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.r119-tall-167814498000627.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 ltsminxred
Input is DNAwalker-PT-17redondantChoiceL, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814498000627
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 820K
-rw-r--r-- 1 mcc users 8.6K Feb 25 13:00 CTLCardinality.txt
-rw-r--r-- 1 mcc users 100K Feb 25 13:00 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Feb 25 13:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 25 13:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 15:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 13:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 192K Feb 25 13:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 13:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K Feb 25 13:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 19 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 211K 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 1679417200875

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-17redondantChoiceL
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 16:46:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 16:46:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 16:46:42] [INFO ] Load time of PNML (sax parser for PT used): 60 ms
[2023-03-21 16:46:42] [INFO ] Transformed 43 places.
[2023-03-21 16:46:42] [INFO ] Transformed 490 transitions.
[2023-03-21 16:46:42] [INFO ] Parsed PT model containing 43 places and 490 transitions and 1438 arcs in 128 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 43/43 places, 490/490 transitions.
Applied a total of 0 rules in 9 ms. Remains 43 /43 variables (removed 0) and now considering 490/490 (removed 0) transitions.
[2023-03-21 16:46:42] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
// Phase 1: matrix 489 rows 43 cols
[2023-03-21 16:46:42] [INFO ] Computed 0 place invariants in 25 ms
[2023-03-21 16:46:42] [INFO ] Dead Transitions using invariants and state equation in 343 ms found 0 transitions.
[2023-03-21 16:46:42] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2023-03-21 16:46:42] [INFO ] Invariant cache hit.
[2023-03-21 16:46:42] [INFO ] Implicit Places using invariants in 74 ms returned []
[2023-03-21 16:46:42] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2023-03-21 16:46:42] [INFO ] Invariant cache hit.
[2023-03-21 16:46:43] [INFO ] State equation strengthened by 161 read => feed constraints.
[2023-03-21 16:46:43] [INFO ] Implicit Places using invariants and state equation in 941 ms returned []
Implicit Place search using SMT with State Equation took 1019 ms to find 0 implicit places.
[2023-03-21 16:46:43] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2023-03-21 16:46:43] [INFO ] Invariant cache hit.
[2023-03-21 16:46:43] [INFO ] Dead Transitions using invariants and state equation in 150 ms found 0 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1547 ms. Remains : 43/43 places, 490/490 transitions.
Discarding 10 transitions out of 490. Remains 480
Initial state reduction rules removed 14 formulas.
Incomplete random walk after 10000 steps, including 381 resets, run finished after 332 ms. (steps per millisecond=30 ) properties (out of 466) seen :461
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 31 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 28 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 28 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 27 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-21 16:46:44] [INFO ] Flow matrix only has 489 transitions (discarded 1 similar events)
[2023-03-21 16:46:44] [INFO ] Invariant cache hit.
[2023-03-21 16:46:44] [INFO ] After 271ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-21 16:47:09] [INFO ] After 24978ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-21 16:47:09] [INFO ] State equation strengthened by 161 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:350)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testUnreachableWithSMT(DeadlockTester.java:223)
at fr.lip6.move.gal.application.solver.ReachabilitySolver.applyReductions(ReachabilitySolver.java:95)
at fr.lip6.move.gal.application.solver.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 16:47:09] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 16:47:09] [INFO ] After 25040ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0 real:5
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 6 out of 43 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 43/43 places, 490/490 transitions.
Graph (complete) has 478 edges and 43 vertex of which 41 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Drop transitions removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 41 transition count 466
Reduce places removed 9 places and 9 transitions.
Iterating global reduction 1 with 9 rules applied. Total rules applied 32 place count 32 transition count 457
Applied a total of 32 rules in 40 ms. Remains 32 /43 variables (removed 11) and now considering 457/490 (removed 33) transitions.
// Phase 1: matrix 457 rows 32 cols
[2023-03-21 16:47:09] [INFO ] Computed 0 place invariants in 3 ms
[2023-03-21 16:47:10] [INFO ] Dead Transitions using invariants and state equation in 154 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 195 ms. Remains : 32/43 places, 457/490 transitions.
Incomplete random walk after 1000000 steps, including 34811 resets, run finished after 16199 ms. (steps per millisecond=61 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 3884 resets, run finished after 3116 ms. (steps per millisecond=320 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3888 resets, run finished after 3576 ms. (steps per millisecond=279 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3861 resets, run finished after 2095 ms. (steps per millisecond=477 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3850 resets, run finished after 2139 ms. (steps per millisecond=467 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 3926 resets, run finished after 2079 ms. (steps per millisecond=481 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 14516445 steps, run timeout after 87001 ms. (steps per millisecond=166 ) properties seen :{}
Probabilistic random walk after 14516445 steps, saw 3793571 distinct states, run finished after 87005 ms. (steps per millisecond=166 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-21 16:49:06] [INFO ] Invariant cache hit.
[2023-03-21 16:49:06] [INFO ] After 216ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-21 16:49:33] [INFO ] After 26661ms SMT Verify possible using all constraints in natural domain returned unsat :3 sat :0
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK STRUCTURAL_REDUCTION TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 170833 ms.
ITS solved all properties within timeout

BK_STOP 1679417373942

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination 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="DNAwalker-PT-17redondantChoiceL"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is DNAwalker-PT-17redondantChoiceL, 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 r119-tall-167814498000627"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-17redondantChoiceL.tgz
mv DNAwalker-PT-17redondantChoiceL 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 ;