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.r309-tall-167873962600159.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 lolaxred
Input is Philosophers-PT-002000, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r309-tall-167873962600159
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 77M
-rw-r--r-- 1 mcc users 2.1M Feb 25 16:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 11M Feb 25 16:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.5M Feb 25 14:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 8.8M Feb 25 14:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 1.1M Feb 25 16:33 LTLCardinality.txt
-rw-r--r-- 1 mcc users 3.7M Feb 25 16:33 LTLCardinality.xml
-rw-r--r-- 1 mcc users 702K Feb 25 16:33 LTLFireability.txt
-rw-r--r-- 1 mcc users 3.1M Feb 25 16:33 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.4M Feb 25 20:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 17M Feb 25 20:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.8M Feb 25 18:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 17M Feb 25 18:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 197K Feb 25 16:33 UpperBounds.txt
-rw-r--r-- 1 mcc users 527K Feb 25 16:33 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.5M 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 Liveness

=== Now, execution of the tool begins

BK_START 1679440516401

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=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Philosophers-PT-002000
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 23:15:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-21 23:15:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 23:15:18] [INFO ] Load time of PNML (sax parser for PT used): 370 ms
[2023-03-21 23:15:18] [INFO ] Transformed 10000 places.
[2023-03-21 23:15:18] [INFO ] Transformed 10000 transitions.
[2023-03-21 23:15:18] [INFO ] Parsed PT model containing 10000 places and 10000 transitions and 32000 arcs in 513 ms.
Built sparse matrix representations for Structural reductions in 22 ms.59008KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 226 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 228 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 147 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
// Phase 1: matrix 10000 rows 10000 cols
[2023-03-21 23:15:19] [INFO ] Computed 4000 place invariants in 79 ms
[2023-03-21 23:15:20] [INFO ] Implicit Places using invariants in 1328 ms returned []
Implicit Place search using SMT only with invariants took 1355 ms to find 0 implicit places.
[2023-03-21 23:15:20] [INFO ] Invariant cache hit.
[2023-03-21 23:15:21] [INFO ] Dead Transitions using invariants and state equation in 945 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2451 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Interrupted Random walk after 649490 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=21 )
Interrupted Random directed walk after 51760 steps, including 0 resets, run timeout after 30931 ms. (steps per millisecond=1 )
[2023-03-21 23:16:22] [INFO ] Invariant cache hit.
[2023-03-21 23:17:45] [INFO ] [Real]Absence check using 4000 positive place invariants in 74079 ms returned sat
[2023-03-21 23:17:45] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 23:21:22] [INFO ] [Real]Absence check using state equation in 217025 ms returned unknown
Interrupted Random directed walk after 51790 steps, including 0 resets, run timeout after 30850 ms. (steps per millisecond=1 )
Random walk for 500000 steps, including 0 resets, run took 24554 ms (no deadlock found). (steps per millisecond=20 )
Interrupted Random directed walk after 51764 steps, including 0 resets, run timeout after 30040 ms. (steps per millisecond=1 )
Random walk for 500000 steps, including 0 resets, run took 22613 ms (no deadlock found). (steps per millisecond=22 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 113 ms. Remains 10000 /10000 variables (removed 0) and now considering 10000/10000 (removed 0) transitions.
[2023-03-21 23:23:11] [INFO ] Invariant cache hit.
[2023-03-21 23:23:11] [INFO ] Implicit Places using invariants in 947 ms returned []
Implicit Place search using SMT only with invariants took 948 ms to find 0 implicit places.
[2023-03-21 23:23:11] [INFO ] Invariant cache hit.
[2023-03-21 23:23:12] [INFO ] Dead Transitions using invariants and state equation in 903 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1967 ms. Remains : 10000/10000 places, 10000/10000 transitions.
Interrupted Random walk after 667564 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=22 )
Interrupted Random directed walk after 51785 steps, including 0 resets, run timeout after 30078 ms. (steps per millisecond=1 )
[2023-03-21 23:24:12] [INFO ] Invariant cache hit.
[2023-03-21 23:25:36] [INFO ] [Real]Absence check using 4000 positive place invariants in 75567 ms returned unknown
Interrupted Random directed walk after 51700 steps, including 0 resets, run timeout after 30013 ms. (steps per millisecond=1 )
Random walk for 500000 steps, including 0 resets, run took 23251 ms (no deadlock found). (steps per millisecond=21 )
Interrupted Random directed walk after 51704 steps, including 0 resets, run timeout after 30145 ms. (steps per millisecond=1 )
Random walk for 500000 steps, including 0 resets, run took 22065 ms (no deadlock found). (steps per millisecond=22 )
[2023-03-21 23:27:22] [INFO ] Flatten gal took : 667 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Performed 2000 Post agglomeration using F-continuation condition.Transition count delta: 2000
Deduced a syphon composed of 2000 places in 5 ms
