fond
Model Checking Contest 2021
11th edition, Paris, France, June 23, 2021
Execution of r178-tajo-162089416300764
Last Updated
Jun 28, 2021

About the Execution of ITS-Tools for ResAllocation-PT-R003C050

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1822.852 56784.00 82372.00 328.60 TFFFTFTFTFFFTTTF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2021-input.r178-tajo-162089416300764.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2021-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is ResAllocation-PT-R003C050, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-tajo-162089416300764
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 720K
-rw-r--r-- 1 mcc users 14K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 109K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 78K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.3K Mar 28 16:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 28 16:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 28 16:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 28 16:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Mar 27 10:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22K Mar 27 10:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 25 14:03 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 25 14:03 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 08:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 08:15 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 9 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 360K May 5 16:51 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 ResAllocation-PT-R003C050-00
FORMULA_NAME ResAllocation-PT-R003C050-01
FORMULA_NAME ResAllocation-PT-R003C050-02
FORMULA_NAME ResAllocation-PT-R003C050-03
FORMULA_NAME ResAllocation-PT-R003C050-04
FORMULA_NAME ResAllocation-PT-R003C050-05
FORMULA_NAME ResAllocation-PT-R003C050-06
FORMULA_NAME ResAllocation-PT-R003C050-07
FORMULA_NAME ResAllocation-PT-R003C050-08
FORMULA_NAME ResAllocation-PT-R003C050-09
FORMULA_NAME ResAllocation-PT-R003C050-10
FORMULA_NAME ResAllocation-PT-R003C050-11
FORMULA_NAME ResAllocation-PT-R003C050-12
FORMULA_NAME ResAllocation-PT-R003C050-13
FORMULA_NAME ResAllocation-PT-R003C050-14
FORMULA_NAME ResAllocation-PT-R003C050-15

=== Now, execution of the tool begins

BK_START 1621265750624

Running Version 0
[2021-05-17 15:35:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-17 15:35:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-17 15:35:53] [INFO ] Load time of PNML (sax parser for PT used): 89 ms
[2021-05-17 15:35:53] [INFO ] Transformed 300 places.
[2021-05-17 15:35:53] [INFO ] Transformed 200 transitions.
[2021-05-17 15:35:53] [INFO ] Parsed PT model containing 300 places and 200 transitions in 125 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2021-05-17 15:35:53] [INFO ] Initial state test concluded for 2 properties.
FORMULA ResAllocation-PT-R003C050-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResAllocation-PT-R003C050-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResAllocation-PT-R003C050-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 45 out of 300 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 300/300 places, 200/200 transitions.
Applied a total of 0 rules in 31 ms. Remains 300 /300 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 300 cols
[2021-05-17 15:35:53] [INFO ] Computed 150 place invariants in 9 ms
[2021-05-17 15:35:53] [INFO ] Implicit Places using invariants in 308 ms returned [295, 297, 299]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 336 ms to find 3 implicit places.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:35:53] [INFO ] Computed 147 place invariants in 5 ms
[2021-05-17 15:35:53] [INFO ] Dead Transitions using invariants and state equation in 261 ms returned []
Starting structural reductions, iteration 1 : 297/300 places, 200/200 transitions.
Applied a total of 0 rules in 14 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:35:53] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:35:53] [INFO ] Dead Transitions using invariants and state equation in 126 ms returned []
Finished structural reductions, in 2 iterations. Remains : 297/300 places, 200/200 transitions.
[2021-05-17 15:35:54] [INFO ] Initial state reduction rules for LTL removed 3 formulas.
[2021-05-17 15:35:54] [INFO ] Flatten gal took : 75 ms
FORMULA ResAllocation-PT-R003C050-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResAllocation-PT-R003C050-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResAllocation-PT-R003C050-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-17 15:35:54] [INFO ] Flatten gal took : 20 ms
[2021-05-17 15:35:54] [INFO ] Input system was already deterministic with 200 transitions.
