About the Execution of ITS-Tools for TwoPhaseLocking-PT-nC00020vD
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
241.392 | 8408.00 | 11124.00 | 436.50 | TFTFFFFTFTFTTFTF | normal |
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.r485-tall-167912699900801.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 TwoPhaseLocking-PT-nC00020vD, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r485-tall-167912699900801
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 7.9K Feb 25 17:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 25 17:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Feb 25 17:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 25 17:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:36 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Feb 25 17:36 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:36 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 25 17:36 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.6K Mar 5 18:23 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 TwoPhaseLocking-PT-nC00020vD-CTLCardinality-00
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-01
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-02
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-03
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-04
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-05
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-06
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-07
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-08
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-09
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-10
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-11
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-12
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-13
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-14
FORMULA_NAME TwoPhaseLocking-PT-nC00020vD-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679285994558
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=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC00020vD
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202303021504
[2023-03-20 04:19:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-20 04:19:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 04:19:56] [INFO ] Load time of PNML (sax parser for PT used): 26 ms
[2023-03-20 04:19:56] [INFO ] Transformed 8 places.
[2023-03-20 04:19:56] [INFO ] Transformed 6 transitions.
[2023-03-20 04:19:56] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 84 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 13 ms.
Initial state reduction rules removed 3 formulas.
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 8 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 04:19:56] [INFO ] Computed 3 place invariants in 6 ms
[2023-03-20 04:19:56] [INFO ] Implicit Places using invariants in 133 ms returned []
[2023-03-20 04:19:56] [INFO ] Invariant cache hit.
[2023-03-20 04:19:56] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2023-03-20 04:19:56] [INFO ] Invariant cache hit.
[2023-03-20 04:19:56] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 238 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-20 04:19:56] [INFO ] Flatten gal took : 12 ms
[2023-03-20 04:19:56] [INFO ] Flatten gal took : 4 ms
[2023-03-20 04:19:56] [INFO ] Input system was already deterministic with 6 transitions.
Incomplete random walk after 10000 steps, including 103 resets, run finished after 212 ms. (steps per millisecond=47 ) properties (out of 57) seen :33
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 24) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 24) seen :0
Running SMT prover for 24 properties.
[2023-03-20 04:19:57] [INFO ] Invariant cache hit.
[2023-03-20 04:19:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 04:19:57] [INFO ] After 82ms SMT Verify possible using all constraints in real domain returned unsat :21 sat :0 real:3
[2023-03-20 04:19:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 04:19:57] [INFO ] After 32ms SMT Verify possible using all constraints in natural domain returned unsat :24 sat :0
Fused 24 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 1 ms.
Successfully simplified 24 atomic propositions for a total of 13 simplifications.
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-20 04:19:57] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 2 ms
[2023-03-20 04:19:57] [INFO ] Initial state reduction rules for CTL removed 2 formulas.
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Input system was already deterministic with 6 transitions.
Support contains 7 out of 8 places (down from 8) after GAL structural reductions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 7 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 6 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 6 place count 5 transition count 3
Applied a total of 6 rules in 7 ms. Remains 5 /8 variables (removed 3) and now considering 3/6 (removed 3) transitions.
// Phase 1: matrix 3 rows 5 cols
[2023-03-20 04:19:57] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 04:19:57] [INFO ] Implicit Places using invariants in 19 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 22 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 4/8 places, 3/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 31 ms. Remains : 4/8 places, 3/6 transitions.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 2 ms
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Input system was already deterministic with 3 transitions.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:57] [INFO ] Time to serialize gal into /tmp/CTLCardinality14017387718824120070.gal : 3 ms
[2023-03-20 04:19:57] [INFO ] Time to serialize properties into /tmp/CTLCardinality9430100794849984702.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/CTLCardinality14017387718824120070.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9430100794849984702.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 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,121,0.01564,3184,2,25,5,191,6,0,22,144,0
Converting to forward existential form...Done !
original formula: AF(AG(EF(EG((haveA>2)))))
=> equivalent forward existential formula: [FwdG(Init,!(!(E(TRUE U !(E(TRUE U EG((haveA>2))))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 1/0/2
(forward)formula 0,1,0.022683,3532,1,0,9,735,27,4,140,807,11
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 8 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 3 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-20 04:19:57] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 04:19:57] [INFO ] Implicit Places using invariants in 23 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 29 ms. Remains : 6/8 places, 5/6 transitions.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:57] [INFO ] Input system was already deterministic with 5 transitions.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 6 ms
[2023-03-20 04:19:57] [INFO ] Time to serialize gal into /tmp/CTLCardinality8403702281879552833.gal : 1 ms
[2023-03-20 04:19:57] [INFO ] Time to serialize properties into /tmp/CTLCardinality12851343968969422702.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality8403702281879552833.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality12851343968969422702.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 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2430,0.033501,4420,2,331,5,6836,6,0,32,6945,0
Converting to forward existential form...Done !
