fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r327-tall-167889199600404
Last Updated
May 14, 2023

About the Execution of LoLa+red for Referendum-COL-0010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
486.420 8080.00 13596.00 346.80 TTTFFFTFFTFFTFTF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r327-tall-167889199600404.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is Referendum-COL-0010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889199600404
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 416K
-rw-r--r-- 1 mcc users 5.9K Feb 26 17:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 26 17:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Feb 26 17:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Feb 26 17:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Feb 26 17:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Feb 26 17:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 17:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K Feb 26 17:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_pt
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.5K Mar 5 18:23 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Referendum-COL-0010-LTLFireability-00
FORMULA_NAME Referendum-COL-0010-LTLFireability-01
FORMULA_NAME Referendum-COL-0010-LTLFireability-02
FORMULA_NAME Referendum-COL-0010-LTLFireability-03
FORMULA_NAME Referendum-COL-0010-LTLFireability-04
FORMULA_NAME Referendum-COL-0010-LTLFireability-05
FORMULA_NAME Referendum-COL-0010-LTLFireability-06
FORMULA_NAME Referendum-COL-0010-LTLFireability-07
FORMULA_NAME Referendum-COL-0010-LTLFireability-08
FORMULA_NAME Referendum-COL-0010-LTLFireability-09
FORMULA_NAME Referendum-COL-0010-LTLFireability-10
FORMULA_NAME Referendum-COL-0010-LTLFireability-11
FORMULA_NAME Referendum-COL-0010-LTLFireability-12
FORMULA_NAME Referendum-COL-0010-LTLFireability-13
FORMULA_NAME Referendum-COL-0010-LTLFireability-14
FORMULA_NAME Referendum-COL-0010-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679048836069

