Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r241-tall-171649628000027.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool gold2023
Input is JoinFreeModules-PT-0050, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r241-tall-171649628000027
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 9.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 108K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K Apr 22 14:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 22 14:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 22 14:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.4K Apr 11 14:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 43K Apr 11 14:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 11 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Apr 11 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 152K May 18 16:42 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 JoinFreeModules-PT-0050-LTLCardinality-00
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-01
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-02
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-03
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-04
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-05
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-06
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-07
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-08
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-09
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-10
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-11
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-12
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-13
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-14
FORMULA_NAME JoinFreeModules-PT-0050-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716545267174

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=gold2023
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=JoinFreeModules-PT-0050
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202304061127
[2024-05-24 10:07:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-24 10:07:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 10:07:48] [INFO ] Load time of PNML (sax parser for PT used): 63 ms
[2024-05-24 10:07:48] [INFO ] Transformed 251 places.
[2024-05-24 10:07:48] [INFO ] Transformed 401 transitions.
[2024-05-24 10:07:48] [INFO ] Parsed PT model containing 251 places and 401 transitions and 1152 arcs in 128 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0050-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0050-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0050-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA JoinFreeModules-PT-0050-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 39 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 20 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
// Phase 1: matrix 401 rows 250 cols
[2024-05-24 10:07:49] [INFO ] Computed 50 invariants in 18 ms
[2024-05-24 10:07:49] [INFO ] Dead Transitions using invariants and state equation in 334 ms found 0 transitions.
[2024-05-24 10:07:49] [INFO ] Invariant cache hit.
[2024-05-24 10:07:49] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-24 10:07:49] [INFO ] Invariant cache hit.
[2024-05-24 10:07:49] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:49] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2024-05-24 10:07:49] [INFO ] Invariant cache hit.
[2024-05-24 10:07:49] [INFO ] Dead Transitions using invariants and state equation in 155 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 744 ms. Remains : 250/250 places, 401/401 transitions.
Support contains 39 out of 250 places after structural reductions.
[2024-05-24 10:07:50] [INFO ] Flatten gal took : 58 ms
[2024-05-24 10:07:50] [INFO ] Flatten gal took : 22 ms
[2024-05-24 10:07:50] [INFO ] Input system was already deterministic with 401 transitions.
Support contains 34 out of 250 places (down from 39) after GAL structural reductions.
Incomplete random walk after 10003 steps, including 2 resets, run finished after 178 ms. (steps per millisecond=56 ) properties (out of 19) seen :14
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2024-05-24 10:07:50] [INFO ] Invariant cache hit.
[2024-05-24 10:07:50] [INFO ] After 97ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2024-05-24 10:07:50] [INFO ] [Nat]Absence check using 50 positive place invariants in 22 ms returned sat
[2024-05-24 10:07:51] [INFO ] After 397ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2024-05-24 10:07:51] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:51] [INFO ] After 80ms SMT Verify possible using 50 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2024-05-24 10:07:51] [INFO ] After 161ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 82 ms.
[2024-05-24 10:07:51] [INFO ] After 761ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Finished Parikh walk after 289 steps, including 0 resets, run visited all 1 properties in 5 ms. (steps per millisecond=57 )
Parikh walk visited 3 properties in 31 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G(p1)||X(X(F(p2)))))'
Support contains 6 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 11 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:51] [INFO ] Invariant cache hit.
[2024-05-24 10:07:51] [INFO ] Dead Transitions using invariants and state equation in 206 ms found 0 transitions.
[2024-05-24 10:07:51] [INFO ] Invariant cache hit.
[2024-05-24 10:07:51] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-24 10:07:51] [INFO ] Invariant cache hit.
[2024-05-24 10:07:52] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:52] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 215 ms to find 0 implicit places.
[2024-05-24 10:07:52] [INFO ] Invariant cache hit.
[2024-05-24 10:07:52] [INFO ] Dead Transitions using invariants and state equation in 147 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 582 ms. Remains : 250/250 places, 401/401 transitions.
ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2Stuttering acceptance computed with spot in 300 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(LEQ s31 s69), p2:(LEQ s151 s8), p1:(LEQ s249 s79)], 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 1628 reset in 1242 ms.
Stack based approach found an accepted trace after 16506 steps with 270 reset with depth 60 and stack size 60 in 206 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-01 finished in 2388 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 36 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:54] [INFO ] Dead Transitions using invariants and state equation in 156 ms found 0 transitions.
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:54] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:54] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:54] [INFO ] Implicit Places using invariants and state equation in 153 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-24 10:07:54] [INFO ] Redundant transitions in 28 ms returned []
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:54] [INFO ] Dead Transitions using invariants and state equation in 161 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 586 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-02 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:(LEQ s206 s8)], 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 1 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-02 finished in 692 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0 U (G(p0)||(p0&&G(p1))))))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 20 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:54] [INFO ] Dead Transitions using invariants and state equation in 155 ms found 0 transitions.
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:54] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-24 10:07:54] [INFO ] Invariant cache hit.
[2024-05-24 10:07:55] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:55] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 188 ms to find 0 implicit places.
[2024-05-24 10:07:55] [INFO ] Redundant transitions in 7 ms returned []
[2024-05-24 10:07:55] [INFO ] Invariant cache hit.
[2024-05-24 10:07:55] [INFO ] Dead Transitions using invariants and state equation in 156 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 537 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 77 ms :[(NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(NOT p0), acceptance={0, 1} source=0 dest: 0}, { cond=(AND p1 p0), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=1 dest: 0}, { cond=(AND p1 p0), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={1} source=1 dest: 1}]], initial=0, aps=[p1:(LEQ 3 s18), p0:(GT s211 s197)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-03 finished in 631 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)||X(F((X(p1)||G(p2)))))))'
Support contains 6 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 17 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:55] [INFO ] Invariant cache hit.
[2024-05-24 10:07:55] [INFO ] Dead Transitions using invariants and state equation in 145 ms found 0 transitions.
[2024-05-24 10:07:55] [INFO ] Invariant cache hit.
[2024-05-24 10:07:55] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-24 10:07:55] [INFO ] Invariant cache hit.
[2024-05-24 10:07:55] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:55] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2024-05-24 10:07:55] [INFO ] Redundant transitions in 9 ms returned []
[2024-05-24 10:07:55] [INFO ] Invariant cache hit.
[2024-05-24 10:07:55] [INFO ] Dead Transitions using invariants and state equation in 158 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 534 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 224 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) p2 (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ s29 s180), p2:(LEQ s139 s13), p1:(LEQ s239 s69)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 250 reset in 1373 ms.
Stack based approach found an accepted trace after 3583 steps with 8 reset with depth 524 and stack size 523 in 54 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-04 finished in 2207 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0 U G((p1||X(F(p2)))))))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 8 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:57] [INFO ] Invariant cache hit.
[2024-05-24 10:07:57] [INFO ] Dead Transitions using invariants and state equation in 133 ms found 0 transitions.
[2024-05-24 10:07:57] [INFO ] Invariant cache hit.
[2024-05-24 10:07:57] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-24 10:07:57] [INFO ] Invariant cache hit.
[2024-05-24 10:07:57] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:57] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-24 10:07:57] [INFO ] Invariant cache hit.
[2024-05-24 10:07:58] [INFO ] Dead Transitions using invariants and state equation in 158 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 486 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 243 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p1) (NOT p2)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={} source=4 dest: 2}, { cond=(AND p1 p0 (NOT p2)), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=4 dest: 4}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=4 dest: 5}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=5 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(OR (LEQ s212 s105) (LEQ 1 s45)), p1:(LEQ s212 s105), p2:(GT 1 s45)], 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-06 finished in 758 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 11 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:58] [INFO ] Invariant cache hit.
[2024-05-24 10:07:58] [INFO ] Dead Transitions using invariants and state equation in 154 ms found 0 transitions.
[2024-05-24 10:07:58] [INFO ] Invariant cache hit.
[2024-05-24 10:07:58] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-24 10:07:58] [INFO ] Invariant cache hit.
