Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r053-tajo-167813705500482.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
....................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is CANInsertWithFailure-PT-090, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-tajo-167813705500482
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 50M
-rw-r--r-- 1 mcc users 9.2K Feb 26 01:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Feb 26 01:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 00:51 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 00:51 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 15:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 01:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 93K Feb 26 01:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 01:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Feb 26 01:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 49M 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 1679000587947

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=CANInsertWithFailure-PT-090
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 21:03:09] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 21:03:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 21:03:10] [INFO ] Load time of PNML (sax parser for PT used): 946 ms
[2023-03-16 21:03:10] [INFO ] Transformed 17284 places.
[2023-03-16 21:03:10] [INFO ] Transformed 49140 transitions.
[2023-03-16 21:03:10] [INFO ] Parsed PT model containing 17284 places and 49140 transitions and 131400 arcs in 1193 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 17284/17284 places, 49140/49140 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 630 transitions
Trivial Post-agglo rules discarded 630 transitions
Performed 630 trivial Post agglomeration. Transition count delta: 630
Iterating post reduction 0 with 631 rules applied. Total rules applied 631 place count 17283 transition count 48510
Reduce places removed 630 places and 0 transitions.
Iterating post reduction 1 with 630 rules applied. Total rules applied 1261 place count 16653 transition count 48510
Performed 8010 Post agglomeration using F-continuation condition.Transition count delta: 8010
Deduced a syphon composed of 8010 places in 52 ms
Reduce places removed 8010 places and 0 transitions.
Iterating global reduction 2 with 16020 rules applied. Total rules applied 17281 place count 8643 transition count 40500
Applied a total of 17281 rules in 5267 ms. Remains 8643 /17284 variables (removed 8641) and now considering 40500/49140 (removed 8640) transitions.
[2023-03-16 21:03:16] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
// Phase 1: matrix 32668 rows 8643 cols
[2023-03-16 21:03:23] [INFO ] Computed 92 place invariants in 7906 ms
[2023-03-16 21:03:25] [INFO ] Implicit Places using invariants in 9602 ms returned []
Implicit Place search using SMT only with invariants took 9649 ms to find 0 implicit places.
[2023-03-16 21:03:25] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
[2023-03-16 21:03:25] [INFO ] Invariant cache hit.
[2023-03-16 21:03:26] [INFO ] Dead Transitions using invariants and state equation in 1001 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 8643/17284 places, 40500/49140 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 15935 ms. Remains : 8643/17284 places, 40500/49140 transitions.
Discarding 23940 transitions out of 40500. Remains 16560
Initial state reduction rules removed 90 formulas.
Incomplete random walk after 10000 steps, including 22 resets, run finished after 1667 ms. (steps per millisecond=5 ) properties (out of 16470) seen :7878
Running SMT prover for 8592 properties.
[2023-03-16 21:03:29] [INFO ] Flow matrix only has 32668 transitions (discarded 7832 similar events)
[2023-03-16 21:03:29] [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)
[2023-03-16 21:03:54] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 21:03:54] [INFO ] After 25113ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 8592 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 6461 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Partial Free-agglomeration rule applied 1836 times.
Drop transitions removed 1836 transitions
Iterating global reduction 0 with 1836 rules applied. Total rules applied 1836 place count 8643 transition count 40500
Applied a total of 1836 rules in 1319 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1323 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Interrupted random walk after 146765 steps, including 312 resets, run timeout after 30001 ms. (steps per millisecond=4 ) properties seen 8541
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 265 ms. (steps per millisecond=377 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 321 ms. (steps per millisecond=311 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 289 ms. (steps per millisecond=346 ) properties (out of 50) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 276 ms. (steps per millisecond=362 ) properties (out of 48) seen :11
