Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r046-smll-165252115800109.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-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 2-4028
Executing tool gold2021
Input is CloudReconfiguration-PT-311, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r046-smll-165252115800109
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 880K
-rw-r--r-- 1 mcc users 6.2K Apr 29 14:33 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Apr 29 14:33 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Apr 29 14:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Apr 29 14:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K May 9 07:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 9 07:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 9 07:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 07:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 07:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 9 07:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:33 equiv_col
-rw-r--r-- 1 mcc users 4 May 10 09:33 instance
-rw-r--r-- 1 mcc users 6 May 10 09:33 iscolored
-rw-r--r-- 1 mcc users 660K May 10 09:33 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-00
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-01
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-02
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-03
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-04
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-05
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-06
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-07
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-08
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-09
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-10
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-11
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-12
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-13
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-14
FORMULA_NAME CloudReconfiguration-PT-311-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1652525052106

Running Version 0
[2022-05-14 10:44:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-14 10:44:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-14 10:44:15] [INFO ] Load time of PNML (sax parser for PT used): 305 ms
[2022-05-14 10:44:15] [INFO ] Transformed 2585 places.
[2022-05-14 10:44:15] [INFO ] Transformed 3095 transitions.
[2022-05-14 10:44:15] [INFO ] Found NUPN structural information;
[2022-05-14 10:44:15] [INFO ] Parsed PT model containing 2585 places and 3095 transitions in 401 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 10 ms.
// Phase 1: matrix 3095 rows 2585 cols
[2022-05-14 10:44:15] [INFO ] Computed 4 place invariants in 63 ms
Incomplete random walk after 10000 steps, including 101 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 16) seen :2
FORMULA CloudReconfiguration-PT-311-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 33 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 14) seen :0
Incomplete Best-First random walk after 10000 steps, including 36 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 14) seen :1
FORMULA CloudReconfiguration-PT-311-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10001 steps, including 36 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10001 steps, including 30 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10000 steps, including 35 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 10000 steps, including 41 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 13) seen :1
FORMULA CloudReconfiguration-PT-311-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
Incomplete Best-First random walk after 10000 steps, including 35 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 39 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 30 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 36 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 32 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 35 resets, run finished after 14 ms. (steps per millisecond=714 ) properties (out of 12) seen :0
// Phase 1: matrix 3095 rows 2585 cols
[2022-05-14 10:44:15] [INFO ] Computed 4 place invariants in 58 ms
[2022-05-14 10:44:16] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 75 ms returned sat
[2022-05-14 10:44:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:18] [INFO ] [Real]Absence check using state equation in 1934 ms returned sat
[2022-05-14 10:44:19] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:44:19] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 73 ms returned sat
[2022-05-14 10:44:19] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:21] [INFO ] [Nat]Absence check using state equation in 1791 ms returned sat
[2022-05-14 10:44:22] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 254 ms.
[2022-05-14 10:44:24] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
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:240)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:858)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:595)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2244)
at fr.lip6.move.gal.application.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:187)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:428)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
[2022-05-14 10:44:24] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 106 ms returned sat
[2022-05-14 10:44:24] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:27] [INFO ] [Real]Absence check using state equation in 2296 ms returned sat
[2022-05-14 10:44:27] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:44:28] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 94 ms returned sat
[2022-05-14 10:44:28] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:30] [INFO ] [Nat]Absence check using state equation in 1939 ms returned sat
[2022-05-14 10:44:30] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 335 ms.
[2022-05-14 10:44:32] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
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:240)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:858)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:595)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2244)
at fr.lip6.move.gal.application.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:187)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:428)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
[2022-05-14 10:44:33] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 69 ms returned sat
[2022-05-14 10:44:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:35] [INFO ] [Real]Absence check using state equation in 2302 ms returned sat
[2022-05-14 10:44:35] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:44:36] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 82 ms returned sat
[2022-05-14 10:44:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:38] [INFO ] [Nat]Absence check using state equation in 2675 ms returned sat
[2022-05-14 10:44:39] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 203 ms.
[2022-05-14 10:44:40] [INFO ] Added : 25 causal constraints over 5 iterations in 1521 ms. Result :unknown
[2022-05-14 10:44:41] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 72 ms returned sat
[2022-05-14 10:44:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:43] [INFO ] [Real]Absence check using state equation in 2124 ms returned sat
[2022-05-14 10:44:43] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:44:44] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 74 ms returned sat
[2022-05-14 10:44:44] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:46] [INFO ] [Nat]Absence check using state equation in 1845 ms returned sat
[2022-05-14 10:44:46] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 202 ms.
