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-177955743900127.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-d05r03, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900127
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 6.5K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:20 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 09:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 05:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Mar 7 05:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:45 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 2.3M 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 1779571286438

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d05r03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-23 21:21:28] [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 21:21:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:21:30] [INFO ] Load time of PNML (sax parser for PT used): 864 ms
[2026-05-23 21:21:30] [INFO ] Transformed 3717 places.
[2026-05-23 21:21:30] [INFO ] Transformed 3222 transitions.
[2026-05-23 21:21:30] [INFO ] Found NUPN structural information;
[2026-05-23 21:21:30] [INFO ] Parsed PT model containing 3717 places and 3222 transitions and 28404 arcs in 1155 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3717/3717 places, 3222/3222 transitions.
Reduce places removed 243 places and 0 transitions.
Iterating post reduction 0 with 243 rules applied. Total rules applied 243 place count 3474 transition count 3222
Applied a total of 243 rules in 164 ms. Remains 3474 /3717 variables (removed 243) and now considering 3222/3222 (removed 0) transitions.
// Phase 1: matrix 3222 rows 3474 cols
[2026-05-23 21:21:44] [INFO ] Invariants computation overflowed in 13651 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:21:50] [INFO ] Implicit Places using invariants in 20001 ms returned []
// Phase 1: matrix 3222 rows 3474 cols
[2026-05-23 21:22:03] [INFO ] Invariants computation overflowed in 13225 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:24:43] [INFO ] Performed 0/3474 implicitness test of which 0 returned IMPLICIT in 117 seconds.
[2026-05-23 21:24:43] [INFO ] Implicit Places using invariants and state equation in 173281 ms returned []
Implicit Place search using SMT with State Equation took 193339 ms to find 0 implicit places.
Running 3221 sub problems to find dead transitions.
// Phase 1: matrix 3222 rows 3474 cols
[2026-05-23 21:24:57] [INFO ] Invariants computation overflowed in 13547 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3473 variables, 3473/3473 constraints. Problems are: Problem set: 0 solved, 3221 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3473/6696 variables, and 3473 constraints, problems are : Problem set: 0 solved, 3221 unsolved in 30256 ms.
Refiners :[Domain max(s): 3473/3474 constraints, State Equation: 0/3474 constraints, PredecessorRefiner: 3221/3221 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3221 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3473 variables, 3473/3473 constraints. Problems are: Problem set: 0 solved, 3221 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3473/6696 variables, and 3473 constraints, problems are : Problem set: 0 solved, 3221 unsolved in 30102 ms.
Refiners :[Domain max(s): 3473/3474 constraints, State Equation: 0/3474 constraints, PredecessorRefiner: 0/3221 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 77050ms problems are : Problem set: 0 solved, 3221 unsolved
Search for dead transitions found 0 dead transitions in 77135ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3474/3717 places, 3222/3222 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 270703 ms. Remains : 3474/3717 places, 3222/3222 transitions.
Initial state reduction rules removed 1 formulas.
[2026-05-23 21:26:03] [INFO ] Flatten gal took : 1263 ms
[2026-05-23 21:26:04] [INFO ] Flatten gal took : 534 ms
[2026-05-23 21:26:04] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8386792359108167939.gal : 278 ms
[2026-05-23 21:26:04] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4150742493687633193.prop : 114 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/ReachabilityCardinality8386792359108167939.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4150742493687633193.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 ...328
RANDOM walk for 40000 steps (80 resets) in 16708 ms. (2 steps per ms) remains 1/3221 properties
BEST_FIRST walk for 33023 steps (6 resets) in 541 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 3222 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 276988 ms.

BK_STOP 1779571566017

--------------------
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-d05r03"
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-d05r03, 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-177955743900127"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d05r03.tgz
mv Echo-PT-d05r03 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 ;