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.r391-oct2-167903715000211.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is ShieldIIPt-PT-003A, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r391-oct2-167903715000211
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 460K
-rw-r--r-- 1 mcc users 7.5K Feb 25 17:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 25 17:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Feb 25 17:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 17:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:03 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 25 17:03 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 25 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 25 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 17K 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 ShieldIIPt-PT-003A-LTLCardinality-00
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-01
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-02
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-03
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-04
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-05
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-06
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-07
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-08
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-09
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-10
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-11
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-12
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-13
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-14
FORMULA_NAME ShieldIIPt-PT-003A-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1679269815870

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=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldIIPt-PT-003A
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 23:50:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 23:50:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 23:50:18] [INFO ] Load time of PNML (sax parser for PT used): 46 ms
[2023-03-19 23:50:18] [INFO ] Transformed 60 places.
[2023-03-19 23:50:18] [INFO ] Transformed 45 transitions.
[2023-03-19 23:50:18] [INFO ] Found NUPN structural information;
[2023-03-19 23:50:18] [INFO ] Parsed PT model containing 60 places and 45 transitions and 186 arcs in 126 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003A-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003A-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003A-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003A-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ShieldIIPt-PT-003A-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 31 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 14 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
// Phase 1: matrix 44 rows 60 cols
[2023-03-19 23:50:18] [INFO ] Computed 28 place invariants in 4 ms
[2023-03-19 23:50:19] [INFO ] Implicit Places using invariants in 388 ms returned []
[2023-03-19 23:50:19] [INFO ] Invariant cache hit.
[2023-03-19 23:50:19] [INFO ] Implicit Places using invariants and state equation in 224 ms returned []
Implicit Place search using SMT with State Equation took 656 ms to find 0 implicit places.
[2023-03-19 23:50:19] [INFO ] Invariant cache hit.
[2023-03-19 23:50:19] [INFO ] Dead Transitions using invariants and state equation in 119 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 793 ms. Remains : 60/60 places, 44/44 transitions.
Support contains 31 out of 60 places after structural reductions.
[2023-03-19 23:50:20] [INFO ] Flatten gal took : 68 ms
[2023-03-19 23:50:20] [INFO ] Flatten gal took : 18 ms
[2023-03-19 23:50:20] [INFO ] Input system was already deterministic with 44 transitions.
Finished random walk after 392 steps, including 0 resets, run visited all 20 properties in 30 ms. (steps per millisecond=13 )
FORMULA ShieldIIPt-PT-003A-LTLCardinality-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 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(p0)))'
Support contains 2 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 4 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2023-03-19 23:50:20] [INFO ] Invariant cache hit.
[2023-03-19 23:50:20] [INFO ] Implicit Places using invariants in 118 ms returned []
[2023-03-19 23:50:20] [INFO ] Invariant cache hit.
[2023-03-19 23:50:20] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 252 ms to find 0 implicit places.
[2023-03-19 23:50:20] [INFO ] Invariant cache hit.
[2023-03-19 23:50:20] [INFO ] Dead Transitions using invariants and state equation in 81 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 342 ms. Remains : 60/60 places, 44/44 transitions.
Stuttering acceptance computed with spot in 315 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-01 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 (EQ s19 0) (EQ s36 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 1 steps with 0 reset in 2 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-01 finished in 793 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(p1)&&p0)))'
Support contains 3 out of 60 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 60 transition count 43
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 59 transition count 43
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 58 transition count 42
Applied a total of 4 rules in 37 ms. Remains 58 /60 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 58 cols
[2023-03-19 23:50:21] [INFO ] Computed 28 place invariants in 2 ms
[2023-03-19 23:50:21] [INFO ] Implicit Places using invariants in 148 ms returned [50, 51]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 151 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 56/60 places, 42/44 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 56 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 55 transition count 41
Applied a total of 2 rules in 3 ms. Remains 55 /56 variables (removed 1) and now considering 41/42 (removed 1) transitions.
// Phase 1: matrix 41 rows 55 cols
[2023-03-19 23:50:21] [INFO ] Computed 26 place invariants in 2 ms
[2023-03-19 23:50:21] [INFO ] Implicit Places using invariants in 103 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 104 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 54/60 places, 41/44 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 53 transition count 40
Applied a total of 2 rules in 18 ms. Remains 53 /54 variables (removed 1) and now considering 40/41 (removed 1) transitions.