Incomplete random walk after 100000 steps, including 946 resets, run finished after 565 ms. (steps per millisecond=176 ) properties (out of 24) seen :17
Running SMT prover for 7 properties.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:35:54] [INFO ] Computed 147 place invariants in 7 ms
[2021-05-17 15:35:54] [INFO ] [Real]Absence check using 147 positive place invariants in 43 ms returned unsat
[2021-05-17 15:35:55] [INFO ] [Real]Absence check using 147 positive place invariants in 7 ms returned unsat
[2021-05-17 15:35:55] [INFO ] [Real]Absence check using 147 positive place invariants in 27 ms returned unsat
[2021-05-17 15:35:55] [INFO ] [Real]Absence check using 147 positive place invariants in 21 ms returned unsat
[2021-05-17 15:35:55] [INFO ] [Real]Absence check using 147 positive place invariants in 5 ms returned unsat
[2021-05-17 15:35:55] [INFO ] [Real]Absence check using 147 positive place invariants in 17 ms returned unsat
[2021-05-17 15:35:55] [INFO ] [Real]Absence check using 147 positive place invariants in 8 ms returned unsat
Successfully simplified 7 atomic propositions for a total of 10 simplifications.
[2021-05-17 15:35:55] [INFO ] Initial state test concluded for 3 properties.
FORMULA ResAllocation-PT-R003C050-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResAllocation-PT-R003C050-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ResAllocation-PT-R003C050-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G((p0||F(p1)))))], workingDir=/home/mcc/execution]
Support contains 4 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Performed 46 Post agglomeration using F-continuation condition.Transition count delta: 46
Deduced a syphon composed of 46 places in 0 ms
Reduce places removed 46 places and 0 transitions.
Iterating global reduction 0 with 92 rules applied. Total rules applied 92 place count 251 transition count 154
Applied a total of 92 rules in 59 ms. Remains 251 /297 variables (removed 46) and now considering 154/200 (removed 46) transitions.
// Phase 1: matrix 154 rows 251 cols
[2021-05-17 15:35:55] [INFO ] Computed 147 place invariants in 2 ms
[2021-05-17 15:35:55] [INFO ] Implicit Places using invariants in 235 ms returned []
// Phase 1: matrix 154 rows 251 cols
[2021-05-17 15:35:55] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:35:56] [INFO ] Implicit Places using invariants and state equation in 315 ms returned []
Implicit Place search using SMT with State Equation took 554 ms to find 0 implicit places.
[2021-05-17 15:35:56] [INFO ] Redundant transitions in 5 ms returned []
// Phase 1: matrix 154 rows 251 cols
[2021-05-17 15:35:56] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:35:56] [INFO ] Dead Transitions using invariants and state equation in 135 ms returned []
Finished structural reductions, in 1 iterations. Remains : 251/297 places, 154/200 transitions.
Stuttering acceptance computed with spot in 185 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ResAllocation-PT-R003C050-01 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ s19 s92), p1:(LEQ s108 s194)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 1103 reset in 812 ms.
Product exploration explored 100000 steps with 1103 reset in 710 ms.
Knowledge obtained : [p0, p1]
Stuttering acceptance computed with spot in 117 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 1092 reset in 436 ms.
Stack based approach found an accepted trace after 35193 steps with 388 reset with depth 52 and stack size 52 in 178 ms.
FORMULA ResAllocation-PT-R003C050-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ResAllocation-PT-R003C050-01 finished in 3477 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X((X(F(p0))||G(p1)))))], workingDir=/home/mcc/execution]
Support contains 4 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Applied a total of 0 rules in 2 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:35:59] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:35:59] [INFO ] Implicit Places using invariants in 211 ms returned []
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:35:59] [INFO ] Computed 147 place invariants in 4 ms
[2021-05-17 15:35:59] [INFO ] Implicit Places using invariants and state equation in 262 ms returned []
Implicit Place search using SMT with State Equation took 493 ms to find 0 implicit places.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:35:59] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:35:59] [INFO ] Dead Transitions using invariants and state equation in 262 ms returned []
Finished structural reductions, in 1 iterations. Remains : 297/297 places, 200/200 transitions.
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ResAllocation-PT-R003C050-02 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=3, aps=[p0:(LEQ s53 s124), p1:(LEQ s257 s176)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 2594 reset in 571 ms.
Product exploration explored 100000 steps with 2491 reset in 494 ms.
Knowledge obtained : [(NOT p0), (NOT p1)]
Stuttering acceptance computed with spot in 122 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 2656 reset in 669 ms.
Stack based approach found an accepted trace after 79488 steps with 2117 reset with depth 101 and stack size 101 in 547 ms.
FORMULA ResAllocation-PT-R003C050-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ResAllocation-PT-R003C050-02 finished in 3398 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((G(p0)||G(p1))))], workingDir=/home/mcc/execution]
Support contains 4 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: 47
Deduced a syphon composed of 47 places in 1 ms
Reduce places removed 47 places and 0 transitions.