[2022-05-14 10:44:48] [INFO ] Added : 45 causal constraints over 9 iterations in 2532 ms. Result :unknown
[2022-05-14 10:44:49] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 71 ms returned sat
[2022-05-14 10:44:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:51] [INFO ] [Real]Absence check using state equation in 2044 ms returned sat
[2022-05-14 10:44:51] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:44:52] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 82 ms returned sat
[2022-05-14 10:44:52] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:54] [INFO ] [Nat]Absence check using state equation in 2130 ms returned sat
[2022-05-14 10:44:55] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 206 ms.
[2022-05-14 10:44:57] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 4
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:240)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:858)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:595)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2244)
at fr.lip6.move.gal.application.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:187)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:428)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
[2022-05-14 10:44:57] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 73 ms returned sat
[2022-05-14 10:44:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:44:59] [INFO ] [Real]Absence check using state equation in 2036 ms returned sat
[2022-05-14 10:45:00] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:00] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 115 ms returned sat
[2022-05-14 10:45:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:02] [INFO ] [Nat]Absence check using state equation in 2139 ms returned sat
[2022-05-14 10:45:03] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 184 ms.
[2022-05-14 10:45:05] [INFO ] Added : 40 causal constraints over 8 iterations in 2096 ms. Result :unknown
[2022-05-14 10:45:05] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 66 ms returned sat
[2022-05-14 10:45:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:07] [INFO ] [Real]Absence check using state equation in 1810 ms returned sat
[2022-05-14 10:45:07] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:08] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 79 ms returned sat
[2022-05-14 10:45:08] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:10] [INFO ] [Nat]Absence check using state equation in 1860 ms returned sat
[2022-05-14 10:45:10] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 163 ms.
[2022-05-14 10:45:12] [INFO ] Added : 50 causal constraints over 10 iterations in 2518 ms. Result :unknown
[2022-05-14 10:45:13] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 107 ms returned sat
[2022-05-14 10:45:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:15] [INFO ] [Real]Absence check using state equation in 2167 ms returned sat
[2022-05-14 10:45:16] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:16] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 71 ms returned sat
[2022-05-14 10:45:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:18] [INFO ] [Nat]Absence check using state equation in 2286 ms returned sat
[2022-05-14 10:45:19] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 161 ms.
[2022-05-14 10:45:21] [INFO ] Added : 40 causal constraints over 8 iterations in 2100 ms. Result :unknown
[2022-05-14 10:45:21] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 67 ms returned sat
[2022-05-14 10:45:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:23] [INFO ] [Real]Absence check using state equation in 1752 ms returned sat
[2022-05-14 10:45:23] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:24] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 72 ms returned sat
[2022-05-14 10:45:24] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:26] [INFO ] [Nat]Absence check using state equation in 2014 ms returned sat
[2022-05-14 10:45:26] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 192 ms.
[2022-05-14 10:45:28] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 8
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:240)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:858)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:595)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2244)
at fr.lip6.move.gal.application.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:187)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:428)
at fr.lip6.move.gal.application.Application.start(Application.java:140)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:43)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401)
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:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:653)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:590)
at org.eclipse.equinox.launcher.Main.run(Main.java:1461)
at org.eclipse.equinox.launcher.Main.main(Main.java:1434)
[2022-05-14 10:45:29] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 66 ms returned sat
[2022-05-14 10:45:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:31] [INFO ] [Real]Absence check using state equation in 1685 ms returned sat
[2022-05-14 10:45:31] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:32] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 106 ms returned sat
[2022-05-14 10:45:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:33] [INFO ] [Nat]Absence check using state equation in 1966 ms returned sat
[2022-05-14 10:45:34] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 228 ms.
[2022-05-14 10:45:36] [INFO ] Added : 35 causal constraints over 7 iterations in 2318 ms. Result :unknown
[2022-05-14 10:45:37] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 70 ms returned sat
[2022-05-14 10:45:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:38] [INFO ] [Real]Absence check using state equation in 1788 ms returned sat
[2022-05-14 10:45:39] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:39] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 70 ms returned sat
[2022-05-14 10:45:39] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:41] [INFO ] [Nat]Absence check using state equation in 1936 ms returned sat
[2022-05-14 10:45:41] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 236 ms.
