fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r243-tall-167856430500124
Last Updated
May 14, 2023

About the Execution of ITS-Tools for JoinFreeModules-PT-0200

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
9634.487 1800000.00 2440814.00 10094.20 [undef] Time out reached

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.r243-tall-167856430500124.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 itstools
Input is JoinFreeModules-PT-0200, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r243-tall-167856430500124
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 984K
-rw-r--r-- 1 mcc users 7.5K Feb 25 11:55 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 25 11:55 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 11:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 25 11:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 11:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 47K Feb 25 11:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 11:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Feb 25 11:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 613K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1678689444555

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=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=JoinFreeModules-PT-0200
Not applying reductions.
Model is PT
Liveness PT
Running Version 202303021504
[2023-03-13 06:37:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2023-03-13 06:37:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 06:37:26] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2023-03-13 06:37:26] [INFO ] Transformed 1001 places.
[2023-03-13 06:37:26] [INFO ] Transformed 1601 transitions.
[2023-03-13 06:37:26] [INFO ] Parsed PT model containing 1001 places and 1601 transitions and 4602 arcs in 184 ms.
Discarding 800 transitions out of 1601. Remains 801
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 11 ms.28935KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 115 ms. Remains 1000 /1000 variables (removed 0) and now considering 1601/1601 (removed 0) transitions.
// Phase 1: matrix 1601 rows 1000 cols
[2023-03-13 06:37:26] [INFO ] Computed 200 place invariants in 30 ms
[2023-03-13 06:37:27] [INFO ] Dead Transitions using invariants and state equation in 938 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1083 ms. Remains : 1000/1000 places, 1601/1601 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 59 ms. Remains 1000 /1000 variables (removed 0) and now considering 1601/1601 (removed 0) transitions.
[2023-03-13 06:37:27] [INFO ] Invariant cache hit.
[2023-03-13 06:37:27] [INFO ] Implicit Places using invariants in 180 ms returned []
[2023-03-13 06:37:27] [INFO ] Invariant cache hit.
[2023-03-13 06:37:28] [INFO ] State equation strengthened by 200 read => feed constraints.
[2023-03-13 06:37:28] [INFO ] Implicit Places using invariants and state equation in 535 ms returned []
Implicit Place search using SMT with State Equation took 719 ms to find 0 implicit places.
[2023-03-13 06:37:28] [INFO ] Redundant transitions in 94 ms returned []
[2023-03-13 06:37:28] [INFO ] Invariant cache hit.
[2023-03-13 06:37:29] [INFO ] Dead Transitions using invariants and state equation in 622 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1504 ms. Remains : 1000/1000 places, 1601/1601 transitions.
Random walk for 1250053 steps, including 0 resets, run took 16760 ms (no deadlock found). (steps per millisecond=74 )
Interrupted Random directed walk after 752344 steps, including 0 resets, run timeout after 30011 ms. (steps per millisecond=25 )
[2023-03-13 06:38:15] [INFO ] Invariant cache hit.
[2023-03-13 06:38:16] [INFO ] [Real]Absence check using 200 positive place invariants in 1 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 21 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
[2023-03-13 06:38:16] [INFO ] Invariant cache hit.
[2023-03-13 06:38:16] [INFO ] Dead Transitions using invariants and state equation in 634 ms found 0 transitions.
[2023-03-13 06:38:16] [INFO ] Invariant cache hit.
[2023-03-13 06:38:17] [INFO ] Implicit Places using invariants in 156 ms returned []
[2023-03-13 06:38:17] [INFO ] Invariant cache hit.
[2023-03-13 06:38:17] [INFO ] State equation strengthened by 200 read => feed constraints.
[2023-03-13 06:38:17] [INFO ] Implicit Places using invariants and state equation in 600 ms returned []
Implicit Place search using SMT with State Equation took 759 ms to find 0 implicit places.
[2023-03-13 06:38:17] [INFO ] Invariant cache hit.
