Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r083-smll-167814405600109.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.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 2-5348
Executing tool itstools
Input is CircularTrains-PT-096, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r083-smll-167814405600109
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 6.0K Feb 26 04:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Feb 26 04:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Feb 26 04:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 04:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 15:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 04:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 131K Feb 26 04:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 04:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Feb 26 04:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 73K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1678220427166

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CircularTrains-PT-096
Not applying reductions.
Model is PT
Liveness PT
Running Version 202303021504
[2023-03-07 20:20:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-07 20:20:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-07 20:20:30] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2023-03-07 20:20:30] [INFO ] Transformed 192 places.
[2023-03-07 20:20:30] [INFO ] Transformed 96 transitions.
[2023-03-07 20:20:30] [INFO ] Parsed PT model containing 192 places and 96 transitions and 384 arcs in 196 ms.
Built sparse matrix representations for Structural reductions in 7 ms.19711KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 192/192 places, 96/96 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 29 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 29 ms. Remains : 192/192 places, 96/96 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 192/192 places, 96/96 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 10 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
// Phase 1: matrix 96 rows 192 cols
[2023-03-07 20:20:30] [INFO ] Computed 97 place invariants in 23 ms
[2023-03-07 20:20:30] [INFO ] Implicit Places using invariants in 414 ms returned []
[2023-03-07 20:20:30] [INFO ] Invariant cache hit.
[2023-03-07 20:20:31] [INFO ] Implicit Places using invariants and state equation in 242 ms returned []
Implicit Place search using SMT with State Equation took 697 ms to find 0 implicit places.
[2023-03-07 20:20:31] [INFO ] Redundant transitions in 2 ms returned []
[2023-03-07 20:20:31] [INFO ] Invariant cache hit.
[2023-03-07 20:20:31] [INFO ] Dead Transitions using invariants and state equation in 176 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 897 ms. Remains : 192/192 places, 96/96 transitions.
Random walk for 1250000 steps, including 0 resets, run took 5987 ms (no deadlock found). (steps per millisecond=208 )
Random directed walk for 1250006 steps, including 0 resets, run took 4166 ms (no deadlock found). (steps per millisecond=300 )
[2023-03-07 20:20:41] [INFO ] Invariant cache hit.
[2023-03-07 20:20:41] [INFO ] [Real]Absence check using 52 positive place invariants in 26 ms returned sat
[2023-03-07 20:20:41] [INFO ] [Real]Absence check using 52 positive and 45 generalized place invariants in 52 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 192/192 places, 96/96 transitions.
Applied a total of 0 rules in 6 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
[2023-03-07 20:20:41] [INFO ] Invariant cache hit.
[2023-03-07 20:20:42] [INFO ] Implicit Places using invariants in 279 ms returned [1, 4, 5, 8, 10, 14, 20, 27, 29, 37, 39, 49, 109, 115, 116, 123, 125, 144, 155, 162, 164, 166, 168, 174, 177, 178, 182, 183, 185, 186, 187, 189]
Discarding 32 places :
Implicit Place search using SMT only with invariants took 284 ms to find 32 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 160/192 places, 96/96 transitions.
Drop transitions removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 160 transition count 64
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 64 place count 128 transition count 64
Applied a total of 64 rules in 9 ms. Remains 128 /160 variables (removed 32) and now considering 64/96 (removed 32) transitions.
// Phase 1: matrix 64 rows 128 cols
[2023-03-07 20:20:42] [INFO ] Computed 65 place invariants in 4 ms
[2023-03-07 20:20:42] [INFO ] Implicit Places using invariants in 188 ms returned []
[2023-03-07 20:20:42] [INFO ] Invariant cache hit.
[2023-03-07 20:20:42] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 471 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 128/192 places, 64/96 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 770 ms. Remains : 128/192 places, 64/96 transitions.
Initial state reduction rules removed 32 formulas.
Finished random walk after 115 steps, including 0 resets, run visited all 32 properties in 38 ms. (steps per millisecond=3 )
[2023-03-07 20:20:42] [INFO ] Flatten gal took : 81 ms
[2023-03-07 20:20:42] [INFO ] Flatten gal took : 22 ms
[2023-03-07 20:20:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5925341884046976316.gal : 12 ms
[2023-03-07 20:20:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4573880648099181704.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5925341884046976316.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4573880648099181704.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 64 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 192/192 places, 96/96 transitions.
Applied a total of 0 rules in 3 ms. Remains 192 /192 variables (removed 0) and now considering 96/96 (removed 0) transitions.
// Phase 1: matrix 96 rows 192 cols
[2023-03-07 20:20:42] [INFO ] Computed 97 place invariants in 6 ms
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality4573880648099181704.prop.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 3 fixpoint passes
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,5,0.036604,3932,2,138,5,413,6,0,579,146,0
Total reachable state count : 5