Iterating global reduction 0 with 94 rules applied. Total rules applied 94 place count 250 transition count 153
Applied a total of 94 rules in 29 ms. Remains 250 /297 variables (removed 47) and now considering 153/200 (removed 47) transitions.
// Phase 1: matrix 153 rows 250 cols
[2021-05-17 15:36:02] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:02] [INFO ] Implicit Places using invariants in 332 ms returned []
// Phase 1: matrix 153 rows 250 cols
[2021-05-17 15:36:02] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:03] [INFO ] Implicit Places using invariants and state equation in 955 ms returned []
Implicit Place search using SMT with State Equation took 1294 ms to find 0 implicit places.
[2021-05-17 15:36:03] [INFO ] Redundant transitions in 3 ms returned []
// Phase 1: matrix 153 rows 250 cols
[2021-05-17 15:36:03] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:03] [INFO ] Dead Transitions using invariants and state equation in 79 ms returned []
Finished structural reductions, in 1 iterations. Remains : 250/297 places, 153/200 transitions.
Stuttering acceptance computed with spot in 38 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : ResAllocation-PT-R003C050-03 automaton TGBA [mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={0, 1} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 0}]], initial=0, aps=[p0:(LEQ 1 s41), p1:(OR (LEQ s179 s57) (LEQ 1 s143))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 201 steps with 1 reset in 2 ms.
FORMULA ResAllocation-PT-R003C050-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ResAllocation-PT-R003C050-03 finished in 1479 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X((p0&&X(G(p1))))))], workingDir=/home/mcc/execution]
Support contains 5 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Applied a total of 0 rules in 2 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:03] [INFO ] Computed 147 place invariants in 0 ms
[2021-05-17 15:36:04] [INFO ] Implicit Places using invariants in 160 ms returned []
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:04] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:04] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 349 ms to find 0 implicit places.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:04] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:04] [INFO ] Dead Transitions using invariants and state equation in 105 ms returned []
Finished structural reductions, in 1 iterations. Remains : 297/297 places, 200/200 transitions.
Stuttering acceptance computed with spot in 111 ms :[true, (OR (NOT p1) (NOT p0)), (NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ResAllocation-PT-R003C050-05 automaton TGBA [mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=3, aps=[p0:(OR (GT s5 s180) (LEQ s144 s158)), p1:(GT 1 s203)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ResAllocation-PT-R003C050-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ResAllocation-PT-R003C050-05 finished in 589 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((p0 U (G(p1)||X(G(p2)))))], workingDir=/home/mcc/execution]
Support contains 5 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Applied a total of 0 rules in 1 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:04] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:04] [INFO ] Implicit Places using invariants in 114 ms returned []
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:04] [INFO ] Computed 147 place invariants in 0 ms
[2021-05-17 15:36:04] [INFO ] Implicit Places using invariants and state equation in 229 ms returned []
Implicit Place search using SMT with State Equation took 356 ms to find 0 implicit places.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:04] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:04] [INFO ] Dead Transitions using invariants and state equation in 105 ms returned []
Finished structural reductions, in 1 iterations. Remains : 297/297 places, 200/200 transitions.
Stuttering acceptance computed with spot in 98 ms :[(NOT p2), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : ResAllocation-PT-R003C050-10 automaton TGBA [mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0, 1} source=1 dest: 1}, { cond=(AND (NOT p1) p0 p2), acceptance={0} source=1 dest: 1}, { cond=(AND p1 p0 (NOT p2)), acceptance={1} source=1 dest: 1}, { cond=(AND p1 p0 p2), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) p2), acceptance={} source=2 dest: 0}, { cond=(AND p1 p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 3}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0, 1} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=1, aps=[p2:(GT s163 s138), p1:(LEQ s166 s34), p0:(LEQ s138 s94)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 5649 steps with 54 reset in 25 ms.
FORMULA ResAllocation-PT-R003C050-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ResAllocation-PT-R003C050-10 finished in 597 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G((p0&&X(G(p1)))))], workingDir=/home/mcc/execution]
Support contains 5 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Applied a total of 0 rules in 2 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:05] [INFO ] Computed 147 place invariants in 0 ms
[2021-05-17 15:36:05] [INFO ] Implicit Places using invariants in 155 ms returned []
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:05] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:05] [INFO ] Implicit Places using invariants and state equation in 236 ms returned []
Implicit Place search using SMT with State Equation took 392 ms to find 0 implicit places.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:05] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:05] [INFO ] Dead Transitions using invariants and state equation in 82 ms returned []
Finished structural reductions, in 1 iterations. Remains : 297/297 places, 200/200 transitions.
