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.r247-tall-167856434300332.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is LeafsetExtension-PT-S64C3, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r247-tall-167856434300332
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 11K Feb 25 16:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 25 16:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 16:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Feb 25 16:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.7K Feb 25 16:21 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 16:21 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Feb 25 16:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 31K Feb 25 16:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 194K Feb 25 16:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Feb 25 16:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 36K Feb 25 16:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.3K Feb 25 16:21 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 14M 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 1678713536155

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=LeafsetExtension-PT-S64C3
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-13 13:18:57] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-13 13:18:57] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 13:18:58] [INFO ] Load time of PNML (sax parser for PT used): 519 ms
[2023-03-13 13:18:58] [INFO ] Transformed 21462 places.
[2023-03-13 13:18:58] [INFO ] Transformed 21129 transitions.
[2023-03-13 13:18:58] [INFO ] Parsed PT model containing 21462 places and 21129 transitions and 67740 arcs in 680 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 21462/21462 places, 21129/21129 transitions.
Reduce places removed 4229 places and 0 transitions.
Drop transitions removed 8320 transitions
Trivial Post-agglo rules discarded 8320 transitions
Performed 8320 trivial Post agglomeration. Transition count delta: 8320
Iterating post reduction 0 with 12549 rules applied. Total rules applied 12549 place count 17233 transition count 12809
Reduce places removed 8320 places and 0 transitions.
Iterating post reduction 1 with 8320 rules applied. Total rules applied 20869 place count 8913 transition count 12809
Performed 130 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 130 Pre rules applied. Total rules applied 20869 place count 8913 transition count 12679
Deduced a syphon composed of 130 places in 25 ms
Reduce places removed 130 places and 0 transitions.
Iterating global reduction 2 with 260 rules applied. Total rules applied 21129 place count 8783 transition count 12679
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 11 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 21133 place count 8781 transition count 12677
Applied a total of 21133 rules in 842 ms. Remains 8781 /21462 variables (removed 12681) and now considering 12677/21129 (removed 8452) transitions.
// Phase 1: matrix 12677 rows 8781 cols
[2023-03-13 13:19:00] [INFO ] Computed 198 place invariants in 1028 ms
[2023-03-13 13:19:01] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-13 13:19:01] [INFO ] Implicit Places using invariants in 2085 ms returned []
Implicit Place search using SMT only with invariants took 2273 ms to find 0 implicit places.
[2023-03-13 13:19:01] [INFO ] Invariant cache hit.
[2023-03-13 13:19:02] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-13 13:19:02] [INFO ] Dead Transitions using invariants and state equation in 884 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 8781/21462 places, 12677/21129 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 4006 ms. Remains : 8781/21462 places, 12677/21129 transitions.
Initial state reduction rules removed 65 formulas.
Incomplete random walk after 10000 steps, including 595 resets, run finished after 1667 ms. (steps per millisecond=5 ) properties (out of 12612) seen :3581
Running SMT prover for 9031 properties.
[2023-03-13 13:19:04] [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:2347)
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)
[2023-03-13 13:19:48] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-13 13:19:48] [INFO ] After 25053ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 9031 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 7958 out of 8781 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8781/8781 places, 12677/12677 transitions.
Discarding 171 places :
Symmetric choice reduction at 0 with 171 rule applications. Total rules 171 place count 8610 transition count 12506
Iterating global reduction 0 with 171 rules applied. Total rules applied 342 place count 8610 transition count 12506
Applied a total of 342 rules in 452 ms. Remains 8610 /8781 variables (removed 171) and now considering 12506/12677 (removed 171) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 458 ms. Remains : 8610/8781 places, 12506/12677 transitions.
Interrupted random walk after 132059 steps, including 7859 resets, run timeout after 30001 ms. (steps per millisecond=4 ) properties seen 8988
Incomplete Best-First random walk after 100001 steps, including 170 resets, run finished after 271 ms. (steps per millisecond=369 ) properties (out of 43) seen :3
Incomplete Best-First random walk after 100001 steps, including 172 resets, run finished after 267 ms. (steps per millisecond=374 ) properties (out of 40) seen :3
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 264 ms. (steps per millisecond=378 ) properties (out of 37) seen :4
Incomplete Best-First random walk after 100001 steps, including 172 resets, run finished after 237 ms. (steps per millisecond=421 ) properties (out of 33) seen :4
Incomplete Best-First random walk after 100001 steps, including 172 resets, run finished after 257 ms. (steps per millisecond=389 ) properties (out of 29) seen :4
Incomplete Best-First random walk after 100001 steps, including 173 resets, run finished after 239 ms. (steps per millisecond=418 ) properties (out of 25) seen :3
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 228 ms. (steps per millisecond=438 ) properties (out of 22) seen :5
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 225 ms. (steps per millisecond=444 ) properties (out of 17) seen :2
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 220 ms. (steps per millisecond=454 ) properties (out of 15) seen :3
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 202 ms. (steps per millisecond=495 ) properties (out of 12) seen :4
Incomplete Best-First random walk after 100001 steps, including 171 resets, run finished after 278 ms. (steps per millisecond=359 ) properties (out of 8) seen :2
Incomplete Best-First random walk after 100001 steps, including 146 resets, run finished after 185 ms. (steps per millisecond=540 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 100001 steps, including 152 resets, run finished after 197 ms. (steps per millisecond=507 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 100001 steps, including 151 resets, run finished after 192 ms. (steps per millisecond=520 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 100001 steps, including 150 resets, run finished after 187 ms. (steps per millisecond=534 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 100001 steps, including 149 resets, run finished after 185 ms. (steps per millisecond=540 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 12506 rows 8610 cols
[2023-03-13 13:20:23] [INFO ] Computed 198 place invariants in 794 ms
[2023-03-13 13:20:24] [INFO ] [Real]Absence check using 0 positive and 198 generalized place invariants in 179 ms returned sat
[2023-03-13 13:20:36] [INFO ] After 11114ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:3
[2023-03-13 13:20:37] [INFO ] After 12584ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 13:20:37] [INFO ] After 14603ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-13 13:20:39] [INFO ] [Nat]Absence check using 0 positive and 198 generalized place invariants in 182 ms returned sat
[2023-03-13 13:20:50] [INFO ] After 10755ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-13 13:20:54] [INFO ] After 14249ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 1905 ms.
[2023-03-13 13:20:56] [INFO ] After 18218ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Finished Parikh walk after 9 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=9 )
Parikh walk visited 5 properties in 70 ms.
Able to resolve query QuasiLiveness after proving 12677 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 118538 ms.
ITS solved all properties within timeout

BK_STOP 1678713657274

--------------------
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:
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="LeafsetExtension-PT-S64C3"
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 LeafsetExtension-PT-S64C3, 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 r247-tall-167856434300332"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LeafsetExtension-PT-S64C3.tgz
mv LeafsetExtension-PT-S64C3 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 ;