[2022-05-14 10:45:44] [INFO ] Added : 40 causal constraints over 8 iterations in 2480 ms. Result :unknown
[2022-05-14 10:45:44] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 82 ms returned sat
[2022-05-14 10:45:44] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:46] [INFO ] [Real]Absence check using state equation in 1760 ms returned sat
[2022-05-14 10:45:46] [INFO ] Solution in real domain found non-integer solution.
[2022-05-14 10:45:47] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 102 ms returned sat
[2022-05-14 10:45:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-14 10:45:49] [INFO ] [Nat]Absence check using state equation in 2077 ms returned sat
[2022-05-14 10:45:50] [INFO ] Computed and/alt/rep : 3086/3793/3086 causal constraints (skipped 8 transitions) in 291 ms.
[2022-05-14 10:45:51] [INFO ] Added : 35 causal constraints over 7 iterations in 2144 ms. Result :unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] Max seen :[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
Support contains 12 out of 2585 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2585/2585 places, 3095/3095 transitions.
Graph (trivial) has 2933 edges and 2585 vertex of which 881 / 2585 are part of one of the 63 SCC in 37 ms
Free SCC test removed 818 places
Drop transitions removed 998 transitions
Reduce isomorphic transitions removed 998 transitions.
Graph (complete) has 2377 edges and 1767 vertex of which 1753 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.14 ms
Discarding 14 places :
Also discarding 9 output transitions
Drop transitions removed 9 transitions
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Drop transitions removed 1173 transitions
Trivial Post-agglo rules discarded 1173 transitions
Performed 1173 trivial Post agglomeration. Transition count delta: 1173
Iterating post reduction 0 with 1182 rules applied. Total rules applied 1184 place count 1753 transition count 906
Reduce places removed 1173 places and 0 transitions.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions removed 62 transitions
Trivial Post-agglo rules discarded 62 transitions
Performed 62 trivial Post agglomeration. Transition count delta: 62
Iterating post reduction 1 with 1311 rules applied. Total rules applied 2495 place count 580 transition count 768
Reduce places removed 62 places and 0 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 71 rules applied. Total rules applied 2566 place count 518 transition count 759
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 3 with 6 rules applied. Total rules applied 2572 place count 515 transition count 756
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 4 rules applied. Total rules applied 2576 place count 513 transition count 754
Reduce places removed 1 places and 0 transitions.
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Iterating post reduction 5 with 6 rules applied. Total rules applied 2582 place count 512 transition count 749
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 6 with 5 rules applied. Total rules applied 2587 place count 507 transition count 749
Performed 22 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 7 with 22 Pre rules applied. Total rules applied 2587 place count 507 transition count 727
Deduced a syphon composed of 22 places in 2 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 7 with 44 rules applied. Total rules applied 2631 place count 485 transition count 727
Discarding 79 places :
Symmetric choice reduction at 7 with 79 rule applications. Total rules 2710 place count 406 transition count 648
Iterating global reduction 7 with 79 rules applied. Total rules applied 2789 place count 406 transition count 648
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 7 with 2 rules applied. Total rules applied 2791 place count 406 transition count 646
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 2792 place count 405 transition count 646
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 9 with 9 Pre rules applied. Total rules applied 2792 place count 405 transition count 637
Deduced a syphon composed of 9 places in 3 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 9 with 18 rules applied. Total rules applied 2810 place count 396 transition count 637
Discarding 59 places :
Symmetric choice reduction at 9 with 59 rule applications. Total rules 2869 place count 337 transition count 578
Iterating global reduction 9 with 59 rules applied. Total rules applied 2928 place count 337 transition count 578
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 9 with 32 rules applied. Total rules applied 2960 place count 337 transition count 546
Reduce places removed 16 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 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 10 with 24 rules applied. Total rules applied 2984 place count 321 transition count 538
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 11 with 4 rules applied. Total rules applied 2988 place count 317 transition count 538
Discarding 19 places :
Symmetric choice reduction at 12 with 19 rule applications. Total rules 3007 place count 298 transition count 508
Iterating global reduction 12 with 19 rules applied. Total rules applied 3026 place count 298 transition count 508
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 12 with 7 rules applied. Total rules applied 3033 place count 298 transition count 501
Discarding 8 places :
Symmetric choice reduction at 13 with 8 rule applications. Total rules 3041 place count 290 transition count 485
Iterating global reduction 13 with 8 rules applied. Total rules applied 3049 place count 290 transition count 485
Discarding 3 places :
Symmetric choice reduction at 13 with 3 rule applications. Total rules 3052 place count 287 transition count 479
Iterating global reduction 13 with 3 rules applied. Total rules applied 3055 place count 287 transition count 479
Performed 151 Post agglomeration using F-continuation condition with reduction of 78 identical transitions.
