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-171649628200133.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 LamportFastMutEx-COL-3, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r241-tall-171649628200133
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 8.6K Apr 13 07:42 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 13 07:42 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Apr 13 07:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 13 07:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 22 14:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 22 14:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 10K Apr 13 07:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 95K Apr 13 07:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 07:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 103K Apr 13 07:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Apr 22 14:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 2 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 39K 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 LamportFastMutEx-COL-3-LTLFireability-00
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-01
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-02
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-03
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-04
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-05
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-06
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-07
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-08
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-09
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-10
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-11
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-12
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-13
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-14
FORMULA_NAME LamportFastMutEx-COL-3-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716553096602

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=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=LamportFastMutEx-COL-3
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202304061127
[2024-05-24 12:18:18] [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]
[2024-05-24 12:18:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 12:18:18] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-05-24 12:18:18] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-05-24 12:18:18] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 458 ms
[2024-05-24 12:18:18] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 100 PT places and 192.0 transition bindings in 16 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
[2024-05-24 12:18:18] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 4 ms.
[2024-05-24 12:18:18] [INFO ] Skeletonized 14 HLPN properties in 1 ms. Removed 2 properties that had guard overlaps.
Initial state reduction rules removed 4 formulas.
FORMULA LamportFastMutEx-COL-3-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-LTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA LamportFastMutEx-COL-3-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 3 stabilizing places and 0 stable transitions
Remains 10 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Finished random walk after 91 steps, including 0 resets, run visited all 13 properties in 13 ms. (steps per millisecond=7 )
Parikh walk visited 0 properties in 0 ms.
[2024-05-24 12:18:18] [INFO ] Flatten gal took : 14 ms
[2024-05-24 12:18:18] [INFO ] Flatten gal took : 2 ms
Domain [pid(4), pid(4)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2024-05-24 12:18:18] [INFO ] Unfolded HLPN to a Petri net with 100 places and 156 transitions 664 arcs in 14 ms.
[2024-05-24 12:18:18] [INFO ] Unfolded 12 HLPN properties in 0 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 29 places in 1 ms
Reduce places removed 29 places and 42 transitions.
FORMULA LamportFastMutEx-COL-3-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 65 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 6 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:19] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 71 cols
[2024-05-24 12:18:19] [INFO ] Computed 17 invariants in 12 ms
[2024-05-24 12:18:19] [INFO ] Implicit Places using invariants in 138 ms returned []
[2024-05-24 12:18:19] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:19] [INFO ] Invariant cache hit.
[2024-05-24 12:18:19] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 12:18:19] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
[2024-05-24 12:18:19] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:19] [INFO ] Invariant cache hit.
[2024-05-24 12:18:19] [INFO ] Dead Transitions using invariants and state equation in 90 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 340 ms. Remains : 71/71 places, 114/114 transitions.
Support contains 65 out of 71 places after structural reductions.
[2024-05-24 12:18:19] [INFO ] Flatten gal took : 13 ms
[2024-05-24 12:18:19] [INFO ] Flatten gal took : 12 ms
[2024-05-24 12:18:19] [INFO ] Input system was already deterministic with 114 transitions.
Finished random walk after 21 steps, including 0 resets, run visited all 16 properties in 5 ms. (steps per millisecond=4 )
Parikh walk visited 0 properties in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 3 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' '!(X(G((p0||G(p1)))))'
Support contains 10 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:19] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:19] [INFO ] Invariant cache hit.
[2024-05-24 12:18:19] [INFO ] Implicit Places using invariants in 60 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 61 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 114/114 transitions.
Applied a total of 0 rules in 2 ms. Remains 68 /68 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 65 ms. Remains : 68/71 places, 114/114 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 359 ms :[true, (AND (NOT p1) (NOT p0)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=p0, acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(OR (AND (GEQ s4 1) (GEQ s19 1)) (AND (GEQ s6 1) (GEQ s17 1)) (AND (GEQ s6 1) (GEQ s18 1)) (AND (GEQ s4 1) (GEQ s17 1)) (AND (GEQ s6 1) (GEQ s19 1)) (A...], 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 9 steps with 0 reset in 2 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-03 finished in 475 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))))'
Support contains 18 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 7 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:20] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:20] [INFO ] Invariant cache hit.