Stuttering acceptance computed with spot in 54 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : ResAllocation-PT-R003C050-11 automaton TGBA [mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(OR (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ 1 s293), p1:(OR (AND (GT 1 s293) (GT s157 s211) (LEQ s208 s150)) (LEQ s208 s150))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 0 ms.
FORMULA ResAllocation-PT-R003C050-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ResAllocation-PT-R003C050-11 finished in 543 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((X(X(F(p0)))&&F(p1)))], workingDir=/home/mcc/execution]
Support contains 3 out of 297 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Applied a total of 0 rules in 1 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:05] [INFO ] Computed 147 place invariants in 0 ms
[2021-05-17 15:36:05] [INFO ] Implicit Places using invariants in 167 ms returned []
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:05] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:06] [INFO ] Implicit Places using invariants and state equation in 261 ms returned []
Implicit Place search using SMT with State Equation took 428 ms to find 0 implicit places.
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:06] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:06] [INFO ] Dead Transitions using invariants and state equation in 141 ms returned []
Finished structural reductions, in 1 iterations. Remains : 297/297 places, 200/200 transitions.
Stuttering acceptance computed with spot in 100 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0)]
Running random walk in product with property : ResAllocation-PT-R003C050-12 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(GT 1 s16), p0:(LEQ s206 s115)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 33333 reset in 535 ms.
Product exploration explored 100000 steps with 33333 reset in 502 ms.
Knowledge obtained : [p1, p0]
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0)]
Product exploration explored 100000 steps with 33333 reset in 392 ms.
Product exploration explored 100000 steps with 33333 reset in 428 ms.
Applying partial POR strategy [false, false, true, true]
Stuttering acceptance computed with spot in 138 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (NOT p0)]
Support contains 3 out of 297 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 297/297 places, 200/200 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 48 places in 0 ms
Iterating global reduction 0 with 48 rules applied. Total rules applied 48 place count 297 transition count 200
Deduced a syphon composed of 48 places in 0 ms
Applied a total of 48 rules in 16 ms. Remains 297 /297 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2021-05-17 15:36:08] [INFO ] Redundant transitions in 5 ms returned []
// Phase 1: matrix 200 rows 297 cols
[2021-05-17 15:36:08] [INFO ] Computed 147 place invariants in 1 ms
[2021-05-17 15:36:08] [INFO ] Dead Transitions using invariants and state equation in 116 ms returned []
Finished structural reductions, in 1 iterations. Remains : 297/297 places, 200/200 transitions.
Product exploration explored 100000 steps with 33333 reset in 1526 ms.
Product exploration explored 100000 steps with 33333 reset in 1356 ms.
[2021-05-17 15:36:11] [INFO ] Flatten gal took : 15 ms
[2021-05-17 15:36:11] [INFO ] Flatten gal took : 14 ms
[2021-05-17 15:36:11] [INFO ] Time to serialize gal into /tmp/LTL3509636442847951470.gal : 8 ms
[2021-05-17 15:36:11] [INFO ] Time to serialize properties into /tmp/LTL8530347985220374594.ltl : 2 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL3509636442847951470.gal, -t, CGAL, -LTL, /tmp/LTL8530347985220374594.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL3509636442847951470.gal -t CGAL -LTL /tmp/LTL8530347985220374594.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !(((X(X(F("(p_34_1<=r_19_0)"))))&&(F("(p_2_2<1)"))))
Formula 0 simplified : !(XXF"(p_34_1<=r_19_0)" & F"(p_2_2<1)")
Detected timeout of ITS tools.
[2021-05-17 15:36:26] [INFO ] Flatten gal took : 17 ms
[2021-05-17 15:36:26] [INFO ] Applying decomposition
[2021-05-17 15:36:27] [INFO ] Flatten gal took : 41 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph2051771888088415693.txt, -o, /tmp/graph2051771888088415693.bin, -w, /tmp/graph2051771888088415693.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph2051771888088415693.bin, -l, -1, -v, -w, /tmp/graph2051771888088415693.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-17 15:36:27] [INFO ] Decomposing Gal with order
[2021-05-17 15:36:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-17 15:36:27] [INFO ] Removed a total of 4 redundant transitions.
