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.r071-smll-167814398100532.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 lolaxred
Input is CloudOpsManagement-PT-01280by00640, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r071-smll-167814398100532
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 7.9K Feb 26 01:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 26 01:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 01:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Feb 26 01:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Feb 25 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K Feb 26 01:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Feb 26 01:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Feb 26 01:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 17K 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

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-00
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-01
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-02
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-03
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-04
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-05
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-06
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-07
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-08
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-09
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-10
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-11
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-12
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-13
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-14
FORMULA_NAME CloudOpsManagement-PT-01280by00640-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678304807980

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=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudOpsManagement-PT-01280by00640
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 19:46:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-08 19:46:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 19:46:51] [INFO ] Load time of PNML (sax parser for PT used): 149 ms
[2023-03-08 19:46:51] [INFO ] Transformed 27 places.
[2023-03-08 19:46:51] [INFO ] Transformed 29 transitions.
[2023-03-08 19:46:51] [INFO ] Parsed PT model containing 27 places and 29 transitions and 94 arcs in 295 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 19 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 19 out of 27 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 27/27 places, 29/29 transitions.
Applied a total of 0 rules in 20 ms. Remains 27 /27 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 27 cols
[2023-03-08 19:46:51] [INFO ] Computed 11 place invariants in 7 ms
[2023-03-08 19:46:51] [INFO ] Implicit Places using invariants in 198 ms returned [16, 19, 23]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 255 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/27 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 276 ms. Remains : 24/27 places, 29/29 transitions.
Support contains 19 out of 24 places after structural reductions.
[2023-03-08 19:46:51] [INFO ] Flatten gal took : 29 ms
[2023-03-08 19:46:51] [INFO ] Flatten gal took : 13 ms
[2023-03-08 19:46:51] [INFO ] Input system was already deterministic with 29 transitions.
Incomplete random walk after 10259 steps, including 2 resets, run finished after 91 ms. (steps per millisecond=112 ) properties (out of 19) seen :9
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 10) seen :9
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 24 cols
[2023-03-08 19:46:52] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 19:46:52] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0&&(p1||X(p1))))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2023-03-08 19:46:52] [INFO ] Invariant cache hit.
[2023-03-08 19:46:52] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-08 19:46:52] [INFO ] Invariant cache hit.
[2023-03-08 19:46:52] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:52] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
[2023-03-08 19:46:52] [INFO ] Invariant cache hit.
[2023-03-08 19:46:52] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 155 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 258 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(AND p0 p1), acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s8 1) (LT s9 1)), p1:(LT s14 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 17 steps with 0 reset in 2 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-00 finished in 483 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((((X(p0) U p1) U p2)||X(!p1))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2023-03-08 19:46:53] [INFO ] Invariant cache hit.
[2023-03-08 19:46:53] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-08 19:46:53] [INFO ] Invariant cache hit.
[2023-03-08 19:46:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:53] [INFO ] Implicit Places using invariants and state equation in 68 ms returned []
Implicit Place search using SMT with State Equation took 111 ms to find 0 implicit places.
[2023-03-08 19:46:53] [INFO ] Invariant cache hit.
[2023-03-08 19:46:53] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 159 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 283 ms :[(AND p1 (NOT p2)), (AND p1 (NOT p0)), (AND p1 (NOT p2)), true, (NOT p2), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p2) p1), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 4}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=4 dest: 5}], [{ cond=(NOT p0), acceptance={0} source=5 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p2:(AND (GEQ s8 1) (GEQ s22 1)), p1:(AND (GEQ s10 1) (GEQ s22 1)), p0:(AND (GEQ s13 1) (GEQ s16 1) (GEQ s19 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 14 steps with 1 reset in 1 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-03 finished in 473 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((F((X(X((p2||X(p3))))&&p1))&&p0)))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2023-03-08 19:46:53] [INFO ] Invariant cache hit.
[2023-03-08 19:46:53] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-08 19:46:53] [INFO ] Invariant cache hit.
[2023-03-08 19:46:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:53] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
