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.r103-tall-167814478900870.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is DLCshifumi-PT-6b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r103-tall-167814478900870
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 17M
-rw-r--r-- 1 mcc users 6.6K Feb 26 08:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 26 08:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Feb 26 08:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 08:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.0K Feb 26 08:12 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K Feb 26 08:12 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 08:12 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 08:12 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 17M Mar 5 18:22 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 DLCshifumi-PT-6b-ReachabilityCardinality-00
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-01
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-02
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-03
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-04
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-05
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-06
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-07
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-08
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-09
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-10
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-11
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-12
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-13
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-14
FORMULA_NAME DLCshifumi-PT-6b-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1678285385019

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=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DLCshifumi-PT-6b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-08 14:23:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -timeout, 360, -rebuildPNML]
[2023-03-08 14:23:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-08 14:23:07] [INFO ] Load time of PNML (sax parser for PT used): 973 ms
[2023-03-08 14:23:08] [INFO ] Transformed 44243 places.
[2023-03-08 14:23:08] [INFO ] Transformed 66611 transitions.
[2023-03-08 14:23:08] [INFO ] Found NUPN structural information;
[2023-03-08 14:23:10] [INFO ] Parsed PT model containing 44243 places and 66611 transitions and 182532 arcs in 4093 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 48 ms.
Working with output stream class java.io.PrintStream
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Incomplete random walk after 10000 steps, including 2 resets, run finished after 748 ms. (steps per millisecond=13 ) properties (out of 15) seen :1
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 69 ms. (steps per millisecond=144 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=192 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 14) seen :0
Interrupted probabilistic random walk after 92557 steps, run timeout after 3001 ms. (steps per millisecond=30 ) properties seen :{}
Probabilistic random walk after 92557 steps, saw 91867 distinct states, run finished after 3003 ms. (steps per millisecond=30 ) properties seen :0
Running SMT prover for 14 properties.
// Phase 1: matrix 66611 rows 44243 cols
[2023-03-08 14:23:23] [INFO ] Computed 2415 place invariants in 431 ms
[2023-03-08 14:23:48] [INFO ] [Real]Absence check using 2415 positive place invariants in 3900 ms returned unknown
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMTIncremental(DeadlockTester.java:339)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:902)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-08 14:23:48] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-08 14:23:48] [INFO ] After 25174ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 14 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 118 out of 44243 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 44243/44243 places, 66611/66611 transitions.
Graph (trivial) has 40537 edges and 44243 vertex of which 3167 / 44243 are part of one of the 201 SCC in 75 ms
Free SCC test removed 2966 places
Drop transitions removed 3355 transitions
Reduce isomorphic transitions removed 3355 transitions.
Drop transitions removed 20526 transitions
Trivial Post-agglo rules discarded 20526 transitions
Performed 20526 trivial Post agglomeration. Transition count delta: 20526
Iterating post reduction 0 with 20526 rules applied. Total rules applied 20527 place count 41277 transition count 42730
Reduce places removed 20526 places and 0 transitions.
Ensure Unique test removed 559 transitions
Reduce isomorphic transitions removed 559 transitions.
Drop transitions removed 551 transitions
Trivial Post-agglo rules discarded 551 transitions
Performed 551 trivial Post agglomeration. Transition count delta: 551
Iterating post reduction 1 with 21636 rules applied. Total rules applied 42163 place count 20751 transition count 41620
Reduce places removed 551 places and 0 transitions.
Ensure Unique test removed 178 transitions
Reduce isomorphic transitions removed 178 transitions.
Drop transitions removed 174 transitions
Trivial Post-agglo rules discarded 174 transitions
Performed 174 trivial Post agglomeration. Transition count delta: 174
Iterating post reduction 2 with 903 rules applied. Total rules applied 43066 place count 20200 transition count 41268
Reduce places removed 174 places and 0 transitions.
Performed 66 Post agglomeration using F-continuation condition.Transition count delta: 66
Iterating post reduction 3 with 240 rules applied. Total rules applied 43306 place count 20026 transition count 41202
Reduce places removed 66 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 4 with 72 rules applied. Total rules applied 43378 place count 19960 transition count 41196
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 5 with 2 rules applied. Total rules applied 43380 place count 19958 transition count 41196
Performed 224 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 6 with 224 Pre rules applied. Total rules applied 43380 place count 19958 transition count 40972
Deduced a syphon composed of 224 places in 2708 ms
Reduce places removed 224 places and 0 transitions.
