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.r112-tall-177955701000157.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 DiscoveryGPU-PT-07a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701000157
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 452K
-rw-r--r-- 1 mcc users 6.6K Mar 6 16:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 6 16:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 16:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Mar 6 16:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 09:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 09:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 09:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 09:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K Mar 6 16:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 6 16:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 6 16:28 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 6 16:28 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:10 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 25K 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 1779628580779

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DiscoveryGPU-PT-07a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 13:16:22] [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]
[2026-05-24 13:16:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:16:22] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2026-05-24 13:16:22] [INFO ] Transformed 73 places.
[2026-05-24 13:16:22] [INFO ] Transformed 99 transitions.
[2026-05-24 13:16:22] [INFO ] Found NUPN structural information;
[2026-05-24 13:16:22] [INFO ] Parsed PT model containing 73 places and 99 transitions and 318 arcs in 141 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 73/73 places, 99/99 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 14 place count 66 transition count 92
Applied a total of 14 rules in 22 ms. Remains 66 /73 variables (removed 7) and now considering 92/99 (removed 7) transitions.
[2026-05-24 13:16:22] [INFO ] Flow matrix only has 85 transitions (discarded 7 similar events)
// Phase 1: matrix 85 rows 66 cols
[2026-05-24 13:16:22] [INFO ] Computed 2 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:16:22] [INFO ] Implicit Places using invariants in 198 ms returned []
[2026-05-24 13:16:22] [INFO ] Flow matrix only has 85 transitions (discarded 7 similar events)
[2026-05-24 13:16:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:16:22] [INFO ] State equation strengthened by 56 read => feed constraints.
[2026-05-24 13:16:22] [INFO ] Implicit Places using invariants and state equation in 216 ms returned [64, 65]
Discarding 2 places :
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Implicit Place search using SMT with State Equation took 453 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 64/73 places, 85/99 transitions.
Graph (trivial) has 70 edges and 64 vertex of which 28 / 64 are part of one of the 14 SCC in 3 ms
Free SCC test removed 14 places
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 21 transitions
Trivial Post-agglo rules discarded 21 transitions
Performed 21 trivial Post agglomeration. Transition count delta: 21
Iterating post reduction 0 with 21 rules applied. Total rules applied 22 place count 50 transition count 50
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 43 place count 29 transition count 50
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 2 with 28 rules applied. Total rules applied 71 place count 15 transition count 36
Applied a total of 71 rules in 13 ms. Remains 15 /64 variables (removed 49) and now considering 36/85 (removed 49) transitions.
[2026-05-24 13:16:22] [INFO ] Flow matrix only has 23 transitions (discarded 13 similar events)
// Phase 1: matrix 23 rows 15 cols
[2026-05-24 13:16:22] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:16:22] [INFO ] Implicit Places using invariants in 17 ms returned []
[2026-05-24 13:16:22] [INFO ] Flow matrix only has 23 transitions (discarded 13 similar events)
[2026-05-24 13:16:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:16:22] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 13:16:22] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 15/73 places, 36/99 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 545 ms. Remains : 15/73 places, 36/99 transitions.
Discarding 21 transitions out of 36. Remains 15
Initial state reduction rules removed 1 formulas.
RANDOM walk for 152 steps (10 resets) in 13 ms. (10 steps per ms) remains 0/14 properties
[2026-05-24 13:16:23] [INFO ] Flatten gal took : 128 ms
[2026-05-24 13:16:23] [INFO ] Flatten gal took : 2 ms
[2026-05-24 13:16:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6768816248625980148.gal : 4 ms
[2026-05-24 13:16:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5605426919162237877.prop : 1 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/ReachabilityCardinality6768816248625980148.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5605426919162237877.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 ...328
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 15 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 969 ms.

BK_STOP 1779628583125

--------------------
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="DiscoveryGPU-PT-07a"
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 DiscoveryGPU-PT-07a, 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 r112-tall-177955701000157"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-07a.tgz
mv DiscoveryGPU-PT-07a 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 ;