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.r104-tall-177955698700382.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 itstools
Input is DLCround-PT-09b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698700382
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.8M
-rw-r--r-- 1 mcc users 6.4K Mar 6 17:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 6 17:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 6 17:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Mar 6 17:24 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 09:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 09:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 17:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 6 17:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 6 17:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 6 17:24 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:25 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 1.3M 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 1779609362190

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCround-PT-09b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:56:03] [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 07:56:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:56:03] [INFO ] Load time of PNML (sax parser for PT used): 228 ms
[2026-05-24 07:56:03] [INFO ] Transformed 3495 places.
[2026-05-24 07:56:03] [INFO ] Transformed 5439 transitions.
[2026-05-24 07:56:03] [INFO ] Found NUPN structural information;
[2026-05-24 07:56:03] [INFO ] Parsed PT model containing 3495 places and 5439 transitions and 15081 arcs in 413 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3495/3495 places, 5439/5439 transitions.
Graph (trivial) has 3246 edges and 3495 vertex of which 624 / 3495 are part of one of the 44 SCC in 17 ms
Free SCC test removed 580 places
Ensure Unique test removed 604 transitions
Reduce isomorphic transitions removed 604 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1262 transitions
Trivial Post-agglo rules discarded 1262 transitions
Performed 1262 trivial Post agglomeration. Transition count delta: 1262
Iterating post reduction 0 with 1262 rules applied. Total rules applied 1263 place count 2915 transition count 3573
Reduce places removed 1262 places and 0 transitions.
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 1 with 1336 rules applied. Total rules applied 2599 place count 1653 transition count 3499
Reduce places removed 32 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 40 rules applied. Total rules applied 2639 place count 1621 transition count 3491
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 2643 place count 1617 transition count 3491
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 2643 place count 1617 transition count 3487
Deduced a syphon composed of 4 places in 66 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 2651 place count 1613 transition count 3487
Performed 898 Post agglomeration using F-continuation condition.Transition count delta: 898
Deduced a syphon composed of 898 places in 1 ms
Reduce places removed 898 places and 0 transitions.
Iterating global reduction 4 with 1796 rules applied. Total rules applied 4447 place count 715 transition count 2589
Renaming transitions due to excessive name length > 1024 char.
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: -100
Deduced a syphon composed of 11 places in 1 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 4469 place count 704 transition count 2689
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 4 rules applied. Total rules applied 4473 place count 704 transition count 2685
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -68
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 5 with 8 rules applied. Total rules applied 4481 place count 700 transition count 2753
Applied a total of 4481 rules in 422 ms. Remains 700 /3495 variables (removed 2795) and now considering 2753/5439 (removed 2686) transitions.
[2026-05-24 07:56:04] [INFO ] Flow matrix only has 2657 transitions (discarded 96 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12520460825183489061.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10043979397522187807.kers'
[2026-05-24 07:56:04] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12520460825183489061.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10043979397522187807.kers]
Normalized transition count is 2656 out of 2657 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 2656 rows 700 cols 10616 entries
Finished phase 1 with 516 SingleSign rule and 0 generalized
[2026-05-24 07:56:04] [INFO ] Computed 184 invariants in 9 ms
Computed 184 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-10043979397522187807.kers
Total runtime 12 ms.
[2026-05-24 07:56:05] [INFO ] Implicit Places using invariants in 761 ms returned []
[2026-05-24 07:56:05] [INFO ] Flow matrix only has 2657 transitions (discarded 96 similar events)
[2026-05-24 07:56:05] [INFO ] Invariant cache hit.
[2026-05-24 07:56:05] [INFO ] State equation strengthened by 225 read => feed constraints.
[2026-05-24 07:56:06] [INFO ] Implicit Places using invariants and state equation in 1610 ms returned []
Implicit Place search using SMT with State Equation took 2402 ms to find 0 implicit places.
Running 2745 sub problems to find dead transitions.
[2026-05-24 07:56:06] [INFO ] Flow matrix only has 2657 transitions (discarded 96 similar events)
[2026-05-24 07:56:06] [INFO ] Invariant cache hit.
[2026-05-24 07:56:06] [INFO ] State equation strengthened by 225 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/699 variables, 699/699 constraints. Problems are: Problem set: 0 solved, 2745 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 699/3357 variables, and 699 constraints, problems are : Problem set: 0 solved, 2745 unsolved in 30055 ms.
Refiners :[Domain max(s): 699/700 constraints, Positive P Invariants (semi-flows): 0/184 constraints, State Equation: 0/700 constraints, ReadFeed: 0/225 constraints, PredecessorRefiner: 2745/2745 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2745 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/699 variables, 699/699 constraints. Problems are: Problem set: 0 solved, 2745 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 699/3357 variables, and 699 constraints, problems are : Problem set: 0 solved, 2745 unsolved in 30048 ms.
Refiners :[Domain max(s): 699/700 constraints, Positive P Invariants (semi-flows): 0/184 constraints, State Equation: 0/700 constraints, ReadFeed: 0/225 constraints, PredecessorRefiner: 0/2745 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 61826ms problems are : Problem set: 0 solved, 2745 unsolved
Search for dead transitions found 0 dead transitions in 61856ms
Starting structural reductions in LIVENESS mode, iteration 1 : 700/3495 places, 2753/5439 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 64730 ms. Remains : 700/3495 places, 2753/5439 transitions.
Discarding 545 transitions out of 2753. Remains 2208
Initial state reduction rules removed 1 formulas.
[2026-05-24 07:57:09] [INFO ] Flatten gal took : 760 ms
[2026-05-24 07:57:10] [INFO ] Flatten gal took : 369 ms
[2026-05-24 07:57:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13052290053514471204.gal : 92 ms
[2026-05-24 07:57:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5985418837539249848.prop : 24 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/ReachabilityCardinality13052290053514471204.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5985418837539249848.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
RANDOM walk for 40000 steps (8 resets) in 7097 ms. (5 steps per ms) remains 0/2207 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2208 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 67249 ms.

BK_STOP 1779609430619

--------------------
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="DLCround-PT-09b"
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 DLCround-PT-09b, 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 r104-tall-177955698700382"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-09b.tgz
mv DLCround-PT-09b 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 ;