// Phase 1: matrix 40 rows 53 cols
[2023-03-19 23:50:21] [INFO ] Computed 25 place invariants in 1 ms
[2023-03-19 23:50:21] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-19 23:50:21] [INFO ] Invariant cache hit.
[2023-03-19 23:50:21] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 53/60 places, 40/44 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 514 ms. Remains : 53/60 places, 40/44 transitions.
Stuttering acceptance computed with spot in 169 ms :[(NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=1, aps=[p1:(EQ s3 1), p0:(AND (NEQ s30 0) (NEQ s42 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, null][true, true]]
Product exploration explored 100000 steps with 931 reset in 333 ms.
Stack based approach found an accepted trace after 79 steps with 0 reset with depth 80 and stack size 80 in 1 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-03 finished in 1051 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) U (p1 U X(X(X(p1)))))))'
Support contains 4 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
// Phase 1: matrix 44 rows 60 cols
[2023-03-19 23:50:22] [INFO ] Computed 28 place invariants in 1 ms
[2023-03-19 23:50:22] [INFO ] Implicit Places using invariants in 102 ms returned []
[2023-03-19 23:50:22] [INFO ] Invariant cache hit.
[2023-03-19 23:50:22] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
[2023-03-19 23:50:22] [INFO ] Invariant cache hit.
[2023-03-19 23:50:22] [INFO ] Dead Transitions using invariants and state equation in 268 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 556 ms. Remains : 60/60 places, 44/44 transitions.
Stuttering acceptance computed with spot in 1572 ms :[(NOT p1), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (NOT p1), true, (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1), (NOT p1), (NOT p1), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 4}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 5}], [{ cond=true, acceptance={} source=2 dest: 6}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 9}, { cond=p0, acceptance={} source=3 dest: 10}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 11}, { cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 12}], [{ cond=(NOT p0), acceptance={} source=4 dest: 6}, { cond=p0, acceptance={} source=4 dest: 13}], [{ cond=(NOT p1), acceptance={} source=5 dest: 9}, { cond=p1, acceptance={} source=5 dest: 12}], [{ cond=true, acceptance={} source=6 dest: 7}], [{ cond=(NOT p1), acceptance={} source=7 dest: 8}], [{ cond=true, acceptance={0} source=8 dest: 8}], [{ cond=true, acceptance={} source=9 dest: 14}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=10 dest: 15}, { cond=p0, acceptance={} source=10 dest: 16}, { cond=(AND (NOT p1) p0), acceptance={} source=10 dest: 17}, { cond=(AND p1 (NOT p0)), acceptance={} source=10 dest: 18}], [{ cond=(NOT p0), acceptance={} source=11 dest: 14}, { cond=p0, acceptance={} source=11 dest: 19}], [{ cond=(NOT p1), acceptance={} source=12 dest: 15}, { cond=p1, acceptance={} source=12 dest: 18}], [{ cond=(NOT p0), acceptance={} source=13 dest: 7}, { cond=p0, acceptance={} source=13 dest: 20}], [{ cond=(NOT p1), acceptance={} source=14 dest: 7}], [{ cond=(NOT p1), acceptance={} source=15 dest: 14}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=16 dest: 15}, { cond=(AND (NOT p1) p0), acceptance={0} source=16 dest: 16}, { cond=(AND (NOT p1) p0), acceptance={0} source=16 dest: 17}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=17 dest: 14}, { cond=(AND (NOT p1) p0), acceptance={} source=17 dest: 19}], [{ cond=(NOT p1), acceptance={} source=18 dest: 15}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=19 dest: 7}, { cond=(AND (NOT p1) p0), acceptance={} source=19 dest: 20}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=20 dest: 8}, { cond=(AND (NOT p1) p0), acceptance={} source=20 dest: 21}], [{ cond=(NOT p0), acceptance={} source=21 dest: 8}, { cond=p0, acceptance={} source=21 dest: 21}]], initial=0, aps=[p1:(OR (EQ s32 0) (EQ s47 1)), p0:(OR (EQ s11 0) (EQ s34 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, null, null, null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 132 steps with 12 reset in 3 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-06 finished in 2202 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)&&X((F(G(p1))&&G(p2)))))'
Support contains 3 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 3 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2023-03-19 23:50:24] [INFO ] Invariant cache hit.
