules applied. Total rules applied 3005 place count 648 transition count 962
Discarding 3 places :
Symmetric choice reduction at 15 with 3 rule applications. Total rules 3008 place count 645 transition count 956
Iterating global reduction 15 with 3 rules applied. Total rules applied 3011 place count 645 transition count 956
Discarding 2 places :
Symmetric choice reduction at 15 with 2 rule applications. Total rules 3013 place count 643 transition count 952
Iterating global reduction 15 with 2 rules applied. Total rules applied 3015 place count 643 transition count 952
Performed 182 Post agglomeration using F-continuation condition with reduction of 52 identical transitions.
Deduced a syphon composed of 182 places in 2 ms
Reduce places removed 182 places and 0 transitions.
Iterating global reduction 15 with 364 rules applied. Total rules applied 3379 place count 461 transition count 718
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 15 with 11 rules applied. Total rules applied 3390 place count 461 transition count 707
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 16 with 6 rules applied. Total rules applied 3396 place count 458 transition count 704
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 16 with 2 rules applied. Total rules applied 3398 place count 458 transition count 702
Performed 45 Post agglomeration using F-continuation condition with reduction of 4 identical transitions.
Deduced a syphon composed of 45 places in 2 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 17 with 90 rules applied. Total rules applied 3488 place count 413 transition count 739
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 17 with 29 rules applied. Total rules applied 3517 place count 413 transition count 710
Discarding 6 places :
Symmetric choice reduction at 18 with 6 rule applications. Total rules 3523 place count 407 transition count 698
Iterating global reduction 18 with 6 rules applied. Total rules applied 3529 place count 407 transition count 698
Drop transitions (Redundant composition of simpler transitions.) removed 45 transitions
Redundant transition composition rules discarded 45 transitions
Iterating global reduction 18 with 45 rules applied. Total rules applied 3574 place count 407 transition count 653
Discarding 1 places :
Symmetric choice reduction at 18 with 1 rule applications. Total rules 3575 place count 406 transition count 652
Iterating global reduction 18 with 1 rules applied. Total rules applied 3576 place count 406 transition count 652
Free-agglomeration rule applied 46 times.
Iterating global reduction 18 with 46 rules applied. Total rules applied 3622 place count 406 transition count 606
Reduce places removed 46 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 18 with 47 rules applied. Total rules applied 3669 place count 360 transition count 605
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 19 with 3 rules applied. Total rules applied 3672 place count 360 transition count 602
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 3673 place count 360 transition count 601
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3674 place count 359 transition count 601
Partial Free-agglomeration rule applied 18 times.
Drop transitions (Partial Free agglomeration) removed 18 transitions
Iterating global reduction 20 with 18 rules applied. Total rules applied 3692 place count 359 transition count 601
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3693 place count 359 transition count 600
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3694 place count 359 transition count 600
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 3695 place count 359 transition count 599
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 21 with 1 rules applied. Total rules applied 3696 place count 358 transition count 598
Applied a total of 3696 rules in 616 ms. Remains 358 /2585 variables (removed 2227) and now considering 598/3095 (removed 2497) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 625 ms. Remains : 358/2585 places, 598/3095 transitions.
RANDOM walk for 40000 steps (21 resets) in 830 ms. (48 steps per ms) remains 10/14 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (41 resets) in 200 ms. (199 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40001 steps (21 resets) in 282 ms. (141 steps per ms) remains 9/10 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (21 resets) in 256 ms. (155 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (12 resets) in 275 ms. (144 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (18 resets) in 162 ms. (245 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (15 resets) in 202 ms. (197 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40001 steps (17 resets) in 251 ms. (158 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (12 resets) in 151 ms. (263 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (25 resets) in 196 ms. (203 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40000 steps (32 resets) in 184 ms. (216 steps per ms) remains 9/9 properties
[2024-05-21 06:56:13] [INFO ] Flow matrix only has 592 transitions (discarded 6 similar events)
// Phase 1: matrix 592 rows 358 cols
[2024-05-21 06:56:13] [INFO ] Computed 4 invariants in 4 ms
[2024-05-21 06:56:13] [INFO ] State equation strengthened by 28 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/166 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (OVERLAPS) 192/358 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem CloudReconfiguration-PT-313-ReachabilityCardinality-2024-08 is UNSAT
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-08 FALSE TECHNIQUES SMT_REFINEMENT
Problem CloudReconfiguration-PT-313-ReachabilityCardinality-2024-13 is UNSAT
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 3 (OVERLAPS) 592/950 variables, 358/362 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/950 variables, 28/390 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/950 variables, 0/390 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (OVERLAPS) 0/950 variables, 0/390 constraints. Problems are: Problem set: 2 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 950/950 variables, and 390 constraints, problems are : Problem set: 2 solved, 7 unsolved in 548 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 358/358 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/136 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 222/358 variables, 4/4 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/358 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 592/950 variables, 358/362 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/950 variables, 28/390 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/950 variables, 7/397 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/950 variables, 0/397 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 0/950 variables, 0/397 constraints. Problems are: Problem set: 2 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 950/950 variables, and 397 constraints, problems are : Problem set: 2 solved, 7 unsolved in 1186 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 358/358 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 7/9 constraints, Known Traps: 0/0 constraints]
After SMT, in 1793ms problems are : Problem set: 2 solved, 7 unsolved
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-14 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-09 FALSE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-06 TRUE TECHNIQUES PARIKH_WALK
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 6 properties in 662 ms.
Support contains 23 out of 358 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 358/358 places, 598/598 transitions.
Graph (trivial) has 397 edges and 358 vertex of which 82 / 358 are part of one of the 29 SCC in 0 ms
Free SCC test removed 53 places
Drop transitions (Empty/Sink Transition effects.) removed 94 transitions
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 102 transitions.