[2021-05-17 15:36:27] [INFO ] Flatten gal took : 102 ms
[2021-05-17 15:36:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 14 ms.
[2021-05-17 15:36:27] [INFO ] Time to serialize gal into /tmp/LTL8786919517573430903.gal : 10 ms
[2021-05-17 15:36:27] [INFO ] Time to serialize properties into /tmp/LTL492110474106739880.ltl : 0 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL8786919517573430903.gal, -t, CGAL, -LTL, /tmp/LTL492110474106739880.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL8786919517573430903.gal -t CGAL -LTL /tmp/LTL492110474106739880.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !(((X(X(F("(gu90.p_34_1<=gu90.r_19_0)"))))&&(F("(gi0.gu5.p_2_2<1)"))))
Formula 0 simplified : !(XXF"(gu90.p_34_1<=gu90.r_19_0)" & F"(gi0.gu5.p_2_2<1)")
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin10262712201108018830
[2021-05-17 15:36:42] [INFO ] Built C files in 30ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10262712201108018830
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin10262712201108018830]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin10262712201108018830] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin10262712201108018830] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
Treatment of property ResAllocation-PT-R003C050-12 finished in 38076 ms.
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin10059542890638928119
[2021-05-17 15:36:43] [INFO ] Computing symmetric may disable matrix : 200 transitions.
[2021-05-17 15:36:43] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2021-05-17 15:36:43] [INFO ] Computing symmetric may enable matrix : 200 transitions.
[2021-05-17 15:36:43] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2021-05-17 15:36:43] [INFO ] Applying decomposition
[2021-05-17 15:36:43] [INFO ] Computing Do-Not-Accords matrix : 200 transitions.
[2021-05-17 15:36:43] [INFO ] Flatten gal took : 29 ms
[2021-05-17 15:36:43] [INFO ] Computation of Completed DNA matrix. took 18 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2021-05-17 15:36:43] [INFO ] Built C files in 56ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10059542890638928119
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin10059542890638928119]
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph7962603337893332162.txt, -o, /tmp/graph7962603337893332162.bin, -w, /tmp/graph7962603337893332162.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph7962603337893332162.bin, -l, -1, -v, -w, /tmp/graph7962603337893332162.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-17 15:36:43] [INFO ] Decomposing Gal with order
[2021-05-17 15:36:43] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-17 15:36:43] [INFO ] Removed a total of 4 redundant transitions.
[2021-05-17 15:36:43] [INFO ] Flatten gal took : 75 ms
[2021-05-17 15:36:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2021-05-17 15:36:44] [INFO ] Time to serialize gal into /tmp/LTLCardinality16873593714151722710.gal : 16 ms
[2021-05-17 15:36:44] [INFO ] Time to serialize properties into /tmp/LTLCardinality14858686788763692125.ltl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTLCardinality16873593714151722710.gal, -t, CGAL, -LTL, /tmp/LTLCardinality14858686788763692125.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTLCardinality16873593714151722710.gal -t CGAL -LTL /tmp/LTLCardinality14858686788763692125.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !(((X(X(F("(gu42.p_34_1<=gu42.r_19_0)"))))&&(F("(gi0.gi0.gi0.gu5.p_2_2<1)"))))
Formula 0 simplified : !(XXF"(gu42.p_34_1<=gu42.r_19_0)" & F"(gi0.gi0.gi0.gu5.p_2_2<1)")
Compilation finished in 1291 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/tmp/ltsmin10059542890638928119]
Link finished in 101 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/pins2lts-mc-linux64, ./gal.so, --threads=8, --when, --ltl, (X(X(<>((LTLAPp0==true))))&&<>((LTLAPp1==true))), --buchi-type=spotba], workingDir=/tmp/ltsmin10059542890638928119]
LTSmin run took 1972 ms.
FORMULA ResAllocation-PT-R003C050-12 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.

BK_STOP 1621265807408

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLCardinality -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="ResAllocation-PT-R003C050"
export BK_EXAMINATION="LTLCardinality"
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 2-4028"
echo " Executing tool itstools"
echo " Input is ResAllocation-PT-R003C050, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r178-tajo-162089416300764"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ResAllocation-PT-R003C050.tgz
mv ResAllocation-PT-R003C050 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;