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.r117-tall-167814495600362.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is DLCflexbar-PT-6b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495600362
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 11M
-rw-r--r-- 1 mcc users 8.4K Feb 25 15:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 25 15:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 15:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 25 15:04 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 15:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 15:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 15:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 140K Feb 25 15:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Feb 25 15:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 25 15:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 15:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 9.6M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679416260974

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCflexbar-PT-6b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 16:31:02] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 16:31:02] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 16:31:03] [INFO ] Load time of PNML (sax parser for PT used): 650 ms
[2023-03-21 16:31:03] [INFO ] Transformed 25104 places.
[2023-03-21 16:31:03] [INFO ] Transformed 39112 transitions.
[2023-03-21 16:31:03] [INFO ] Found NUPN structural information;
[2023-03-21 16:31:04] [INFO ] Parsed PT model containing 25104 places and 39112 transitions and 109395 arcs in 2081 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 25104/25104 places, 39112/39112 transitions.
Graph (trivial) has 22781 edges and 25104 vertex of which 1792 / 25104 are part of one of the 116 SCC in 60 ms
Free SCC test removed 1676 places
Ensure Unique test removed 1776 transitions
Reduce isomorphic transitions removed 1776 transitions.
Drop transitions removed 11157 transitions
Trivial Post-agglo rules discarded 11157 transitions
Performed 11157 trivial Post agglomeration. Transition count delta: 11157
Iterating post reduction 0 with 11157 rules applied. Total rules applied 11158 place count 23428 transition count 26179
Reduce places removed 11157 places and 0 transitions.
Ensure Unique test removed 276 transitions
Reduce isomorphic transitions removed 276 transitions.
Drop transitions removed 268 transitions
Trivial Post-agglo rules discarded 268 transitions
Performed 268 trivial Post agglomeration. Transition count delta: 268
Iterating post reduction 1 with 11701 rules applied. Total rules applied 22859 place count 12271 transition count 25635
Reduce places removed 268 places and 0 transitions.
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 transitions.
Drop transitions removed 84 transitions
Trivial Post-agglo rules discarded 84 transitions
Performed 84 trivial Post agglomeration. Transition count delta: 84
Iterating post reduction 2 with 436 rules applied. Total rules applied 23295 place count 12003 transition count 25467
Reduce places removed 84 places and 0 transitions.
Iterating post reduction 3 with 84 rules applied. Total rules applied 23379 place count 11919 transition count 25467
Performed 84 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 84 Pre rules applied. Total rules applied 23379 place count 11919 transition count 25383
Deduced a syphon composed of 84 places in 1091 ms
Reduce places removed 84 places and 0 transitions.
Iterating global reduction 4 with 168 rules applied. Total rules applied 23547 place count 11835 transition count 25383
Performed 6582 Post agglomeration using F-continuation condition.Transition count delta: 6582
Deduced a syphon composed of 6582 places in 10 ms
Reduce places removed 6582 places and 0 transitions.
Iterating global reduction 4 with 13164 rules applied. Total rules applied 36711 place count 5253 transition count 18801
Renaming transitions due to excessive name length > 1024 char.
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -707
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 4 with 202 rules applied. Total rules applied 36913 place count 5152 transition count 19508
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 4 with 50 rules applied. Total rules applied 36963 place count 5152 transition count 19458
Performed 101 Post agglomeration using F-continuation condition.Transition count delta: -1007
Deduced a syphon composed of 101 places in 5 ms
Reduce places removed 101 places and 0 transitions.
Iterating global reduction 5 with 202 rules applied. Total rules applied 37165 place count 5051 transition count 20465
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 5 with 26 rules applied. Total rules applied 37191 place count 5051 transition count 20439
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: -478
Deduced a syphon composed of 45 places in 5 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 6 with 90 rules applied. Total rules applied 37281 place count 5006 transition count 20917
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 6 with 8 rules applied. Total rules applied 37289 place count 5006 transition count 20909
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -104