[2023-03-19 23:50:24] [INFO ] Implicit Places using invariants in 120 ms returned []
[2023-03-19 23:50:24] [INFO ] Invariant cache hit.
[2023-03-19 23:50:25] [INFO ] Implicit Places using invariants and state equation in 358 ms returned []
Implicit Place search using SMT with State Equation took 491 ms to find 0 implicit places.
[2023-03-19 23:50:25] [INFO ] Invariant cache hit.
[2023-03-19 23:50:25] [INFO ] Dead Transitions using invariants and state equation in 123 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 619 ms. Remains : 60/60 places, 44/44 transitions.
Stuttering acceptance computed with spot in 233 ms :[(OR (NOT p2) (NOT p1) (NOT p0)), (NOT p0), (OR (NOT p2) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 2}, { cond=(NOT p2), acceptance={} source=2 dest: 3}, { cond=(AND p2 (NOT p1)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=p1, acceptance={} source=4 dest: 4}, { cond=(NOT p1), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(OR (EQ s40 0) (EQ s17 1)), p2:(EQ s47 1), p1:(AND (EQ s17 0) (EQ s40 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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-07 finished in 897 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 60 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 60 transition count 43
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 59 transition count 43
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 58 transition count 42
Applied a total of 4 rules in 11 ms. Remains 58 /60 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 58 cols
[2023-03-19 23:50:25] [INFO ] Computed 28 place invariants in 1 ms
[2023-03-19 23:50:25] [INFO ] Implicit Places using invariants in 75 ms returned [50, 51]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 76 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 56/60 places, 42/44 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 56 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 55 transition count 41
Applied a total of 2 rules in 7 ms. Remains 55 /56 variables (removed 1) and now considering 41/42 (removed 1) transitions.
// Phase 1: matrix 41 rows 55 cols
[2023-03-19 23:50:25] [INFO ] Computed 26 place invariants in 1 ms
[2023-03-19 23:50:25] [INFO ] Implicit Places using invariants in 93 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 97 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 54/60 places, 41/44 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 53 transition count 40
Applied a total of 2 rules in 4 ms. Remains 53 /54 variables (removed 1) and now considering 40/41 (removed 1) transitions.
// Phase 1: matrix 40 rows 53 cols
[2023-03-19 23:50:25] [INFO ] Computed 25 place invariants in 1 ms
[2023-03-19 23:50:25] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-19 23:50:25] [INFO ] Invariant cache hit.
[2023-03-19 23:50:26] [INFO ] Implicit Places using invariants and state equation in 289 ms returned []
Implicit Place search using SMT with State Equation took 371 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 53/60 places, 40/44 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 566 ms. Remains : 53/60 places, 40/44 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (EQ s41 0) (EQ s50 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 353 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-08 finished in 978 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)||G(p1)) U X(X(G(p0)))))'
Support contains 1 out of 60 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 60 transition count 43
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 59 transition count 43
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 58 transition count 42
Applied a total of 4 rules in 17 ms. Remains 58 /60 variables (removed 2) and now considering 42/44 (removed 2) transitions.
// Phase 1: matrix 42 rows 58 cols
[2023-03-19 23:50:26] [INFO ] Computed 28 place invariants in 1 ms
[2023-03-19 23:50:26] [INFO ] Implicit Places using invariants in 100 ms returned [50, 51]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 102 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 56/60 places, 42/44 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 56 transition count 41
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 55 transition count 41
Applied a total of 2 rules in 3 ms. Remains 55 /56 variables (removed 1) and now considering 41/42 (removed 1) transitions.
// Phase 1: matrix 41 rows 55 cols
[2023-03-19 23:50:26] [INFO ] Computed 26 place invariants in 0 ms
[2023-03-19 23:50:26] [INFO ] Implicit Places using invariants in 113 ms returned [44]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 127 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 54/60 places, 41/44 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 53 transition count 40
Applied a total of 2 rules in 3 ms. Remains 53 /54 variables (removed 1) and now considering 40/41 (removed 1) transitions.
// Phase 1: matrix 40 rows 53 cols
[2023-03-19 23:50:26] [INFO ] Computed 25 place invariants in 2 ms
[2023-03-19 23:50:26] [INFO ] Implicit Places using invariants in 97 ms returned []
[2023-03-19 23:50:26] [INFO ] Invariant cache hit.
[2023-03-19 23:50:26] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 207 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 53/60 places, 40/44 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 459 ms. Remains : 53/60 places, 40/44 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 181 ms.
