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.r453-smll-167912644900012.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)
.....................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is SmallOperatingSystem-PT-MT0032DC0008, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r453-smll-167912644900012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 11K Feb 25 12:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Feb 25 12:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 25 12:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 25 12:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.7K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 17:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 17:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Feb 25 17:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Feb 25 12:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 101K Feb 25 12:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Feb 25 17:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 8.2K 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 SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-00
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-01
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-02
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-03
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-04
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-05
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-06
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-07
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-08
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-09
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-10
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-11
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-12
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-13
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-14
FORMULA_NAME SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679172187771

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=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SmallOperatingSystem-PT-MT0032DC0008
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-18 20:43:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-18 20:43:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-18 20:43:11] [INFO ] Load time of PNML (sax parser for PT used): 43 ms
[2023-03-18 20:43:11] [INFO ] Transformed 9 places.
[2023-03-18 20:43:11] [INFO ] Transformed 8 transitions.
[2023-03-18 20:43:11] [INFO ] Parsed PT model containing 9 places and 8 transitions and 27 arcs in 188 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 2 formulas.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 9 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 18 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-18 20:43:12] [INFO ] Computed 4 place invariants in 6 ms
[2023-03-18 20:43:12] [INFO ] Implicit Places using invariants in 216 ms returned []
[2023-03-18 20:43:12] [INFO ] Invariant cache hit.
[2023-03-18 20:43:12] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 340 ms to find 0 implicit places.
[2023-03-18 20:43:12] [INFO ] Invariant cache hit.
[2023-03-18 20:43:12] [INFO ] Dead Transitions using invariants and state equation in 52 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 414 ms. Remains : 9/9 places, 8/8 transitions.
Support contains 9 out of 9 places after structural reductions.
[2023-03-18 20:43:12] [INFO ] Flatten gal took : 28 ms
[2023-03-18 20:43:12] [INFO ] Flatten gal took : 7 ms
[2023-03-18 20:43:12] [INFO ] Input system was already deterministic with 8 transitions.
Finished random walk after 301 steps, including 0 resets, run visited all 11 properties in 42 ms. (steps per millisecond=7 )
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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' '!(X((G((F(G(p0))&&F(p1)))||G(p2))))'
Support contains 5 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-18 20:43:13] [INFO ] Invariant cache hit.
[2023-03-18 20:43:13] [INFO ] Implicit Places using invariants in 44 ms returned []
[2023-03-18 20:43:13] [INFO ] Invariant cache hit.
[2023-03-18 20:43:13] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2023-03-18 20:43:13] [INFO ] Invariant cache hit.
[2023-03-18 20:43:13] [INFO ] Dead Transitions using invariants and state equation in 54 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 155 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 548 ms :[(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p2, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 3}, { cond=(NOT p2), acceptance={} source=1 dest: 4}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 2}, { cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=true, acceptance={} source=4 dest: 4}]], initial=0, aps=[p2:(GEQ s3 1), p0:(LT s8 1), p1:(OR (LT s3 1) (LT s0 1) (LT s2 1) (LT s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 495 ms.
Stack based approach found an accepted trace after 23 steps with 0 reset with depth 24 and stack size 23 in 2 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-04 finished in 1330 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)))'
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 6
Reduce places removed 3 places and 0 transitions.
Graph (trivial) has 3 edges and 5 vertex of which 2 / 5 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Iterating post reduction 1 with 4 rules applied. Total rules applied 6 place count 4 transition count 6
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 7 place count 4 transition count 5
Applied a total of 7 rules in 15 ms. Remains 4 /9 variables (removed 5) and now considering 5/8 (removed 3) transitions.
// Phase 1: matrix 5 rows 4 cols
[2023-03-18 20:43:14] [INFO ] Computed 2 place invariants in 0 ms
[2023-03-18 20:43:14] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-18 20:43:14] [INFO ] Invariant cache hit.
[2023-03-18 20:43:14] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2023-03-18 20:43:14] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 20:43:14] [INFO ] Invariant cache hit.
[2023-03-18 20:43:14] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 5/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 133 ms. Remains : 4/9 places, 5/8 transitions.
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-05 finished in 261 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 U ((G(!p2)||X(F(p3)))&&p1))))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Applied a total of 1 rules in 1 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2023-03-18 20:43:14] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-18 20:43:14] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-18 20:43:14] [INFO ] Invariant cache hit.
[2023-03-18 20:43:15] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 94 ms to find 0 implicit places.
[2023-03-18 20:43:15] [INFO ] Invariant cache hit.