[2023-03-13 06:38:18] [INFO ] Dead Transitions using invariants and state equation in 597 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 2012 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10198 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=84 ) properties (out of 800) seen :80
Running SMT prover for 720 properties.
[2023-03-13 06:38:18] [INFO ] Invariant cache hit.
[2023-03-13 06:38:18] [INFO ] Flatten gal took : 186 ms
[2023-03-13 06:38:18] [INFO ] Flatten gal took : 111 ms
[2023-03-13 06:38:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5474680357618453051.gal : 27 ms
[2023-03-13 06:38:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5546505590199541372.prop : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality5474680357618453051.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5546505590199541372.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5546505590199541372.prop.
Reachability property qltransition_3 is true.
SDD proceeding with computation,719 properties remain. new max is 2
SDD size :1 after 8
SDD proceeding with computation,719 properties remain. new max is 4
SDD size :8 after 17
Reachability property qltransition_1 is true.
SDD proceeding with computation,718 properties remain. new max is 4
SDD size :17 after 39
SDD proceeding with computation,718 properties remain. new max is 8
SDD size :39 after 69
SDD proceeding with computation,718 properties remain. new max is 16
SDD size :69 after 144
SDD proceeding with computation,718 properties remain. new max is 32
SDD size :144 after 359
SDD proceeding with computation,718 properties remain. new max is 64
SDD size :359 after 1052
SDD proceeding with computation,718 properties remain. new max is 128
SDD size :1052 after 3479
SDD proceeding with computation,718 properties remain. new max is 256
SDD size :3479 after 11206
SDD proceeding with computation,718 properties remain. new max is 512
SDD size :11206 after 20008
[2023-03-13 06:38:29] [INFO ] [Real]Absence check using 200 positive place invariants in 35 ms returned sat
SDD proceeding with computation,718 properties remain. new max is 1024
SDD size :20008 after 4.87581e+06
SDD proceeding with computation,718 properties remain. new max is 2048
SDD size :4.87581e+06 after 1.45683e+07
Reachability property qltransition_16 is true.
Reachability property qltransition_15 is true.
Reachability property qltransition_11 is true.
Reachability property qltransition_9 is true.
SDD proceeding with computation,714 properties remain. new max is 2048
SDD size :1.45683e+07 after 3.62143e+14
SDD proceeding with computation,714 properties remain. new max is 4096
SDD size :3.62143e+14 after 1.43107e+15
[2023-03-13 06:38:43] [INFO ] After 3028ms SMT Verify possible using state equation in real domain returned unsat :0 sat :676 real:44
[2023-03-13 06:38:43] [INFO ] State equation strengthened by 200 read => feed constraints.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:642)
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.global.GlobalPropertySolver.applyReachabilitySolver(GlobalPropertySolver.java:724)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:558)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preSolveLiveness(GlobalPropertySolver.java:399)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.preStableMarking(GlobalPropertySolver.java:321)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.solveProperty(GlobalPropertySolver.java:294)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:386)
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)
[2023-03-13 06:38:43] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-13 06:38:43] [INFO ] After 25038ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 720 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 714 out of 1000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1000/1000 places, 1601/1601 transitions.
Graph (complete) has 2400 edges and 1000 vertex of which 990 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.5 ms
Discarding 10 places :
Also discarding 16 output transitions
Drop transitions removed 16 transitions
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 990 transition count 1584
Applied a total of 2 rules in 88 ms. Remains 990 /1000 variables (removed 10) and now considering 1584/1601 (removed 17) transitions.
// Phase 1: matrix 1584 rows 990 cols
[2023-03-13 06:38:43] [INFO ] Computed 198 place invariants in 11 ms
[2023-03-13 06:38:44] [INFO ] Dead Transitions using invariants and state equation in 639 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 731 ms. Remains : 990/1000 places, 1584/1601 transitions.