Iterating global reduction 6 with 448 rules applied. Total rules applied 43828 place count 19734 transition count 40972
Performed 10755 Post agglomeration using F-continuation condition.Transition count delta: 10755
Deduced a syphon composed of 10755 places in 10 ms
Reduce places removed 10755 places and 0 transitions.
Iterating global reduction 6 with 21510 rules applied. Total rules applied 65338 place count 8979 transition count 30217
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 65339 place count 8979 transition count 30216
Renaming transitions due to excessive name length > 1024 char.
Discarding 402 places :
Symmetric choice reduction at 7 with 402 rule applications. Total rules 65741 place count 8577 transition count 20397
Iterating global reduction 7 with 402 rules applied. Total rules applied 66143 place count 8577 transition count 20397
Ensure Unique test removed 374 transitions
Reduce isomorphic transitions removed 374 transitions.
Iterating post reduction 7 with 374 rules applied. Total rules applied 66517 place count 8577 transition count 20023
Performed 101 Post agglomeration using F-continuation condition with reduction of 198 identical transitions.
Deduced a syphon composed of 101 places in 6 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 8 with 202 rules applied. Total rules applied 66719 place count 8476 transition count 20627
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 8 with 2 rules applied. Total rules applied 66721 place count 8476 transition count 20625
Discarding 35 places :
Symmetric choice reduction at 9 with 35 rule applications. Total rules 66756 place count 8441 transition count 20205
Iterating global reduction 9 with 35 rules applied. Total rules applied 66791 place count 8441 transition count 20205
Ensure Unique test removed 198 transitions
Reduce isomorphic transitions removed 198 transitions.
Iterating post reduction 9 with 198 rules applied. Total rules applied 66989 place count 8441 transition count 20007
Performed 101 Post agglomeration using F-continuation condition with reduction of 180 identical transitions.
Deduced a syphon composed of 101 places in 7 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 10 with 202 rules applied. Total rules applied 67191 place count 8340 transition count 20613
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 67192 place count 8340 transition count 20612
Discarding 31 places :
Symmetric choice reduction at 11 with 31 rule applications. Total rules 67223 place count 8309 transition count 20240
Iterating global reduction 11 with 31 rules applied. Total rules applied 67254 place count 8309 transition count 20240
Ensure Unique test removed 174 transitions
Reduce isomorphic transitions removed 174 transitions.
Iterating post reduction 11 with 174 rules applied. Total rules applied 67428 place count 8309 transition count 20066
Performed 101 Post agglomeration using F-continuation condition with reduction of 180 identical transitions.
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 12 with 202 rules applied. Total rules applied 67630 place count 8208 transition count 20667
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 12 with 2 rules applied. Total rules applied 67632 place count 8208 transition count 20665
Discarding 32 places :
Symmetric choice reduction at 13 with 32 rule applications. Total rules 67664 place count 8176 transition count 20281
Iterating global reduction 13 with 32 rules applied. Total rules applied 67696 place count 8176 transition count 20281
Ensure Unique test removed 175 transitions
Reduce isomorphic transitions removed 175 transitions.
Iterating post reduction 13 with 175 rules applied. Total rules applied 67871 place count 8176 transition count 20106
Performed 101 Post agglomeration using F-continuation condition with reduction of 192 identical transitions.
Deduced a syphon composed of 101 places in 4 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 14 with 202 rules applied. Total rules applied 68073 place count 8075 transition count 20711
Discarding 32 places :
Symmetric choice reduction at 14 with 32 rule applications. Total rules 68105 place count 8043 transition count 20327
Iterating global reduction 14 with 32 rules applied. Total rules applied 68137 place count 8043 transition count 20327
Ensure Unique test removed 186 transitions
Reduce isomorphic transitions removed 186 transitions.
Iterating post reduction 14 with 186 rules applied. Total rules applied 68323 place count 8043 transition count 20141
Performed 101 Post agglomeration using F-continuation condition with reduction of 192 identical transitions.
Deduced a syphon composed of 101 places in 3 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 15 with 202 rules applied. Total rules applied 68525 place count 7942 transition count 20760
Discarding 32 places :
Symmetric choice reduction at 15 with 32 rule applications. Total rules 68557 place count 7910 transition count 20376
Iterating global reduction 15 with 32 rules applied. Total rules applied 68589 place count 7910 transition count 20376
Ensure Unique test removed 192 transitions
Reduce isomorphic transitions removed 192 transitions.
Iterating post reduction 15 with 192 rules applied. Total rules applied 68781 place count 7910 transition count 20184
Performed 101 Post agglomeration using F-continuation condition with reduction of 96 identical transitions.