[2023-03-18 20:43:15] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 142 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 425 ms :[(OR (NOT p1) (AND p2 (NOT p3))), (OR (NOT p1) (AND p2 (NOT p3))), true, (NOT p3), (AND (NOT p3) p2), (AND p2 (NOT p3)), (OR (AND (NOT p1) (NOT p3)) (AND p2 (NOT p3)))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND p1 p2 (NOT p0)), acceptance={} source=1 dest: 3}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=1 dest: 4}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=1 dest: 5}, { cond=(AND p1 p2 p0), acceptance={} source=1 dest: 6}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p3), acceptance={0} source=3 dest: 3}], [{ cond=(AND p2 (NOT p3)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p2) (NOT p3)), acceptance={} source=4 dest: 4}], [{ cond=(AND p2 (NOT p0) (NOT p3)), acceptance={} source=5 dest: 3}, { cond=(AND (NOT p2) (NOT p0) (NOT p3)), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p2) p0 (NOT p3)), acceptance={} source=5 dest: 5}, { cond=(AND p2 p0 (NOT p3)), acceptance={0} source=5 dest: 6}], [{ cond=(OR (AND (NOT p1) (NOT p0) (NOT p3)) (AND p2 (NOT p0) (NOT p3))), acceptance={} source=6 dest: 3}, { cond=(AND p1 (NOT p2) (NOT p0) (NOT p3)), acceptance={} source=6 dest: 4}, { cond=(AND p1 (NOT p2) p0 (NOT p3)), acceptance={} source=6 dest: 5}, { cond=(OR (AND (NOT p1) p0 (NOT p3)) (AND p2 p0 (NOT p3))), acceptance={0} source=6 dest: 6}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s5 1)), p0:(GEQ s3 1), p2:(OR (LT s3 1) (LT s5 1)), p3:(LT s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-06 finished in 604 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)))'
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
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 7
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 7
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 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 5 place count 5 transition count 6
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
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 7 place count 4 transition count 6
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 9 place count 4 transition count 4
Applied a total of 9 rules in 6 ms. Remains 4 /9 variables (removed 5) and now considering 4/8 (removed 4) transitions.
// Phase 1: matrix 4 rows 4 cols
[2023-03-18 20:43:15] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-18 20:43:15] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-18 20:43:15] [INFO ] Invariant cache hit.
[2023-03-18 20:43:15] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-18 20:43:15] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
[2023-03-18 20:43:15] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 20:43:15] [INFO ] Invariant cache hit.
[2023-03-18 20:43:15] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 4/9 places, 4/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 119 ms. Remains : 4/9 places, 4/8 transitions.
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LT s3 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 6 steps with 1 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-07 finished in 254 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)))'
Support contains 2 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2 place count 7 transition count 7
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 7 transition count 7
Applied a total of 3 rules in 5 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-18 20:43:15] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-18 20:43:15] [INFO ] Implicit Places using invariants in 50 ms returned []
[2023-03-18 20:43:15] [INFO ] Invariant cache hit.
[2023-03-18 20:43:15] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2023-03-18 20:43:15] [INFO ] Invariant cache hit.
[2023-03-18 20:43:15] [INFO ] Dead Transitions using invariants and state equation in 71 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 179 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s3 1) (LT s5 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][false, false]]
Product exploration explored 100000 steps with 50000 reset in 271 ms.
Product exploration explored 100000 steps with 50000 reset in 283 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [p0, (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 2 factoid took 227 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-10 finished in 1125 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)))'
Support contains 1 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 8
Applied a total of 1 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 8 cols
[2023-03-18 20:43:16] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-18 20:43:16] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-18 20:43:16] [INFO ] Invariant cache hit.
[2023-03-18 20:43:16] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2023-03-18 20:43:16] [INFO ] Invariant cache hit.
[2023-03-18 20:43:16] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 8/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 120 ms. Remains : 8/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LT s7 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][false, false]]
Product exploration explored 100000 steps with 2788 reset in 144 ms.
Stack based approach found an accepted trace after 21 steps with 1 reset with depth 19 and stack size 19 in 0 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-11 finished in 359 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(G(p0)))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-18 20:43:17] [INFO ] Computed 4 place invariants in 0 ms
[2023-03-18 20:43:17] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-18 20:43:17] [INFO ] Invariant cache hit.
[2023-03-18 20:43:17] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-18 20:43:17] [INFO ] Invariant cache hit.
