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.r032-smll-177946790800179.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 BART-PT-060, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r032-smll-177946790800179
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 130M
-rw-r--r-- 1 mcc users 4.3M Mar 5 10:12 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16M Mar 5 10:12 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.6M Mar 5 10:07 CTLFireability.txt
-rw-r--r-- 1 mcc users 21M Mar 5 10:07 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 1.9M Mar 15 07:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 4.8M Mar 15 07:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Mar 15 07:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 4.1M Mar 15 07:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.2M Mar 5 10:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 22M Mar 5 10:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2M Mar 5 10:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21M Mar 5 10:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 331K Mar 15 07:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 666K Mar 15 07:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 15M 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 Liveness

=== Now, execution of the tool begins

BK_START 1779474357841

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=BART-PT-060
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-22 18:26:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 18:26:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:26:01] [INFO ] Load time of PNML (sax parser for PT used): 1142 ms
[2026-05-22 18:26:01] [INFO ] Transformed 8130 places.
[2026-05-22 18:26:01] [INFO ] Transformed 12120 transitions.
[2026-05-22 18:26:01] [INFO ] Found NUPN structural information;
[2026-05-22 18:26:01] [INFO ] Parsed PT model containing 8130 places and 12120 transitions and 97200 arcs in 1446 ms.
Discarding 2100 transitions out of 12120. Remains 10020
Reduce places removed 210 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 28 ms.92316KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 7920/7920 places, 12120/12120 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Redundant composition of simpler transitions.) removed 2100 transitions
Redundant transition composition rules discarded 2100 transitions
Iterating global reduction 0 with 2100 rules applied. Total rules applied 2100 place count 7920 transition count 10020
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 2100 rules in 602 ms. Remains 7920 /7920 variables (removed 0) and now considering 10020/12120 (removed 2100) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 624 ms. Remains : 7920/7920 places, 10020/12120 transitions.
Random walk for 1250000 steps, including 0 resets, run took 15513 ms (no deadlock found). (steps per millisecond=80 )
Random directed walk for 1250041 steps, including 0 resets, run took 22524 ms (no deadlock found). (steps per millisecond=55 )
// Phase 1: matrix 10020 rows 7920 cols
[2026-05-22 18:26:42] [INFO ] Computed 60 invariants in 89 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-22 18:26:48] [INFO ] [Real]Absence check using 60 positive place invariants in 29 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 8130/8130 places, 12120/12120 transitions.
Reduce places removed 210 places and 0 transitions.
Graph (trivial) has 12120 edges and 7920 vertex of which 7920 / 7920 are part of one of the 60 SCC in 18 ms
Free SCC test removed 7860 places
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 60 transition count 12120
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 12119 transitions
Reduce isomorphic transitions removed 12119 transitions.
Iterating post reduction 1 with 12179 rules applied. Total rules applied 12390 place count 0 transition count 1
Applied a total of 12390 rules in 112 ms. Remains 0 /8130 variables (removed 8130) and now considering 1/12120 (removed 12119) transitions.
[2026-05-22 18:26:48] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:26:48] [INFO ] Implicit Places using invariants in 13 ms returned []
[2026-05-22 18:26:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:26:48] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 2ms
Starting structural reductions in LIVENESS mode, iteration 1 : 0/8130 places, 1/12120 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 168 ms. Remains : 0/8130 places, 1/12120 transitions.
Able to resolve query QuasiLiveness after proving 1 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 8130/8130 places, 12120/12120 transitions.
Reduce places removed 210 places and 0 transitions.
Graph (trivial) has 12120 edges and 7920 vertex of which 7920 / 7920 are part of one of the 60 SCC in 5 ms
Free SCC test removed 7860 places
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 60 transition count 12120
Reduce places removed 60 places and 0 transitions.
Ensure Unique test removed 12119 transitions
Reduce isomorphic transitions removed 12119 transitions.
Iterating post reduction 1 with 12179 rules applied. Total rules applied 12390 place count 0 transition count 1
Applied a total of 12390 rules in 44 ms. Remains 0 /8130 variables (removed 8130) and now considering 1/12120 (removed 12119) transitions.
[2026-05-22 18:26:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:26:48] [INFO ] Implicit Places using invariants in 6 ms returned []
[2026-05-22 18:26:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-22 18:26:48] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 27 ms to find 0 implicit places.
Running 0 sub problems to find dead transitions.
Search for dead transitions found 0 dead transitions in 0ms
Starting structural reductions in LIVENESS mode, iteration 1 : 0/8130 places, 1/12120 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 72 ms. Remains : 0/8130 places, 1/12120 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
Net is conservative; using simplified expression for initial state.
Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 48371 ms.

BK_STOP 1779474408738

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="BART-PT-060"
export BK_EXAMINATION="Liveness"
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 BART-PT-060, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r032-smll-177946790800179"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BART-PT-060.tgz
mv BART-PT-060 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;