About the Execution of LTSMin+red for MultiCrashLeafsetExtension-PT-S24C09
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 7391.695 | 3600000.00 | 13632654.00 | 1026.70 | TTF?FFTFFT?TTTTF | 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.r233-tall-167856419500863.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 ltsminxred
Input is MultiCrashLeafsetExtension-PT-S24C09, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r233-tall-167856419500863
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 17M
-rw-r--r-- 1 mcc users 11K Feb 26 03:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 26 03:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 03:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 03:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 7.1K Feb 25 16:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Feb 25 16:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 16:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K Feb 25 16:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 21K Feb 26 03:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Feb 26 03:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 26 03:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 03:33 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.5K Feb 25 16:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M 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 MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-00
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-01
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-02
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-03
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-04
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-05
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-06
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-07
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-08
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-09
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-10
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-11
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-12
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-13
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-14
FORMULA_NAME MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-15
=== Now, execution of the tool begins
BK_START 1679643381274
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=ltsminxred
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MultiCrashLeafsetExtension-PT-S24C09
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-24 07:36:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -timeout, 360, -rebuildPNML]
[2023-03-24 07:36:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-24 07:36:23] [INFO ] Load time of PNML (sax parser for PT used): 555 ms
[2023-03-24 07:36:23] [INFO ] Transformed 16538 places.
[2023-03-24 07:36:23] [INFO ] Transformed 24169 transitions.
[2023-03-24 07:36:23] [INFO ] Parsed PT model containing 16538 places and 24169 transitions and 90398 arcs in 940 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 17 ms.
Working with output stream class java.io.PrintStream
Incomplete random walk after 10000 steps, including 108 resets, run finished after 581 ms. (steps per millisecond=17 ) properties (out of 16) seen :4
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 12) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-05 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 113 ms. (steps per millisecond=88 ) properties (out of 11) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 11) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 100 ms. (steps per millisecond=100 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10001 steps, including 21 resets, run finished after 118 ms. (steps per millisecond=84 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 10000 steps, including 21 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 10) seen :0
Running SMT prover for 10 properties.
[2023-03-24 07:36:25] [INFO ] Flow matrix only has 23569 transitions (discarded 600 similar events)
// Phase 1: matrix 23569 rows 16538 cols
[2023-03-24 07:36:28] [INFO ] Computed 1191 place invariants in 2069 ms
[2023-03-24 07:36:32] [INFO ] [Real]Absence check using 72 positive place invariants in 80 ms returned sat
[2023-03-24 07:36:33] [INFO ] [Real]Absence check using 72 positive and 1119 generalized place invariants in 1004 ms returned sat
[2023-03-24 07:36:34] [INFO ] After 6041ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2023-03-24 07:36:37] [INFO ] [Nat]Absence check using 72 positive place invariants in 62 ms returned sat
[2023-03-24 07:36:38] [INFO ] [Nat]Absence check using 72 positive and 1119 generalized place invariants in 942 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
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:350)
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)
[2023-03-24 07:36:59] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-24 07:36:59] [INFO ] After 25033ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:10
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-15 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-11 TRUE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-08 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-07 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-04 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 10 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 161 out of 16538 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 16538/16538 places, 24169/24169 transitions.
Graph (complete) has 52987 edges and 16538 vertex of which 16492 are kept as prefixes of interest. Removing 46 places using SCC suffix rule.52 ms
Discarding 46 places :
Also discarding 0 output transitions
Drop transitions removed 5163 transitions
Trivial Post-agglo rules discarded 5163 transitions
Performed 5163 trivial Post agglomeration. Transition count delta: 5163
Iterating post reduction 0 with 5163 rules applied. Total rules applied 5164 place count 16492 transition count 19006
Reduce places removed 5163 places and 0 transitions.
Performed 216 Post agglomeration using F-continuation condition.Transition count delta: 216
Iterating post reduction 1 with 5379 rules applied. Total rules applied 10543 place count 11329 transition count 18790
Reduce places removed 216 places and 0 transitions.
Iterating post reduction 2 with 216 rules applied. Total rules applied 10759 place count 11113 transition count 18790
Performed 429 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 429 Pre rules applied. Total rules applied 10759 place count 11113 transition count 18361
Deduced a syphon composed of 429 places in 16 ms
Reduce places removed 429 places and 0 transitions.