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 16 with 202 rules applied. Total rules applied 68983 place count 7809 transition count 20862
Drop transitions removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Iterating post reduction 16 with 84 rules applied. Total rules applied 69067 place count 7809 transition count 20778
Discarding 16 places :
Symmetric choice reduction at 17 with 16 rule applications. Total rules 69083 place count 7793 transition count 20580
Iterating global reduction 17 with 16 rules applied. Total rules applied 69099 place count 7793 transition count 20580
Ensure Unique test removed 99 transitions
Reduce isomorphic transitions removed 99 transitions.
Iterating post reduction 17 with 99 rules applied. Total rules applied 69198 place count 7793 transition count 20481
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 18 with 4 rules applied. Total rules applied 69202 place count 7791 transition count 20504
Drop transitions removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 18 with 4 rules applied. Total rules applied 69206 place count 7791 transition count 20500
Free-agglomeration rule applied 4895 times with reduction of 3159 identical transitions.
Iterating global reduction 19 with 4895 rules applied. Total rules applied 74101 place count 7791 transition count 12446
Reduce places removed 4895 places and 0 transitions.
Drop transitions removed 5515 transitions
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 5608 transitions.
Graph (complete) has 9715 edges and 2896 vertex of which 2001 are kept as prefixes of interest. Removing 895 places using SCC suffix rule.6 ms
Discarding 895 places :
Also discarding 695 output transitions
Drop transitions removed 695 transitions
Iterating post reduction 19 with 10504 rules applied. Total rules applied 84605 place count 2001 transition count 6143
Drop transitions removed 681 transitions
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 730 transitions.
Iterating post reduction 20 with 730 rules applied. Total rules applied 85335 place count 2001 transition count 5413
Discarding 1012 places :
Symmetric choice reduction at 21 with 1012 rule applications. Total rules 86347 place count 989 transition count 2842
Iterating global reduction 21 with 1012 rules applied. Total rules applied 87359 place count 989 transition count 2842
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 21 with 2 rules applied. Total rules applied 87361 place count 989 transition count 2840
Drop transitions removed 75 transitions
Redundant transition composition rules discarded 75 transitions
Iterating global reduction 22 with 75 rules applied. Total rules applied 87436 place count 989 transition count 2765
Discarding 40 places :
Symmetric choice reduction at 22 with 40 rule applications. Total rules 87476 place count 949 transition count 2660
Iterating global reduction 22 with 40 rules applied. Total rules applied 87516 place count 949 transition count 2660
Discarding 10 places :
Symmetric choice reduction at 22 with 10 rule applications. Total rules 87526 place count 939 transition count 1925
Iterating global reduction 22 with 10 rules applied. Total rules applied 87536 place count 939 transition count 1925
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 22 with 10 rules applied. Total rules applied 87546 place count 939 transition count 1915
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 23 with 12 rules applied. Total rules applied 87558 place count 933 transition count 1909
Drop transitions removed 23 transitions
Redundant transition composition rules discarded 23 transitions
Iterating global reduction 23 with 23 rules applied. Total rules applied 87581 place count 933 transition count 1886
Free-agglomeration rule applied 6 times.
Iterating global reduction 23 with 6 rules applied. Total rules applied 87587 place count 933 transition count 1880
Reduce places removed 6 places and 0 transitions.
Drop transitions removed 404 transitions
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 416 transitions.
Graph (complete) has 2475 edges and 927 vertex of which 792 are kept as prefixes of interest. Removing 135 places using SCC suffix rule.1 ms
Discarding 135 places :
Also discarding 127 output transitions
Drop transitions removed 127 transitions
Iterating post reduction 23 with 423 rules applied. Total rules applied 88010 place count 792 transition count 1337
Drop transitions removed 54 transitions
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 105 transitions.