[2024-05-24 12:18:20] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-24 12:18:20] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:20] [INFO ] Invariant cache hit.
[2024-05-24 12:18:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 12:18:20] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-24 12:18:20] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:20] [INFO ] Invariant cache hit.
[2024-05-24 12:18:20] [INFO ] Dead Transitions using invariants and state equation in 116 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 280 ms. Remains : 71/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 127 ms :[(NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(AND p1 p0), acceptance={} source=1 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 (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 2}, { cond=p1, acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(AND (NOT (OR (AND (GEQ s47 1) (GEQ s50 1) (GEQ s51 1) (GEQ s52 1)) (AND (GEQ s48 1) (GEQ s53 1) (GEQ s54 1) (GEQ s55 1)) (AND (GEQ s49 1) (GEQ s56 1) ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-05 finished in 425 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)&&F(G(p1)))))'
Support contains 19 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 16 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:20] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:20] [INFO ] Invariant cache hit.
[2024-05-24 12:18:20] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-05-24 12:18:20] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:20] [INFO ] Invariant cache hit.
[2024-05-24 12:18:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 12:18:20] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-24 12:18:20] [INFO ] Redundant transitions in 2 ms returned []
[2024-05-24 12:18:20] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:20] [INFO ] Invariant cache hit.
[2024-05-24 12:18:20] [INFO ] Dead Transitions using invariants and state equation in 52 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 239 ms. Remains : 71/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 109 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (AND (GEQ s13 1) (GEQ s42 1) (GEQ s48 1)) (AND (GEQ s15 1) (GEQ s40 1) (GEQ s47 1)) (AND (GEQ s11 1) (GEQ s44 1) (GEQ s49 1)) (AND (GEQ s15 1) (GEQ...], 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 0 reset in 263 ms.
Stack based approach found an accepted trace after 140 steps with 1 reset with depth 125 and stack size 125 in 1 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-07 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)))'
Support contains 9 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 68 transition count 111
Applied a total of 6 rules in 12 ms. Remains 68 /71 variables (removed 3) and now considering 111/114 (removed 3) transitions.
[2024-05-24 12:18:21] [INFO ] Flow matrix only has 93 transitions (discarded 18 similar events)
// Phase 1: matrix 93 rows 68 cols
[2024-05-24 12:18:21] [INFO ] Computed 17 invariants in 13 ms
[2024-05-24 12:18:21] [INFO ] Implicit Places using invariants in 72 ms returned [44, 45, 46]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 73 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/71 places, 111/114 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 65 transition count 108
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 62 transition count 108
Applied a total of 6 rules in 5 ms. Remains 62 /65 variables (removed 3) and now considering 108/111 (removed 3) transitions.
[2024-05-24 12:18:21] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 62 cols
[2024-05-24 12:18:21] [INFO ] Computed 14 invariants in 1 ms
[2024-05-24 12:18:21] [INFO ] Implicit Places using invariants in 97 ms returned []
[2024-05-24 12:18:21] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:21] [INFO ] Invariant cache hit.
[2024-05-24 12:18:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:21] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 62/71 places, 108/114 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 284 ms. Remains : 62/71 places, 108/114 transitions.
Stuttering acceptance computed with spot in 55 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-08 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:(AND (OR (LT s15 1) (LT s61 1)) (OR (LT s11 1) (LT s59 1)) (OR (LT s16 1) (LT s61 1)) (OR (LT s14 1) (LT s60 1)) (OR (LT s13 1) (LT s60 1)) (OR (LT s12...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 3493 reset in 199 ms.
Stack based approach found an accepted trace after 9262 steps with 334 reset with depth 34 and stack size 34 in 19 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-08 finished in 573 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((F(G(p0))&&(p0||X(p1)))))'
Support contains 21 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:21] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 71 cols
[2024-05-24 12:18:21] [INFO ] Computed 17 invariants in 0 ms
[2024-05-24 12:18:21] [INFO ] Implicit Places using invariants in 112 ms returned []
[2024-05-24 12:18:21] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:21] [INFO ] Invariant cache hit.