[2023-03-07 20:20:43] [INFO ] Implicit Places using invariants in 283 ms returned [1, 4, 5, 8, 10, 14, 20, 27, 29, 37, 39, 49, 109, 115, 116, 123, 125, 144, 155, 162, 164, 166, 168, 174, 177, 178, 182, 183, 185, 186, 187, 189]
Discarding 32 places :
Implicit Place search using SMT only with invariants took 285 ms to find 32 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 160/192 places, 96/96 transitions.
Drop transitions removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 160 transition count 64
Reduce places removed 32 places and 0 transitions.
Iterating post reduction 1 with 32 rules applied. Total rules applied 64 place count 128 transition count 64
Applied a total of 64 rules in 7 ms. Remains 128 /160 variables (removed 32) and now considering 64/96 (removed 32) transitions.
// Phase 1: matrix 64 rows 128 cols
[2023-03-07 20:20:43] [INFO ] Computed 65 place invariants in 3 ms
[2023-03-07 20:20:43] [INFO ] Implicit Places using invariants in 191 ms returned []
[2023-03-07 20:20:43] [INFO ] Invariant cache hit.
[2023-03-07 20:20:43] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 128/192 places, 64/96 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 661 ms. Remains : 128/192 places, 64/96 transitions.
[2023-03-07 20:20:43] [INFO ] Flatten gal took : 12 ms
[2023-03-07 20:20:43] [INFO ] Flatten gal took : 12 ms
[2023-03-07 20:20:43] [INFO ] Time to serialize gal into /tmp/CTLFireability12020726017656329821.gal : 3 ms
[2023-03-07 20:20:43] [INFO ] Time to serialize properties into /tmp/CTLFireability2208156687919186888.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12020726017656329821.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2208156687919186888.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 64 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.83262e+18,0.550214,19520,2,3201,5,94597,6,0,579,98753,0


Converting to forward existential form...Done !
original formula: AG(EF(((Section_66>=1)&&(F67>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_66>=1)&&(F67>=1)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.37182,32948,1,0,6,212788,14,0,2689,98753,5
Formula is TRUE !

***************************************

original formula: AG(EF(((F60>=1)&&(Section_59>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F60>=1)&&(Section_59>=1)))))] = FALSE
(forward)formula 1,1,1.3906,33740,1,0,7,215703,15,0,2690,98753,8
Formula is TRUE !

***************************************

original formula: AG(EF(((F19>=1)&&(Section_18>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F19>=1)&&(Section_18>=1)))))] = FALSE
(forward)formula 2,1,1.45694,35588,1,0,8,227714,16,0,2691,98753,11
Formula is TRUE !

***************************************

original formula: AG(EF(((F81>=1)&&(Section_80>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F81>=1)&&(Section_80>=1)))))] = FALSE
(forward)formula 3,1,1.46517,35852,1,0,9,228341,17,0,2692,98753,14
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_41>=1)&&(F42>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_41>=1)&&(F42>=1)))))] = FALSE
(forward)formula 4,1,1.50728,37172,1,0,10,234949,18,0,2693,98753,17
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_11>=1)&&(F12>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_11>=1)&&(F12>=1)))))] = FALSE
(forward)formula 5,1,1.58442,39548,1,0,11,248282,19,0,2694,98753,20
Formula is TRUE !

***************************************

original formula: AG(EF(((F7>=1)&&(Section_6>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F7>=1)&&(Section_6>=1)))))] = FALSE
(forward)formula 6,1,1.6732,43372,1,0,12,262329,20,0,2695,98753,23
Formula is TRUE !

***************************************

original formula: AG(EF(((F46>=1)&&(Section_45>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F46>=1)&&(Section_45>=1)))))] = FALSE
(forward)formula 7,1,1.70929,44424,1,0,13,267518,21,0,2696,98753,26
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_32>=1)&&(F33>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_32>=1)&&(F33>=1)))))] = FALSE
(forward)formula 8,1,1.76941,46272,1,0,14,276448,22,0,2697,98753,29
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_9>=1)&&(F10>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_9>=1)&&(F10>=1)))))] = FALSE
(forward)formula 9,1,1.93257,47856,1,0,15,290028,23,0,2698,98753,32
Formula is TRUE !

