Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r327-tall-167889200200914.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is RingSingleMessageInMbox-PT-d2m080, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r327-tall-167889200200914
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 102M
-rw-r--r-- 1 mcc users 8.1K Feb 26 05:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 05:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 05:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 05:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 16:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 16:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 05:56 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Feb 26 05:56 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 26 05:46 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Feb 26 05:46 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 16:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 102M Mar 5 18:23 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-00
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-01
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-02
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-03
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-04
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-05
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-06
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-07
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-08
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-09
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-10
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-11
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-12
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-13
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-14
FORMULA_NAME RingSingleMessageInMbox-PT-d2m080-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1679075519591

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=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=RingSingleMessageInMbox-PT-d2m080
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 17:52:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 17:52:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 17:52:04] [INFO ] Load time of PNML (sax parser for PT used): 3141 ms
[2023-03-17 17:52:05] [INFO ] Transformed 66950 places.
[2023-03-17 17:52:05] [INFO ] Transformed 213625 transitions.
[2023-03-17 17:52:05] [INFO ] Parsed PT model containing 66950 places and 213625 transitions and 854500 arcs in 3885 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 42 ms.
Deduced a syphon composed of 36863 places in 316 ms
Reduce places removed 36863 places and 0 transitions.
Support contains 85 out of 30087 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 30087/30087 places, 213625/213625 transitions.
Reduce places removed 35 places and 0 transitions.
Ensure Unique test removed 300 transitions
Reduce isomorphic transitions removed 300 transitions.
Iterating post reduction 0 with 335 rules applied. Total rules applied 335 place count 30052 transition count 213325
Discarding 251 places :
Symmetric choice reduction at 1 with 251 rule applications. Total rules 586 place count 29801 transition count 148364
Iterating global reduction 1 with 251 rules applied. Total rules applied 837 place count 29801 transition count 148364
Applied a total of 837 rules in 4598 ms. Remains 29801 /30087 variables (removed 286) and now considering 148364/213625 (removed 65261) transitions.
// Phase 1: matrix 148364 rows 29801 cols
[2023-03-17 17:53:51] [INFO ] Computed 3 place invariants in 99590 ms
[2023-03-17 17:53:53] [INFO ] Implicit Places using invariants in 102236 ms returned []
Implicit Place search using SMT only with invariants took 102263 ms to find 0 implicit places.
[2023-03-17 17:53:53] [INFO ] Invariant cache hit.
[2023-03-17 17:53:56] [INFO ] Dead Transitions using invariants and state equation in 2449 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 29801/30087 places, 148364/213625 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 109329 ms. Remains : 29801/30087 places, 148364/213625 transitions.
Support contains 85 out of 29801 places after structural reductions.
[2023-03-17 17:54:00] [INFO ] Flatten gal took : 3467 ms
[2023-03-17 17:54:03] [INFO ] Flatten gal took : 3243 ms
[2023-03-17 17:54:10] [INFO ] Input system was already deterministic with 148364 transitions.
Support contains 80 out of 29801 places (down from 85) after GAL structural reductions.
Incomplete random walk after 10000 steps, including 1447 resets, run finished after 27096 ms. (steps per millisecond=0 ) properties (out of 66) seen :39
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=20 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 65 ms. (steps per millisecond=15 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 59 ms. (steps per millisecond=16 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 57 ms. (steps per millisecond=17 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 38 ms. (steps per millisecond=26 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=21 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 52 ms. (steps per millisecond=19 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 47 ms. (steps per millisecond=21 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 125 ms. (steps per millisecond=8 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 36 ms. (steps per millisecond=27 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=18 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 82 ms. (steps per millisecond=12 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 93 ms. (steps per millisecond=10 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=14 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 66 ms. (steps per millisecond=15 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 37 ms. (steps per millisecond=27 ) properties (out of 27) seen :0
Running SMT prover for 27 properties.
[2023-03-17 17:54:39] [INFO ] Invariant cache hit.