Finished random walk after 312832 steps, including 0 resets, run visited all 714 properties in 4390 ms. (steps per millisecond=71 )
ITS runner failed with exception null
java.lang.InterruptedException
at java.base/java.lang.Object.wait(Native Method)
at java.base/java.lang.Thread.join(Thread.java:1304)
at java.base/java.lang.Thread.join(Thread.java:1372)
at fr.lip6.move.gal.application.runner.AbstractRunner.join(AbstractRunner.java:27)
at fr.lip6.move.gal.application.runner.its.ITSRunner.join(ITSRunner.java:177)
at fr.lip6.move.gal.application.solver.global.GlobalPropertySolver.verifyWithSDD(GlobalPropertySolver.java:675)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.lambda$2(ReachabilitySolver.java:63)
at java.base/java.lang.Thread.run(Thread.java:833)
Able to resolve query QuasiLiveness after proving 801 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 1001/1001 places, 1601/1601 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1000 transition count 1601
Applied a total of 1 rules in 15 ms. Remains 1000 /1001 variables (removed 1) and now considering 1601/1601 (removed 0) transitions.
// Phase 1: matrix 1601 rows 1000 cols
[2023-03-13 06:38:48] [INFO ] Computed 200 place invariants in 5 ms
[2023-03-13 06:38:49] [INFO ] Dead Transitions using invariants and state equation in 631 ms found 0 transitions.
[2023-03-13 06:38:49] [INFO ] Invariant cache hit.
[2023-03-13 06:38:49] [INFO ] Implicit Places using invariants in 171 ms returned []
[2023-03-13 06:38:49] [INFO ] Invariant cache hit.
[2023-03-13 06:38:50] [INFO ] State equation strengthened by 200 read => feed constraints.
[2023-03-13 06:38:50] [INFO ] Implicit Places using invariants and state equation in 556 ms returned []
Implicit Place search using SMT with State Equation took 729 ms to find 0 implicit places.
[2023-03-13 06:38:50] [INFO ] Invariant cache hit.
[2023-03-13 06:38:50] [INFO ] Dead Transitions using invariants and state equation in 602 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 1000/1001 places, 1601/1601 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1980 ms. Remains : 1000/1001 places, 1601/1601 transitions.
Discarding 800 transitions out of 1601. Remains 801
[2023-03-13 06:38:51] [INFO ] Flatten gal took : 66 ms
[2023-03-13 06:38:51] [INFO ] Flatten gal took : 64 ms
[2023-03-13 06:38:51] [INFO ] Time to serialize gal into /tmp/CTLFireability1904251638448510529.gal : 10 ms
[2023-03-13 06:38:51] [INFO ] Time to serialize properties into /tmp/CTLFireability14835259738379411984.ctl : 8 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1904251638448510529.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14835259738379411984.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
Detected timeout of ITS tools.
[2023-03-13 06:38:54] [INFO ] Flatten gal took : 50 ms
[2023-03-13 06:38:54] [INFO ] Applying decomposition
[2023-03-13 06:38:54] [INFO ] Flatten gal took : 52 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph15164091274291283379.txt' '-o' '/tmp/graph15164091274291283379.bin' '-w' '/tmp/graph15164091274291283379.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph15164091274291283379.bin' '-l' '-1' '-v' '-w' '/tmp/graph15164091274291283379.weights' '-q' '0' '-e' '0.001'
[2023-03-13 06:38:54] [INFO ] Decomposing Gal with order
[2023-03-13 06:38:54] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-13 06:38:54] [INFO ] Flatten gal took : 88 ms
[2023-03-13 06:38:54] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 20 ms.
[2023-03-13 06:38:54] [INFO ] Time to serialize gal into /tmp/CTLFireability2314440793823141018.gal : 76 ms
[2023-03-13 06:38:54] [INFO ] Time to serialize properties into /tmp/CTLFireability13631746901996213818.ctl : 25 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2314440793823141018.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13631746901996213818.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
Detected timeout of ITS tools.