[2023-03-08 19:46:53] [INFO ] Invariant cache hit.
[2023-03-08 19:46:53] [INFO ] Dead Transitions using invariants and state equation in 52 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 161 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 453 ms :[(AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (OR (NOT p1) (AND (NOT p2) (NOT p3))), (OR (NOT p1) (NOT p0) (AND (NOT p2) (NOT p3)))]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={0} source=0 dest: 1}, { cond=(NOT p1), acceptance={0} source=0 dest: 2}], [{ cond=(AND p1 (NOT p2)), acceptance={0} source=1 dest: 5}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=1 dest: 6}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 3}, { cond=(AND p1 (NOT p2)), acceptance={0} source=2 dest: 4}], [{ cond=(AND p1 (NOT p3)), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p1) (NOT p3)), acceptance={0} source=3 dest: 7}], [{ cond=(AND p1 (NOT p3)), acceptance={0} source=4 dest: 1}, { cond=(AND (NOT p1) (NOT p3)), acceptance={0} source=4 dest: 2}], [{ cond=(AND p1 (NOT p2) (NOT p3)), acceptance={0} source=5 dest: 5}, { cond=(AND (NOT p1) (NOT p2) (NOT p3)), acceptance={0} source=5 dest: 6}], [{ cond=(AND (NOT p1) (NOT p2) (NOT p3)), acceptance={0} source=6 dest: 3}, { cond=(AND p1 (NOT p2) (NOT p3)), acceptance={0} source=6 dest: 4}], [{ cond=p1, acceptance={0} source=7 dest: 0}, { cond=(NOT p1), acceptance={0} source=7 dest: 7}], [{ cond=(AND p0 p1), acceptance={0} source=8 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={0} source=8 dest: 7}, { cond=(NOT p0), acceptance={0} source=8 dest: 8}]], initial=8, aps=[p1:(AND (GEQ s13 1) (GEQ s16 1) (GEQ s19 1)), p2:(LT s12 1), p3:(AND (GEQ s13 1) (GEQ s16 1) (GEQ s19 1)), p0:(AND (GEQ s13 1) (GEQ s16 1) (GEQ s19 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 7 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-05 finished in 645 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(p0)||G(p1))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Graph (trivial) has 9 edges and 24 vertex of which 6 / 24 are part of one of the 2 SCC in 4 ms
Free SCC test removed 4 places
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Applied a total of 1 rules in 10 ms. Remains 20 /24 variables (removed 4) and now considering 23/29 (removed 6) transitions.
[2023-03-08 19:46:54] [INFO ] Flow matrix only has 21 transitions (discarded 2 similar events)
// Phase 1: matrix 21 rows 20 cols
[2023-03-08 19:46:54] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 19:46:54] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-08 19:46:54] [INFO ] Flow matrix only has 21 transitions (discarded 2 similar events)
[2023-03-08 19:46:54] [INFO ] Invariant cache hit.
[2023-03-08 19:46:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:54] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-08 19:46:54] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 19:46:54] [INFO ] Flow matrix only has 21 transitions (discarded 2 similar events)
[2023-03-08 19:46:54] [INFO ] Invariant cache hit.
[2023-03-08 19:46:54] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 20/24 places, 23/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 142 ms. Remains : 20/24 places, 23/29 transitions.
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(AND p0 p1), acceptance={} 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 (NOT p0) (NOT p1)), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s3 1), p1:(LT s15 1)], 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 95 steps with 0 reset in 2 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-08 finished in 205 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(X(F(p0))))))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 24 cols
[2023-03-08 19:46:54] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 19:46:54] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-08 19:46:54] [INFO ] Invariant cache hit.
[2023-03-08 19:46:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:54] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-08 19:46:54] [INFO ] Invariant cache hit.
[2023-03-08 19:46:54] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 125 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 211 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}]], initial=4, aps=[p0:(LT s20 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 4729 steps with 945 reset in 41 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-09 finished in 389 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Graph (trivial) has 13 edges and 24 vertex of which 9 / 24 are part of one of the 3 SCC in 0 ms
Free SCC test removed 6 places
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Applied a total of 1 rules in 2 ms. Remains 18 /24 variables (removed 6) and now considering 20/29 (removed 9) transitions.
[2023-03-08 19:46:54] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
// Phase 1: matrix 17 rows 18 cols
[2023-03-08 19:46:54] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 19:46:54] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-08 19:46:54] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2023-03-08 19:46:54] [INFO ] Invariant cache hit.
[2023-03-08 19:46:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:54] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2023-03-08 19:46:54] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 19:46:54] [INFO ] Flow matrix only has 17 transitions (discarded 3 similar events)
[2023-03-08 19:46:54] [INFO ] Invariant cache hit.
[2023-03-08 19:46:54] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 18/24 places, 20/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 136 ms. Remains : 18/24 places, 20/29 transitions.
Stuttering acceptance computed with spot in 91 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s4 1)), p0:(GEQ s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-10 finished in 248 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0||X((!p0&&X(!p0)))) U p1))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 4 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 24 cols
[2023-03-08 19:46:55] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 19:46:55] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:55] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 114 ms to find 0 implicit places.