Iterating global reduction 3 with 858 rules applied. Total rules applied 11617 place count 10684 transition count 18361
Discarding 4911 places :
Symmetric choice reduction at 3 with 4911 rule applications. Total rules 16528 place count 5773 transition count 13450
Iterating global reduction 3 with 4911 rules applied. Total rules applied 21439 place count 5773 transition count 13450
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 21439 place count 5773 transition count 13448
Deduced a syphon composed of 2 places in 14 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 21443 place count 5771 transition count 13448
Discarding 494 places :
Symmetric choice reduction at 3 with 494 rule applications. Total rules 21937 place count 5277 transition count 9002
Iterating global reduction 3 with 494 rules applied. Total rules applied 22431 place count 5277 transition count 9002
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 11 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 3 with 44 rules applied. Total rules applied 22475 place count 5255 transition count 8980
Free-agglomeration rule (complex) applied 269 times.
Iterating global reduction 3 with 269 rules applied. Total rules applied 22744 place count 5255 transition count 8711
Reduce places removed 269 places and 0 transitions.
Iterating post reduction 3 with 269 rules applied. Total rules applied 23013 place count 4986 transition count 8711
Partial Free-agglomeration rule applied 382 times.
Drop transitions removed 382 transitions
Iterating global reduction 4 with 382 rules applied. Total rules applied 23395 place count 4986 transition count 8711
Applied a total of 23395 rules in 6231 ms. Remains 4986 /16538 variables (removed 11552) and now considering 8711/24169 (removed 15458) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6234 ms. Remains : 4986/16538 places, 8711/24169 transitions.
Incomplete random walk after 10000 steps, including 153 resets, run finished after 266 ms. (steps per millisecond=37 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 53 ms. (steps per millisecond=188 ) properties (out of 5) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-24 07:37:05] [INFO ] Flow matrix only has 7842 transitions (discarded 869 similar events)
// Phase 1: matrix 7842 rows 4986 cols
[2023-03-24 07:37:06] [INFO ] Computed 1145 place invariants in 224 ms
[2023-03-24 07:37:06] [INFO ] [Real]Absence check using 49 positive place invariants in 85 ms returned sat
[2023-03-24 07:37:07] [INFO ] [Real]Absence check using 49 positive and 1096 generalized place invariants in 317 ms returned sat
[2023-03-24 07:37:07] [INFO ] After 1274ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-24 07:37:08] [INFO ] [Nat]Absence check using 49 positive place invariants in 86 ms returned sat
[2023-03-24 07:37:08] [INFO ] [Nat]Absence check using 49 positive and 1096 generalized place invariants in 315 ms returned sat
[2023-03-24 07:37:24] [INFO ] After 15211ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-24 07:37:24] [INFO ] State equation strengthened by 3450 read => feed constraints.
[2023-03-24 07:37:32] [INFO ] After 8412ms SMT Verify possible using 3450 Read/Feed constraints in natural domain returned unsat :1 sat :2
[2023-03-24 07:37:32] [INFO ] After 8414ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :2
Attempting to minimize the solution found.
Minimization took 2 ms.
[2023-03-24 07:37:32] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :2
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-02 FALSE TECHNIQUES STRUCTURAL_REDUCTION TOPOLOGICAL SAT_SMT
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 17 ms.
Support contains 74 out of 4986 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4986/4986 places, 8711/8711 transitions.
Drop transitions removed 14 transitions
Trivial Post-agglo rules discarded 14 transitions
Performed 14 trivial Post agglomeration. Transition count delta: 14
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 4986 transition count 8697
Reduce places removed 14 places and 0 transitions.
Iterating post reduction 1 with 14 rules applied. Total rules applied 28 place count 4972 transition count 8697
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 28 place count 4972 transition count 8685
Deduced a syphon composed of 12 places in 4 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 52 place count 4960 transition count 8685
Discarding 19 places :
Symmetric choice reduction at 2 with 19 rule applications. Total rules 71 place count 4941 transition count 8594
Iterating global reduction 2 with 19 rules applied. Total rules applied 90 place count 4941 transition count 8594
Discarding 9 places :
Symmetric choice reduction at 2 with 9 rule applications. Total rules 99 place count 4932 transition count 8513
Iterating global reduction 2 with 9 rules applied. Total rules applied 108 place count 4932 transition count 8513
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 110 place count 4931 transition count 8512
Free-agglomeration rule (complex) applied 84 times.
