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.r120-smll-177955742400127.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 itstools
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 r120-smll-177955742400127
=====================================================================

--------------------
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 1779571383137

Invoking MCC driver with
BK_TOOL=itstools
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 202604301425
[2026-05-23 21:23:05] [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]
[2026-05-23 21:23:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:23:06] [INFO ] Load time of PNML (sax parser for PT used): 773 ms
[2026-05-23 21:23:06] [INFO ] Transformed 3717 places.
[2026-05-23 21:23:06] [INFO ] Transformed 3222 transitions.
[2026-05-23 21:23:06] [INFO ] Found NUPN structural information;
[2026-05-23 21:23:06] [INFO ] Parsed PT model containing 3717 places and 3222 transitions and 28404 arcs in 1042 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 183 ms. Remains 3474 /3717 variables (removed 243) and now considering 3222/3222 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7806590721598369411.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-9805971401194032377.kers'
[2026-05-23 21:23:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7806590721598369411.kers, --Pflows, --basisKERS=/tmp/petrispot-output-9805971401194032377.kers]
Culled 0 columns in 7 ms.
// Phase 1: matrix 3222 rows 3474 cols 26793 entries
Finished phase 1 with 977 SingleSign rule and 877 generalized
[2026-05-23 21:23:58] [INFO ] Computed 1620 invariants in 51042 ms
Computed 1620 P flows in 51044 ms.
Exported basis to /tmp/petrispot-output-9805971401194032377.kers
Total runtime 51095 ms.
[2026-05-23 21:26:38] [INFO ] Implicit Places using invariants in 211592 ms returned []
[2026-05-23 21:26:38] [INFO ] Invariant cache hit.
[2026-05-23 21:29:18] [INFO ] Implicit Places using invariants and state equation in 160092 ms returned []
Implicit Place search using SMT with State Equation took 371741 ms to find 0 implicit places.
Running 3221 sub problems to find dead transitions.
[2026-05-23 21:29:18] [INFO ] Invariant cache hit.
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/3473 variables, 3473/3473 constraints. Problems are: Problem set: 0 solved, 3221 unsolved
SMT process timed out in 34910ms, After SMT, problems are : Problem set: 0 solved, 3221 unsolved
Search for dead transitions found 0 dead transitions in 34980ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3474/3717 places, 3222/3222 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 406991 ms. Remains : 3474/3717 places, 3222/3222 transitions.
Initial state reduction rules removed 1 formulas.
[2026-05-23 21:29:56] [INFO ] Flatten gal took : 1095 ms
[2026-05-23 21:29:56] [INFO ] Flatten gal took : 480 ms
[2026-05-23 21:29:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6404439918055000523.gal : 220 ms
[2026-05-23 21:29:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14012307655861014414.prop : 74 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6404439918055000523.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14012307655861014414.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality14012307655861014414.prop.
RANDOM walk for 40000 steps (80 resets) in 17694 ms. (2 steps per ms) remains 2/3221 properties
BEST_FIRST walk for 40004 steps (8 resets) in 836 ms. (47 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 1054 ms. (37 steps per ms) remains 2/2 properties
[2026-05-23 21:29:59] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/18 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SMT process timed out in 5816ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 18 out of 3474 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3474/3474 places, 3222/3222 transitions.
Graph (complete) has 15811 edges and 3474 vertex of which 3455 are kept as prefixes of interest. Removing 19 places using SCC suffix rule.41 ms
Discarding 19 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 3455 transition count 3213
Applied a total of 9 rules in 869 ms. Remains 3455 /3474 variables (removed 19) and now considering 3213/3222 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 870 ms. Remains : 3455/3474 places, 3213/3222 transitions.
RANDOM walk for 39332 steps (79 resets) in 3013 ms. (13 steps per ms) remains 0/2 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 TOPOLOGICAL INITIAL_STATE
Total runtime 421696 ms.

BK_STOP 1779571807267

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="itstools"
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 itstools"
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 r120-smll-177955742400127"
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 ;