[2023-03-17 17:54:53] [INFO ] [Real]Absence check using 2 positive place invariants in 123 ms returned sat
[2023-03-17 17:54:53] [INFO ] [Real]Absence check using 2 positive and 1 generalized place invariants in 196 ms returned sat
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")...
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.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:626)
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)
[2023-03-17 17:55:04] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 17:55:04] [INFO ] After 25031ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 27 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 40 out of 29801 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Graph (complete) has 207765 edges and 29801 vertex of which 29775 are kept as prefixes of interest. Removing 26 places using SCC suffix rule.235 ms
Discarding 26 places :
Also discarding 0 output transitions
Drop transitions removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 0 with 56 rules applied. Total rules applied 57 place count 29775 transition count 148308
Discarding 36 places :
Symmetric choice reduction at 1 with 36 rule applications. Total rules 93 place count 29739 transition count 82824
Iterating global reduction 1 with 36 rules applied. Total rules applied 129 place count 29739 transition count 82824
Applied a total of 129 rules in 4323 ms. Remains 29739 /29801 variables (removed 62) and now considering 82824/148364 (removed 65540) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4325 ms. Remains : 29739/29801 places, 82824/148364 transitions.
Incomplete random walk after 10000 steps, including 1477 resets, run finished after 8208 ms. (steps per millisecond=1 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 34 ms. (steps per millisecond=29 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 3 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 1 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 25) seen :0
Interrupted probabilistic random walk after 78719 steps, run timeout after 24001 ms. (steps per millisecond=3 ) properties seen :{5=1, 20=1}
Probabilistic random walk after 78719 steps, saw 45564 distinct states, run finished after 24002 ms. (steps per millisecond=3 ) properties seen :2
Running SMT prover for 23 properties.
// Phase 1: matrix 82824 rows 29739 cols
[2023-03-17 17:55:55] [INFO ] Computed 4 place invariants in 13649 ms
[2023-03-17 17:56:07] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 316 ms returned sat
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.solver.logic.AtomicReducerSR.checkAtomicPropositionsLogic(AtomicReducerSR.java:105)
at fr.lip6.move.gal.application.solver.logic.AtomicReducerSR.strongReductions(AtomicReducerSR.java:44)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.preSolveForLogic(LTLPropertySolver.java:176)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:626)
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)
[2023-03-17 17:56:20] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-17 17:56:20] [INFO ] After 25036ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 23 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 38 out of 29739 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29739/29739 places, 82824/82824 transitions.
Applied a total of 0 rules in 532 ms. Remains 29739 /29739 variables (removed 0) and now considering 82824/82824 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 533 ms. Remains : 29739/29739 places, 82824/82824 transitions.
Successfully simplified 2 atomic propositions for a total of 16 simplifications.
[2023-03-17 17:56:23] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2023-03-17 17:56:24] [INFO ] Flatten gal took : 2763 ms
FORMULA RingSingleMessageInMbox-PT-d2m080-CTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-17 17:56:27] [INFO ] Flatten gal took : 3017 ms
[2023-03-17 17:56:33] [INFO ] Input system was already deterministic with 148364 transitions.
Support contains 68 out of 29801 places (down from 75) after GAL structural reductions.
Computed a total of 14503 stabilizing places and 74596 stable transitions
Graph (complete) has 208106 edges and 29801 vertex of which 29800 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.313 ms
Starting structural reductions in SI_CTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 29747 transition count 50138
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 29747 transition count 50138
Applied a total of 108 rules in 2580 ms. Remains 29747 /29801 variables (removed 54) and now considering 50138/148364 (removed 98226) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2582 ms. Remains : 29747/29801 places, 50138/148364 transitions.
[2023-03-17 17:56:37] [INFO ] Flatten gal took : 1003 ms
[2023-03-17 17:56:38] [INFO ] Flatten gal took : 1155 ms
[2023-03-17 17:56:40] [INFO ] Input system was already deterministic with 50138 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 55 places :
Symmetric choice reduction at 0 with 55 rule applications. Total rules 55 place count 29746 transition count 48319
Iterating global reduction 0 with 55 rules applied. Total rules applied 110 place count 29746 transition count 48319
Applied a total of 110 rules in 2322 ms. Remains 29746 /29801 variables (removed 55) and now considering 48319/148364 (removed 100045) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2323 ms. Remains : 29746/29801 places, 48319/148364 transitions.