[2024-05-24 12:18:22] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 12:18:22] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
[2024-05-24 12:18:22] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:22] [INFO ] Invariant cache hit.
[2024-05-24 12:18:22] [INFO ] Dead Transitions using invariants and state equation in 55 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 245 ms. Remains : 71/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p1), true]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (OR (LT s12 1) (LT s20 1)) (OR (LT s11 1) (LT s20 1)) (OR (LT s13 1) (LT s21 1)) (OR (LT s15 1) (LT s22 1)) (OR (LT s14 1) (LT s21 1)) (OR (LT s16...], 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 180 ms.
Stack based approach found an accepted trace after 76 steps with 0 reset with depth 77 and stack size 77 in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-09 finished in 595 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' '!(((!p0 U G(p1))||F((G(p3)||p2))))'
Support contains 24 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 6 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:22] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:22] [INFO ] Invariant cache hit.
[2024-05-24 12:18:22] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-05-24 12:18:22] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:22] [INFO ] Invariant cache hit.
[2024-05-24 12:18:22] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 12:18:22] [INFO ] Implicit Places using invariants and state equation in 70 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
[2024-05-24 12:18:22] [INFO ] Redundant transitions in 1 ms returned []
[2024-05-24 12:18:22] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:22] [INFO ] Invariant cache hit.
[2024-05-24 12:18:22] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 210 ms. Remains : 71/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p1) (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3)), (AND (NOT p2) (NOT p3) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0) (NOT p2) p3), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0) (NOT p2) p3), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0) (NOT p2) (NOT p3)), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0) (NOT p2) (NOT p3)), acceptance={0, 1} source=0 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=0 dest: 1}, { cond=(AND p1 p0 (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p2) p3), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p3)), acceptance={0, 1} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 2}]], initial=0, aps=[p1:(OR (AND (GEQ s12 1) (GEQ s32 1)) (AND (GEQ s11 1) (GEQ s32 1)) (AND (GEQ s13 1) (GEQ s33 1)) (AND (GEQ s15 1) (GEQ s34 1)) (AND (GEQ s14 1) (GEQ s33 1...], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 5528 reset in 316 ms.
Stack based approach found an accepted trace after 1589 steps with 87 reset with depth 22 and stack size 22 in 5 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-10 finished in 655 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 7 out of 71 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 68 transition count 111
Applied a total of 6 rules in 10 ms. Remains 68 /71 variables (removed 3) and now considering 111/114 (removed 3) transitions.
[2024-05-24 12:18:23] [INFO ] Flow matrix only has 93 transitions (discarded 18 similar events)
// Phase 1: matrix 93 rows 68 cols
[2024-05-24 12:18:23] [INFO ] Computed 17 invariants in 1 ms
[2024-05-24 12:18:23] [INFO ] Implicit Places using invariants in 60 ms returned [44, 45, 46]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 61 ms to find 3 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 65/71 places, 111/114 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 65 transition count 108
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 62 transition count 108
Applied a total of 6 rules in 4 ms. Remains 62 /65 variables (removed 3) and now considering 108/111 (removed 3) transitions.
[2024-05-24 12:18:23] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 62 cols
[2024-05-24 12:18:23] [INFO ] Computed 14 invariants in 1 ms
[2024-05-24 12:18:23] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-05-24 12:18:23] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:23] [INFO ] Invariant cache hit.
[2024-05-24 12:18:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:23] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 62/71 places, 108/114 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 199 ms. Remains : 62/71 places, 108/114 transitions.
Stuttering acceptance computed with spot in 61 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-11 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:(OR (AND (GEQ s7 1) (GEQ s58 1)) (AND (GEQ s7 1) (GEQ s57 1)) (AND (GEQ s7 1) (GEQ s56 1)) (AND (GEQ s9 1) (GEQ s56 1)) (AND (GEQ s9 1) (GEQ s58 1)) (A...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 5830 reset in 160 ms.
Product exploration explored 100000 steps with 5838 reset in 168 ms.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Finished random walk after 12 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=6 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 111 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 63 ms :[(NOT p0), (NOT p0)]
[2024-05-24 12:18:24] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:24] [INFO ] Invariant cache hit.