[2023-03-13 06:38:57] [INFO ] Flatten gal took : 46 ms
[2023-03-13 06:38:57] [INFO ] Flatten gal took : 45 ms
[2023-03-13 06:38:57] [INFO ] Time to serialize gal into /tmp/CTLFireability4953294230774626906.gal : 6 ms
[2023-03-13 06:38:57] [INFO ] Time to serialize properties into /tmp/CTLFireability6775334072838832104.ctl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability4953294230774626906.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6775334072838832104.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
Reachability property qltransition_32 is true.
Reachability property qltransition_31 is true.
Reachability property qltransition_27 is true.
Reachability property qltransition_25 is true.
Reachability property qltransition_24 is true.
Reachability property qltransition_23 is true.
Reachability property qltransition_17 is true.
SDD proceeding with computation,707 properties remain. new max is 4096
SDD size :1.43107e+15 after 1.99737e+30
Reachability property qltransition_35 is true.
Reachability property qltransition_33 is true.
SDD proceeding with computation,705 properties remain. new max is 4096
SDD size :1.99737e+30 after 3.2433e+38
Detected timeout of ITS tools.
[2023-03-13 06:39:28] [INFO ] Flatten gal took : 38 ms
[2023-03-13 06:39:28] [INFO ] Applying decomposition
[2023-03-13 06:39:28] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph12594781676913256781.txt' '-o' '/tmp/graph12594781676913256781.bin' '-w' '/tmp/graph12594781676913256781.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph12594781676913256781.bin' '-l' '-1' '-v' '-w' '/tmp/graph12594781676913256781.weights' '-q' '0' '-e' '0.001'
[2023-03-13 06:39:28] [INFO ] Decomposing Gal with order
[2023-03-13 06:39:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-13 06:39:28] [INFO ] Flatten gal took : 56 ms
[2023-03-13 06:39:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 8 ms.
[2023-03-13 06:39:28] [INFO ] Time to serialize gal into /tmp/CTLFireability7063877245217443161.gal : 11 ms
[2023-03-13 06:39:28] [INFO ] Time to serialize properties into /tmp/CTLFireability4039231004076451147.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7063877245217443161.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4039231004076451147.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...262
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
Reachability property qltransition_48 is true.
Reachability property qltransition_47 is true.
Reachability property qltransition_43 is true.
Reachability property qltransition_41 is true.
SDD proceeding with computation,701 properties remain. new max is 4096
SDD size :3.2433e+38 after 4.35986e+46
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.57101e+1574,11.5425,171652,202,1419,1004,422800,643,203,75,520625,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((((u0.p3>=200)&&(u1.p8>=200))&&((u2.p13>=200)&&(u3.p18>=200)))&&(((u4.p23>=200)&&(u5.p28>=200))&&((u6.p33>=200)&&(u7.p38>=200...3890
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((((u0.p3>=200)&&(u1.p8>=200))&&((u2.p13>=200)&&(u3.p18>=200)))&&(((u4.p23>=...3950
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....10922
Reachability property qltransition_64 is true.
Reachability property qltransition_59 is true.
Reachability property qltransition_57 is true.
Reachability property qltransition_56 is true.
Reachability property qltransition_55 is true.
Reachability property qltransition_51 is true.
Reachability property qltransition_49 is true.
SDD proceeding with computation,694 properties remain. new max is 4096
SDD size :4.35986e+46 after 5.81563e+60
Detected timeout of ITS tools.
[2023-03-13 06:39:58] [INFO ] Flatten gal took : 43 ms
[2023-03-13 06:39:58] [INFO ] Flatten gal took : 42 ms
[2023-03-13 06:39:58] [INFO ] Time to serialize gal into /tmp/CTLFireability8824768880215357068.gal : 12 ms
[2023-03-13 06:39:58] [INFO ] Time to serialize properties into /tmp/CTLFireability8888730241593851098.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability8824768880215357068.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8888730241593851098.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
Reachability property qltransition_72 is true.
Reachability property qltransition_71 is true.
Reachability property qltransition_67 is true.