[2023-03-17 17:56:44] [INFO ] Flatten gal took : 994 ms
[2023-03-17 17:56:45] [INFO ] Flatten gal took : 1149 ms
[2023-03-17 17:56:47] [INFO ] Input system was already deterministic with 48319 transitions.
Finished random walk after 1046 steps, including 137 resets, run visited all 1 properties in 366 ms. (steps per millisecond=2 )
FORMULA RingSingleMessageInMbox-PT-d2m080-CTLFireability-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 29750 transition count 55595
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 29750 transition count 55595
Applied a total of 102 rules in 1907 ms. Remains 29750 /29801 variables (removed 51) and now considering 55595/148364 (removed 92769) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1909 ms. Remains : 29750/29801 places, 55595/148364 transitions.
[2023-03-17 17:56:51] [INFO ] Flatten gal took : 1061 ms
[2023-03-17 17:56:52] [INFO ] Flatten gal took : 1245 ms
[2023-03-17 17:56:55] [INFO ] Input system was already deterministic with 55595 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 29747 transition count 50138
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 29747 transition count 50138
Applied a total of 108 rules in 1965 ms. Remains 29747 /29801 variables (removed 54) and now considering 50138/148364 (removed 98226) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1967 ms. Remains : 29747/29801 places, 50138/148364 transitions.
[2023-03-17 17:56:59] [INFO ] Flatten gal took : 1102 ms
[2023-03-17 17:57:00] [INFO ] Flatten gal took : 1226 ms
[2023-03-17 17:57:02] [INFO ] Input system was already deterministic with 50138 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 29745 transition count 46500
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 29745 transition count 46500
Applied a total of 112 rules in 2246 ms. Remains 29745 /29801 variables (removed 56) and now considering 46500/148364 (removed 101864) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2248 ms. Remains : 29745/29801 places, 46500/148364 transitions.
[2023-03-17 17:57:06] [INFO ] Flatten gal took : 995 ms
[2023-03-17 17:57:07] [INFO ] Flatten gal took : 1076 ms
[2023-03-17 17:57:09] [INFO ] Input system was already deterministic with 46500 transitions.
Finished random walk after 2295 steps, including 327 resets, run visited all 1 properties in 844 ms. (steps per millisecond=2 )
FORMULA RingSingleMessageInMbox-PT-d2m080-CTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 52 places :
Symmetric choice reduction at 0 with 52 rule applications. Total rules 52 place count 29749 transition count 53776
Iterating global reduction 0 with 52 rules applied. Total rules applied 104 place count 29749 transition count 53776
Applied a total of 104 rules in 1824 ms. Remains 29749 /29801 variables (removed 52) and now considering 53776/148364 (removed 94588) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1825 ms. Remains : 29749/29801 places, 53776/148364 transitions.
[2023-03-17 17:57:13] [INFO ] Flatten gal took : 1155 ms
[2023-03-17 17:57:14] [INFO ] Flatten gal took : 1246 ms
[2023-03-17 17:57:16] [INFO ] Input system was already deterministic with 53776 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 54 places :
Symmetric choice reduction at 0 with 54 rule applications. Total rules 54 place count 29747 transition count 50138
Iterating global reduction 0 with 54 rules applied. Total rules applied 108 place count 29747 transition count 50138
Applied a total of 108 rules in 2381 ms. Remains 29747 /29801 variables (removed 54) and now considering 50138/148364 (removed 98226) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2384 ms. Remains : 29747/29801 places, 50138/148364 transitions.
