About the Execution of LTSMin+red for Philosophers-PT-002000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16159.596 | 416716.00 | 743489.00 | 8318.90 | T??????????????? | 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.r297-tall-167873950200250.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 Philosophers-PT-002000, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950200250
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 77M
-rw-r--r-- 1 mcc users 2.1M Feb 25 16:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 11M Feb 25 16:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Feb 25 14:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.8M Feb 25 14:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 1.1M Feb 25 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 3.7M Feb 25 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 702K Feb 25 16:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 3.1M Feb 25 16:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4M Feb 25 20:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17M Feb 25 20:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8M Feb 25 18:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17M Feb 25 18:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 197K Feb 25 16:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 527K Feb 25 16:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 4.5M 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 Philosophers-PT-002000-CTLFireability-00
FORMULA_NAME Philosophers-PT-002000-CTLFireability-01
FORMULA_NAME Philosophers-PT-002000-CTLFireability-02
FORMULA_NAME Philosophers-PT-002000-CTLFireability-03
FORMULA_NAME Philosophers-PT-002000-CTLFireability-04
FORMULA_NAME Philosophers-PT-002000-CTLFireability-05
FORMULA_NAME Philosophers-PT-002000-CTLFireability-06
FORMULA_NAME Philosophers-PT-002000-CTLFireability-07
FORMULA_NAME Philosophers-PT-002000-CTLFireability-08
FORMULA_NAME Philosophers-PT-002000-CTLFireability-09
FORMULA_NAME Philosophers-PT-002000-CTLFireability-10
FORMULA_NAME Philosophers-PT-002000-CTLFireability-11
FORMULA_NAME Philosophers-PT-002000-CTLFireability-12
FORMULA_NAME Philosophers-PT-002000-CTLFireability-13
FORMULA_NAME Philosophers-PT-002000-CTLFireability-14
FORMULA_NAME Philosophers-PT-002000-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1679472297706
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=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-002000
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 08:04:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-22 08:04:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 08:05:00] [INFO ] Load time of PNML (sax parser for PT used): 341 ms
[2023-03-22 08:05:00] [INFO ] Transformed 10000 places.
[2023-03-22 08:05:00] [INFO ] Transformed 10000 transitions.
[2023-03-22 08:05:00] [INFO ] Parsed PT model containing 10000 places and 10000 transitions and 32000 arcs in 485 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 306 ms.
Support contains 10000 out of 10000 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 69 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
// Phase 1: matrix 10000 rows 10000 cols
[2023-03-22 08:05:03] [INFO ] Computed 4000 place invariants in 81 ms
[2023-03-22 08:05:04] [INFO ] Implicit Places using invariants in 1123 ms returned []
Implicit Place search using SMT only with invariants took 1156 ms to find 0 implicit places.
[2023-03-22 08:05:04] [INFO ] Invariant cache hit.
[2023-03-22 08:05:05] [INFO ] Dead Transitions using invariants and state equation in 1222 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2453 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Support contains 10000 out of 10000 places after structural reductions.
[2023-03-22 08:05:07] [INFO ] Flatten gal took : 954 ms
[2023-03-22 08:05:14] [INFO ] Flatten gal took : 951 ms
[2023-03-22 08:05:21] [INFO ] Input system was already deterministic with 10000 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 4360 ms. (steps per millisecond=2 ) properties (out of 67) seen :47
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 539 ms. (steps per millisecond=1 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 517 ms. (steps per millisecond=1 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 1029 ms. (steps per millisecond=0 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 526 ms. (steps per millisecond=1 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 832 ms. (steps per millisecond=1 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 413 ms. (steps per millisecond=2 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 885 ms. (steps per millisecond=1 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 576 ms. (steps per millisecond=1 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 72 ms. (steps per millisecond=13 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 71 ms. (steps per millisecond=14 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 72 ms. (steps per millisecond=13 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 70 ms. (steps per millisecond=14 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 70 ms. (steps per millisecond=14 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 69 ms. (steps per millisecond=14 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 70 ms. (steps per millisecond=14 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 85 ms. (steps per millisecond=11 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 68 ms. (steps per millisecond=14 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 66 ms. (steps per millisecond=15 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 63 ms. (steps per millisecond=15 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 20) seen :0
Running SMT prover for 20 properties.