Reachability property qltransition_65 is true.
Reachability property qltransition_63 is true.
SDD proceeding with computation,689 properties remain. new max is 4096
SDD size :5.81563e+60 after 9.87781e+69
Reachability property qltransition_80 is true.
Reachability property qltransition_79 is true.
Reachability property qltransition_75 is true.
Reachability property qltransition_73 is true.
SDD proceeding with computation,685 properties remain. new max is 4096
SDD size :9.87781e+69 after 1.32786e+78
Reachability property qltransition_91 is true.
Reachability property qltransition_89 is true.
Reachability property qltransition_88 is true.
Reachability property qltransition_87 is true.
Reachability property qltransition_83 is true.
Reachability property qltransition_81 is true.
SDD proceeding with computation,679 properties remain. new max is 4096
SDD size :1.32786e+78 after 6.85891e+90
Reachability property qltransition_104 is true.
Reachability property qltransition_103 is true.
Reachability property qltransition_99 is true.
Reachability property qltransition_97 is true.
Reachability property qltransition_96 is true.
Reachability property qltransition_95 is true.
SDD proceeding with computation,673 properties remain. new max is 4096
SDD size :6.85891e+90 after 3.00664e+101
Reachability property qltransition_112 is true.
Reachability property qltransition_111 is true.
Reachability property qltransition_107 is true.
Reachability property qltransition_105 is true.
SDD proceeding with computation,669 properties remain. new max is 4096
SDD size :3.00664e+101 after 3.06678e+109
Reachability property qltransition_121 is true.
Reachability property qltransition_120 is true.
Reachability property qltransition_119 is true.
Reachability property qltransition_115 is true.
Reachability property qltransition_113 is true.
SDD proceeding with computation,664 properties remain. new max is 4096
SDD size :3.06678e+109 after 9.38528e+121
Reachability property qltransition_136 is true.
Reachability property qltransition_135 is true.
Reachability property qltransition_131 is true.
Reachability property qltransition_129 is true.
Reachability property qltransition_128 is true.
Reachability property qltransition_127 is true.
SDD proceeding with computation,658 properties remain. new max is 4096
SDD size :9.38528e+121 after 4.20617e+132
Reachability property qltransition_144 is true.
Reachability property qltransition_143 is true.
Reachability property qltransition_139 is true.
Reachability property qltransition_137 is true.
SDD proceeding with computation,654 properties remain. new max is 4096
SDD size :4.20617e+132 after 9.33661e+140
Reachability property qltransition_152 is true.
Reachability property qltransition_151 is true.
Reachability property qltransition_147 is true.
Reachability property qltransition_145 is true.
SDD proceeding with computation,650 properties remain. new max is 4096
SDD size :9.33661e+140 after 3.53702e+149
Reachability property qltransition_168 is true.
Reachability property qltransition_167 is true.
Reachability property qltransition_163 is true.
Reachability property qltransition_161 is true.
Reachability property qltransition_160 is true.
Reachability property qltransition_159 is true.
Reachability property qltransition_155 is true.
Reachability property qltransition_153 is true.
SDD proceeding with computation,642 properties remain. new max is 4096
SDD size :3.53702e+149 after 1.28084e+164
Reachability property qltransition_176 is true.
Reachability property qltransition_175 is true.
Reachability property qltransition_171 is true.
Reachability property qltransition_169 is true.
SDD proceeding with computation,638 properties remain. new max is 4096
SDD size :1.28084e+164 after 2.84445e+172
Reachability property qltransition_184 is true.
Reachability property qltransition_183 is true.
Reachability property qltransition_177 is true.
SDD proceeding with computation,635 properties remain. new max is 4096
SDD size :2.84445e+172 after 2.79395e+180
Reachability property qltransition_200 is true.
Reachability property qltransition_199 is true.
Reachability property qltransition_193 is true.
Reachability property qltransition_192 is true.
Reachability property qltransition_191 is true.
Reachability property qltransition_187 is true.