[2023-03-17 17:57:20] [INFO ] Flatten gal took : 1021 ms
[2023-03-17 17:57:21] [INFO ] Flatten gal took : 1186 ms
[2023-03-17 17:57:23] [INFO ] Input system was already deterministic with 50138 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 55 places :
Symmetric choice reduction at 0 with 55 rule applications. Total rules 55 place count 29746 transition count 48319
Iterating global reduction 0 with 55 rules applied. Total rules applied 110 place count 29746 transition count 48319
Applied a total of 110 rules in 1750 ms. Remains 29746 /29801 variables (removed 55) and now considering 48319/148364 (removed 100045) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1752 ms. Remains : 29746/29801 places, 48319/148364 transitions.
[2023-03-17 17:57:26] [INFO ] Flatten gal took : 993 ms
[2023-03-17 17:57:28] [INFO ] Flatten gal took : 1156 ms
[2023-03-17 17:57:30] [INFO ] Input system was already deterministic with 48319 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 55 places :
Symmetric choice reduction at 0 with 55 rule applications. Total rules 55 place count 29746 transition count 48319
Iterating global reduction 0 with 55 rules applied. Total rules applied 110 place count 29746 transition count 48319
Applied a total of 110 rules in 2343 ms. Remains 29746 /29801 variables (removed 55) and now considering 48319/148364 (removed 100045) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2344 ms. Remains : 29746/29801 places, 48319/148364 transitions.
[2023-03-17 17:57:33] [INFO ] Flatten gal took : 984 ms
[2023-03-17 17:57:34] [INFO ] Flatten gal took : 1142 ms
[2023-03-17 17:57:37] [INFO ] Input system was already deterministic with 48319 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 51 places :
Symmetric choice reduction at 0 with 51 rule applications. Total rules 51 place count 29750 transition count 55595
Iterating global reduction 0 with 51 rules applied. Total rules applied 102 place count 29750 transition count 55595
Applied a total of 102 rules in 1910 ms. Remains 29750 /29801 variables (removed 51) and now considering 55595/148364 (removed 92769) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1911 ms. Remains : 29750/29801 places, 55595/148364 transitions.
[2023-03-17 17:57:40] [INFO ] Flatten gal took : 1267 ms
[2023-03-17 17:57:41] [INFO ] Flatten gal took : 1292 ms
[2023-03-17 17:57:44] [INFO ] Input system was already deterministic with 55595 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 56 places :
Symmetric choice reduction at 0 with 56 rule applications. Total rules 56 place count 29745 transition count 46500
Iterating global reduction 0 with 56 rules applied. Total rules applied 112 place count 29745 transition count 46500
Applied a total of 112 rules in 1750 ms. Remains 29745 /29801 variables (removed 56) and now considering 46500/148364 (removed 101864) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1751 ms. Remains : 29745/29801 places, 46500/148364 transitions.
[2023-03-17 17:57:46] [INFO ] Flatten gal took : 950 ms
[2023-03-17 17:57:48] [INFO ] Flatten gal took : 1212 ms
[2023-03-17 17:57:50] [INFO ] Input system was already deterministic with 46500 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 55 places :
Symmetric choice reduction at 0 with 55 rule applications. Total rules 55 place count 29746 transition count 48319
Iterating global reduction 0 with 55 rules applied. Total rules applied 110 place count 29746 transition count 48319
Applied a total of 110 rules in 1783 ms. Remains 29746 /29801 variables (removed 55) and now considering 48319/148364 (removed 100045) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1784 ms. Remains : 29746/29801 places, 48319/148364 transitions.
[2023-03-17 17:57:53] [INFO ] Flatten gal took : 1002 ms
[2023-03-17 17:57:54] [INFO ] Flatten gal took : 1181 ms
[2023-03-17 17:57:56] [INFO ] Input system was already deterministic with 48319 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 46 places :
Symmetric choice reduction at 0 with 46 rule applications. Total rules 46 place count 29755 transition count 64690
Iterating global reduction 0 with 46 rules applied. Total rules applied 92 place count 29755 transition count 64690
Applied a total of 92 rules in 1917 ms. Remains 29755 /29801 variables (removed 46) and now considering 64690/148364 (removed 83674) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1918 ms. Remains : 29755/29801 places, 64690/148364 transitions.
