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-177946996500197.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 DES-PT-01a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996500197
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.3K Mar 6 18:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 6 18:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Mar 6 18:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 6 18:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 6 18:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 170K Mar 6 18:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 18:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:54 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 32K 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 1779532114000

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DES-PT-01a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 10:28:36] [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 10:28:36] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 10:28:36] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2026-05-23 10:28:36] [INFO ] Transformed 119 places.
[2026-05-23 10:28:36] [INFO ] Transformed 76 transitions.
[2026-05-23 10:28:36] [INFO ] Found NUPN structural information;
[2026-05-23 10:28:36] [INFO ] Parsed PT model containing 119 places and 76 transitions and 381 arcs in 236 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 119/119 places, 76/76 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 119 transition count 62
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 14 place count 119 transition count 61
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 118 transition count 61
Applied a total of 16 rules in 45 ms. Remains 118 /119 variables (removed 1) and now considering 61/76 (removed 15) transitions.
// Phase 1: matrix 61 rows 118 cols
[2026-05-23 10:28:36] [INFO ] Computed 59 invariants in 28 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:28:37] [INFO ] Implicit Places using invariants in 687 ms returned [1, 16, 35, 39, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 95]
Discarding 21 places :
Implicit Place search using SMT only with invariants took 742 ms to find 21 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 97/119 places, 61/76 transitions.
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 10 Pre rules applied. Total rules applied 0 place count 97 transition count 51
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 87 transition count 51
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 1 ms
Ensure Unique test removed 14 places
Reduce places removed 25 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 56 place count 62 transition count 40
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 58 place count 61 transition count 39
Applied a total of 58 rules in 21 ms. Remains 61 /97 variables (removed 36) and now considering 39/61 (removed 22) transitions.
// Phase 1: matrix 39 rows 61 cols
[2026-05-23 10:28:37] [INFO ] Computed 24 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:28:37] [INFO ] Implicit Places using invariants in 224 ms returned [41, 45, 48]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 227 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 58/119 places, 39/76 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 56 transition count 37
Applied a total of 4 rules in 5 ms. Remains 56 /58 variables (removed 2) and now considering 37/39 (removed 2) transitions.
// Phase 1: matrix 37 rows 56 cols
[2026-05-23 10:28:37] [INFO ] Computed 21 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:28:38] [INFO ] Implicit Places using invariants in 192 ms returned []
[2026-05-23 10:28:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:28:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-23 10:28:38] [INFO ] Implicit Places using invariants and state equation in 219 ms returned [8, 28, 32, 51]
Discarding 4 places :
Implicit Place search using SMT with State Equation took 419 ms to find 4 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 52/119 places, 37/76 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 49 transition count 34
Applied a total of 6 rules in 5 ms. Remains 49 /52 variables (removed 3) and now considering 34/37 (removed 3) transitions.
// Phase 1: matrix 34 rows 49 cols
[2026-05-23 10:28:38] [INFO ] Computed 17 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:28:38] [INFO ] Implicit Places using invariants in 114 ms returned []
[2026-05-23 10:28:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 10:28:38] [INFO ] Implicit Places using invariants and state equation in 198 ms returned []
Implicit Place search using SMT with State Equation took 314 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 4 : 49/119 places, 34/76 transitions.
Finished structural reductions in LIVENESS mode , in 4 iterations and 1805 ms. Remains : 49/119 places, 34/76 transitions.
Discarding 9 transitions out of 34. Remains 25
Initial state reduction rules removed 1 formulas.
RANDOM walk for 12457 steps (706 resets) in 653 ms. (19 steps per ms) remains 0/24 properties
[2026-05-23 10:28:39] [INFO ] Flatten gal took : 66 ms
[2026-05-23 10:28:39] [INFO ] Flatten gal took : 13 ms
[2026-05-23 10:28:39] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14965736770686325295.gal : 8 ms
[2026-05-23 10:28:39] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15915708140397019168.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/ReachabilityCardinality14965736770686325295.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15915708140397019168.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 25 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 2900 ms.

BK_STOP 1779532119388

--------------------
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="DES-PT-01a"
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 DES-PT-01a, 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-177946996500197"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-01a.tgz
mv DES-PT-01a 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 ;