Reachability property qltransition_185 is true.
SDD proceeding with computation,628 properties remain. new max is 4096
SDD size :2.79395e+180 after 3.89469e+195
Reachability property qltransition_203 is true.
Reachability property qltransition_201 is true.
SDD proceeding with computation,626 properties remain. new max is 4096
SDD size :3.89469e+195 after 6.33111e+203
Reachability property qltransition_216 is true.
Reachability property qltransition_215 is true.
Reachability property qltransition_209 is true.
SDD proceeding with computation,623 properties remain. new max is 4096
SDD size :6.33111e+203 after 8.51034e+211
Reachability property qltransition_227 is true.
Reachability property qltransition_225 is true.
Reachability property qltransition_224 is true.
Reachability property qltransition_223 is true.
Reachability property qltransition_219 is true.
Reachability property qltransition_217 is true.
SDD proceeding with computation,617 properties remain. new max is 4096
SDD size :8.51034e+211 after 4.87645e+224
Reachability property qltransition_240 is true.
Reachability property qltransition_239 is true.
Reachability property qltransition_235 is true.
Reachability property qltransition_233 is true.
Reachability property qltransition_232 is true.
Reachability property qltransition_231 is true.
SDD proceeding with computation,611 properties remain. new max is 4096
SDD size :4.87645e+224 after 1.92754e+235
Reachability property qltransition_248 is true.
Reachability property qltransition_247 is true.
Reachability property qltransition_243 is true.
Reachability property qltransition_241 is true.
SDD proceeding with computation,607 properties remain. new max is 4096
SDD size :1.92754e+235 after 1.96528e+243
Detected timeout of ITS tools.
[2023-03-13 06:44:58] [INFO ] Flatten gal took : 41 ms
[2023-03-13 06:44:58] [INFO ] Applying decomposition
[2023-03-13 06:44:58] [INFO ] Flatten gal took : 38 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/convert-linux64' '-i' '/tmp/graph18132452942105424147.txt' '-o' '/tmp/graph18132452942105424147.bin' '-w' '/tmp/graph18132452942105424147.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202303021504/bin/louvain-linux64' '/tmp/graph18132452942105424147.bin' '-l' '-1' '-v' '-w' '/tmp/graph18132452942105424147.weights' '-q' '0' '-e' '0.001'
[2023-03-13 06:44:59] [INFO ] Decomposing Gal with order
[2023-03-13 06:44:59] [INFO ] Rewriting arrays to variables to allow decomposition.
[2023-03-13 06:44:59] [INFO ] Flatten gal took : 60 ms
[2023-03-13 06:44:59] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 9 ms.
[2023-03-13 06:44:59] [INFO ] Time to serialize gal into /tmp/CTLFireability14829175897543394715.gal : 12 ms
[2023-03-13 06:44:59] [INFO ] Time to serialize properties into /tmp/CTLFireability18011988232943309158.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14829175897543394715.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability18011988232943309158.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...264
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.57101e+1574,12.0946,171140,202,1419,1004,422800,643,203,75,520625,0


Converting to forward existential form...Done !
original formula: AG(EF((((((((((u0.p3>=200)&&(u1.p8>=200))&&((u2.p13>=200)&&(u3.p18>=200)))&&(((u4.p23>=200)&&(u5.p28>=200))&&((u6.p33>=200)&&(u7.p38>=200...3890
Reachability property qltransition_259 is true.
Reachability property qltransition_257 is true.
Reachability property qltransition_256 is true.
Reachability property qltransition_255 is true.
Reachability property qltransition_251 is true.
Reachability property qltransition_249 is true.
SDD proceeding with computation,601 properties remain. new max is 4096
SDD size :1.96528e+243 after 9.96314e+255
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (((((((((u0.p3>=200)&&(u1.p8>=200))&&((u2.p13>=200)&&(u3.p18>=200)))&&(((u4.p23>=...3950
Reverse transition relation is NOT exact ! Due to transitions u0.t1, u0.t2, u0.t3, u0.t4, u0.t8, u1.t9, u1.t10, u1.t11, u1.t12, u1.t16, u2.t17, u2.t18, u2....10922
Reachability property qltransition_272 is true.