***************************************

original formula: AG(EF(((F30>=1)&&(Section_29>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F30>=1)&&(Section_29>=1)))))] = FALSE
(forward)formula 10,1,1.98969,49176,1,0,16,299695,24,0,2699,101446,35
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_89>=1)&&(F90>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_89>=1)&&(F90>=1)))))] = FALSE
(forward)formula 11,1,1.9937,49440,1,0,17,299830,25,0,2700,101556,38
Formula is TRUE !

***************************************

original formula: AG(EF(((F9>=1)&&(Section_8>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F9>=1)&&(Section_8>=1)))))] = FALSE
(forward)formula 12,1,2.0956,51288,1,0,18,313648,26,0,2701,115075,41
Formula is TRUE !

***************************************

original formula: AG(EF(((F21>=1)&&(Section_20>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F21>=1)&&(Section_20>=1)))))] = FALSE
(forward)formula 13,1,2.16085,53136,1,0,19,325310,27,0,2702,126110,44
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_30>=1)&&(F31>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_30>=1)&&(F31>=1)))))] = FALSE
(forward)formula 14,1,2.21422,54720,1,0,20,334613,28,0,2703,134604,47
Formula is TRUE !

***************************************

original formula: AG(EF(((F48>=1)&&(Section_47>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F48>=1)&&(Section_47>=1)))))] = FALSE
(forward)formula 15,1,2.24243,55512,1,0,21,339325,29,0,2704,138419,50
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_23>=1)&&(F24>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_23>=1)&&(F24>=1)))))] = FALSE
(forward)formula 16,1,2.30571,57096,1,0,22,350358,30,0,2705,148763,53
Formula is TRUE !

***************************************

original formula: AG(EF(((F16>=1)&&(Section_15>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F16>=1)&&(Section_15>=1)))))] = FALSE
(forward)formula 17,1,2.37906,59208,1,0,23,362896,31,0,2706,160782,56
Formula is TRUE !

***************************************

original formula: AG(EF(((F87>=1)&&(Section_86>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F87>=1)&&(Section_86>=1)))))] = FALSE
(forward)formula 18,1,2.38217,59472,1,0,24,363114,32,0,2707,160951,59
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_2>=1)&&(F3>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_2>=1)&&(F3>=1)))))] = FALSE
(forward)formula 19,1,2.4674,61848,1,0,25,374821,33,0,2708,175513,62
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_87>=1)&&(F88>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_87>=1)&&(F88>=1)))))] = FALSE
(forward)formula 20,1,2.46976,62112,1,0,26,374975,34,0,2709,175631,65
Formula is TRUE !

***************************************

original formula: AG(EF(((F55>=1)&&(Section_54>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F55>=1)&&(Section_54>=1)))))] = FALSE
(forward)formula 21,1,2.49251,62640,1,0,27,378476,35,0,2710,178348,68
Formula is TRUE !

***************************************

original formula: AG(EF(((F85>=1)&&(Section_84>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F85>=1)&&(Section_84>=1)))))] = FALSE
(forward)formula 22,1,2.49553,62904,1,0,28,378755,36,0,2711,178563,71
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_50>=1)&&(F51>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_50>=1)&&(F51>=1)))))] = FALSE
(forward)formula 23,1,2.52284,63432,1,0,29,383039,37,0,2712,181886,74
Formula is TRUE !

***************************************

original formula: AG(EF(((F25>=1)&&(Section_24>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F25>=1)&&(Section_24>=1)))))] = FALSE
(forward)formula 24,1,2.5928,65280,1,0,30,393744,38,0,2713,191874,77
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_57>=1)&&(F58>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_57>=1)&&(F58>=1)))))] = FALSE
(forward)formula 25,1,2.61376,65808,1,0,31,396749,39,0,2714,194203,80
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_78>=1)&&(F79>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_78>=1)&&(F79>=1)))))] = FALSE
(forward)formula 26,1,2.61964,66072,1,0,32,397387,40,0,2715,194697,83
Formula is TRUE !