[2023-03-22 08:05:32] [INFO ] Invariant cache hit.
[2023-03-22 08:06:13] [INFO ] [Real]Absence check using 4000 positive place invariants in 1463 ms returned sat
[2023-03-22 08:06:19] [INFO ] After 20619ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:20
[2023-03-22 08:06:32] [INFO ] [Nat]Absence check using 4000 positive place invariants in 1735 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: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.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)
[2023-03-22 08:06:46] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-22 08:06:46] [INFO ] After 26329ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:20
Fused 20 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 10000 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 678 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 682 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 4373 ms. (steps per millisecond=2 ) properties (out of 20) seen :4
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 533 ms. (steps per millisecond=1 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 563 ms. (steps per millisecond=1 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 1102 ms. (steps per millisecond=0 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 569 ms. (steps per millisecond=1 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 863 ms. (steps per millisecond=1 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 406 ms. (steps per millisecond=2 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 927 ms. (steps per millisecond=1 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 564 ms. (steps per millisecond=1 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 63 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 63 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 1001 steps, including 0 resets, run finished after 64 ms. (steps per millisecond=15 ) properties (out of 16) seen :0
Running SMT prover for 16 properties.
[2023-03-22 08:06:57] [INFO ] Invariant cache hit.
[2023-03-22 08:07:42] [INFO ] [Real]Absence check using 4000 positive place invariants in 1878 ms returned sat
[2023-03-22 08:07:47] [INFO ] After 18340ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-22 08:07:59] [INFO ] [Nat]Absence check using 4000 positive place invariants in 1501 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: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.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)
[2023-03-22 08:08:13] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-22 08:08:13] [INFO ] After 25225ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:16
Fused 16 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 10000 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 99 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 100 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:08:16] [INFO ] Flatten gal took : 612 ms
[2023-03-22 08:08:22] [INFO ] Flatten gal took : 981 ms
[2023-03-22 08:08:29] [INFO ] Input system was already deterministic with 10000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in SI_CTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1067 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1070 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:08:32] [INFO ] Flatten gal took : 284 ms
[2023-03-22 08:08:32] [INFO ] Flatten gal took : 282 ms
[2023-03-22 08:08:33] [INFO ] Input system was already deterministic with 10000 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 3696 ms. (steps per millisecond=2 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 4945 ms. (steps per millisecond=2 ) properties (out of 1) seen :0
Probabilistic random walk after 256991 steps, saw 256893 distinct states, run finished after 24039 ms. (steps per millisecond=10 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-22 08:09:05] [INFO ] Invariant cache hit.
[2023-03-22 08:09:10] [INFO ] [Real]Absence check using 4000 positive place invariants in 1488 ms returned sat
[2023-03-22 08:09:10] [INFO ] After 3059ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-22 08:09:13] [INFO ] [Nat]Absence check using 4000 positive place invariants in 1564 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.checkResults(DeadlockTester.java:797)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:631)
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:669)
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)
[2023-03-22 08:09:35] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-22 08:09:35] [INFO ] After 25111ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:1
Parikh walk visited 0 properties in 0 ms.