Reachability property qltransition_271 is true.
Reachability property qltransition_267 is true.
Reachability property qltransition_265 is true.
Reachability property qltransition_264 is true.
Reachability property qltransition_263 is true.
SDD proceeding with computation,595 properties remain. new max is 4096
SDD size :9.96314e+255 after 2.7131e+266
Reachability property qltransition_280 is true.
Reachability property qltransition_279 is true.
Reachability property qltransition_275 is true.
Reachability property qltransition_273 is true.
SDD proceeding with computation,591 properties remain. new max is 4096
SDD size :2.7131e+266 after 5.98552e+274
Reachability property qltransition_291 is true.
Reachability property qltransition_289 is true.
Reachability property qltransition_288 is true.
Reachability property qltransition_287 is true.
Reachability property qltransition_283 is true.
Reachability property qltransition_281 is true.
SDD proceeding with computation,585 properties remain. new max is 4096
SDD size :5.98552e+274 after 3.88892e+286
Reachability property qltransition_304 is true.
Reachability property qltransition_303 is true.
Reachability property qltransition_297 is true.
Reachability property qltransition_296 is true.
Reachability property qltransition_295 is true.
SDD proceeding with computation,580 properties remain. new max is 4096
SDD size :3.88892e+286 after 8.21074e+297
Reachability property qltransition_312 is true.
Reachability property qltransition_311 is true.
Reachability property qltransition_305 is true.
SDD proceeding with computation,577 properties remain. new max is 4096
SDD size :8.21074e+297 after 1.33085e+306
Reachability property qltransition_315 is true.
Reachability property qltransition_313 is true.
SDD proceeding with computation,575 properties remain. new max is 4096
SDD size :1.33085e+306 after 1.78901e+314
Reachability property qltransition_331 is true.
Reachability property qltransition_329 is true.
Reachability property qltransition_328 is true.
Reachability property qltransition_327 is true.
Reachability property qltransition_321 is true.
SDD proceeding with computation,570 properties remain. new max is 4096
SDD size :1.78901e+314 after 9.58349e+326
Reachability property qltransition_344 is true.
Reachability property qltransition_343 is true.
Reachability property qltransition_339 is true.
Reachability property qltransition_337 is true.
Reachability property qltransition_336 is true.
Reachability property qltransition_335 is true.
SDD proceeding with computation,564 properties remain. new max is 4096
SDD size :9.58349e+326 after 4.05122e+337
Reachability property qltransition_352 is true.
Reachability property qltransition_351 is true.
Reachability property qltransition_347 is true.
Reachability property qltransition_345 is true.
SDD proceeding with computation,560 properties remain. new max is 4096
SDD size :4.05122e+337 after 4.13174e+345
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2023-03-13 06:49:59] [INFO ] Flatten gal took : 39 ms
[2023-03-13 06:49:59] [INFO ] Flatten gal took : 36 ms
[2023-03-13 06:49:59] [INFO ] Time to serialize gal into /tmp/CTLFireability12247055516990937301.gal : 5 ms
[2023-03-13 06:49:59] [INFO ] Time to serialize properties into /tmp/CTLFireability9996817372366236310.ctl : 4 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12247055516990937301.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9996817372366236310.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 801 CTL formulae.
TIME LIMIT: Killed by timeout after 1800 seconds
MemTotal: 16393216 kB
MemFree: 6518896 kB
After kill :
MemTotal: 16393216 kB
MemFree: 16116760 kB

BK_TIME_CONFINEMENT_REACHED

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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:
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="JoinFreeModules-PT-0200"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 itstools"
echo " Input is JoinFreeModules-PT-0200, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r243-tall-167856430500124"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0200.tgz
mv JoinFreeModules-PT-0200 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;