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.r160-tall-177961080200502.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 HirschbergSinclair-PT-50, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080200502
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 13K Mar 7 17:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 97K Mar 7 17:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 17:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 17:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.5K Mar 15 10:51 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:51 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:51 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:51 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K Mar 7 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 7 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:51 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:51 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 652K 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 1779703444111

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HirschbergSinclair-PT-50
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 10:04:05] [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]
[2026-05-25 10:04:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 10:04:05] [INFO ] Load time of PNML (sax parser for PT used): 112 ms
[2026-05-25 10:04:05] [INFO ] Transformed 1208 places.
[2026-05-25 10:04:05] [INFO ] Transformed 1102 transitions.
[2026-05-25 10:04:05] [INFO ] Parsed PT model containing 1208 places and 1102 transitions and 3361 arcs in 211 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1208/1208 places, 1102/1102 transitions.
Reduce places removed 50 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 498 transitions
Trivial Post-agglo rules discarded 498 transitions
Performed 498 trivial Post agglomeration. Transition count delta: 498
Iterating post reduction 0 with 548 rules applied. Total rules applied 548 place count 1158 transition count 604
Reduce places removed 498 places and 0 transitions.
Iterating post reduction 1 with 498 rules applied. Total rules applied 1046 place count 660 transition count 604
Applied a total of 1046 rules in 72 ms. Remains 660 /1208 variables (removed 548) and now considering 604/1102 (removed 498) transitions.
// Phase 1: matrix 604 rows 660 cols
[2026-05-25 10:04:05] [INFO ] Computed 56 invariants in 22 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 10:04:06] [INFO ] Implicit Places using invariants in 747 ms returned []
[2026-05-25 10:04:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 10:04:06] [INFO ] State equation strengthened by 498 read => feed constraints.
[2026-05-25 10:04:37] [INFO ] Performed 318/660 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-25 10:05:07] [INFO ] Performed 429/660 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2026-05-25 10:05:37] [INFO ] Performed 623/660 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2026-05-25 10:05:44] [INFO ] Implicit Places using invariants and state equation in 98376 ms returned []
Implicit Place search using SMT with State Equation took 99154 ms to find 0 implicit places.
Running 554 sub problems to find dead transitions.
[2026-05-25 10:05:44] [INFO ] Invariant cache hit.
[2026-05-25 10:05:44] [INFO ] State equation strengthened by 498 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/610 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 554 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/610 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 554 unsolved
At refinement iteration 2 (OVERLAPS) 50/660 variables, 50/56 constraints. Problems are: Problem set: 0 solved, 554 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/660 variables, 0/56 constraints. Problems are: Problem set: 0 solved, 554 unsolved
SMT process timed out in 30153ms, After SMT, problems are : Problem set: 0 solved, 554 unsolved
Search for dead transitions found 0 dead transitions in 30169ms
Starting structural reductions in LIVENESS mode, iteration 1 : 660/1208 places, 604/1102 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 129429 ms. Remains : 660/1208 places, 604/1102 transitions.
Initial state reduction rules removed 50 formulas.
RANDOM walk for 4155 steps (3 resets) in 580 ms. (7 steps per ms) remains 0/554 properties
[2026-05-25 10:06:15] [INFO ] Flatten gal took : 74 ms
[2026-05-25 10:06:15] [INFO ] Flatten gal took : 33 ms
[2026-05-25 10:06:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14874457055673646139.gal : 16 ms
[2026-05-25 10:06:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7376435533912336818.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/ReachabilityCardinality14874457055673646139.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7376435533912336818.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
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 604 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 130269 ms.

BK_STOP 1779703575744

--------------------
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="HirschbergSinclair-PT-50"
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 HirschbergSinclair-PT-50, 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 r160-tall-177961080200502"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-50.tgz
mv HirschbergSinclair-PT-50 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 ;