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.r144-smll-177955812600222.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 FlexibleBarrier-PT-10a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812600222
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 656K
-rw-r--r-- 1 mcc users 8.4K Mar 7 06:29 CTLCardinality.txt
-rw-r--r-- 1 mcc users 98K Mar 7 06:29 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 7 06:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 06:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 10:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 06:29 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 145K Mar 7 06:29 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 06:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 105K Mar 7 06:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:12 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 94K 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 1779636207828

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-10a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 15:23:30] [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 15:23:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:23:31] [INFO ] Load time of PNML (sax parser for PT used): 178 ms
[2026-05-24 15:23:31] [INFO ] Transformed 123 places.
[2026-05-24 15:23:31] [INFO ] Transformed 334 transitions.
[2026-05-24 15:23:31] [INFO ] Found NUPN structural information;
[2026-05-24 15:23:31] [INFO ] Parsed PT model containing 123 places and 334 transitions and 1467 arcs in 410 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 123/123 places, 334/334 transitions.
Graph (trivial) has 101 edges and 123 vertex of which 30 / 123 are part of one of the 10 SCC in 5 ms
Free SCC test removed 20 places
Ensure Unique test removed 138 transitions
Reduce isomorphic transitions removed 138 transitions.
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 1 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 0 with 60 rules applied. Total rules applied 61 place count 73 transition count 166
Applied a total of 61 rules in 83 ms. Remains 73 /123 variables (removed 50) and now considering 166/334 (removed 168) transitions.
[2026-05-24 15:23:31] [INFO ] Flow matrix only has 92 transitions (discarded 74 similar events)
// Phase 1: matrix 92 rows 73 cols
[2026-05-24 15:23:31] [INFO ] Computed 12 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 15:23:31] [INFO ] Implicit Places using invariants in 575 ms returned [71, 72]
Discarding 2 places :
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Implicit Place search using SMT only with invariants took 647 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 71/123 places, 156/334 transitions.
Graph (trivial) has 110 edges and 71 vertex of which 70 / 71 are part of one of the 10 SCC in 1 ms
Free SCC test removed 60 places
Ensure Unique test removed 100 transitions
Reduce isomorphic transitions removed 100 transitions.
Applied a total of 1 rules in 3 ms. Remains 11 /71 variables (removed 60) and now considering 56/156 (removed 100) transitions.
[2026-05-24 15:23:31] [INFO ] Flow matrix only has 2 transitions (discarded 54 similar events)
// Phase 1: matrix 2 rows 11 cols
[2026-05-24 15:23:31] [INFO ] Computed 10 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 15:23:31] [INFO ] Implicit Places using invariants in 28 ms returned []
[2026-05-24 15:23:31] [INFO ] Flow matrix only has 2 transitions (discarded 54 similar events)
[2026-05-24 15:23:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 15:23:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 15:23:31] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 11/123 places, 56/334 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 852 ms. Remains : 11/123 places, 56/334 transitions.
Discarding 10 transitions out of 56. Remains 46
Initial state reduction rules removed 1 formulas.
RANDOM walk for 4 steps (0 resets) in 9 ms. (0 steps per ms) remains 0/45 properties
[2026-05-24 15:23:32] [INFO ] Flatten gal took : 43 ms
[2026-05-24 15:23:32] [INFO ] Flatten gal took : 10 ms
[2026-05-24 15:23:32] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3043213292227109260.gal : 10 ms
[2026-05-24 15:23:32] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8169110851278678611.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/ReachabilityCardinality3043213292227109260.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8169110851278678611.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 46 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1933 ms.

BK_STOP 1779636212576

--------------------
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="FlexibleBarrier-PT-10a"
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 FlexibleBarrier-PT-10a, 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 r144-smll-177955812600222"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10a.tgz
mv FlexibleBarrier-PT-10a 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 ;