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-177946846700402.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 CANConstruction-PT-040, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r048-tall-177946846700402
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.9M
-rw-r--r-- 1 mcc users 11K Mar 6 09:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 6 09:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 6 09:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 09:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Mar 15 07:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Mar 15 07:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 09:41 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 136K Mar 6 09:41 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 09:41 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 09:41 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 07:50 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 2.5M 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 1779483125731

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANConstruction-PT-040
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-22 20:52:07] [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 20:52:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:52:07] [INFO ] Load time of PNML (sax parser for PT used): 281 ms
[2026-05-22 20:52:07] [INFO ] Transformed 3682 places.
[2026-05-22 20:52:07] [INFO ] Transformed 6720 transitions.
[2026-05-22 20:52:07] [INFO ] Parsed PT model containing 3682 places and 6720 transitions and 20000 arcs in 413 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3682/3682 places, 6720/6720 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 280 rules applied. Total rules applied 280 place count 3682 transition count 6440
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 560 place count 3402 transition count 6440
Performed 1600 Post agglomeration using F-continuation condition.Transition count delta: 1600
Deduced a syphon composed of 1600 places in 11 ms
Reduce places removed 1600 places and 0 transitions.
Iterating global reduction 2 with 3200 rules applied. Total rules applied 3760 place count 1802 transition count 4840
Applied a total of 3760 rules in 557 ms. Remains 1802 /3682 variables (removed 1880) and now considering 4840/6720 (removed 1880) transitions.
// Phase 1: matrix 4840 rows 1802 cols
[2026-05-22 20:52:08] [INFO ] Computed 81 invariants in 68 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:52:10] [INFO ] Implicit Places using invariants in 2034 ms returned [5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 161, 167, 173, 179, 185, 191, 197, 203, 209, 215, 221, 227, 233, 239]
Discarding 40 places :
Implicit Place search using SMT only with invariants took 2072 ms to find 40 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1762/3682 places, 4840/6720 transitions.
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 3 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 0 with 160 rules applied. Total rules applied 160 place count 1682 transition count 4760
Applied a total of 160 rules in 88 ms. Remains 1682 /1762 variables (removed 80) and now considering 4760/4840 (removed 80) transitions.
// Phase 1: matrix 4760 rows 1682 cols
[2026-05-22 20:52:10] [INFO ] Computed 41 invariants in 56 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:52:11] [INFO ] Implicit Places using invariants in 1443 ms returned []
[2026-05-22 20:52:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 20:52:13] [INFO ] State equation strengthened by 4720 read => feed constraints.
[2026-05-22 20:52:44] [INFO ] Performed 731/1682 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-22 20:53:14] [INFO ] Performed 1589/1682 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-22 20:53:17] [INFO ] Implicit Places using invariants and state equation in 65371 ms returned []
Implicit Place search using SMT with State Equation took 66830 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 1682/3682 places, 4760/6720 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 69567 ms. Remains : 1682/3682 places, 4760/6720 transitions.
Discarding 1560 transitions out of 4760. Remains 3200
Initial state reduction rules removed 40 formulas.
[2026-05-22 20:53:19] [INFO ] Flatten gal took : 851 ms
[2026-05-22 20:53:19] [INFO ] Flatten gal took : 329 ms
[2026-05-22 20:53:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2574558283675376542.gal : 159 ms
[2026-05-22 20:53:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4836098874100821369.prop : 41 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/ReachabilityCardinality2574558283675376542.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4836098874100821369.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...328
Loading property file /tmp/ReachabilityCardinality4836098874100821369.prop.
RANDOM walk for 40000 steps (202 resets) in 15143 ms. (2 steps per ms) remains 0/3160 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 3200 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 74356 ms.

BK_STOP 1779483201493

--------------------
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="CANConstruction-PT-040"
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 CANConstruction-PT-040, 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-177946846700402"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-040.tgz
mv CANConstruction-PT-040 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 ;