Iterating post reduction 24 with 105 rules applied. Total rules applied 88115 place count 792 transition count 1232
Discarding 176 places :
Symmetric choice reduction at 25 with 176 rule applications. Total rules 88291 place count 616 transition count 927
Iterating global reduction 25 with 176 rules applied. Total rules applied 88467 place count 616 transition count 927
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 25 with 1 rules applied. Total rules applied 88468 place count 616 transition count 926
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 25 with 2 rules applied. Total rules applied 88470 place count 616 transition count 926
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 25 with 1 rules applied. Total rules applied 88471 place count 615 transition count 925
Reduce places removed 4 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 25 with 5 rules applied. Total rules applied 88476 place count 611 transition count 924
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 26 with 1 rules applied. Total rules applied 88477 place count 610 transition count 924
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 27 with 3 Pre rules applied. Total rules applied 88477 place count 610 transition count 921
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 27 with 6 rules applied. Total rules applied 88483 place count 607 transition count 921
Performed 9 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 27 with 19 rules applied. Total rules applied 88502 place count 597 transition count 910
Drop transitions removed 15 transitions
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 27 with 31 rules applied. Total rules applied 88533 place count 597 transition count 879
Discarding 8 places :
Symmetric choice reduction at 28 with 8 rule applications. Total rules 88541 place count 589 transition count 870
Iterating global reduction 28 with 8 rules applied. Total rules applied 88549 place count 589 transition count 870
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 28 with 5 rules applied. Total rules applied 88554 place count 589 transition count 865
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 28 with 1 rules applied. Total rules applied 88555 place count 588 transition count 865
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 29 with 1 Pre rules applied. Total rules applied 88555 place count 588 transition count 864
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 29 with 2 rules applied. Total rules applied 88557 place count 587 transition count 864
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 29 with 2 rules applied. Total rules applied 88559 place count 586 transition count 863
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 29 with 3 rules applied. Total rules applied 88562 place count 586 transition count 860
Applied a total of 88562 rules in 32184 ms. Remains 586 /44243 variables (removed 43657) and now considering 860/66611 (removed 65751) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32185 ms. Remains : 586/44243 places, 860/66611 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 217 ms. (steps per millisecond=46 ) properties (out of 14) seen :12
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-08 14:24:21] [INFO ] Flow matrix only has 500 transitions (discarded 360 similar events)
// Phase 1: matrix 500 rows 586 cols
[2023-03-08 14:24:21] [INFO ] Computed 315 place invariants in 18 ms
[2023-03-08 14:24:21] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-08 14:24:21] [INFO ] [Nat]Absence check using 315 positive place invariants in 53 ms returned sat
[2023-03-08 14:24:22] [INFO ] After 293ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-08 14:24:22] [INFO ] State equation strengthened by 152 read => feed constraints.
[2023-03-08 14:24:22] [INFO ] After 127ms SMT Verify possible using 152 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-08 14:24:22] [INFO ] After 282ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 138 ms.
[2023-03-08 14:24:22] [INFO ] After 904ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 16 ms.
Support contains 72 out of 586 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 586/586 places, 860/860 transitions.
Graph (trivial) has 88 edges and 586 vertex of which 20 / 586 are part of one of the 10 SCC in 0 ms
Free SCC test removed 10 places
Drop transitions removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Graph (complete) has 1481 edges and 576 vertex of which 475 are kept as prefixes of interest. Removing 101 places using SCC suffix rule.1 ms
Discarding 101 places :
Also discarding 84 output transitions
Drop transitions removed 84 transitions
Drop transitions removed 44 transitions
Reduce isomorphic transitions removed 44 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 52 rules applied. Total rules applied 54 place count 475 transition count 697
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 62 place count 467 transition count 697
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 62 place count 467 transition count 693
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 70 place count 463 transition count 693
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 72 place count 463 transition count 691
Discarding 31 places :
Symmetric choice reduction at 3 with 31 rule applications. Total rules 103 place count 432 transition count 647
Iterating global reduction 3 with 31 rules applied. Total rules applied 134 place count 432 transition count 647
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 154 place count 422 transition count 637
Drop transitions removed 6 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 7 transitions.
Graph (complete) has 1070 edges and 422 vertex of which 410 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 6 output transitions
Drop transitions removed 6 transitions
Iterating post reduction 3 with 8 rules applied. Total rules applied 162 place count 410 transition count 624
Drop transitions removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 168 place count 410 transition count 618
Discarding 6 places :
Symmetric choice reduction at 5 with 6 rule applications. Total rules 174 place count 404 transition count 609
Iterating global reduction 5 with 6 rules applied. Total rules applied 180 place count 404 transition count 609
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 182 place count 403 transition count 608
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 5 with 3 rules applied. Total rules applied 185 place count 403 transition count 605
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 6 with 5 rules applied. Total rules applied 190 place count 403 transition count 600
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 192 place count 402 transition count 599
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 193 place count 402 transition count 598
Free-agglomeration rule applied 5 times.
Iterating global reduction 6 with 5 rules applied. Total rules applied 198 place count 402 transition count 593
Reduce places removed 6 places and 0 transitions.