Support contains 4000 out of 10000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1036 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1036 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Finished random walk after 170241 steps, including 0 resets, run visited all 1 properties in 14213 ms. (steps per millisecond=11 )
FORMULA Philosophers-PT-002000-CTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
Starting structural reductions in SI_CTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1017 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 1017 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:09:52] [INFO ] Flatten gal took : 269 ms
[2023-03-22 08:09:52] [INFO ] Flatten gal took : 300 ms
[2023-03-22 08:09:53] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 259 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 261 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:09:54] [INFO ] Flatten gal took : 305 ms
[2023-03-22 08:09:54] [INFO ] Flatten gal took : 392 ms
[2023-03-22 08:09:55] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 926 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 930 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:09:56] [INFO ] Flatten gal took : 249 ms
[2023-03-22 08:09:57] [INFO ] Flatten gal took : 291 ms
[2023-03-22 08:09:57] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 22 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 23 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:09:58] [INFO ] Flatten gal took : 326 ms
[2023-03-22 08:09:58] [INFO ] Flatten gal took : 440 ms
[2023-03-22 08:09:59] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 18 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 19 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:00] [INFO ] Flatten gal took : 289 ms
[2023-03-22 08:10:00] [INFO ] Flatten gal took : 376 ms
[2023-03-22 08:10:01] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 92 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 94 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:02] [INFO ] Flatten gal took : 301 ms
[2023-03-22 08:10:03] [INFO ] Flatten gal took : 389 ms
[2023-03-22 08:10:04] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 40 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 41 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:04] [INFO ] Flatten gal took : 341 ms
[2023-03-22 08:10:05] [INFO ] Flatten gal took : 429 ms
[2023-03-22 08:10:06] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Performed 1998 Post agglomeration using F-continuation condition.Transition count delta: 1998
Deduced a syphon composed of 1998 places in 2 ms
Reduce places removed 1998 places and 0 transitions.
Iterating global reduction 0 with 3996 rules applied. Total rules applied 3996 place count 8002 transition count 8002
Applied a total of 3996 rules in 2769 ms. Remains 8002 /10000 variables (removed 1998) and now considering 8002/10000 (removed 1998) transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 2769 ms. Remains : 8002/10000 places, 8002/10000 transitions.
[2023-03-22 08:10:09] [INFO ] Flatten gal took : 196 ms
[2023-03-22 08:10:09] [INFO ] Flatten gal took : 217 ms
[2023-03-22 08:10:09] [INFO ] Input system was already deterministic with 8002 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1040 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1042 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:11] [INFO ] Flatten gal took : 255 ms
[2023-03-22 08:10:11] [INFO ] Flatten gal took : 275 ms
[2023-03-22 08:10:12] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1233 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1237 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:13] [INFO ] Flatten gal took : 249 ms
[2023-03-22 08:10:13] [INFO ] Flatten gal took : 280 ms
[2023-03-22 08:10:14] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1003 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1006 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:15] [INFO ] Flatten gal took : 249 ms
[2023-03-22 08:10:16] [INFO ] Flatten gal took : 270 ms
[2023-03-22 08:10:16] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1033 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1036 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:17] [INFO ] Flatten gal took : 234 ms
[2023-03-22 08:10:18] [INFO ] Flatten gal took : 265 ms
[2023-03-22 08:10:18] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1025 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1025 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:19] [INFO ] Flatten gal took : 251 ms
[2023-03-22 08:10:20] [INFO ] Flatten gal took : 259 ms
[2023-03-22 08:10:20] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1220 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1221 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:22] [INFO ] Flatten gal took : 224 ms
[2023-03-22 08:10:22] [INFO ] Flatten gal took : 261 ms
[2023-03-22 08:10:23] [INFO ] Input system was already deterministic with 10000 transitions.
Starting structural reductions in LTL mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Applied a total of 0 rules in 1031 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1031 ms. Remains : 10000/10000 places, 10000/10000 transitions.
[2023-03-22 08:10:24] [INFO ] Flatten gal took : 232 ms
[2023-03-22 08:10:24] [INFO ] Flatten gal took : 261 ms
[2023-03-22 08:10:25] [INFO ] Input system was already deterministic with 10000 transitions.
[2023-03-22 08:10:26] [INFO ] Flatten gal took : 921 ms
[2023-03-22 08:10:32] [INFO ] Flatten gal took : 971 ms
[2023-03-22 08:10:38] [INFO ] Export to MCC of 15 properties in file /home/mcc/execution/CTLFireability.sr.xml took 213 ms.
[2023-03-22 08:10:38] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 10000 places, 10000 transitions and 32000 arcs took 44 ms.