original formula: E(((haveA2andB<=haveB)&&(haveA2<=12)) U !(AF((haveA2andB<9))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,((haveA2andB<=haveB)&&(haveA2<=12))),!((haveA2andB<9)))] != FALSE
Hit Full ! (commute/partial/dont) 1/1/4
(forward)formula 0,0,0.129222,7588,1,0,10,22133,26,2,237,23039,8
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 04:19:57] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 04:19:57] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 04:19:57] [INFO ] Invariant cache hit.
[2023-03-20 04:19:57] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-20 04:19:57] [INFO ] Invariant cache hit.
[2023-03-20 04:19:57] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 82 ms. Remains : 8/8 places, 6/6 transitions.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 2 ms
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Input system was already deterministic with 6 transitions.
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:57] [INFO ] Time to serialize gal into /tmp/CTLCardinality4164419112756402667.gal : 1 ms
[2023-03-20 04:19:57] [INFO ] Time to serialize properties into /tmp/CTLCardinality799906574928264772.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/CTLCardinality4164419112756402667.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality799906574928264772.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 -...282
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7006,0.115593,7600,2,2221,5,21609,6,0,41,23388,0
Converting to forward existential form...Done !
original formula: AX(EX((((AG((haveA>haveAandB)) * (haveB<=haveA2andB)) * (haveA2andB>resA)) + (EF((Clients<=haveA2andB)) * EX((haveA<5))))))
=> equivalent forward existential formula: [(EY(Init) * !(EX((((!(E(TRUE U !((haveA>haveAandB)))) * (haveB<=haveA2andB)) * (haveA2andB>resA)) + (E(TRUE U (...206
Reverse transition relation is NOT exact ! Due to transitions t3, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0...161
(forward)formula 0,1,0.349706,12880,1,0,36,46324,36,20,398,51320,46
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 04:19:58] [INFO ] Invariant cache hit.
[2023-03-20 04:19:58] [INFO ] Implicit Places using invariants in 33 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 33 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35 ms. Remains : 7/8 places, 6/6 transitions.
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:58] [INFO ] Input system was already deterministic with 6 transitions.
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:58] [INFO ] Time to serialize gal into /tmp/CTLCardinality4141683197904407456.gal : 0 ms
[2023-03-20 04:19:58] [INFO ] Time to serialize properties into /tmp/CTLCardinality13491030509801382793.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality4141683197904407456.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13491030509801382793.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 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7006,0.054044,5220,2,397,5,10862,6,0,37,11659,0
Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.054181,5220,1,0,6,10862,7,1,48,11659,1
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 04:19:58] [INFO ] Invariant cache hit.
[2023-03-20 04:19:58] [INFO ] Implicit Places using invariants in 23 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25 ms. Remains : 7/8 places, 6/6 transitions.
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:58] [INFO ] Input system was already deterministic with 6 transitions.
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:58] [INFO ] Time to serialize gal into /tmp/CTLCardinality17731398710097913230.gal : 0 ms
[2023-03-20 04:19:58] [INFO ] Time to serialize properties into /tmp/CTLCardinality15014305098459591110.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality17731398710097913230.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15014305098459591110.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 -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7006,0.05212,5220,2,397,5,10862,6,0,37,11659,0
Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.052275,5220,1,0,6,10862,7,1,48,11659,1
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 04:19:58] [INFO ] Invariant cache hit.
[2023-03-20 04:19:58] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-20 04:19:58] [INFO ] Invariant cache hit.
[2023-03-20 04:19:58] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-20 04:19:58] [INFO ] Invariant cache hit.
[2023-03-20 04:19:58] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 8/8 places, 6/6 transitions.
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:58] [INFO ] Input system was already deterministic with 6 transitions.