Reduce places removed 2000 places and 0 transitions.
Iterating global reduction 0 with 4000 rules applied. Total rules applied 4000 place count 8000 transition count 8000
Applied a total of 4000 rules in 874 ms. Remains 8000 /10000 variables (removed 2000) and now considering 8000/10000 (removed 2000) transitions.
// Phase 1: matrix 8000 rows 8000 cols
[2023-03-21 23:27:23] [INFO ] Computed 4000 place invariants in 24 ms
[2023-03-21 23:27:29] [INFO ] Implicit Places using invariants in 6184 ms returned []
[2023-03-21 23:27:29] [INFO ] Invariant cache hit.
[2023-03-21 23:27:36] [INFO ] Implicit Places using invariants and state equation in 6062 ms returned []
Implicit Place search using SMT with State Equation took 12252 ms to find 0 implicit places.
[2023-03-21 23:27:36] [INFO ] Invariant cache hit.
[2023-03-21 23:27:42] [INFO ] Dead Transitions using invariants and state equation in 6561 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 8000/10000 places, 8000/10000 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 19692 ms. Remains : 8000/10000 places, 8000/10000 transitions.
Initial state reduction rules removed 4000 formulas.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 7645 ms. (steps per millisecond=1 ) properties (out of 4000) seen :3211
Running SMT prover for 789 properties.
[2023-03-21 23:27:50] [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:399)
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 23:28:16] [WARNING] SMT solver failed with error :SMT solver raised an error when submitting script.... while checking expressions.
[2023-03-21 23:28:16] [INFO ] After 25027ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0
Fused 789 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1458 out of 8000 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 8000/8000 places, 8000/8000 transitions.
Free-agglomeration rule (complex) applied 2126 times.
Iterating global reduction 0 with 2126 rules applied. Total rules applied 2126 place count 8000 transition count 5874
Reduce places removed 3856 places and 0 transitions.
Drop transitions removed 2126 transitions
Reduce isomorphic transitions removed 2126 transitions.
Iterating post reduction 0 with 5982 rules applied. Total rules applied 8108 place count 4144 transition count 3748
Applied a total of 8108 rules in 2840 ms. Remains 4144 /8000 variables (removed 3856) and now considering 3748/8000 (removed 4252) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2841 ms. Remains : 4144/8000 places, 3748/8000 transitions.
Finished random walk after 36961 steps, including 0 resets, run visited all 789 properties in 6889 ms. (steps per millisecond=5 )
Able to resolve query QuasiLiveness after proving 8000 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 10000/10000 places, 10000/10000 transitions.
Performed 2000 Post agglomeration using F-continuation condition.Transition count delta: 2000
Deduced a syphon composed of 2000 places in 2 ms
Reduce places removed 2000 places and 0 transitions.
Iterating global reduction 0 with 4000 rules applied. Total rules applied 4000 place count 8000 transition count 8000
Applied a total of 4000 rules in 602 ms. Remains 8000 /10000 variables (removed 2000) and now considering 8000/10000 (removed 2000) transitions.
[2023-03-21 23:28:26] [INFO ] Invariant cache hit.
[2023-03-21 23:28:33] [INFO ] Implicit Places using invariants in 6491 ms returned []
[2023-03-21 23:28:33] [INFO ] Invariant cache hit.
[2023-03-21 23:28:40] [INFO ] Implicit Places using invariants and state equation in 6877 ms returned []
Implicit Place search using SMT with State Equation took 13373 ms to find 0 implicit places.
[2023-03-21 23:28:40] [INFO ] Invariant cache hit.
[2023-03-21 23:28:46] [INFO ] Dead Transitions using invariants and state equation in 6362 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 8000/10000 places, 8000/10000 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 20340 ms. Remains : 8000/10000 places, 8000/10000 transitions.
Unable to solve all queries for examination Liveness. Remains :8000 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 8000 properties from file /home/mcc/execution/Liveness.xml in 0 ms.
Working with output stream class java.io.PrintStream
Total runtime 808381 ms.
starting LoLA
BK_INPUT Philosophers-PT-002000
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

BK_STOP 1679441502971

--------------------
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 Liveness -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: reporting
lola: not produced: 8000
lola: LAUNCH SYMM
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
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lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
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lola: not produced: 8000
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lola: not produced: 8000
lola: reporting
lola: not produced: 8000
lola: reporting
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lola: reporting
lola: not produced: 8000
lola: reporting
lola: not produced: 8000
/home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin//../BenchKit_head.sh: line 63: 525 Killed lola --conf=$BIN_DIR/configfiles/globalconf --check=Liveness $DIR/model.pnml

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="Philosophers-PT-002000"
export BK_EXAMINATION="Liveness"
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 Philosophers-PT-002000, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r309-tall-167873962600159"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-002000.tgz
mv Philosophers-PT-002000 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;