Total runtime 338623 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 --ctl=/tmp/513/ctl_0_ --ctl=/tmp/513/ctl_1_ --ctl=/tmp/513/ctl_2_ --ctl=/tmp/513/ctl_3_ --ctl=/tmp/513/ctl_4_ --ctl=/tmp/513/ctl_5_ --ctl=/tmp/513/ctl_6_ --ctl=/tmp/513/ctl_7_ --ctl=/tmp/513/ctl_8_ --ctl=/tmp/513/ctl_9_ --ctl=/tmp/513/ctl_10_ --ctl=/tmp/513/ctl_11_ --ctl=/tmp/513/ctl_12_ --ctl=/tmp/513/ctl_13_ --ctl=/tmp/513/ctl_14_ --mu-par --mu-opt
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-01
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-02
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-03
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-04
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-05
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-06
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-07
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-08
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-09
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-10
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-11
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-12
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-13
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-14
Could not compute solution for formula : Philosophers-PT-002000-CTLFireability-15
BK_STOP 1679472714422
--------------------
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
mcc2023
ctl formula name Philosophers-PT-002000-CTLFireability-01
ctl formula formula --ctl=/tmp/513/ctl_0_
ctl formula name Philosophers-PT-002000-CTLFireability-02
ctl formula formula --ctl=/tmp/513/ctl_1_
ctl formula name Philosophers-PT-002000-CTLFireability-03
ctl formula formula --ctl=/tmp/513/ctl_2_
ctl formula name Philosophers-PT-002000-CTLFireability-04
ctl formula formula --ctl=/tmp/513/ctl_3_
ctl formula name Philosophers-PT-002000-CTLFireability-05
ctl formula formula --ctl=/tmp/513/ctl_4_
ctl formula name Philosophers-PT-002000-CTLFireability-06
ctl formula formula --ctl=/tmp/513/ctl_5_
ctl formula name Philosophers-PT-002000-CTLFireability-07
ctl formula formula --ctl=/tmp/513/ctl_6_
ctl formula name Philosophers-PT-002000-CTLFireability-08
ctl formula formula --ctl=/tmp/513/ctl_7_
ctl formula name Philosophers-PT-002000-CTLFireability-09
ctl formula formula --ctl=/tmp/513/ctl_8_
ctl formula name Philosophers-PT-002000-CTLFireability-10
ctl formula formula --ctl=/tmp/513/ctl_9_
ctl formula name Philosophers-PT-002000-CTLFireability-11
ctl formula formula --ctl=/tmp/513/ctl_10_
ctl formula name Philosophers-PT-002000-CTLFireability-12
ctl formula formula --ctl=/tmp/513/ctl_11_
ctl formula name Philosophers-PT-002000-CTLFireability-13
ctl formula formula --ctl=/tmp/513/ctl_12_
ctl formula name Philosophers-PT-002000-CTLFireability-14
ctl formula formula --ctl=/tmp/513/ctl_13_
ctl formula name Philosophers-PT-002000-CTLFireability-15
ctl formula formula --ctl=/tmp/513/ctl_14_
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 10000 places, 10000 transitions and 32000 arcs
pnml2lts-sym: Petri net Petri analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.160 real 0.080 user 0.080 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 10000->10000 groups
pnml2lts-sym: Regrouping took 30.180 real 29.840 user 0.330 sys
pnml2lts-sym: state vector length is 10000; there are 10000 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: parsing CTL formula
pnml2lts-sym: converting CTL to mu-calculus...
pnml2lts-sym: Exploration took 83969 group checks and 0 next state calls
pnml2lts-sym: reachability took 14.590 real 58.280 user 0.020 sys
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.090 real 0.340 user 0.010 sys
pnml2lts-sym: state space has 1.74787125172265161e+954 states, 78600 nodes
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
pnml2lts-sym: vset_sylvan: starting garbage collection
pnml2lts-sym: vset_sylvan: garbage collection done
corrupted size vs. prev_size
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="Philosophers-PT-002000"
export BK_EXAMINATION="CTLFireability"
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 Philosophers-PT-002000, 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 r297-tall-167873950200250"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-002000.tgz
mv Philosophers-PT-002000 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 '
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 ;