[2024-05-24 12:18:24] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2024-05-24 12:18:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:24] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-24 12:18:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 12:18:24] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2024-05-24 12:18:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:24] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-24 12:18:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:24] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-24 12:18:24] [INFO ] Deduced a trap composed of 9 places in 66 ms of which 6 ms to minimize.
[2024-05-24 12:18:24] [INFO ] Deduced a trap composed of 7 places in 29 ms of which 1 ms to minimize.
[2024-05-24 12:18:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-24 12:18:24] [INFO ] Computed and/alt/rep : 78/267/78 causal constraints (skipped 9 transitions) in 9 ms.
[2024-05-24 12:18:24] [INFO ] Deduced a trap composed of 11 places in 61 ms of which 1 ms to minimize.
[2024-05-24 12:18:24] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 2 ms to minimize.
[2024-05-24 12:18:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-24 12:18:24] [INFO ] Added : 56 causal constraints over 13 iterations in 299 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 7 out of 62 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 62/62 places, 108/108 transitions.
Applied a total of 0 rules in 4 ms. Remains 62 /62 variables (removed 0) and now considering 108/108 (removed 0) transitions.
[2024-05-24 12:18:24] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:24] [INFO ] Invariant cache hit.
[2024-05-24 12:18:24] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-24 12:18:24] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:24] [INFO ] Invariant cache hit.
[2024-05-24 12:18:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:24] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2024-05-24 12:18:24] [INFO ] Redundant transitions in 2 ms returned []
[2024-05-24 12:18:24] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:24] [INFO ] Invariant cache hit.
[2024-05-24 12:18:24] [INFO ] Dead Transitions using invariants and state equation in 68 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 231 ms. Remains : 62/62 places, 108/108 transitions.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 190 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p0)]
Finished random walk after 18 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=6 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 90 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
[2024-05-24 12:18:25] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:25] [INFO ] Invariant cache hit.
[2024-05-24 12:18:25] [INFO ] [Real]Absence check using 14 positive place invariants in 2 ms returned sat
[2024-05-24 12:18:25] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:25] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-24 12:18:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 12:18:25] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2024-05-24 12:18:25] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:25] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-24 12:18:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:25] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-24 12:18:25] [INFO ] Deduced a trap composed of 9 places in 25 ms of which 1 ms to minimize.
[2024-05-24 12:18:25] [INFO ] Deduced a trap composed of 7 places in 15 ms of which 0 ms to minimize.
[2024-05-24 12:18:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 51 ms
[2024-05-24 12:18:25] [INFO ] Computed and/alt/rep : 78/267/78 causal constraints (skipped 9 transitions) in 6 ms.
[2024-05-24 12:18:25] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 0 ms to minimize.
[2024-05-24 12:18:25] [INFO ] Deduced a trap composed of 9 places in 29 ms of which 2 ms to minimize.
[2024-05-24 12:18:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 92 ms
[2024-05-24 12:18:25] [INFO ] Added : 56 causal constraints over 13 iterations in 214 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 5857 reset in 185 ms.
Product exploration explored 100000 steps with 5819 reset in 168 ms.
Built C files in :
/tmp/ltsmin10748489267147199933
[2024-05-24 12:18:26] [INFO ] Computing symmetric may disable matrix : 108 transitions.
[2024-05-24 12:18:26] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:18:26] [INFO ] Computing symmetric may enable matrix : 108 transitions.
[2024-05-24 12:18:26] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:18:26] [INFO ] Computing Do-Not-Accords matrix : 108 transitions.
[2024-05-24 12:18:26] [INFO ] Computation of Completed DNA matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:18:26] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10748489267147199933
Running compilation step : cd /tmp/ltsmin10748489267147199933;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 313 ms.
Running link step : cd /tmp/ltsmin10748489267147199933;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin10748489267147199933;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased10485085044748157618.hoa' '--buchi-type=spotba'
LTSmin run took 496 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-11 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-3-LTLFireability-11 finished in 4186 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(F(p0)))'
Support contains 7 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:27] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 71 cols
[2024-05-24 12:18:27] [INFO ] Computed 17 invariants in 1 ms
[2024-05-24 12:18:27] [INFO ] Implicit Places using invariants in 54 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 55 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 114/114 transitions.