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 173 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 160 ms :[p0, (NOT p1), true, (OR (NOT p1) p0)]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=3 dest: 0}, { cond=p0, acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p0:(GEQ s11 1), p1:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 32 steps with 6 reset in 0 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-11 finished in 355 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0||F(G((p1 U p2))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:55] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 101 ms to find 0 implicit places.
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] Dead Transitions using invariants and state equation in 52 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 156 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 195 ms :[(AND p0 (NOT p2)), (NOT p2), (NOT p2), (AND p0 (NOT p2))]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p2) p1), acceptance={} source=0 dest: 2}], [{ cond=(OR p2 p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) p1), acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p2) p1), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p0:(LT s15 1), p2:(GEQ s3 1), p1:(AND (GEQ s6 1) (GEQ s23 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 7 steps with 1 reset in 1 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-12 finished in 371 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Graph (trivial) has 15 edges and 24 vertex of which 11 / 24 are part of one of the 4 SCC in 0 ms
Free SCC test removed 7 places
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Applied a total of 1 rules in 3 ms. Remains 17 /24 variables (removed 7) and now considering 19/29 (removed 10) transitions.
[2023-03-08 19:46:55] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
// Phase 1: matrix 15 rows 17 cols
[2023-03-08 19:46:55] [INFO ] Computed 8 place invariants in 3 ms
[2023-03-08 19:46:55] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-08 19:46:55] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:55] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-08 19:46:55] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-08 19:46:55] [INFO ] Flow matrix only has 15 transitions (discarded 4 similar events)
[2023-03-08 19:46:55] [INFO ] Invariant cache hit.
[2023-03-08 19:46:55] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 17/24 places, 19/29 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 132 ms. Remains : 17/24 places, 19/29 transitions.
Stuttering acceptance computed with spot in 64 ms :[p0]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s7 1) (GEQ s15 1))], nbAcceptance=1, 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 2 steps with 0 reset in 1 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-13 finished in 210 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((!p0||X(!p1)) U (G((!p0||X(!p1)))||(p1&&(!p0||X(!p1))))))))'
Support contains 4 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 0 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
// Phase 1: matrix 29 rows 24 cols
[2023-03-08 19:46:56] [INFO ] Computed 8 place invariants in 1 ms
[2023-03-08 19:46:56] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-08 19:46:56] [INFO ] Invariant cache hit.
[2023-03-08 19:46:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:56] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
[2023-03-08 19:46:56] [INFO ] Invariant cache hit.
[2023-03-08 19:46:56] [INFO ] Dead Transitions using invariants and state equation in 53 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 134 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 141 ms :[(AND p1 p0), (AND p1 p0), (AND p1 p0)]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND p1 p0), acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p1:(OR (LT s8 1) (LT s9 1)), p0:(AND (GEQ s10 1) (GEQ s22 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 48 steps with 5 reset in 1 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-14 finished in 350 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0&&(p1||(X(p0)&&F(!p2))||X(G(p0)))))))'
Support contains 6 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 29/29 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 29/29 (removed 0) transitions.
[2023-03-08 19:46:56] [INFO ] Invariant cache hit.
[2023-03-08 19:46:56] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-08 19:46:56] [INFO ] Invariant cache hit.
[2023-03-08 19:46:56] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-08 19:46:56] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2023-03-08 19:46:56] [INFO ] Invariant cache hit.
[2023-03-08 19:46:56] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 137 ms. Remains : 24/24 places, 29/29 transitions.
Stuttering acceptance computed with spot in 336 ms :[(NOT p0), (NOT p0), (NOT p0), true, (NOT p0), (AND p2 (NOT p0)), p2]
Running random walk in product with property : CloudOpsManagement-PT-01280by00640-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 4}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=2 dest: 5}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}], [{ cond=(AND p0 p2), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p0) p2), acceptance={} source=5 dest: 6}], [{ cond=p2, acceptance={0} source=6 dest: 6}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s23 1)), p1:(AND (GEQ s11 1) (GEQ s12 1) (GEQ s22 1)), p2:(AND (GEQ s6 1) (GEQ s23 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA CloudOpsManagement-PT-01280by00640-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudOpsManagement-PT-01280by00640-LTLFireability-15 finished in 504 ms.
All properties solved by simple procedures.
Total runtime 6088 ms.
ITS solved all properties within timeout

BK_STOP 1678304818051

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

+ 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//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="CloudOpsManagement-PT-01280by00640"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is CloudOpsManagement-PT-01280by00640, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r071-smll-167814398100532"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudOpsManagement-PT-01280by00640.tgz
mv CloudOpsManagement-PT-01280by00640 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;