[2024-05-24 10:07:58] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:58] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2024-05-24 10:07:58] [INFO ] Redundant transitions in 6 ms returned []
[2024-05-24 10:07:58] [INFO ] Invariant cache hit.
[2024-05-24 10:07:58] [INFO ] Dead Transitions using invariants and state equation in 145 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 508 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-07 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 (LEQ s127 s235) (LEQ s17 s74))], 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 0 steps with 0 reset in 1 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-07 finished in 558 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G(p0)))))'
Support contains 1 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 3 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:58] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] Dead Transitions using invariants and state equation in 168 ms found 0 transitions.
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:59] [INFO ] Implicit Places using invariants and state equation in 126 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 481 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 152 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-09 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:(GT 2 s75)], 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-09 finished in 646 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(p0)))'
Support contains 4 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 2 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] Dead Transitions using invariants and state equation in 138 ms found 0 transitions.
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:07:59] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-24 10:07:59] [INFO ] Invariant cache hit.
[2024-05-24 10:07:59] [INFO ] Dead Transitions using invariants and state equation in 131 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 440 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 131 ms :[(NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p0:(OR (GT s173 s136) (GT s30 s62))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-10 finished in 596 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((X(p0) U ((!p1&&X(p0))||X(G(p0)))))))'
Support contains 4 out of 250 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 9 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:00] [INFO ] Dead Transitions using invariants and state equation in 142 ms found 0 transitions.
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:00] [INFO ] Implicit Places using invariants in 42 ms returned []
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:00] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:08:00] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:00] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 467 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 154 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={} source=3 dest: 2}, { cond=(AND p1 p0), acceptance={} source=3 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(GT s171 s116), p1:(OR (LEQ 1 s53) (LEQ 1 s210))], 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-12 finished in 640 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 13 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:00] [INFO ] Dead Transitions using invariants and state equation in 129 ms found 0 transitions.
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:00] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-24 10:08:00] [INFO ] Invariant cache hit.
[2024-05-24 10:08:01] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:08:01] [INFO ] Implicit Places using invariants and state equation in 125 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-24 10:08:01] [INFO ] Redundant transitions in 2 ms returned []
[2024-05-24 10:08:01] [INFO ] Invariant cache hit.
[2024-05-24 10:08:01] [INFO ] Dead Transitions using invariants and state equation in 157 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 479 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT 2 s180)], 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-13 finished in 577 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 250 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 250/250 places, 401/401 transitions.
Applied a total of 0 rules in 12 ms. Remains 250 /250 variables (removed 0) and now considering 401/401 (removed 0) transitions.
[2024-05-24 10:08:01] [INFO ] Invariant cache hit.
[2024-05-24 10:08:01] [INFO ] Dead Transitions using invariants and state equation in 164 ms found 0 transitions.
[2024-05-24 10:08:01] [INFO ] Invariant cache hit.
[2024-05-24 10:08:01] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-24 10:08:01] [INFO ] Invariant cache hit.
[2024-05-24 10:08:01] [INFO ] State equation strengthened by 50 read => feed constraints.
[2024-05-24 10:08:01] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-24 10:08:01] [INFO ] Redundant transitions in 1 ms returned []
[2024-05-24 10:08:01] [INFO ] Invariant cache hit.
[2024-05-24 10:08:01] [INFO ] Dead Transitions using invariants and state equation in 140 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 525 ms. Remains : 250/250 places, 401/401 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : JoinFreeModules-PT-0050-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (LEQ s86 s167) (LEQ 1 s218))], 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]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA JoinFreeModules-PT-0050-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property JoinFreeModules-PT-0050-LTLCardinality-14 finished in 574 ms.
All properties solved by simple procedures.
Total runtime 13316 ms.

BK_STOP 1716545283243

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="JoinFreeModules-PT-0050"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="gold2023"
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 2-5568"
echo " Executing tool gold2023"
echo " Input is JoinFreeModules-PT-0050, 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 r241-tall-171649628000027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0050.tgz
mv JoinFreeModules-PT-0050 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 ;