Deduced a syphon composed of 8 places in 5 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 7 with 16 rules applied. Total rules applied 37305 place count 4998 transition count 21013
Applied a total of 37305 rules in 4911 ms. Remains 4998 /25104 variables (removed 20106) and now considering 21013/39112 (removed 18099) transitions.
[2023-03-21 16:31:09] [INFO ] Flow matrix only has 20213 transitions (discarded 800 similar events)
// Phase 1: matrix 20213 rows 4998 cols
[2023-03-21 16:31:09] [INFO ] Computed 1492 place invariants in 100 ms
[2023-03-21 16:31:10] [INFO ] Implicit Places using invariants in 950 ms returned []
Implicit Place search using SMT only with invariants took 974 ms to find 0 implicit places.
[2023-03-21 16:31:10] [INFO ] Flow matrix only has 20213 transitions (discarded 800 similar events)
[2023-03-21 16:31:10] [INFO ] Invariant cache hit.
[2023-03-21 16:31:11] [INFO ] Dead Transitions using invariants and state equation in 726 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 4998/25104 places, 21013/39112 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 6620 ms. Remains : 4998/25104 places, 21013/39112 transitions.
Discarding 4751 transitions out of 21013. Remains 16262
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 1987 ms. (steps per millisecond=5 ) properties (out of 16261) seen :6974
Running SMT prover for 9287 properties.
[2023-03-21 16:31:13] [INFO ] Flow matrix only has 20213 transitions (discarded 800 similar events)
[2023-03-21 16:31:13] [INFO ] Invariant cache hit.
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.assertInvariants(DeadlockTester.java:2340)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:618)
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:412)
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)
[2023-03-21 16:31:38] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 16:31:39] [INFO ] After 25035ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 9287 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 3357 out of 4998 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4998/4998 places, 21013/21013 transitions.
Drop transitions removed 125 transitions
Reduce isomorphic transitions removed 125 transitions.
Iterating post reduction 0 with 125 rules applied. Total rules applied 125 place count 4998 transition count 20888
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 126 place count 4997 transition count 20880
Iterating global reduction 1 with 1 rules applied. Total rules applied 127 place count 4997 transition count 20880
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 128 place count 4997 transition count 20879
Free-agglomeration rule applied 186 times with reduction of 10 identical transitions.
Iterating global reduction 2 with 186 rules applied. Total rules applied 314 place count 4997 transition count 20683
Reduce places removed 186 places and 0 transitions.
Drop transitions removed 194 transitions
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 224 transitions.
Iterating post reduction 2 with 410 rules applied. Total rules applied 724 place count 4811 transition count 20459
Applied a total of 724 rules in 996 ms. Remains 4811 /4998 variables (removed 187) and now considering 20459/21013 (removed 554) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 999 ms. Remains : 4811/4998 places, 20459/21013 transitions.
Interrupted random walk after 138750 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=4 ) properties seen 9277
Interrupted Best-First random walk after 280282 steps, including 0 resets, run timeout after 5015 ms. (steps per millisecond=55 ) properties seen 1
Interrupted Best-First random walk after 281264 steps, including 0 resets, run timeout after 5005 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 281118 steps, including 0 resets, run timeout after 5006 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 283433 steps, including 0 resets, run timeout after 5015 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 285292 steps, including 0 resets, run timeout after 5008 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 284831 steps, including 0 resets, run timeout after 5004 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 285013 steps, including 0 resets, run timeout after 5012 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 284130 steps, including 0 resets, run timeout after 5005 ms. (steps per millisecond=56 ) properties seen 1
Interrupted Best-First random walk after 286192 steps, including 0 resets, run timeout after 5009 ms. (steps per millisecond=57 ) properties seen 1
Finished Best-First random walk after 6208 steps, including 0 resets, run visited all 1 properties in 112 ms. (steps per millisecond=55 )
Able to resolve query QuasiLiveness after proving 16262 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 112892 ms.
ITS solved all properties within timeout

BK_STOP 1679416376201

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="DLCflexbar-PT-6b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is DLCflexbar-PT-6b, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r117-tall-167814495600362"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-6b.tgz
mv DLCflexbar-PT-6b execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;