***************************************

original formula: AG(EF(((F76>=1)&&(Section_75>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F76>=1)&&(Section_75>=1)))))] = FALSE
(forward)formula 27,1,2.62631,66336,1,0,33,398260,41,0,2716,195374,86
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_48>=1)&&(F49>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_48>=1)&&(F49>=1)))))] = FALSE
(forward)formula 28,1,2.65677,66864,1,0,34,402633,42,0,2717,198847,89
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_60>=1)&&(F61>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_60>=1)&&(F61>=1)))))] = FALSE
(forward)formula 29,1,2.67505,67128,1,0,35,405193,43,0,2718,200831,92
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_39>=1)&&(F40>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_39>=1)&&(F40>=1)))))] = FALSE
(forward)formula 30,1,2.72583,68448,1,0,36,412123,44,0,2719,206874,95
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_69>=1)&&(F70>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_69>=1)&&(F70>=1)))))] = FALSE
(forward)formula 31,1,2.73819,68712,1,0,37,413562,45,0,2720,207989,98
Formula is TRUE !

***************************************

original formula: AG(EF(((F64>=1)&&(Section_63>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F64>=1)&&(Section_63>=1)))))] = FALSE
(forward)formula 32,1,2.7552,69240,1,0,38,415711,46,0,2721,209654,101
Formula is TRUE !

***************************************

original formula: AG(EF(((F43>=1)&&(Section_42>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((F43>=1)&&(Section_42>=1)))))] = FALSE
(forward)formula 33,1,2.96279,70560,1,0,39,421778,47,0,2722,214824,104
Formula is TRUE !

***************************************

original formula: AG(EF(((Section_96>=1)&&(F1>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((Section_96>=1)&&(F1>=1)))))] = FALSE
(forward)formula 34,1,2.96613,70824,1,0,40,421783,48,0,2723,214829,107
Formula is TRUE !
Detected timeout of ITS tools.
[2023-03-07 20:20:46] [INFO ] Flatten gal took : 9 ms
[2023-03-07 20:20:46] [INFO ] Applying decomposition
[2023-03-07 20:20:46] [INFO ] Flatten gal took : 9 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph5313863687244277818.txt' '-o' '/tmp/graph5313863687244277818.bin' '-w' '/tmp/graph5313863687244277818.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph5313863687244277818.bin' '-l' '-1' '-v' '-w' '/tmp/graph5313863687244277818.weights' '-q' '0' '-e' '0.001'
[2023-03-07 20:20:46] [INFO ] Decomposing Gal with order
[2023-03-07 20:20:46] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-07 20:20:46] [INFO ] Flatten gal took : 55 ms
[2023-03-07 20:20:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2023-03-07 20:20:46] [INFO ] Time to serialize gal into /tmp/CTLFireability2126033315845478714.gal : 5 ms
[2023-03-07 20:20:46] [INFO ] Time to serialize properties into /tmp/CTLFireability7687641608010940569.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2126033315845478714.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7687641608010940569.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 29 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.83262e+18,0.211746,10880,257,5,19961,36,168,12091,11,22,0


Converting to forward existential form...Done !
original formula: AG(EF(((i5.i1.u56.F34>=1)&&(i5.i1.u23.Section_33>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i5.i1.u56.F34>=1)&&(i5.i1.u23.Section_33>=1)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.26454,11144,1,0,19961,36,598,12091,38,22,7964
Formula is TRUE !

***************************************

original formula: AG(EF(((i7.i0.u3.F37>=1)&&(i7.i0.u29.Section_36>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i7.i0.u3.F37>=1)&&(i7.i0.u29.Section_36>=1)))))] = FALSE
(forward)formula 1,1,0.277857,11144,1,0,19961,36,610,12091,38,22,9740
Formula is TRUE !

***************************************

original formula: AG(EF(((i5.i0.u63.F28>=1)&&(i4.i0.u24.Section_27>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i5.i0.u63.F28>=1)&&(i4.i0.u24.Section_27>=1)))))] = FALSE
(forward)formula 2,1,0.2916,11144,1,0,19961,36,618,12091,38,22,11569
Formula is TRUE !

***************************************

original formula: AG(EF(((i9.i0.u28.F66>=1)&&(i9.i0.u62.Section_65>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i9.i0.u28.F66>=1)&&(i9.i0.u62.Section_65>=1)))))] = FALSE
(forward)formula 3,1,0.297524,11144,1,0,19961,36,622,12091,38,22,12415
Formula is TRUE !

***************************************

original formula: AG(EF(((i0.i2.u20.F73>=1)&&(i0.i0.u51.Section_72>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i0.i2.u20.F73>=1)&&(i0.i0.u51.Section_72>=1)))))] = FALSE
(forward)formula 4,1,0.305146,11144,1,0,19961,36,629,12091,38,22,13325
Formula is TRUE !