Iterating global reduction 2 with 84 rules applied. Total rules applied 194 place count 4931 transition count 12452
Reduce places removed 84 places and 0 transitions.
Iterating post reduction 2 with 84 rules applied. Total rules applied 278 place count 4847 transition count 12452
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 286 place count 4839 transition count 12444
Iterating global reduction 3 with 8 rules applied. Total rules applied 294 place count 4839 transition count 12444
Partial Free-agglomeration rule applied 13 times.
Drop transitions removed 13 transitions
Iterating global reduction 3 with 13 rules applied. Total rules applied 307 place count 4839 transition count 12444
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 313 place count 4833 transition count 12438
Iterating global reduction 3 with 6 rules applied. Total rules applied 319 place count 4833 transition count 12438
Applied a total of 319 rules in 3811 ms. Remains 4833 /4986 variables (removed 153) and now considering 12438/8711 (removed -3727) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3811 ms. Remains : 4833/4986 places, 12438/8711 transitions.
Incomplete random walk after 10000 steps, including 178 resets, run finished after 635 ms. (steps per millisecond=15 ) properties (out of 3) seen :1
FORMULA MultiCrashLeafsetExtension-PT-S24C09-ReachabilityFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 106 ms. (steps per millisecond=94 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-24 07:37:37] [INFO ] Flow matrix only has 11568 transitions (discarded 870 similar events)
// Phase 1: matrix 11568 rows 4833 cols
[2023-03-24 07:37:37] [INFO ] Computed 1145 place invariants in 308 ms
[2023-03-24 07:37:38] [INFO ] [Real]Absence check using 47 positive place invariants in 56 ms returned sat
[2023-03-24 07:37:38] [INFO ] [Real]Absence check using 47 positive and 1098 generalized place invariants in 325 ms returned sat
[2023-03-24 07:37:38] [INFO ] After 1075ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-24 07:37:39] [INFO ] [Nat]Absence check using 47 positive place invariants in 57 ms returned sat
[2023-03-24 07:37:39] [INFO ] [Nat]Absence check using 47 positive and 1098 generalized place invariants in 320 ms returned sat
[2023-03-24 07:37:53] [INFO ] After 13898ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-24 07:37:53] [INFO ] State equation strengthened by 7330 read => feed constraints.
[2023-03-24 07:38:03] [INFO ] After 9978ms SMT Verify possible using 7330 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-24 07:38:03] [INFO ] After 25054ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 9 ms.
Support contains 57 out of 4833 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4833/4833 places, 12438/12438 transitions.
Drop transitions removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 4833 transition count 12434
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 8 place count 4829 transition count 12434
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 8 place count 4829 transition count 12432
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 12 place count 4827 transition count 12432
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 14 place count 4825 transition count 12430
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 4825 transition count 12430
Free-agglomeration rule (complex) applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 21 place count 4825 transition count 12425
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 26 place count 4820 transition count 12425
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 29 place count 4817 transition count 12422
Iterating global reduction 3 with 3 rules applied. Total rules applied 32 place count 4817 transition count 12422
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 35 place count 4817 transition count 12422
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 36 place count 4816 transition count 12421
Iterating global reduction 3 with 1 rules applied. Total rules applied 37 place count 4816 transition count 12421
Applied a total of 37 rules in 3072 ms. Remains 4816 /4833 variables (removed 17) and now considering 12421/12438 (removed 17) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3072 ms. Remains : 4816/4833 places, 12421/12438 transitions.
Incomplete random walk after 10000 steps, including 178 resets, run finished after 566 ms. (steps per millisecond=17 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 104 ms. (steps per millisecond=96 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 23 resets, run finished after 86 ms. (steps per millisecond=116 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 18362 steps, run timeout after 3001 ms. (steps per millisecond=6 ) properties seen :{}
Probabilistic random walk after 18362 steps, saw 8600 distinct states, run finished after 3002 ms. (steps per millisecond=6 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-24 07:38:10] [INFO ] Flow matrix only has 11551 transitions (discarded 870 similar events)
// Phase 1: matrix 11551 rows 4816 cols
[2023-03-24 07:38:10] [INFO ] Computed 1145 place invariants in 296 ms
[2023-03-24 07:38:11] [INFO ] [Real]Absence check using 49 positive place invariants in 75 ms returned sat
[2023-03-24 07:38:11] [INFO ] [Real]Absence check using 49 positive and 1096 generalized place invariants in 310 ms returned sat
[2023-03-24 07:38:11] [INFO ] After 1069ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-24 07:38:12] [INFO ] [Nat]Absence check using 49 positive place invariants in 75 ms returned sat
[2023-03-24 07:38:12] [INFO ] [Nat]Absence check using 49 positive and 1096 generalized place invariants in 325 ms returned sat
[2023-03-24 07:38:25] [INFO ] After 12584ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-24 07:38:25] [INFO ] State equation strengthened by 7330 read => feed constraints.