Deduced a syphon composed of 151 places in 0 ms
Reduce places removed 151 places and 0 transitions.
Iterating global reduction 13 with 302 rules applied. Total rules applied 3357 place count 136 transition count 250
Drop transitions removed 1 transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 13 with 3 rules applied. Total rules applied 3360 place count 136 transition count 247
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 14 with 6 rules applied. Total rules applied 3366 place count 133 transition count 244
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 14 with 6 rules applied. Total rules applied 3372 place count 133 transition count 238
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 15 with 4 rules applied. Total rules applied 3376 place count 131 transition count 236
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 15 with 4 rules applied. Total rules applied 3380 place count 131 transition count 232
Performed 33 Post agglomeration using F-continuation condition with reduction of 15 identical transitions.
Deduced a syphon composed of 33 places in 0 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 16 with 66 rules applied. Total rules applied 3446 place count 98 transition count 266
Drop transitions removed 10 transitions
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 37 transitions.
Iterating post reduction 16 with 37 rules applied. Total rules applied 3483 place count 98 transition count 229
Discarding 21 places :
Symmetric choice reduction at 17 with 21 rule applications. Total rules 3504 place count 77 transition count 194
Iterating global reduction 17 with 21 rules applied. Total rules applied 3525 place count 77 transition count 194
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 17 with 12 rules applied. Total rules applied 3537 place count 77 transition count 182
Discarding 5 places :
Symmetric choice reduction at 18 with 5 rule applications. Total rules 3542 place count 72 transition count 172
Iterating global reduction 18 with 5 rules applied. Total rules applied 3547 place count 72 transition count 172
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 18 with 5 rules applied. Total rules applied 3552 place count 72 transition count 167
Drop transitions removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 19 with 14 rules applied. Total rules applied 3566 place count 72 transition count 153
Discarding 1 places :
Symmetric choice reduction at 19 with 1 rule applications. Total rules 3567 place count 71 transition count 150
Iterating global reduction 19 with 1 rules applied. Total rules applied 3568 place count 71 transition count 150
Discarding 1 places :
Symmetric choice reduction at 19 with 1 rule applications. Total rules 3569 place count 70 transition count 149
Iterating global reduction 19 with 1 rules applied. Total rules applied 3570 place count 70 transition count 149
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 19 with 1 rules applied. Total rules applied 3571 place count 70 transition count 148
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 20 with 2 rules applied. Total rules applied 3573 place count 69 transition count 147
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 20 with 1 rules applied. Total rules applied 3574 place count 69 transition count 146
Free-agglomeration rule applied 6 times.
Iterating global reduction 20 with 6 rules applied. Total rules applied 3580 place count 69 transition count 140
Reduce places removed 6 places and 0 transitions.
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 20 with 9 rules applied. Total rules applied 3589 place count 63 transition count 137
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 3590 place count 63 transition count 136
Partial Free-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 21 with 2 rules applied. Total rules applied 3592 place count 63 transition count 136
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 21 with 1 rules applied. Total rules applied 3593 place count 63 transition count 135
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 21 with 1 rules applied. Total rules applied 3594 place count 62 transition count 134
Applied a total of 3594 rules in 475 ms. Remains 62 /2585 variables (removed 2523) and now considering 134/3095 (removed 2961) transitions.
Finished structural reductions, in 1 iterations. Remains : 62/2585 places, 134/3095 transitions.
Normalized transition count is 126 out of 134 initially.
// Phase 1: matrix 126 rows 62 cols
[2022-05-14 10:45:52] [INFO ] Computed 4 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 14887 resets, run finished after 1561 ms. (steps per millisecond=640 ) properties (out of 12) seen :12
FORMULA CloudReconfiguration-PT-311-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA CloudReconfiguration-PT-311-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.

BK_STOP 1652525155082

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

+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination UpperBounds -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m

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="CloudReconfiguration-PT-311"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2021"
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 2-4028"
echo " Executing tool gold2021"
echo " Input is CloudReconfiguration-PT-311, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r046-smll-165252115800109"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-311.tgz
mv CloudReconfiguration-PT-311 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;