Applied a total of 0 rules in 1 ms. Remains 68 /68 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 59 ms. Remains : 68/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 59 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-13 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 (AND (GEQ s7 1) (GEQ s64 1)) (AND (GEQ s7 1) (GEQ s63 1)) (AND (GEQ s7 1) (GEQ s62 1)) (AND (GEQ s9 1) (GEQ s62 1)) (AND (GEQ s9 1) (GEQ s64 1)) (A...], 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 5359 reset in 147 ms.
Product exploration explored 100000 steps with 5403 reset in 189 ms.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 3 factoid took 73 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Finished random walk after 20 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=10 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 94 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
[2024-05-24 12:18:28] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 68 cols
[2024-05-24 12:18:28] [INFO ] Computed 14 invariants in 1 ms
[2024-05-24 12:18:28] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2024-05-24 12:18:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:28] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-24 12:18:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 12:18:28] [INFO ] [Nat]Absence check using 14 positive place invariants in 4 ms returned sat
[2024-05-24 12:18:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:28] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-24 12:18:28] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:28] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-24 12:18:28] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 0 ms to minimize.
[2024-05-24 12:18:28] [INFO ] Deduced a trap composed of 9 places in 32 ms of which 0 ms to minimize.
[2024-05-24 12:18:28] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-05-24 12:18:28] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 0 ms to minimize.
[2024-05-24 12:18:28] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 0 ms to minimize.
[2024-05-24 12:18:28] [INFO ] Deduced a trap composed of 10 places in 27 ms of which 0 ms to minimize.
[2024-05-24 12:18:28] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 232 ms
[2024-05-24 12:18:28] [INFO ] Computed and/alt/rep : 93/294/87 causal constraints (skipped 6 transitions) in 6 ms.
[2024-05-24 12:18:28] [INFO ] Added : 69 causal constraints over 15 iterations in 143 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 7 out of 68 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 68/68 places, 114/114 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 68 transition count 111
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 65 transition count 111
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 62 transition count 108
Applied a total of 12 rules in 9 ms. Remains 62 /68 variables (removed 6) and now considering 108/114 (removed 6) transitions.
[2024-05-24 12:18:28] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
// Phase 1: matrix 90 rows 62 cols
[2024-05-24 12:18:28] [INFO ] Computed 14 invariants in 2 ms
[2024-05-24 12:18:28] [INFO ] Implicit Places using invariants in 48 ms returned []
[2024-05-24 12:18:28] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:28] [INFO ] Invariant cache hit.
[2024-05-24 12:18:28] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:28] [INFO ] Implicit Places using invariants and state equation in 69 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
[2024-05-24 12:18:28] [INFO ] Redundant transitions in 2 ms returned []
[2024-05-24 12:18:28] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:28] [INFO ] Invariant cache hit.
[2024-05-24 12:18:28] [INFO ] Dead Transitions using invariants and state equation in 54 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 62/68 places, 108/114 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 219 ms. Remains : 62/68 places, 108/114 transitions.
Computed a total of 1 stabilizing places and 3 stable transitions
Computed a total of 1 stabilizing places and 3 stable transitions
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 77 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Finished random walk after 6 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=6 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 82 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
[2024-05-24 12:18:29] [INFO ] Flow matrix only has 90 transitions (discarded 18 similar events)
[2024-05-24 12:18:29] [INFO ] Invariant cache hit.
[2024-05-24 12:18:29] [INFO ] [Real]Absence check using 14 positive place invariants in 3 ms returned sat
[2024-05-24 12:18:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:29] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-24 12:18:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 12:18:29] [INFO ] [Nat]Absence check using 14 positive place invariants in 3 ms returned sat
[2024-05-24 12:18:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2024-05-24 12:18:29] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-24 12:18:29] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-24 12:18:29] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 1 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 12 places in 30 ms of which 0 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 12 places in 21 ms of which 1 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 9 places in 21 ms of which 0 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 1 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 0 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 0 ms to minimize.
