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-177955701000192.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-10b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701000192
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 516K
-rw-r--r-- 1 mcc users 5.9K Mar 6 16:15 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K Mar 6 16:15 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 6 16:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 16:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 16:15 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 6 16:15 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 6 16:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 16:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:13 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 75K 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 1779628640679

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DiscoveryGPU-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 13:17:21] [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 13:17:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:17:22] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2026-05-24 13:17:22] [INFO ] Transformed 296 places.
[2026-05-24 13:17:22] [INFO ] Transformed 314 transitions.
[2026-05-24 13:17:22] [INFO ] Found NUPN structural information;
[2026-05-24 13:17:22] [INFO ] Parsed PT model containing 296 places and 314 transitions and 819 arcs in 163 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 296/296 places, 314/314 transitions.
Reduce places removed 20 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 76 transitions
Trivial Post-agglo rules discarded 76 transitions
Performed 76 trivial Post agglomeration. Transition count delta: 76
Iterating post reduction 0 with 96 rules applied. Total rules applied 96 place count 276 transition count 238
Reduce places removed 76 places and 0 transitions.
Iterating post reduction 1 with 76 rules applied. Total rules applied 172 place count 200 transition count 238
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 172 place count 200 transition count 228
Deduced a syphon composed of 10 places in 2 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 192 place count 190 transition count 228
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 97
Deduced a syphon composed of 97 places in 0 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 2 with 194 rules applied. Total rules applied 386 place count 93 transition count 131
Applied a total of 386 rules in 56 ms. Remains 93 /296 variables (removed 203) and now considering 131/314 (removed 183) transitions.
[2026-05-24 13:17:22] [INFO ] Flow matrix only has 112 transitions (discarded 19 similar events)
// Phase 1: matrix 112 rows 93 cols
[2026-05-24 13:17:22] [INFO ] Computed 2 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:17:22] [INFO ] Implicit Places using invariants in 267 ms returned []
[2026-05-24 13:17:22] [INFO ] Flow matrix only has 112 transitions (discarded 19 similar events)
[2026-05-24 13:17:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:17:22] [INFO ] State equation strengthened by 111 read => feed constraints.
[2026-05-24 13:17:23] [INFO ] Implicit Places using invariants and state equation in 525 ms returned [91, 92]
Discarding 2 places :
Implicit Place search using SMT with State Equation took 826 ms to find 2 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 91/296 places, 131/314 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 30 transitions
Trivial Post-agglo rules discarded 30 transitions
Performed 30 trivial Post agglomeration. Transition count delta: 30
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 91 transition count 101
Reduce places removed 30 places and 0 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 1 with 60 rules applied. Total rules applied 90 place count 61 transition count 71
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 110 place count 41 transition count 71
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 150 place count 21 transition count 51
Applied a total of 150 rules in 8 ms. Remains 21 /91 variables (removed 70) and now considering 51/131 (removed 80) transitions.
[2026-05-24 13:17:23] [INFO ] Flow matrix only has 32 transitions (discarded 19 similar events)
// Phase 1: matrix 32 rows 21 cols
[2026-05-24 13:17:23] [INFO ] Computed 0 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:17:23] [INFO ] Implicit Places using invariants in 19 ms returned []
[2026-05-24 13:17:23] [INFO ] Flow matrix only has 32 transitions (discarded 19 similar events)
[2026-05-24 13:17:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:17:23] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-24 13:17:23] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 21/296 places, 51/314 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 954 ms. Remains : 21/296 places, 51/314 transitions.
Discarding 30 transitions out of 51. Remains 21
Initial state reduction rules removed 1 formulas.
RANDOM walk for 371 steps (20 resets) in 26 ms. (13 steps per ms) remains 0/20 properties
[2026-05-24 13:17:23] [INFO ] Flatten gal took : 108 ms
[2026-05-24 13:17:23] [INFO ] Flatten gal took : 5 ms
[2026-05-24 13:17:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14899181082532723859.gal : 3 ms
[2026-05-24 13:17:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8191401451635097865.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/ReachabilityCardinality14899181082532723859.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8191401451635097865.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:188)
at java.base/java.io.BufferedInputStream.read1(BufferedInputStream.java:343)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:420)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 21 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1370 ms.

BK_STOP 1779628643445

--------------------
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-10b"
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-10b, 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-177955701000192"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DiscoveryGPU-PT-10b.tgz
mv DiscoveryGPU-PT-10b 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 ;