Drop transitions removed 78 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 80 transitions.
Graph (complete) has 951 edges and 396 vertex of which 379 are kept as prefixes of interest. Removing 17 places using SCC suffix rule.0 ms
Discarding 17 places :
Also discarding 12 output transitions
Drop transitions removed 12 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 6 with 88 rules applied. Total rules applied 286 place count 379 transition count 500
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 3 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 7 with 5 rules applied. Total rules applied 291 place count 378 transition count 496
Discarding 37 places :
Symmetric choice reduction at 8 with 37 rule applications. Total rules 328 place count 341 transition count 433
Iterating global reduction 8 with 37 rules applied. Total rules applied 365 place count 341 transition count 433
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 368 place count 341 transition count 430
Applied a total of 368 rules in 87 ms. Remains 341 /586 variables (removed 245) and now considering 430/860 (removed 430) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 88 ms. Remains : 341/586 places, 430/860 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 139 ms. (steps per millisecond=71 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 487530 steps, run timeout after 3001 ms. (steps per millisecond=162 ) properties seen :{1=1}
Probabilistic random walk after 487530 steps, saw 447212 distinct states, run finished after 3001 ms. (steps per millisecond=162 ) properties seen :1
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running SMT prover for 1 properties.
[2023-03-08 14:24:25] [INFO ] Flow matrix only has 313 transitions (discarded 117 similar events)
// Phase 1: matrix 313 rows 341 cols
[2023-03-08 14:24:25] [INFO ] Computed 171 place invariants in 9 ms
[2023-03-08 14:24:25] [INFO ] After 60ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-08 14:24:25] [INFO ] [Nat]Absence check using 171 positive place invariants in 24 ms returned sat
[2023-03-08 14:24:26] [INFO ] After 143ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-08 14:24:26] [INFO ] State equation strengthened by 106 read => feed constraints.
[2023-03-08 14:24:26] [INFO ] After 59ms SMT Verify possible using 106 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-08 14:24:26] [INFO ] After 120ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 55 ms.
[2023-03-08 14:24:26] [INFO ] After 400ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 52 out of 341 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 341/341 places, 430/430 transitions.
Graph (trivial) has 42 edges and 341 vertex of which 12 / 341 are part of one of the 6 SCC in 0 ms
Free SCC test removed 6 places
Drop transitions removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Graph (complete) has 789 edges and 335 vertex of which 276 are kept as prefixes of interest. Removing 59 places using SCC suffix rule.0 ms
Discarding 59 places :
Also discarding 49 output transitions
Drop transitions removed 49 transitions
Drop transitions removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 15 rules applied. Total rules applied 17 place count 276 transition count 350
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 20 place count 273 transition count 350
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 20 place count 273 transition count 349
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 272 transition count 349
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 31 place count 263 transition count 339
Iterating global reduction 2 with 9 rules applied. Total rules applied 40 place count 263 transition count 339
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 48 place count 259 transition count 335
Drop transitions removed 4 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 53 place count 259 transition count 330
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 54 place count 259 transition count 329
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 55 place count 258 transition count 326
Iterating global reduction 3 with 1 rules applied. Total rules applied 56 place count 258 transition count 326
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 59 place count 258 transition count 323
Applied a total of 59 rules in 28 ms. Remains 258 /341 variables (removed 83) and now considering 323/430 (removed 107) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 30 ms. Remains : 258/341 places, 323/430 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :0
Finished Best-First random walk after 1510 steps, including 0 resets, run visited all 1 properties in 6 ms. (steps per millisecond=251 )
FORMULA DLCshifumi-PT-6b-ReachabilityCardinality-01 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
All properties solved without resorting to model-checking.
Total runtime 79821 ms.
starting LoLA
BK_INPUT DLCshifumi-PT-6b
BK_EXAMINATION: ReachabilityCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
ReachabilityCardinality

BK_STOP 1678288494081

--------------------
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 ReachabilityCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/ReachabilityCardinality.xml
/home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin//../BenchKit_head.sh: line 63: 486 Killed lola --conf=$BIN_DIR/configfiles/reachabilitycardinalityconf --formula=$DIR/ReachabilityCardinality.xml --verdictfile=$DIR/GenericPropertiesVerdict.xml $DIR/model.pnml

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="DLCshifumi-PT-6b"
export BK_EXAMINATION="ReachabilityCardinality"
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 DLCshifumi-PT-6b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r103-tall-167814478900870"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-6b.tgz
mv DLCshifumi-PT-6b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;