Stack based approach found an accepted trace after 418 steps with 0 reset with depth 419 and stack size 414 in 2 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-09 finished in 765 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(G(p0)))||F(p1))))'
Support contains 3 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 1 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
// Phase 1: matrix 44 rows 60 cols
[2023-03-19 23:50:27] [INFO ] Computed 28 place invariants in 1 ms
[2023-03-19 23:50:27] [INFO ] Implicit Places using invariants in 113 ms returned []
[2023-03-19 23:50:27] [INFO ] Invariant cache hit.
[2023-03-19 23:50:27] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 328 ms to find 0 implicit places.
[2023-03-19 23:50:27] [INFO ] Invariant cache hit.
[2023-03-19 23:50:27] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 394 ms. Remains : 60/60 places, 44/44 transitions.
Stuttering acceptance computed with spot in 357 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}]], initial=1, aps=[p1:(AND (EQ s48 0) (EQ s30 1)), p0:(EQ s21 0)], 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]]
Product exploration explored 100000 steps with 165 reset in 204 ms.
Stack based approach found an accepted trace after 115 steps with 0 reset with depth 116 and stack size 116 in 0 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-11 finished in 972 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(p0) U p1)||X(p2)))'
Support contains 5 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 12 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2023-03-19 23:50:28] [INFO ] Invariant cache hit.
[2023-03-19 23:50:28] [INFO ] Implicit Places using invariants in 78 ms returned []
[2023-03-19 23:50:28] [INFO ] Invariant cache hit.
[2023-03-19 23:50:28] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 163 ms to find 0 implicit places.
[2023-03-19 23:50:28] [INFO ] Invariant cache hit.
[2023-03-19 23:50:28] [INFO ] Dead Transitions using invariants and state equation in 77 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 266 ms. Remains : 60/60 places, 44/44 transitions.
Stuttering acceptance computed with spot in 430 ms :[(NOT p0), true, (AND (NOT p1) (NOT p2)), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={} source=3 dest: 1}], [{ cond=(AND p1 p0 (NOT p2)), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=4 dest: 5}], [{ cond=(AND p1 p0), acceptance={0} source=5 dest: 0}, { cond=(NOT p0), acceptance={0} source=5 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0} source=5 dest: 5}]], initial=2, aps=[p0:(EQ s23 1), p1:(AND (EQ s23 1) (OR (EQ s22 0) (EQ s8 1))), p2:(OR (EQ s58 0) (EQ s9 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, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 239 ms.
Product exploration explored 100000 steps with 50000 reset in 184 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) p2), (X p2), (X (NOT (AND p1 p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) p0)))), true, (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p2)
Knowledge based reduction with 9 factoid took 265 ms. Reduced automaton from 6 states, 12 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldIIPt-PT-003A-LTLCardinality-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-12 finished in 1421 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(G(p0)))))'
Support contains 3 out of 60 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 60/60 places, 44/44 transitions.
Applied a total of 0 rules in 2 ms. Remains 60 /60 variables (removed 0) and now considering 44/44 (removed 0) transitions.
[2023-03-19 23:50:29] [INFO ] Invariant cache hit.
[2023-03-19 23:50:29] [INFO ] Implicit Places using invariants in 105 ms returned []
[2023-03-19 23:50:29] [INFO ] Invariant cache hit.
[2023-03-19 23:50:29] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 290 ms to find 0 implicit places.
[2023-03-19 23:50:29] [INFO ] Invariant cache hit.
[2023-03-19 23:50:30] [INFO ] Dead Transitions using invariants and state equation in 155 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 449 ms. Remains : 60/60 places, 44/44 transitions.
Stuttering acceptance computed with spot in 272 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldIIPt-PT-003A-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(AND (EQ s27 1) (OR (EQ s24 0) (EQ s55 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, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA ShieldIIPt-PT-003A-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldIIPt-PT-003A-LTLCardinality-14 finished in 745 ms.
All properties solved by simple procedures.
Total runtime 11780 ms.
ITS solved all properties within timeout

BK_STOP 1679269830684

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="ShieldIIPt-PT-003A"
export BK_EXAMINATION="LTLCardinality"
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 ShieldIIPt-PT-003A, 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 r391-oct2-167903715000211"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ShieldIIPt-PT-003A.tgz
mv ShieldIIPt-PT-003A 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 ;