Graph (complete) has 668 edges and 305 vertex of which 299 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 80 transitions
Trivial Post-agglo rules discarded 80 transitions
Performed 80 trivial Post agglomeration. Transition count delta: 80
Iterating post reduction 0 with 84 rules applied. Total rules applied 86 place count 299 transition count 411
Reduce places removed 80 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 93 rules applied. Total rules applied 179 place count 219 transition count 398
Reduce places removed 1 places and 0 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Iterating post reduction 2 with 4 rules applied. Total rules applied 183 place count 218 transition count 395
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 187 place count 215 transition count 394
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 21 Pre rules applied. Total rules applied 187 place count 215 transition count 373
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 4 with 42 rules applied. Total rules applied 229 place count 194 transition count 373
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 241 place count 182 transition count 359
Iterating global reduction 4 with 12 rules applied. Total rules applied 253 place count 182 transition count 359
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 6 rules applied. Total rules applied 259 place count 182 transition count 353
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 261 place count 181 transition count 352
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 2 Pre rules applied. Total rules applied 261 place count 181 transition count 350
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 6 with 4 rules applied. Total rules applied 265 place count 179 transition count 350
Discarding 1 places :
Symmetric choice reduction at 6 with 1 rule applications. Total rules 266 place count 178 transition count 349
Iterating global reduction 6 with 1 rules applied. Total rules applied 267 place count 178 transition count 349
Performed 41 Post agglomeration using F-continuation condition with reduction of 7 identical transitions.
Deduced a syphon composed of 41 places in 0 ms
Reduce places removed 41 places and 0 transitions.
Iterating global reduction 6 with 82 rules applied. Total rules applied 349 place count 137 transition count 301
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 6 with 22 rules applied. Total rules applied 371 place count 137 transition count 279
Discarding 5 places :
Symmetric choice reduction at 7 with 5 rule applications. Total rules 376 place count 132 transition count 271
Iterating global reduction 7 with 5 rules applied. Total rules applied 381 place count 132 transition count 271
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 383 place count 132 transition count 269
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 384 place count 131 transition count 267
Iterating global reduction 8 with 1 rules applied. Total rules applied 385 place count 131 transition count 267
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 386 place count 131 transition count 266
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 9 with 2 rules applied. Total rules applied 388 place count 130 transition count 265
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 389 place count 130 transition count 264
Discarding 1 places :
Symmetric choice reduction at 10 with 1 rule applications. Total rules 390 place count 129 transition count 262
Iterating global reduction 10 with 1 rules applied. Total rules applied 391 place count 129 transition count 262
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -18
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 10 with 28 rules applied. Total rules applied 419 place count 115 transition count 280
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 10 with 24 rules applied. Total rules applied 443 place count 115 transition count 256
Discarding 10 places :
Symmetric choice reduction at 11 with 10 rule applications. Total rules 453 place count 105 transition count 232
Iterating global reduction 11 with 10 rules applied. Total rules applied 463 place count 105 transition count 232
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 464 place count 105 transition count 231
Discarding 2 places :
Symmetric choice reduction at 12 with 2 rule applications. Total rules 466 place count 103 transition count 229
Iterating global reduction 12 with 2 rules applied. Total rules applied 468 place count 103 transition count 229
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 12 with 6 rules applied. Total rules applied 474 place count 103 transition count 223
Drop transitions (Redundant composition of simpler transitions.) removed 17 transitions
Redundant transition composition rules discarded 17 transitions
Iterating global reduction 13 with 17 rules applied. Total rules applied 491 place count 103 transition count 206
Free-agglomeration rule applied 6 times.
Iterating global reduction 13 with 6 rules applied. Total rules applied 497 place count 103 transition count 200
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 9 rules applied. Total rules applied 506 place count 97 transition count 197
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 14 with 1 rules applied. Total rules applied 507 place count 97 transition count 196
Partial Free-agglomeration rule applied 10 times.
Drop transitions (Partial Free agglomeration) removed 10 transitions
Iterating global reduction 14 with 10 rules applied. Total rules applied 517 place count 97 transition count 196
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 14 with 3 rules applied. Total rules applied 520 place count 97 transition count 193
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 521 place count 96 transition count 192
Iterating global reduction 15 with 1 rules applied. Total rules applied 522 place count 96 transition count 192
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 15 with 2 rules applied. Total rules applied 524 place count 96 transition count 190
Discarding 1 places :
Symmetric choice reduction at 15 with 1 rule applications. Total rules 525 place count 95 transition count 189
Iterating global reduction 15 with 1 rules applied. Total rules applied 526 place count 95 transition count 189
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 527 place count 95 transition count 189
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 15 with 1 rules applied. Total rules applied 528 place count 95 transition count 188
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 15 with 1 rules applied. Total rules applied 529 place count 94 transition count 187
Applied a total of 529 rules in 92 ms. Remains 94 /358 variables (removed 264) and now considering 187/598 (removed 411) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 92 ms. Remains : 94/358 places, 187/598 transitions.
RANDOM walk for 40000 steps (236 resets) in 274 ms. (145 steps per ms) remains 1/1 properties
BEST_FIRST walk for 35206 steps (51 resets) in 61 ms. (567 steps per ms) remains 0/1 properties
FORMULA CloudReconfiguration-PT-313-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 19095 ms.

BK_STOP 1716274576259

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="CloudReconfiguration-PT-313"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5568"
echo " Executing tool itstools"
echo " Input is CloudReconfiguration-PT-313, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r092-tall-171624188800214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-313.tgz
mv CloudReconfiguration-PT-313 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;