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.r023-oct2-167813610200182.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 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 AirplaneLD-PT-1000, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r023-oct2-167813610200182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 21M
-rw-r--r-- 1 mcc users 589K Feb 26 12:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.9M Feb 26 12:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 235K Feb 26 11:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 1.3M Feb 26 11:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 425K Feb 25 15:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 1.1M Feb 25 15:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 103K Feb 25 15:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 450K Feb 25 15:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.6M Feb 26 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 5.3M Feb 26 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 554K Feb 26 12:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 3.0M Feb 26 12:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 84K Feb 25 15:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 168K Feb 25 15:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 4.3M 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 1678987839440

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=AirplaneLD-PT-1000
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-16 17:30:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 17:30:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 17:30:43] [INFO ] Load time of PNML (sax parser for PT used): 387 ms
[2023-03-16 17:30:43] [INFO ] Transformed 7019 places.
[2023-03-16 17:30:43] [INFO ] Transformed 8008 transitions.
[2023-03-16 17:30:43] [INFO ] Parsed PT model containing 7019 places and 8008 transitions and 30528 arcs in 574 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 7019/7019 places, 8008/8008 transitions.
Reduce places removed 3005 places and 0 transitions.
Iterating post reduction 0 with 3005 rules applied. Total rules applied 3005 place count 4014 transition count 8008
Applied a total of 3005 rules in 299 ms. Remains 4014 /7019 variables (removed 3005) and now considering 8008/8008 (removed 0) transitions.
// Phase 1: matrix 8008 rows 4014 cols
[2023-03-16 17:30:45] [INFO ] Computed 1 place invariants in 1784 ms
[2023-03-16 17:30:46] [INFO ] SMT solver returned unknown. Retrying;
[2023-03-16 17:30:50] [INFO ] Implicit Places using invariants in 7003 ms returned [4013]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 7084 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 4013/7019 places, 8008/8008 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 2 rules applied. Total rules applied 2 place count 4013 transition count 8006
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 4011 transition count 8006
Applied a total of 4 rules in 112 ms. Remains 4011 /4013 variables (removed 2) and now considering 8006/8008 (removed 2) transitions.
// Phase 1: matrix 8006 rows 4011 cols
[2023-03-16 17:30:52] [INFO ] Computed 0 place invariants in 1537 ms
[2023-03-16 17:30:56] [INFO ] Implicit Places using invariants in 5238 ms returned []
[2023-03-16 17:30:56] [INFO ] Invariant cache hit.
[2023-03-16 17:30:57] [INFO ] Implicit Places using invariants and state equation in 1371 ms returned []
Implicit Place search using SMT with State Equation took 6622 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 4011/7019 places, 8006/8008 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 14119 ms. Remains : 4011/7019 places, 8006/8008 transitions.
Discarding 3999 transitions out of 8006. Remains 4007
Initial state reduction rules removed 5 formulas.
Incomplete random walk after 10000 steps, including 1438 resets, run finished after 7009 ms. (steps per millisecond=1 ) properties (out of 4002) seen :592
Running SMT prover for 3410 properties.
[2023-03-16 17:31:05] [INFO ] Invariant cache hit.
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)
[2023-03-16 17:32:19] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-16 17:32:19] [INFO ] After 25073ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 3410 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 3413 out of 4011 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4011/4011 places, 8006/8006 transitions.
Graph (complete) has 5509 edges and 4011 vertex of which 4010 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.17 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 4010 transition count 8003
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 4 place count 4010 transition count 8001
Deduced a syphon composed of 2 places in 5 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 5 rules applied. Total rules applied 9 place count 4007 transition count 8001
Discarding 585 places :
Symmetric choice reduction at 1 with 585 rule applications. Total rules 594 place count 3422 transition count 7416
Iterating global reduction 1 with 585 rules applied. Total rules applied 1179 place count 3422 transition count 7416
Ensure Unique test removed 585 transitions
Reduce isomorphic transitions removed 585 transitions.
Iterating post reduction 1 with 585 rules applied. Total rules applied 1764 place count 3422 transition count 6831
Free-agglomeration rule applied 5 times.
Iterating global reduction 2 with 5 rules applied. Total rules applied 1769 place count 3422 transition count 6826
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 2 with 5 rules applied. Total rules applied 1774 place count 3417 transition count 6826
Applied a total of 1774 rules in 718 ms. Remains 3417 /4011 variables (removed 594) and now considering 6826/8006 (removed 1180) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 719 ms. Remains : 3417/4011 places, 6826/8006 transitions.
Interrupted random walk after 107106 steps, including 15836 resets, run timeout after 30001 ms. (steps per millisecond=3 ) properties seen 3398
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 442 ms. (steps per millisecond=2262 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 412 ms. (steps per millisecond=2427 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 351 ms. (steps per millisecond=2849 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 330 ms. (steps per millisecond=3030 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 311 ms. (steps per millisecond=3215 ) properties (out of 8) seen :1
Incomplete Best-First random walk after 1000001 steps, including 141 resets, run finished after 321 ms. (steps per millisecond=3115 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 1000001 steps, including 141 resets, run finished after 324 ms. (steps per millisecond=3086 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1000001 steps, including 141 resets, run finished after 303 ms. (steps per millisecond=3300 ) properties (out of 5) seen :1
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 313 ms. (steps per millisecond=3194 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 1000001 steps, including 141 resets, run finished after 352 ms. (steps per millisecond=2840 ) properties (out of 3) seen :1
Incomplete Best-First random walk after 1000001 steps, including 142 resets, run finished after 294 ms. (steps per millisecond=3401 ) properties (out of 2) seen :1
Finished Best-First random walk after 6740 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=2246 )
Able to resolve query QuasiLiveness after proving 4007 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 131411 ms.
ITS solved all properties within timeout

BK_STOP 1678987974502

--------------------
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="AirplaneLD-PT-1000"
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 AirplaneLD-PT-1000, 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 r023-oct2-167813610200182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AirplaneLD-PT-1000.tgz
mv AirplaneLD-PT-1000 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 ;