[2023-03-24 07:38:37] [INFO ] After 11316ms SMT Verify possible using 7330 Read/Feed constraints in natural domain returned unsat :0 sat :0
[2023-03-24 07:38:37] [INFO ] After 25061ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Parikh walk visited 0 properties in 15 ms.
Support contains 57 out of 4816 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4816/4816 places, 12421/12421 transitions.
Applied a total of 0 rules in 703 ms. Remains 4816 /4816 variables (removed 0) and now considering 12421/12421 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 703 ms. Remains : 4816/4816 places, 12421/12421 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4816/4816 places, 12421/12421 transitions.
Applied a total of 0 rules in 681 ms. Remains 4816 /4816 variables (removed 0) and now considering 12421/12421 (removed 0) transitions.
[2023-03-24 07:38:38] [INFO ] Flow matrix only has 11551 transitions (discarded 870 similar events)
[2023-03-24 07:38:38] [INFO ] Invariant cache hit.
[2023-03-24 07:38:42] [INFO ] Implicit Places using invariants in 4495 ms returned []
Implicit Place search using SMT only with invariants took 4496 ms to find 0 implicit places.
[2023-03-24 07:38:42] [INFO ] Flow matrix only has 11551 transitions (discarded 870 similar events)
[2023-03-24 07:38:42] [INFO ] Invariant cache hit.
[2023-03-24 07:38:50] [INFO ] Dead Transitions using invariants and state equation in 7423 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12604 ms. Remains : 4816/4816 places, 12421/12421 transitions.
Graph (trivial) has 3399 edges and 4816 vertex of which 23 / 4816 are part of one of the 1 SCC in 11 ms
Free SCC test removed 22 places
Drop transitions removed 555 transitions
Ensure Unique test removed 854 transitions
Reduce isomorphic transitions removed 1409 transitions.
Graph (complete) has 43246 edges and 4794 vertex of which 4776 are kept as prefixes of interest. Removing 18 places using SCC suffix rule.5 ms
Discarding 18 places :
Also discarding 0 output transitions
Ensure Unique test removed 381 places
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Remove reverse transitions (loop back) rule discarded transition Node10DetectsThatNode13CanReplaceNode12.Node13IsBecomingTheNewNodeMaster and 1 places that fell out of Prefix Of Interest.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 185 transitions
Trivial Post-agglo rules discarded 185 transitions
Performed 185 trivial Post agglomeration. Transition count delta: 185
Iterating post reduction 0 with 187 rules applied. Total rules applied 189 place count 4394 transition count 10825
Ensure Unique test removed 1 places
Reduce places removed 186 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 154 transitions
Reduce isomorphic transitions removed 155 transitions.
Drop transitions removed 154 transitions
Trivial Post-agglo rules discarded 154 transitions
Performed 154 trivial Post agglomeration. Transition count delta: 154
Iterating post reduction 1 with 495 rules applied. Total rules applied 684 place count 4208 transition count 10516
Ensure Unique test removed 1 places
Reduce places removed 155 places and 0 transitions.
Drop transitions removed 26 transitions
Ensure Unique test removed 119 transitions
Reduce isomorphic transitions removed 145 transitions.
Drop transitions removed 115 transitions
Trivial Post-agglo rules discarded 115 transitions
Performed 115 trivial Post agglomeration. Transition count delta: 115
Iterating post reduction 2 with 415 rules applied. Total rules applied 1099 place count 4053 transition count 10256
Ensure Unique test removed 26 places
Reduce places removed 141 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 104 transitions
Reduce isomorphic transitions removed 106 transitions.
Drop transitions removed 104 transitions
Trivial Post-agglo rules discarded 104 transitions
Performed 104 trivial Post agglomeration. Transition count delta: 104
Iterating post reduction 3 with 351 rules applied. Total rules applied 1450 place count 3912 transition count 10046
Ensure Unique test removed 2 places
Reduce places removed 106 places and 0 transitions.
