Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r048-tall-177946846800452.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............
=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is CANInsertWithFailure-PT-030, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846800452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.2M
-rw-r--r-- 1 mcc users 11K Mar 6 10:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K Mar 6 10:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 6 10:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 10:39 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.7K Mar 15 07:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 28K Mar 6 10:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 241K Mar 6 10:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 10:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 6 10:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 07:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 5.6M Mar 3 18:30 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 1779483588683

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANInsertWithFailure-PT-030
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 20:59:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 20:59:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:59:50] [INFO ] Load time of PNML (sax parser for PT used): 305 ms
[2026-05-22 20:59:50] [INFO ] Transformed 2164 places.
[2026-05-22 20:59:50] [INFO ] Transformed 5580 transitions.
[2026-05-22 20:59:50] [INFO ] Parsed PT model containing 2164 places and 5580 transitions and 15000 arcs in 454 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2164/2164 places, 5580/5580 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 210 transitions
Trivial Post-agglo rules discarded 210 transitions
Performed 210 trivial Post agglomeration. Transition count delta: 210
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 2163 transition count 5370
Reduce places removed 210 places and 0 transitions.
Iterating post reduction 1 with 210 rules applied. Total rules applied 421 place count 1953 transition count 5370
Performed 870 Post agglomeration using F-continuation condition.Transition count delta: 870
Deduced a syphon composed of 870 places in 9 ms
Reduce places removed 870 places and 0 transitions.
Iterating global reduction 2 with 1740 rules applied. Total rules applied 2161 place count 1083 transition count 4500
Applied a total of 2161 rules in 380 ms. Remains 1083 /2164 variables (removed 1081) and now considering 4500/5580 (removed 1080) transitions.
[2026-05-22 20:59:50] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
// Phase 1: matrix 3688 rows 1083 cols
[2026-05-22 20:59:51] [INFO ] Computed 32 invariants in 115 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:59:51] [INFO ] Implicit Places using invariants in 1001 ms returned []
[2026-05-22 20:59:51] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2026-05-22 20:59:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:59:52] [INFO ] State equation strengthened by 2668 read => feed constraints.
[2026-05-22 21:00:03] [INFO ] Implicit Places using invariants and state equation in 11691 ms returned []
Implicit Place search using SMT with State Equation took 12732 ms to find 0 implicit places.
Running 4470 sub problems to find dead transitions.
[2026-05-22 21:00:03] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2026-05-22 21:00:03] [INFO ] Invariant cache hit.
[2026-05-22 21:00:03] [INFO ] State equation strengthened by 2668 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1082 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 4470 unsolved
SMT process timed out in 32350ms, After SMT, problems are : Problem set: 0 solved, 4470 unsolved
Search for dead transitions found 0 dead transitions in 32393ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1083/2164 places, 4500/5580 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 45555 ms. Remains : 1083/2164 places, 4500/5580 transitions.
Discarding 2580 transitions out of 4500. Remains 1920
Initial state reduction rules removed 30 formulas.
[2026-05-22 21:00:37] [INFO ] Flatten gal took : 428 ms
[2026-05-22 21:00:37] [INFO ] Flatten gal took : 248 ms
RANDOM walk for 40000 steps (258 resets) in 4660 ms. (8 steps per ms) remains 0/1890 properties
[2026-05-22 21:00:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12577318133789537549.gal : 84 ms
[2026-05-22 21:00:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6217803369852321018.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12577318133789537549.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6217803369852321018.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1920 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 47601 ms.

BK_STOP 1779483637716

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="CANInsertWithFailure-PT-030"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is CANInsertWithFailure-PT-030, 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 r048-tall-177946846800452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-030.tgz
mv CANInsertWithFailure-PT-030 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.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 ;