***************************************

original formula: AG(EF(((i10.i1.u9.F94>=1)&&(i10.i1.u37.Section_93>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i10.i1.u9.F94>=1)&&(i10.i1.u37.Section_93>=1)))))] = FALSE
(forward)formula 5,1,0.31997,11144,1,0,19961,36,639,12091,38,22,14678
Formula is TRUE !

***************************************

original formula: AG(EF(((i10.i0.u60.F91>=1)&&(i10.i0.u21.Section_90>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i10.i0.u60.F91>=1)&&(i10.i0.u21.Section_90>=1)))))] = FALSE
(forward)formula 6,1,0.331579,11144,1,0,19961,36,648,12091,38,22,15974
Formula is TRUE !

***************************************

original formula: AG(EF(((i2.i1.u38.Section_12>=1)&&(i2.i1.u54.F13>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i2.i1.u38.Section_12>=1)&&(i2.i1.u54.F13>=1)))))] = FALSE
(forward)formula 7,1,0.353323,11144,1,0,19961,36,656,13231,38,22,18356
Formula is TRUE !

***************************************

original formula: AG(EF(((i1.i0.u17.F6>=1)&&(i1.i2.u59.Section_5>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i1.i0.u17.F6>=1)&&(i1.i2.u59.Section_5>=1)))))] = FALSE
(forward)formula 8,1,0.371818,11144,1,0,19961,36,664,14545,38,22,20557
Formula is TRUE !

***************************************

original formula: AG(EF(((i3.i2.u43.Section_51>=1)&&(i3.i1.u55.F52>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i3.i2.u43.Section_51>=1)&&(i3.i1.u55.F52>=1)))))] = FALSE
(forward)formula 9,1,0.375914,11408,1,0,19961,36,670,14827,38,22,20982
Formula is TRUE !

***************************************

original formula: AG(EF(((i8.i0.u32.F82>=1)&&(i8.i0.u52.Section_81>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i8.i0.u32.F82>=1)&&(i8.i0.u52.Section_81>=1)))))] = FALSE
(forward)formula 10,1,0.384095,11672,1,0,20144,36,676,15295,38,22,21850
Formula is TRUE !

***************************************

original formula: AG(EF(((i7.i1.u42.F45>=1)&&(i7.i1.u22.Section_44>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i7.i1.u42.F45>=1)&&(i7.i1.u22.Section_44>=1)))))] = FALSE
(forward)formula 11,1,0.400028,12200,1,0,21947,36,680,16271,38,22,23473
Formula is TRUE !

***************************************

original formula: AG(EF(((i6.i0.u27.F18>=1)&&(i6.i1.u19.Section_17>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i6.i0.u27.F18>=1)&&(i6.i1.u19.Section_17>=1)))))] = FALSE
(forward)formula 12,1,0.422263,12992,1,0,24055,36,686,17555,38,22,25829
Formula is TRUE !

***************************************

original formula: AG(EF(((i4.i1.u39.Section_21>=1)&&(i4.i1.u13.F22>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i4.i1.u39.Section_21>=1)&&(i4.i1.u13.F22>=1)))))] = FALSE
(forward)formula 13,1,0.444587,13784,1,0,26184,36,694,18845,38,22,28096
Formula is TRUE !

***************************************

original formula: AG(EF(((i1.i2.u47.Section_3>=1)&&(i1.i2.u59.F4>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i1.i2.u47.Section_3>=1)&&(i1.i2.u59.F4>=1)))))] = FALSE
(forward)formula 14,1,0.471591,14576,1,0,28196,36,702,20129,38,22,30300
Formula is TRUE !

***************************************

original formula: AG(EF(((i2.i1.u54.Section_14>=1)&&(i6.i1.u45.F15>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i2.i1.u54.Section_14>=1)&&(i6.i1.u45.F15>=1)))))] = FALSE
(forward)formula 15,1,0.490171,15104,1,0,30248,36,706,21383,38,22,32633
Formula is TRUE !

***************************************

original formula: AG(EF(((i11.i1.u25.F57>=1)&&(i11.i1.u44.Section_56>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i11.i1.u25.F57>=1)&&(i11.i1.u44.Section_56>=1)))))] = FALSE
(forward)formula 16,1,0.491747,15632,1,0,30298,36,710,21422,38,22,32742
Formula is TRUE !

***************************************

original formula: AG(EF(((i3.i1.u35.F54>=1)&&(i3.i1.u55.Section_53>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i3.i1.u35.F54>=1)&&(i3.i1.u55.Section_53>=1)))))] = FALSE
(forward)formula 17,1,0.49481,15896,1,0,30544,36,714,21582,38,22,33039
Formula is TRUE !