Drop transitions removed 17 transitions
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 95 transitions.
Drop transitions removed 76 transitions
Trivial Post-agglo rules discarded 76 transitions
Performed 76 trivial Post agglomeration. Transition count delta: 76
Iterating post reduction 4 with 277 rules applied. Total rules applied 1727 place count 3806 transition count 9875
Ensure Unique test removed 17 places
Reduce places removed 93 places and 0 transitions.
Drop transitions removed 2 transitions
Ensure Unique test removed 65 transitions
Reduce isomorphic transitions removed 67 transitions.
Drop transitions removed 64 transitions
Trivial Post-agglo rules discarded 64 transitions
Performed 64 trivial Post agglomeration. Transition count delta: 64
Iterating post reduction 5 with 224 rules applied. Total rules applied 1951 place count 3713 transition count 9744
Ensure Unique test removed 2 places
Reduce places removed 66 places and 0 transitions.
Drop transitions removed 10 transitions
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 55 transitions.
Drop transitions removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 6 with 164 rules applied. Total rules applied 2115 place count 3647 transition count 9646
Ensure Unique test removed 10 places
Reduce places removed 53 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 36 transitions.
Drop transitions removed 35 transitions
Trivial Post-agglo rules discarded 35 transitions
Performed 35 trivial Post agglomeration. Transition count delta: 35
Iterating post reduction 7 with 124 rules applied. Total rules applied 2239 place count 3594 transition count 9575
Ensure Unique test removed 1 places
Reduce places removed 36 places and 0 transitions.
Drop transitions removed 4 transitions
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 26 transitions.
Drop transitions removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 8 with 82 rules applied. Total rules applied 2321 place count 3558 transition count 9529
Ensure Unique test removed 4 places
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 9 with 46 rules applied. Total rules applied 2367 place count 3534 transition count 9507
Reduce places removed 11 places and 0 transitions.
Drop transitions removed 1 transitions
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 11 transitions.
Drop transitions removed 9 transitions
Trivial Post-agglo rules discarded 9 transitions
Performed 9 trivial Post agglomeration. Transition count delta: 9
Iterating post reduction 10 with 31 rules applied. Total rules applied 2398 place count 3523 transition count 9487
Ensure Unique test removed 1 places
Reduce places removed 10 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 11 with 26 rules applied. Total rules applied 2424 place count 3513 transition count 9471
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 12 with 19 rules applied. Total rules applied 2443 place count 3497 transition count 9468
Performed 447 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 13 with 447 Pre rules applied. Total rules applied 2443 place count 3497 transition count 9021
Deduced a syphon composed of 447 places in 3 ms
Ensure Unique test removed 438 places
Reduce places removed 885 places and 0 transitions.
Iterating global reduction 13 with 1332 rules applied. Total rules applied 3775 place count 2612 transition count 9021
Discarding 443 places :
Symmetric choice reduction at 13 with 443 rule applications. Total rules 4218 place count 2169 transition count 8578
Iterating global reduction 13 with 443 rules applied. Total rules applied 4661 place count 2169 transition count 8578
Discarding 272 places :
Symmetric choice reduction at 13 with 272 rule applications. Total rules 4933 place count 1897 transition count 6130
Iterating global reduction 13 with 272 rules applied. Total rules applied 5205 place count 1897 transition count 6130
Ensure Unique test removed 248 transitions
Reduce isomorphic transitions removed 248 transitions.
Iterating post reduction 13 with 248 rules applied. Total rules applied 5453 place count 1897 transition count 5882
Performed 1175 Post agglomeration using F-continuation condition.Transition count delta: 1175
Deduced a syphon composed of 1175 places in 1 ms
Reduce places removed 1175 places and 0 transitions.
Iterating global reduction 14 with 2350 rules applied. Total rules applied 7803 place count 722 transition count 4707
Drop transitions removed 1079 transitions
Ensure Unique test removed 63 transitions
Reduce isomorphic transitions removed 1142 transitions.
