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.r263-smll-167863538300445.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 Parking-PT-832, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r263-smll-167863538300445
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 724K
-rw-r--r-- 1 mcc users 7.9K Feb 26 15:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Feb 26 15:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Feb 26 15:17 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 26 15:17 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 16:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 26 17:05 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Feb 26 17:05 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Feb 26 16:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 70K Feb 26 16:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Feb 25 16:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 251K 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 positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME Parking-PT-832-UpperBounds-00
FORMULA_NAME Parking-PT-832-UpperBounds-01
FORMULA_NAME Parking-PT-832-UpperBounds-02
FORMULA_NAME Parking-PT-832-UpperBounds-03
FORMULA_NAME Parking-PT-832-UpperBounds-04
FORMULA_NAME Parking-PT-832-UpperBounds-05
FORMULA_NAME Parking-PT-832-UpperBounds-06
FORMULA_NAME Parking-PT-832-UpperBounds-07
FORMULA_NAME Parking-PT-832-UpperBounds-08
FORMULA_NAME Parking-PT-832-UpperBounds-09
FORMULA_NAME Parking-PT-832-UpperBounds-10
FORMULA_NAME Parking-PT-832-UpperBounds-11
FORMULA_NAME Parking-PT-832-UpperBounds-12
FORMULA_NAME Parking-PT-832-UpperBounds-13
FORMULA_NAME Parking-PT-832-UpperBounds-14
FORMULA_NAME Parking-PT-832-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1678792630631