[2023-03-17 17:58:00] [INFO ] Flatten gal took : 1236 ms
[2023-03-17 17:58:01] [INFO ] Flatten gal took : 1426 ms
[2023-03-17 17:58:04] [INFO ] Input system was already deterministic with 64690 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 43 places :
Symmetric choice reduction at 0 with 43 rule applications. Total rules 43 place count 29758 transition count 70147
Iterating global reduction 0 with 43 rules applied. Total rules applied 86 place count 29758 transition count 70147
Applied a total of 86 rules in 1919 ms. Remains 29758 /29801 variables (removed 43) and now considering 70147/148364 (removed 78217) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1920 ms. Remains : 29758/29801 places, 70147/148364 transitions.
[2023-03-17 17:58:07] [INFO ] Flatten gal took : 1359 ms
[2023-03-17 17:58:09] [INFO ] Flatten gal took : 1592 ms
[2023-03-17 17:58:12] [INFO ] Input system was already deterministic with 70147 transitions.
Starting structural reductions in LTL mode, iteration 0 : 29801/29801 places, 148364/148364 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 29753 transition count 61052
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 29753 transition count 61052
Applied a total of 96 rules in 1924 ms. Remains 29753 /29801 variables (removed 48) and now considering 61052/148364 (removed 87312) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1925 ms. Remains : 29753/29801 places, 61052/148364 transitions.
[2023-03-17 17:58:15] [INFO ] Flatten gal took : 1189 ms
[2023-03-17 17:58:16] [INFO ] Flatten gal took : 1398 ms
[2023-03-17 17:58:19] [INFO ] Input system was already deterministic with 61052 transitions.
[2023-03-17 17:58:22] [INFO ] Flatten gal took : 3039 ms
[2023-03-17 17:58:25] [INFO ] Flatten gal took : 2981 ms
[2023-03-17 17:58:25] [INFO ] Export to MCC of 13 properties in file /home/mcc/execution/CTLFireability.sr.xml took 2 ms.
[2023-03-17 17:58:26] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 29801 places, 148364 transitions and 593335 arcs took 298 ms.
Total runtime 384406 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT RingSingleMessageInMbox-PT-d2m080
BK_EXAMINATION: CTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
CTLFireability
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16393232 kB
MemFree: 2043092 kB
After kill :
MemTotal: 16393232 kB
MemFree: 15895356 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 CTLFireability -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/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/CTLFireability.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:550
lola: rewrite Frontend/Parser/formula_rewrite.k:250
lola: rewrite Frontend/Parser/formula_rewrite.k:472
lola: rewrite Frontend/Parser/formula_rewrite.k:250
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:547
lola: RELEASE
lola: RELEASE
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:331
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:478
lola: rewrite Frontend/Parser/formula_rewrite.k:448
lola: rewrite Frontend/Parser/formula_rewrite.k:250
lola: rewrite Frontend/Parser/formula_rewrite.k:253
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: RELEASE
lola: RELEASE
lola: caught signal Terminated - aborting LoLA

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
RingSingleMessageInMbox-PT-d2m080-CTLFireability-00: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-02: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-03: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-05: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-06: DISJ unknown DISJ
RingSingleMessageInMbox-PT-d2m080-CTLFireability-07: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-08: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-09: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-11: DISJ unknown DISJ
RingSingleMessageInMbox-PT-d2m080-CTLFireability-12: CTL unknown AGGR
RingSingleMessageInMbox-PT-d2m080-CTLFireability-13: CTL unknown AGGR


Time elapsed: 3202 secs. Pages in use: 0

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="RingSingleMessageInMbox-PT-d2m080"
export BK_EXAMINATION="CTLFireability"
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 RingSingleMessageInMbox-PT-d2m080, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r327-tall-167889200200914"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/RingSingleMessageInMbox-PT-d2m080.tgz
mv RingSingleMessageInMbox-PT-d2m080 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;