Iterating post reduction 14 with 1142 rules applied. Total rules applied 8945 place count 722 transition count 3565
Drop transitions removed 238 transitions
Redundant transition composition rules discarded 238 transitions
Iterating global reduction 15 with 238 rules applied. Total rules applied 9183 place count 722 transition count 3327
Ensure Unique test removed 174 places
Iterating post reduction 15 with 174 rules applied. Total rules applied 9357 place count 548 transition count 3327
Discarding 126 places :
Symmetric choice reduction at 16 with 126 rule applications. Total rules 9483 place count 422 transition count 2193
Iterating global reduction 16 with 126 rules applied. Total rules applied 9609 place count 422 transition count 2193
Ensure Unique test removed 112 transitions
Reduce isomorphic transitions removed 112 transitions.
Iterating post reduction 16 with 112 rules applied. Total rules applied 9721 place count 422 transition count 2081
Drop transitions removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 17 with 14 rules applied. Total rules applied 9735 place count 422 transition count 2067
Free-agglomeration rule applied 1 times.
Iterating global reduction 17 with 1 rules applied. Total rules applied 9736 place count 422 transition count 2066
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 17 with 1 rules applied. Total rules applied 9737 place count 421 transition count 2066
Free-agglomeration rule (complex) applied 4 times.
Iterating global reduction 18 with 4 rules applied. Total rules applied 9741 place count 421 transition count 2062
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 18 with 4 rules applied. Total rules applied 9745 place count 417 transition count 2062
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 19 with 1 rules applied. Total rules applied 9746 place count 417 transition count 2061
Free-agglomeration rule applied 1 times.
Iterating global reduction 19 with 1 rules applied. Total rules applied 9747 place count 417 transition count 2060
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 9748 place count 416 transition count 2060
Partial Free-agglomeration rule applied 1515 times.
Drop transitions removed 1515 transitions
Iterating global reduction 20 with 1515 rules applied. Total rules applied 11263 place count 416 transition count 2060
Discarding 22 places :
Symmetric choice reduction at 20 with 22 rule applications. Total rules 11285 place count 394 transition count 1862
Iterating global reduction 20 with 22 rules applied. Total rules applied 11307 place count 394 transition count 1862
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 20 with 1 rules applied. Total rules applied 11308 place count 394 transition count 1861
Drop transitions removed 21 transitions
Redundant transition composition rules discarded 21 transitions
Iterating global reduction 21 with 21 rules applied. Total rules applied 11329 place count 394 transition count 1840
Partial Post-agglomeration rule applied 141 times.
Drop transitions removed 141 transitions
Iterating global reduction 21 with 141 rules applied. Total rules applied 11470 place count 394 transition count 1840
Applied a total of 11470 rules in 14273 ms. Remains 394 /4816 variables (removed 4422) and now considering 1840/12421 (removed 10581) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 1840 rows 394 cols
[2023-03-24 07:39:04] [INFO ] Computed 69 place invariants in 38 ms
[2023-03-24 07:39:04] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-24 07:39:04] [INFO ] [Real]Absence check using 8 positive and 61 generalized place invariants in 10 ms returned sat
[2023-03-24 07:39:04] [INFO ] After 84ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-24 07:39:04] [INFO ] [Nat]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-24 07:39:04] [INFO ] [Nat]Absence check using 8 positive and 61 generalized place invariants in 11 ms returned sat
[2023-03-24 07:39:05] [INFO ] After 484ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-24 07:39:05] [INFO ] After 640ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 96 ms.
[2023-03-24 07:39:05] [INFO ] After 827ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2023-03-24 07:39:05] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/ReachabilityFireability.sr.xml took 3 ms.
[2023-03-24 07:39:05] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 4816 places, 12421 transitions and 77134 arcs took 73 ms.
[2023-03-24 07:39:06] [INFO ] Flatten gal took : 913 ms
Total runtime 163957 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-sym model.pnml --lace-workers=4 --vset=lddmc --saturation=sat -rbs,w2W,ru,hf --sylvan-sizes=20,28,20,28 --inv-bin-par --invariant=/tmp/520/inv_0_ --invariant=/tmp/520/inv_1_ --inv-par
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393216 kB
MemFree: 8722544 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16065744 kB
BK_TIME_CONFINEMENT_REACHED
--------------------
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 ReachabilityFireability -timeout 360 -rebuildPNML
mcc2023
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="MultiCrashLeafsetExtension-PT-S24C09"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is MultiCrashLeafsetExtension-PT-S24C09, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r233-tall-167856419500863"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/MultiCrashLeafsetExtension-PT-S24C09.tgz
mv MultiCrashLeafsetExtension-PT-S24C09 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityFireability.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 '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;