[2024-05-24 12:18:29] [INFO ] Trap strengthening (SAT) tested/added 8/7 trap constraints in 229 ms
[2024-05-24 12:18:29] [INFO ] Computed and/alt/rep : 78/267/78 causal constraints (skipped 9 transitions) in 5 ms.
[2024-05-24 12:18:29] [INFO ] Added : 36 causal constraints over 8 iterations in 79 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Product exploration explored 100000 steps with 5912 reset in 143 ms.
Product exploration explored 100000 steps with 5835 reset in 152 ms.
Built C files in :
/tmp/ltsmin5349799218400846711
[2024-05-24 12:18:29] [INFO ] Computing symmetric may disable matrix : 108 transitions.
[2024-05-24 12:18:29] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:18:29] [INFO ] Computing symmetric may enable matrix : 108 transitions.
[2024-05-24 12:18:29] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:18:29] [INFO ] Computing Do-Not-Accords matrix : 108 transitions.
[2024-05-24 12:18:29] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:18:29] [INFO ] Built C files in 17ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin5349799218400846711
Running compilation step : cd /tmp/ltsmin5349799218400846711;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 222 ms.
Running link step : cd /tmp/ltsmin5349799218400846711;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin5349799218400846711;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased11788169403948634399.hoa' '--buchi-type=spotba'
LTSmin run took 262 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-13 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property LamportFastMutEx-COL-3-LTLFireability-13 finished in 3162 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((G(p0) U (p1&&G(p0)))))'
Support contains 18 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 1 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:30] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
// Phase 1: matrix 96 rows 71 cols
[2024-05-24 12:18:30] [INFO ] Computed 17 invariants in 1 ms
[2024-05-24 12:18:30] [INFO ] Implicit Places using invariants in 58 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 60 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 114/114 transitions.
Applied a total of 0 rules in 1 ms. Remains 68 /68 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 62 ms. Remains : 68/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0), (OR (NOT p1) (NOT p0)), true, (OR (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(AND p1 p0), acceptance={0} source=3 dest: 0}, { cond=(NOT p0), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={0} source=3 dest: 3}]], initial=1, aps=[p0:(OR (NOT (OR (GEQ s35 1) (GEQ s37 1) (GEQ s36 1))) (AND (GEQ s8 1) (GEQ s23 1)) (AND (GEQ s8 1) (GEQ s24 1)) (AND (GEQ s9 1) (GEQ s23 1)) (AND (GEQ s10...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 45 steps with 0 reset in 0 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-14 finished in 206 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(F(p0))||G(p1)))'
Support contains 7 out of 71 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 71/71 places, 114/114 transitions.
Applied a total of 0 rules in 2 ms. Remains 71 /71 variables (removed 0) and now considering 114/114 (removed 0) transitions.
[2024-05-24 12:18:30] [INFO ] Flow matrix only has 96 transitions (discarded 18 similar events)
[2024-05-24 12:18:30] [INFO ] Invariant cache hit.
[2024-05-24 12:18:30] [INFO ] Implicit Places using invariants in 52 ms returned [47, 48, 49]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 53 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 68/71 places, 114/114 transitions.
Applied a total of 0 rules in 1 ms. Remains 68 /68 variables (removed 0) and now considering 114/114 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 56 ms. Remains : 68/71 places, 114/114 transitions.
Stuttering acceptance computed with spot in 106 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : LamportFastMutEx-COL-3-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (GEQ s35 1) (GEQ s37 1) (GEQ s36 1)), p1:(AND (OR (LT s7 1) (LT s61 1)) (OR (LT s7 1) (LT s60 1)) (OR (LT s7 1) (LT s59 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 6232 reset in 148 ms.
Stack based approach found an accepted trace after 3382 steps with 211 reset with depth 28 and stack size 28 in 7 ms.
FORMULA LamportFastMutEx-COL-3-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property LamportFastMutEx-COL-3-LTLFireability-15 finished in 331 ms.
All properties solved by simple procedures.
Total runtime 12781 ms.

BK_STOP 1716553112015

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /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="LamportFastMutEx-COL-3"
export BK_EXAMINATION="LTLFireability"
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 LamportFastMutEx-COL-3, 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 r241-tall-171649628200133"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-3.tgz
mv LamportFastMutEx-COL-3 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 ;