[2023-03-18 20:43:17] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 97 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 135 steps with 0 reset in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-12 finished in 222 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 U X(X(G(!p1)))) U (X(F(!p3))&&p2)))'
Support contains 7 out of 9 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 8/8 (removed 0) transitions.
// Phase 1: matrix 8 rows 9 cols
[2023-03-18 20:43:17] [INFO ] Computed 4 place invariants in 2 ms
[2023-03-18 20:43:17] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-18 20:43:17] [INFO ] Invariant cache hit.
[2023-03-18 20:43:17] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
[2023-03-18 20:43:17] [INFO ] Invariant cache hit.
[2023-03-18 20:43:17] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101 ms. Remains : 9/9 places, 8/8 transitions.
Stuttering acceptance computed with spot in 230 ms :[(OR (NOT p2) p3), p1, p3, p1, true, p1]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(NOT p2), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=p2, acceptance={} source=0 dest: 2}, { cond=(AND (NOT p2) p0), acceptance={} source=0 dest: 5}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=p3, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 3}, { cond=p1, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p0), acceptance={} source=5 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 5}, { cond=(AND p0 p1), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p2:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1)), p0:(GEQ s7 1), p3:(LT s8 1), p1:(OR (LT s4 1) (LT s6 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 78 ms.
Product exploration explored 100000 steps with 50000 reset in 123 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) p3 p1), (X (NOT p3)), (X (NOT p0)), (X p2), (X (NOT (AND (NOT p2) (NOT p0)))), (X (NOT (AND p0 p1))), (X (NOT (AND (NOT p2) p0))), (X (NOT (AND p0 (NOT p1)))), true, (X (X (NOT p0))), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p0))))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p0 (NOT p1)))))]
False Knowledge obtained : [(X (X p3)), (X (X (NOT p3))), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge :(X (NOT p3))
Knowledge based reduction with 15 factoid took 446 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-13 finished in 1007 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(p0))'
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Ensure Unique test removed 1 places
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 7 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 7 transition count 7
Applied a total of 2 rules in 2 ms. Remains 7 /9 variables (removed 2) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 7 cols
[2023-03-18 20:43:18] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-18 20:43:18] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-18 20:43:18] [INFO ] Invariant cache hit.
[2023-03-18 20:43:18] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2023-03-18 20:43:18] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 20:43:18] [INFO ] Invariant cache hit.
[2023-03-18 20:43:18] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 133 ms. Remains : 7/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s6 1) (OR (LT s3 1) (LT s5 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 9117 reset in 114 ms.
Stack based approach found an accepted trace after 10 steps with 1 reset with depth 7 and stack size 7 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-14 finished in 315 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(F(p1))||G(p2))))'
Support contains 6 out of 9 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 9/9 places, 8/8 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 8 transition count 7
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 8 transition count 7
Applied a total of 2 rules in 2 ms. Remains 8 /9 variables (removed 1) and now considering 7/8 (removed 1) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-18 20:43:18] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-18 20:43:18] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-18 20:43:18] [INFO ] Invariant cache hit.
[2023-03-18 20:43:18] [INFO ] Implicit Places using invariants and state equation in 33 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
[2023-03-18 20:43:18] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-18 20:43:18] [INFO ] Invariant cache hit.
[2023-03-18 20:43:18] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/9 places, 7/8 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 119 ms. Remains : 8/9 places, 7/8 transitions.
Stuttering acceptance computed with spot in 118 ms :[(AND p0 (NOT p1) (NOT p2)), (AND p0 (NOT p1) (NOT p2))]
Running random walk in product with property : SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (AND p0 (NOT p1)) (AND (NOT p1) (NOT p2))), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1) p2), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={1} source=1 dest: 1}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={0, 1} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1) (GEQ s2 1)), p1:(OR (LT s0 1) (LT s2 1) (LT s5 1)), p2:(OR (LT s4 1) (LT s6 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 5188 reset in 242 ms.
Stack based approach found an accepted trace after 188 steps with 8 reset with depth 36 and stack size 30 in 1 ms.
FORMULA SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property SmallOperatingSystem-PT-MT0032DC0008-LTLFireability-15 finished in 507 ms.
All properties solved by simple procedures.
Total runtime 7772 ms.

BK_STOP 1679172200988

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -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="SmallOperatingSystem-PT-MT0032DC0008"
export BK_EXAMINATION="LTLFireability"
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 SmallOperatingSystem-PT-MT0032DC0008, 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 r453-smll-167912644900012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0032DC0008.tgz
mv SmallOperatingSystem-PT-MT0032DC0008 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 ;