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=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Parking-PT-832
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-14 11:17:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2023-03-14 11:17:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 11:17:14] [INFO ] Load time of PNML (sax parser for PT used): 324 ms
[2023-03-14 11:17:14] [INFO ] Transformed 737 places.
[2023-03-14 11:17:14] [INFO ] Transformed 993 transitions.
[2023-03-14 11:17:14] [INFO ] Found NUPN structural information;
[2023-03-14 11:17:14] [INFO ] Parsed PT model containing 737 places and 993 transitions and 2993 arcs in 481 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Ensure Unique test removed 384 transitions
Reduce redundant transitions removed 384 transitions.
// Phase 1: matrix 609 rows 737 cols
[2023-03-14 11:17:14] [INFO ] Computed 184 place invariants in 45 ms
Incomplete random walk after 10000 steps, including 50 resets, run finished after 230 ms. (steps per millisecond=43 ) properties (out of 16) seen :13
FORMULA Parking-PT-832-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 3) seen :0
[2023-03-14 11:17:14] [INFO ] Invariant cache hit.
[2023-03-14 11:17:15] [INFO ] [Real]Absence check using 176 positive place invariants in 117 ms returned sat
[2023-03-14 11:17:15] [INFO ] [Real]Absence check using 176 positive and 8 generalized place invariants in 17 ms returned sat
[2023-03-14 11:17:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 11:17:16] [INFO ] [Real]Absence check using state equation in 540 ms returned sat
[2023-03-14 11:17:16] [INFO ] Solution in real domain found non-integer solution.
[2023-03-14 11:17:16] [INFO ] [Nat]Absence check using 176 positive place invariants in 80 ms returned sat
[2023-03-14 11:17:16] [INFO ] [Nat]Absence check using 176 positive and 8 generalized place invariants in 6 ms returned sat
[2023-03-14 11:17:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-14 11:17:17] [INFO ] [Nat]Absence check using state equation in 350 ms returned sat
[2023-03-14 11:17:17] [INFO ] State equation strengthened by 152 read => feed constraints.
[2023-03-14 11:17:17] [INFO ] [Nat]Added 152 Read/Feed constraints in 169 ms returned sat
[2023-03-14 11:17:17] [INFO ] Computed and/alt/rep : 608/1920/608 causal constraints (skipped 0 transitions) in 64 ms.
[2023-03-14 11:17:21] [INFO ] Added : 228 causal constraints over 46 iterations in 3995 ms. Result :sat
Minimization took 20 ms.
[2023-03-14 11:17:21] [INFO ] [Real]Absence check using 176 positive place invariants in 88 ms returned sat
[2023-03-14 11:17:21] [INFO ] [Real]Absence check using 176 positive and 8 generalized place invariants in 4 ms returned sat
[2023-03-14 11:17:21] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 11:17:22] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2023-03-14 11:17:22] [INFO ] Solution in real domain found non-integer solution.
[2023-03-14 11:17:22] [INFO ] [Nat]Absence check using 176 positive place invariants in 88 ms returned sat
[2023-03-14 11:17:22] [INFO ] [Nat]Absence check using 176 positive and 8 generalized place invariants in 4 ms returned sat
[2023-03-14 11:17:22] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-14 11:17:22] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2023-03-14 11:17:23] [INFO ] [Nat]Added 152 Read/Feed constraints in 169 ms returned sat
[2023-03-14 11:17:23] [INFO ] Computed and/alt/rep : 608/1920/608 causal constraints (skipped 0 transitions) in 65 ms.
[2023-03-14 11:17:27] [INFO ] Deduced a trap composed of 3 places in 692 ms of which 12 ms to minimize.
[2023-03-14 11:17:27] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 1
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.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithCausalOrder(DeadlockTester.java:1177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:923)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2620)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:186)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:714)
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)
[2023-03-14 11:17:28] [INFO ] [Real]Absence check using 176 positive place invariants in 94 ms returned sat
[2023-03-14 11:17:28] [INFO ] [Real]Absence check using 176 positive and 8 generalized place invariants in 5 ms returned sat
[2023-03-14 11:17:28] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-14 11:17:28] [INFO ] [Real]Absence check using state equation in 426 ms returned sat
[2023-03-14 11:17:28] [INFO ] Solution in real domain found non-integer solution.
[2023-03-14 11:17:29] [INFO ] [Nat]Absence check using 176 positive place invariants in 89 ms returned sat
[2023-03-14 11:17:29] [INFO ] [Nat]Absence check using 176 positive and 8 generalized place invariants in 5 ms returned sat
[2023-03-14 11:17:29] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-14 11:17:29] [INFO ] [Nat]Absence check using state equation in 363 ms returned sat
[2023-03-14 11:17:29] [INFO ] [Nat]Added 152 Read/Feed constraints in 155 ms returned sat
[2023-03-14 11:17:29] [INFO ] Computed and/alt/rep : 608/1920/608 causal constraints (skipped 0 transitions) in 49 ms.
[2023-03-14 11:17:33] [INFO ] Added : 235 causal constraints over 47 iterations in 4141 ms. Result :unknown
Current structural bounds on expressions (after SMT) : [1, 1, 1] Max seen :[0, 0, 0]
FORMULA Parking-PT-832-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Support contains 2 out of 737 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 737/737 places, 609/609 transitions.
Drop transitions removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 0 with 16 rules applied. Total rules applied 16 place count 737 transition count 593
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 1 with 16 rules applied. Total rules applied 32 place count 721 transition count 593
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 32 place count 721 transition count 577
Deduced a syphon composed of 16 places in 2 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 64 place count 705 transition count 577
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 72 place count 697 transition count 569
Iterating global reduction 2 with 8 rules applied. Total rules applied 80 place count 697 transition count 569
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Deduced a syphon composed of 24 places in 3 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 2 with 48 rules applied. Total rules applied 128 place count 673 transition count 545
Free-agglomeration rule applied 128 times.
Iterating global reduction 2 with 128 rules applied. Total rules applied 256 place count 673 transition count 417
Reduce places removed 128 places and 0 transitions.
Graph (complete) has 1104 edges and 545 vertex of which 149 are kept as prefixes of interest. Removing 396 places using SCC suffix rule.2 ms
Discarding 396 places :
Also discarding 288 output transitions
Drop transitions removed 288 transitions
Iterating post reduction 2 with 129 rules applied. Total rules applied 385 place count 149 transition count 129
Drop transitions removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 3 with 24 rules applied. Total rules applied 409 place count 149 transition count 105
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 410 place count 148 transition count 104
Reduce places removed 44 places and 0 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 4 with 100 rules applied. Total rules applied 510 place count 104 transition count 48
Reduce places removed 56 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 5 with 68 rules applied. Total rules applied 578 place count 48 transition count 36
Reduce places removed 8 places and 0 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 6 with 10 rules applied. Total rules applied 588 place count 40 transition count 34
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 7 with 2 rules applied. Total rules applied 590 place count 38 transition count 34
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 8 with 10 Pre rules applied. Total rules applied 590 place count 38 transition count 24
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 8 with 20 rules applied. Total rules applied 610 place count 28 transition count 24
Applied a total of 610 rules in 293 ms. Remains 28 /737 variables (removed 709) and now considering 24/609 (removed 585) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 297 ms. Remains : 28/737 places, 24/609 transitions.
// Phase 1: matrix 24 rows 28 cols
[2023-03-14 11:17:34] [INFO ] Computed 14 place invariants in 2 ms
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1339 ms. (steps per millisecond=746 ) properties (out of 2) seen :2
FORMULA Parking-PT-832-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Parking-PT-832-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
All properties solved without resorting to model-checking.
Total runtime 22069 ms.
ITS solved all properties within timeout

BK_STOP 1678792656868

--------------------
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 UpperBounds -timeout 360 -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="Parking-PT-832"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 Parking-PT-832, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r263-smll-167863538300445"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Parking-PT-832.tgz
mv Parking-PT-832 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;