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.r096-smll-177946996500167.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is Dekker-PT-020, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996500167
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 8.6K Mar 4 18:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 4 18:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 4 18:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 4 18:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K Mar 4 18:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 4 18:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 4 18:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 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 247K 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 1779531258877

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Dekker-PT-020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 10:14:21] [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]
[2026-05-23 10:14:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:14:22] [INFO ] Load time of PNML (sax parser for PT used): 256 ms
[2026-05-23 10:14:22] [INFO ] Transformed 100 places.
[2026-05-23 10:14:22] [INFO ] Transformed 440 transitions.
[2026-05-23 10:14:22] [INFO ] Found NUPN structural information;
[2026-05-23 10:14:22] [INFO ] Parsed PT model containing 100 places and 440 transitions and 3240 arcs in 508 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 100/100 places, 440/440 transitions.
Applied a total of 0 rules in 35 ms. Remains 100 /100 variables (removed 0) and now considering 440/440 (removed 0) transitions.
[2026-05-23 10:14:22] [INFO ] Flow matrix only has 80 transitions (discarded 360 similar events)
// Phase 1: matrix 80 rows 100 cols
[2026-05-23 10:14:22] [INFO ] Computed 60 invariants in 17 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:14:23] [INFO ] Implicit Places using invariants in 976 ms returned [40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97]
Discarding 20 places :
Implicit Place search using SMT only with invariants took 1089 ms to find 20 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 80/100 places, 440/440 transitions.
Applied a total of 0 rules in 12 ms. Remains 80 /80 variables (removed 0) and now considering 440/440 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1176 ms. Remains : 80/100 places, 440/440 transitions.
Discarding 20 transitions out of 440. Remains 420
RANDOM walk for 40000 steps (8 resets) in 3371 ms. (11 steps per ms) remains 28/420 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 26/28 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 24/26 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 22/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 41 ms. (95 steps per ms) remains 20/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 44 ms. (88 steps per ms) remains 17/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/17 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 14/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 16 ms. (235 steps per ms) remains 13/14 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 11/13 properties
BEST_FIRST walk for 4004 steps (8 resets) in 27 ms. (143 steps per ms) remains 9/11 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 7/9 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 6/7 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 4/6 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 2/4 properties
BEST_FIRST walk for 2095 steps (4 resets) in 11 ms. (174 steps per ms) remains 0/2 properties
[2026-05-23 10:14:24] [INFO ] Flatten gal took : 286 ms
[2026-05-23 10:14:24] [INFO ] Flatten gal took : 76 ms
[2026-05-23 10:14:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10029727424642475653.gal : 53 ms
[2026-05-23 10:14:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10427047248006459360.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/ReachabilityCardinality10029727424642475653.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10427047248006459360.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 420 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 3538 ms.

BK_STOP 1779531265154

--------------------
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="Dekker-PT-020"
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 Dekker-PT-020, 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 r096-smll-177946996500167"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-020.tgz
mv Dekker-PT-020 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 ;