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:58] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:19:58] [INFO ] Time to serialize gal into /tmp/CTLCardinality6011096910897382906.gal : 0 ms
[2023-03-20 04:19:58] [INFO ] Time to serialize properties into /tmp/CTLCardinality13074441072190707595.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLCardinality6011096910897382906.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13074441072190707595.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 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7006,0.110334,7336,2,2221,5,21609,6,0,41,23388,0
Converting to forward existential form...Done !
original formula: A(EF(AX((Clients<=3))) U !(AX((haveA2andB<=haveA2))))
=> equivalent forward existential formula: [((Init * !(EG(!(!(!(EX(!((haveA2andB<=haveA2))))))))) * !(E(!(!(!(EX(!((haveA2andB<=haveA2)))))) U (!(E(TRUE U ...232
Reverse transition relation is NOT exact ! Due to transitions t3, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0...161
Using saturation style SCC detection
(forward)formula 0,1,0.867311,26688,1,0,235,121220,42,145,339,132404,247
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 04:19:59] [INFO ] Invariant cache hit.
[2023-03-20 04:19:59] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-20 04:19:59] [INFO ] Invariant cache hit.
[2023-03-20 04:19:59] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-20 04:19:59] [INFO ] Invariant cache hit.
[2023-03-20 04:19:59] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 8/8 places, 6/6 transitions.
[2023-03-20 04:19:59] [INFO ] Flatten gal took : 2 ms
[2023-03-20 04:19:59] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:59] [INFO ] Input system was already deterministic with 6 transitions.
[2023-03-20 04:19:59] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:59] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:19:59] [INFO ] Time to serialize gal into /tmp/CTLCardinality6858231273025636725.gal : 2 ms
[2023-03-20 04:19:59] [INFO ] Time to serialize properties into /tmp/CTLCardinality9370660490435425555.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/CTLCardinality6858231273025636725.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9370660490435425555.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 -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7006,0.111048,7596,2,2221,5,21609,6,0,41,23388,0
Converting to forward existential form...Done !
original formula: A((Clients<=haveAandB) U ((Clients>=14) * EG(EF(EX((resA<=1))))))
=> equivalent forward existential formula: [((Init * !(EG(!(((Clients>=14) * EG(E(TRUE U EX((resA<=1))))))))) * !(E(!(((Clients>=14) * EG(E(TRUE U EX((resA...256
Reverse transition relation is NOT exact ! Due to transitions t3, Intersection with reachable at each step enabled. (destroyed/reverse/intersect/total) :0...161
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,1.52589,42832,1,0,348,196404,45,263,341,218911,354
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !
***************************************
Starting structural reductions in SI_CTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 7 transition count 4
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 4 place count 6 transition count 4
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 5 transition count 3
Applied a total of 6 rules in 2 ms. Remains 5 /8 variables (removed 3) and now considering 3/6 (removed 3) transitions.
// Phase 1: matrix 3 rows 5 cols
[2023-03-20 04:20:01] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 04:20:01] [INFO ] Implicit Places using invariants in 24 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 4/8 places, 3/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 4 /4 variables (removed 0) and now considering 3/3 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 27 ms. Remains : 4/8 places, 3/6 transitions.
[2023-03-20 04:20:01] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:20:01] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:20:01] [INFO ] Input system was already deterministic with 3 transitions.
[2023-03-20 04:20:01] [INFO ] Flatten gal took : 0 ms
[2023-03-20 04:20:01] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:20:01] [INFO ] Time to serialize gal into /tmp/CTLCardinality14918841394150098888.gal : 1 ms
[2023-03-20 04:20:01] [INFO ] Time to serialize properties into /tmp/CTLCardinality13594262597005566327.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/CTLCardinality14918841394150098888.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13594262597005566327.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 -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,121,0.004844,3296,2,25,5,191,6,0,22,144,0
Converting to forward existential form...Done !
original formula: AG(AF((haveB>=9)))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!((haveB>=9)))] = FALSE
Hit Full ! (commute/partial/dont) 1/0/2
(forward)formula 0,0,0.005815,3612,1,0,8,191,20,2,138,144,8
FORMULA TwoPhaseLocking-PT-nC00020vD-CTLCardinality-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !
***************************************
[2023-03-20 04:20:01] [INFO ] Flatten gal took : 1 ms
[2023-03-20 04:20:01] [INFO ] Flatten gal took : 0 ms
Total runtime 4983 ms.
BK_STOP 1679286002966
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ 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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="TwoPhaseLocking-PT-nC00020vD"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is TwoPhaseLocking-PT-nC00020vD, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r485-tall-167912699900801"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00020vD.tgz
mv TwoPhaseLocking-PT-nC00020vD execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;