***************************************

original formula: AG(EF(((i10.i1.u37.F93>=1)&&(i10.i0.u60.Section_92>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i10.i1.u37.F93>=1)&&(i10.i0.u60.Section_92>=1)))))] = FALSE
(forward)formula 18,1,0.50644,15896,1,0,31707,36,720,22310,38,22,34296
Formula is TRUE !

***************************************

original formula: AG(EF(((i7.i0.u29.F36>=1)&&(i5.i1.u56.Section_35>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i7.i0.u29.F36>=1)&&(i5.i1.u56.Section_35>=1)))))] = FALSE
(forward)formula 19,1,0.51957,16160,1,0,33024,36,724,22994,38,22,35721
Formula is TRUE !

***************************************

original formula: AG(EF(((i9.i1.u49.F63>=1)&&(i9.i1.u46.Section_62>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i9.i1.u49.F63>=1)&&(i9.i1.u46.Section_62>=1)))))] = FALSE
(forward)formula 20,1,0.521273,16424,1,0,33116,36,728,23051,38,22,35842
Formula is TRUE !

***************************************

original formula: AG(EF(((i4.i0.u18.Section_26>=1)&&(i4.i0.u24.F27>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i4.i0.u18.Section_26>=1)&&(i4.i0.u24.F27>=1)))))] = FALSE
(forward)formula 21,1,0.540147,17216,1,0,35260,36,734,24279,38,22,38090
Formula is TRUE !

***************************************

original formula: AG(EF(((i0.i1.u11.F78>=1)&&(i0.i1.u2.Section_77>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i0.i1.u11.F78>=1)&&(i0.i1.u2.Section_77>=1)))))] = FALSE
(forward)formula 22,1,0.54742,17480,1,0,35950,36,738,24856,38,22,38818
Formula is TRUE !

***************************************

original formula: AG(EF(((i10.i1.u9.Section_95>=1)&&(i1.i1.u12.F96>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i10.i1.u9.Section_95>=1)&&(i1.i1.u12.F96>=1)))))] = FALSE
(forward)formula 23,1,0.564359,17744,1,0,36738,36,742,25389,38,22,40037
Formula is TRUE !

***************************************

original formula: AG(EF(((i0.i0.u0.F69>=1)&&(i9.i0.u33.Section_68>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i0.i0.u0.F69>=1)&&(i9.i0.u33.Section_68>=1)))))] = FALSE
(forward)formula 24,1,0.567068,18008,1,0,36785,36,746,25423,38,22,40199
Formula is TRUE !

***************************************

original formula: AG(EF(((i0.i0.u1.Section_71>=1)&&(i0.i0.u51.F72>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i0.i0.u1.Section_71>=1)&&(i0.i0.u51.F72>=1)))))] = FALSE
(forward)formula 25,1,0.575042,18272,1,0,37476,36,754,26009,38,22,40932
Formula is TRUE !

***************************************

original formula: AG(EF(((i8.i1.u48.F84>=1)&&(i8.i0.u32.Section_83>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i8.i1.u48.F84>=1)&&(i8.i0.u32.Section_83>=1)))))] = FALSE
(forward)formula 26,1,0.591324,18272,1,0,38292,36,760,26504,38,22,41792
Formula is TRUE !

***************************************

original formula: AG(EF(((i0.i2.u50.F75>=1)&&(i0.i2.u20.Section_74>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i0.i2.u50.F75>=1)&&(i0.i2.u20.Section_74>=1)))))] = FALSE
(forward)formula 27,1,0.59815,18536,1,0,38918,36,766,26989,38,22,42418
Formula is TRUE !

***************************************

original formula: AG(EF(((i7.i0.u3.Section_38>=1)&&(i7.i0.u8.F39>=1))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((i7.i0.u3.Section_38>=1)&&(i7.i0.u8.F39>=1)))))] = FALSE
(forward)formula 28,1,0.613379,19064,1,0,40741,36,770,28016,38,22,44037
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query Liveness after proving 64 properties.
FORMULA Liveness TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 17434 ms.

BK_STOP 1678220448860

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CircularTrains-PT-096"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 2-5348"
echo " Executing tool itstools"
echo " Input is CircularTrains-PT-096, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r083-smll-167814405600109"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CircularTrains-PT-096.tgz
mv CircularTrains-PT-096 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;