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.r128-smll-177955743900097.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 Echo-PT-d02r15, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900097
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 6.1K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 7 05:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 7 05:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.9K Mar 7 05:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 7 05:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 917K 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 1779570400991

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d02r15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 21:06:43] [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 21:06:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:06:44] [INFO ] Load time of PNML (sax parser for PT used): 520 ms
[2026-05-23 21:06:44] [INFO ] Transformed 2127 places.
[2026-05-23 21:06:44] [INFO ] Transformed 1674 transitions.
[2026-05-23 21:06:44] [INFO ] Found NUPN structural information;
[2026-05-23 21:06:44] [INFO ] Parsed PT model containing 2127 places and 1674 transitions and 9700 arcs in 792 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2127/2127 places, 1674/1674 transitions.
Reduce places removed 225 places and 0 transitions.
Iterating post reduction 0 with 225 rules applied. Total rules applied 225 place count 1902 transition count 1674
Applied a total of 225 rules in 145 ms. Remains 1902 /2127 variables (removed 225) and now considering 1674/1674 (removed 0) transitions.
// Phase 1: matrix 1674 rows 1902 cols
[2026-05-23 21:06:48] [INFO ] Computed 840 invariants in 3449 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:07:25] [INFO ] Implicit Places using invariants in 40606 ms returned []
[2026-05-23 21:07:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:07:43] [INFO ] Implicit Places using invariants and state equation in 18362 ms returned []
Implicit Place search using SMT with State Equation took 59039 ms to find 0 implicit places.
Running 1673 sub problems to find dead transitions.
[2026-05-23 21:07:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1901 variables, 1901/1901 constraints. Problems are: Problem set: 0 solved, 1673 unsolved
SMT process timed out in 31423ms, After SMT, problems are : Problem set: 0 solved, 1673 unsolved
Search for dead transitions found 0 dead transitions in 31487ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1902/2127 places, 1674/1674 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 90744 ms. Remains : 1902/2127 places, 1674/1674 transitions.
Initial state reduction rules removed 1 formulas.
[2026-05-23 21:08:17] [INFO ] Flatten gal took : 705 ms
[2026-05-23 21:08:17] [INFO ] Flatten gal took : 418 ms
RANDOM walk for 40000 steps (88 resets) in 7485 ms. (5 steps per ms) remains 5/1673 properties
[2026-05-23 21:08:17] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3946180202753961309.gal : 129 ms
[2026-05-23 21:08:17] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16406170864260314196.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/ReachabilityCardinality3946180202753961309.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16406170864260314196.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
BEST_FIRST walk for 40004 steps (8 resets) in 1236 ms. (32 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 718 ms. (55 steps per ms) remains 3/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 618 ms. (64 steps per ms) remains 2/3 properties
Loading property file /tmp/ReachabilityCardinality16406170864260314196.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 688 ms. (58 steps per ms) remains 1/2 properties
BEST_FIRST walk for 2730 steps (0 resets) in 44 ms. (60 steps per ms) remains 0/1 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 1674 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 95012 ms.

BK_STOP 1779570498768

--------------------
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="Echo-PT-d02r15"
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 Echo-PT-d02r15, 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 r128-smll-177955743900097"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d02r15.tgz
mv Echo-PT-d02r15 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 ;