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Referendum-COL-0010
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 10:27:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 10:27:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 10:27:17] [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.
[2023-03-17 10:27:17] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-17 10:27:18] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 589 ms
[2023-03-17 10:27:18] [INFO ] Imported 4 HL places and 3 HL transitions for a total of 31 PT places and 21.0 transition bindings in 10 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
[2023-03-17 10:27:18] [INFO ] Built PT skeleton of HLPN with 4 places and 3 transitions 6 arcs in 4 ms.
[2023-03-17 10:27:18] [INFO ] Skeletonized 16 HLPN properties in 2 ms.
Initial state reduction rules removed 2 formulas.
FORMULA Referendum-COL-0010-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Referendum-COL-0010-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Remains 7 properties that can be checked using skeleton over-approximation.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Finished random walk after 1 steps, including 0 resets, run visited all 2 properties in 5 ms. (steps per millisecond=0 )
[2023-03-17 10:27:18] [INFO ] Flatten gal took : 12 ms
[2023-03-17 10:27:18] [INFO ] Flatten gal took : 1 ms
Symmetric sort wr.t. initial and guards and successors and join/free detected :Voters
Arc [3:1*[0]] contains constants of sort Voters
Arc [3:1*[1]] contains constants of sort Voters
Arc [3:1*[2]] contains constants of sort Voters
Arc [3:1*[3]] contains constants of sort Voters
Arc [3:1*[4]] contains constants of sort Voters
Arc [3:1*[5]] contains constants of sort Voters
Arc [3:1*[6]] contains constants of sort Voters
Arc [3:1*[7]] contains constants of sort Voters
Arc [3:1*[8]] contains constants of sort Voters
Arc [3:1*[9]] contains constants of sort Voters
Transition start : constants on arcs in [[3:1*[0]], [3:1*[1]], [3:1*[2]], [3:1*[3]], [3:1*[4]], [3:1*[5]], [3:1*[6]], [3:1*[7]], [3:1*[8]], [3:1*[9]]] introduces in Voters(10) partition with 1 elements that refines current partition to 1 subsets.
Symmetric sort wr.t. initial detected :Voters
Symmetric sort wr.t. initial and guards detected :Voters
Applying symmetric unfolding of full symmetric sort :Voters domain size was 10
[2023-03-17 10:27:18] [INFO ] Unfolded HLPN to a Petri net with 4 places and 3 transitions 6 arcs in 14 ms.
[2023-03-17 10:27:18] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
FORMULA Referendum-COL-0010-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 2 out of 4 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4/4 places, 3/3 transitions.
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 2 transition count 2
Applied a total of 3 rules in 6 ms. Remains 2 /4 variables (removed 2) and now considering 2/3 (removed 1) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-17 10:27:18] [INFO ] Computed 0 place invariants in 4 ms
[2023-03-17 10:27:18] [INFO ] Implicit Places using invariants in 84 ms returned []
[2023-03-17 10:27:18] [INFO ] Invariant cache hit.
[2023-03-17 10:27:18] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
[2023-03-17 10:27:18] [INFO ] Invariant cache hit.
[2023-03-17 10:27:18] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 2/4 places, 2/3 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 179 ms. Remains : 2/4 places, 2/3 transitions.
Support contains 2 out of 2 places after structural reductions.
[2023-03-17 10:27:18] [INFO ] Flatten gal took : 2 ms
[2023-03-17 10:27:18] [INFO ] Flatten gal took : 1 ms
[2023-03-17 10:27:18] [INFO ] Input system was already deterministic with 2 transitions.
Incomplete random walk after 10009 steps, including 769 resets, run finished after 84 ms. (steps per millisecond=119 ) properties (out of 5) seen :3
Incomplete Best-First random walk after 10009 steps, including 769 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10009 steps, including 769 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-17 10:27:18] [INFO ] Invariant cache hit.
[2023-03-17 10:27:18] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA Referendum-COL-0010-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 12 simplifications.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
FORMULA Referendum-COL-0010-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 2 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:19] [INFO ] Invariant cache hit.
[2023-03-17 10:27:19] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-17 10:27:19] [INFO ] Invariant cache hit.
[2023-03-17 10:27:19] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-17 10:27:19] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:19] [INFO ] Invariant cache hit.
[2023-03-17 10:27:19] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 145 ms :[(NOT p0)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 50000 reset in 147 ms.
Product exploration explored 100000 steps with 50000 reset in 94 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 4 factoid took 88 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-00 finished in 782 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(((F(p1) U !p0) U (p0&&(F(p1) U !p0)))))))'
Support contains 2 out of 2 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:19] [INFO ] Invariant cache hit.
[2023-03-17 10:27:19] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-17 10:27:19] [INFO ] Invariant cache hit.
[2023-03-17 10:27:19] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-17 10:27:19] [INFO ] Invariant cache hit.
[2023-03-17 10:27:19] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 197 ms :[(NOT p0), (NOT p0), true, (NOT p1), p0]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 3}, { cond=p0, acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={} source=3 dest: 3}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 3}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(LT s0 1), p1:(GEQ s1 1)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 82 ms.
Product exploration explored 100000 steps with 50000 reset in 88 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X p0), (X (X p0)), (X (X (NOT (AND p0 (NOT p1))))), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 6 factoid took 103 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-01 finished in 579 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2023-03-17 10:27:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 75 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 50000 reset in 53 ms.
Product exploration explored 100000 steps with 50000 reset in 52 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 4 factoid took 72 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-02 finished in 329 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-17 10:27:20] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 65 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 91 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-03 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 (GEQ s1 1) (GEQ s0 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 0 ms.
FORMULA Referendum-COL-0010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0010-LTLFireability-03 finished in 170 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-17 10:27:20] [INFO ] Invariant cache hit.
[2023-03-17 10:27:20] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 68 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 124 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-04 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: 2}]], initial=3, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 11 steps with 0 reset in 0 ms.
FORMULA Referendum-COL-0010-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0010-LTLFireability-04 finished in 204 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Implicit Places using invariants and state equation in 16 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
[2023-03-17 10:27:21] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 63 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 33 ms :[p0]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 8333 reset in 73 ms.
Product exploration explored 100000 steps with 8333 reset in 82 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(F (G (NOT p0)))
Knowledge based reduction with 4 factoid took 111 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-06 finished in 410 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Implicit Places using invariants in 15 ms returned []
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 32 ms to find 0 implicit places.
[2023-03-17 10:27:21] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 58 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-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:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 0 ms.
FORMULA Referendum-COL-0010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0010-LTLFireability-07 finished in 109 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(X(X(G(!p1))))))'
Support contains 2 out of 2 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Implicit Places using invariants in 18 ms returned []
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Implicit Places using invariants and state equation in 14 ms returned []
Implicit Place search using SMT with State Equation took 34 ms to find 0 implicit places.
[2023-03-17 10:27:21] [INFO ] Invariant cache hit.
[2023-03-17 10:27:21] [INFO ] Dead Transitions using invariants and state equation in 14 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 50 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(LT s0 1), p1:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 45 ms.
Product exploration explored 100000 steps with 50000 reset in 42 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X p0), (X (X p0)), (F (G p0)), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 5 factoid took 70 ms. Reduced automaton from 5 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-09 finished in 451 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(!p0)))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Implicit Places using invariants in 14 ms returned []
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2023-03-17 10:27:22] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 61 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 28 ms :[p0]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 8333 reset in 44 ms.
Product exploration explored 100000 steps with 8333 reset in 158 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(F (G (NOT p0)))
Knowledge based reduction with 4 factoid took 103 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-12 finished in 429 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 1 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Implicit Places using invariants in 13 ms returned []
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
[2023-03-17 10:27:22] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Dead Transitions using invariants and state equation in 13 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 55 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 67 ms :[p0, p0]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 8333 reset in 43 ms.
Product exploration explored 100000 steps with 8333 reset in 46 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(F (G (NOT p0)))
Knowledge based reduction with 4 factoid took 103 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA Referendum-COL-0010-LTLFireability-14 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Referendum-COL-0010-LTLFireability-14 finished in 342 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 2 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 2/2 places, 2/2 transitions.
Applied a total of 0 rules in 0 ms. Remains 2 /2 variables (removed 0) and now considering 2/2 (removed 0) transitions.
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-17 10:27:22] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 10:27:22] [INFO ] Invariant cache hit.
[2023-03-17 10:27:22] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 80 ms. Remains : 2/2 places, 2/2 transitions.
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Running random walk in product with property : Referendum-COL-0010-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s1 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 11 steps with 0 reset in 0 ms.
FORMULA Referendum-COL-0010-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Referendum-COL-0010-LTLFireability-15 finished in 130 ms.
All properties solved by simple procedures.
Total runtime 5422 ms.
ITS solved all properties within timeout

BK_STOP 1679048844149

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Referendum-COL-0010"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is Referendum-COL-0010, 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 r327-tall-167889199600404"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Referendum-COL-0010.tgz
mv Referendum-COL-0010 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 ;