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 208 ms. (steps per millisecond=480 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 205 ms. (steps per millisecond=487 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 209 ms. (steps per millisecond=478 ) properties (out of 37) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 220 ms. (steps per millisecond=454 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 234 ms. (steps per millisecond=427 ) properties (out of 34) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 208 ms. (steps per millisecond=480 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 216 ms. (steps per millisecond=462 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 208 ms. (steps per millisecond=480 ) properties (out of 33) seen :0
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 250 ms. (steps per millisecond=400 ) properties (out of 33) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 210 ms. (steps per millisecond=476 ) properties (out of 31) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=473 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 209 ms. (steps per millisecond=478 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 224 ms. (steps per millisecond=446 ) properties (out of 27) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 235 ms. (steps per millisecond=425 ) properties (out of 26) seen :3
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 207 ms. (steps per millisecond=483 ) properties (out of 23) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 213 ms. (steps per millisecond=469 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 209 ms. (steps per millisecond=478 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 228 ms. (steps per millisecond=438 ) properties (out of 20) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 221 ms. (steps per millisecond=452 ) properties (out of 18) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=473 ) properties (out of 16) seen :2
Incomplete Best-First random walk after 100001 steps, including 2 resets, run finished after 210 ms. (steps per millisecond=476 ) properties (out of 14) seen :3
Running SMT prover for 11 properties.
[2023-03-16 21:04:31] [INFO ] Flow matrix only has 34446 transitions (discarded 6054 similar events)
// Phase 1: matrix 34446 rows 8643 cols
[2023-03-16 21:04:37] [INFO ] Computed 92 place invariants in 5642 ms
[2023-03-16 21:04:40] [INFO ] [Real]Absence check using 90 positive place invariants in 141 ms returned sat
[2023-03-16 21:04:40] [INFO ] [Real]Absence check using 90 positive and 2 generalized place invariants in 170 ms returned sat
[2023-03-16 21:05:05] [INFO ] After 23090ms SMT Verify possible using state equation in real domain returned unsat :0 sat :11
[2023-03-16 21:05:06] [INFO ] State equation strengthened by 27806 read => feed constraints.
[2023-03-16 21:05:25] [INFO ] After 19356ms SMT Verify possible using 27806 Read/Feed constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-16 21:05:25] [INFO ] After 47891ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:11
[2023-03-16 21:05:27] [INFO ] [Nat]Absence check using 90 positive place invariants in 129 ms returned sat
[2023-03-16 21:05:28] [INFO ] [Nat]Absence check using 90 positive and 2 generalized place invariants in 163 ms returned sat
[2023-03-16 21:05:54] [INFO ] After 24503ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :11
[2023-03-16 21:06:07] [INFO ] After 13017ms SMT Verify possible using 27806 Read/Feed constraints in natural domain returned unsat :0 sat :11
[2023-03-16 21:06:21] [INFO ] After 27518ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :11
Attempting to minimize the solution found.
Minimization took 9405 ms.
[2023-03-16 21:06:31] [INFO ] After 65955ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :11
Fused 11 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 14 out of 8643 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8643/8643 places, 40500/40500 transitions.
Partial Free-agglomeration rule applied 6258 times.
Drop transitions removed 6258 transitions
Iterating global reduction 0 with 6258 rules applied. Total rules applied 6258 place count 8643 transition count 40500
Applied a total of 6258 rules in 8656 ms. Remains 8643 /8643 variables (removed 0) and now considering 40500/40500 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8657 ms. Remains : 8643/8643 places, 40500/40500 transitions.
Finished random walk after 91312 steps, including 170 resets, run visited all 11 properties in 4306 ms. (steps per millisecond=21 )
Able to resolve query QuasiLiveness after proving 16560 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 214934 ms.
ITS solved all properties within timeout

BK_STOP 1679000804541

--------------------
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="CANInsertWithFailure-PT-090"
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 CANInsertWithFailure-PT-090, 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 r053-tajo-167813705500482"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-090.tgz
mv CANInsertWithFailure-PT-090 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 ;