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.r503-tall-167912727800777.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 ViralEpidemic-PT-S02D1C1A10, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r503-tall-167912727800777
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.3M
-rw-r--r-- 1 mcc users 11K Feb 25 20:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 25 20:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 25 20:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 25 20:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.7K Feb 25 17:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 17:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 21:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Feb 25 21:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 25 20:57 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 20:57 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 17:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 8.8M Mar 5 18:23 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 1679522595950

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=ViralEpidemic-PT-S02D1C1A10
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-22 22:03:17] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-22 22:03:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 22:03:18] [INFO ] Load time of PNML (sax parser for PT used): 517 ms
[2023-03-22 22:03:18] [INFO ] Transformed 8189 places.
[2023-03-22 22:03:18] [INFO ] Transformed 10235 transitions.
[2023-03-22 22:03:18] [INFO ] Found NUPN structural information;
[2023-03-22 22:03:18] [INFO ] Parsed PT model containing 8189 places and 10235 transitions and 22517 arcs in 672 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 8189/8189 places, 10235/10235 transitions.
Applied a total of 0 rules in 134 ms. Remains 8189 /8189 variables (removed 0) and now considering 10235/10235 (removed 0) transitions.
// Phase 1: matrix 10235 rows 8189 cols
[2023-03-22 22:03:19] [INFO ] Invariants computation overflowed in 1248 ms
[2023-03-22 22:03:21] [INFO ] Implicit Places using invariants in 2674 ms returned []
Implicit Place search using SMT only with invariants took 2897 ms to find 0 implicit places.
// Phase 1: matrix 10235 rows 8189 cols
[2023-03-22 22:03:22] [INFO ] Invariants computation overflowed in 855 ms
[2023-03-22 22:03:23] [INFO ] Dead Transitions using invariants and state equation in 1869 ms found 0 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 4904 ms. Remains : 8189/8189 places, 10235/10235 transitions.
Discarding 2046 transitions out of 10235. Remains 8189
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1003 resets, run finished after 8752 ms. (steps per millisecond=1 ) properties (out of 8188) seen :1912
Running SMT prover for 6276 properties.
// Phase 1: matrix 10235 rows 8189 cols
[2023-03-22 22:03:33] [INFO ] Invariants computation overflowed in 822 ms
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:629)
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)
[2023-03-22 22:04:04] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-22 22:04:04] [INFO ] After 25055ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 6276 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 6276 out of 8189 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8189/8189 places, 10235/10235 transitions.
Graph (complete) has 4094 edges and 8189 vertex of which 7047 are kept as prefixes of interest. Removing 1142 places using SCC suffix rule.16 ms
Discarding 1142 places :
Also discarding 440 output transitions
Drop transitions removed 440 transitions
Drop transitions removed 1540 transitions
Reduce isomorphic transitions removed 1540 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 1542 rules applied. Total rules applied 1543 place count 7047 transition count 8253
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 1545 place count 7045 transition count 8253
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 48 Pre rules applied. Total rules applied 1545 place count 7045 transition count 8205
Deduced a syphon composed of 48 places in 3 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 2 with 96 rules applied. Total rules applied 1641 place count 6997 transition count 8205
Performed 359 Post agglomeration using F-continuation condition.Transition count delta: 359
Deduced a syphon composed of 359 places in 8 ms
Reduce places removed 359 places and 0 transitions.
Iterating global reduction 2 with 718 rules applied. Total rules applied 2359 place count 6638 transition count 7846
Renaming transitions due to excessive name length > 1024 char.
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 2360 place count 6637 transition count 7845
Applied a total of 2360 rules in 683 ms. Remains 6637 /8189 variables (removed 1552) and now considering 7845/10235 (removed 2390) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 684 ms. Remains : 6637/8189 places, 7845/10235 transitions.
Interrupted random walk after 142591 steps, including 86 resets, run timeout after 30001 ms. (steps per millisecond=4 ) properties seen 6268
Interrupted Best-First random walk after 85891 steps, including 0 resets, run timeout after 5027 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 86779 steps, including 0 resets, run timeout after 5018 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 86163 steps, including 0 resets, run timeout after 5003 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 87845 steps, including 0 resets, run timeout after 5036 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 87423 steps, including 0 resets, run timeout after 5035 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 86989 steps, including 0 resets, run timeout after 5021 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 87754 steps, including 0 resets, run timeout after 5033 ms. (steps per millisecond=17 ) properties seen 0
Interrupted Best-First random walk after 86853 steps, including 0 resets, run timeout after 5021 ms. (steps per millisecond=17 ) properties seen 0
Running SMT prover for 8 properties.
// Phase 1: matrix 7845 rows 6637 cols
[2023-03-22 22:05:15] [INFO ] Computed 361 place invariants in 455 ms
[2023-03-22 22:05:17] [INFO ] [Real]Absence check using 0 positive and 361 generalized place invariants in 194 ms returned sat
[2023-03-22 22:05:18] [INFO ] After 2548ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-22 22:05:19] [INFO ] [Nat]Absence check using 0 positive and 361 generalized place invariants in 336 ms returned sat
[2023-03-22 22:06:42] [INFO ] After 84316ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :0
Fused 8 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 8 out of 6637 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6637/6637 places, 7845/7845 transitions.
Graph (complete) has 3138 edges and 6637 vertex of which 16 are kept as prefixes of interest. Removing 6621 places using SCC suffix rule.2 ms
Discarding 6621 places :
Also discarding 7815 output transitions
Drop transitions removed 7815 transitions
Drop transitions removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 16 transition count 13
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 21 place count 13 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 21 place count 13 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 25 place count 11 transition count 11
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 2 with 1 rules applied. Total rules applied 26 place count 10 transition count 10
Applied a total of 26 rules in 19 ms. Remains 10 /6637 variables (removed 6627) and now considering 10/7845 (removed 7835) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 10/6637 places, 10/7845 transitions.
Finished random walk after 3 steps, including 0 resets, run visited all 8 properties in 1 ms. (steps per millisecond=3 )
Able to resolve query QuasiLiveness after proving 8189 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 205038 ms.
ITS solved all properties within timeout

BK_STOP 1679522803363

--------------------
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="ViralEpidemic-PT-S02D1C1A10"
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 ViralEpidemic-PT-S02D1C1A10, 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 r503-tall-167912727800777"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S02D1C1A10.tgz
mv ViralEpidemic-PT-S02D1C1A10 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 ;