fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r152-tall-177961077600472
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for HirschbergSinclair-PT-20

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
318.056 68826.00 80320.00 287.50 T normal

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.r152-tall-177961077600472.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 HirschbergSinclair-PT-20, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r152-tall-177961077600472
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 708K
-rw-r--r-- 1 mcc users 9.6K Mar 7 17:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 17:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 7 17:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 7 17:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 10:49 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:49 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:49 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:49 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 17:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Mar 7 17:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 17:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 17:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:49 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 284K 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 1779701664792

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HirschbergSinclair-PT-20
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:34:26] [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 09:34:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:34:26] [INFO ] Load time of PNML (sax parser for PT used): 85 ms
[2026-05-25 09:34:26] [INFO ] Transformed 530 places.
[2026-05-25 09:34:26] [INFO ] Transformed 485 transitions.
[2026-05-25 09:34:26] [INFO ] Parsed PT model containing 530 places and 485 transitions and 1479 arcs in 169 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 530/530 places, 485/485 transitions.
Reduce places removed 20 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 220 transitions
Trivial Post-agglo rules discarded 220 transitions
Performed 220 trivial Post agglomeration. Transition count delta: 220
Iterating post reduction 0 with 240 rules applied. Total rules applied 240 place count 510 transition count 265
Reduce places removed 220 places and 0 transitions.
Iterating post reduction 1 with 220 rules applied. Total rules applied 460 place count 290 transition count 265
Applied a total of 460 rules in 46 ms. Remains 290 /530 variables (removed 240) and now considering 265/485 (removed 220) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6149244205175346190.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2543285181221341089.kers'
[2026-05-25 09:34:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6149244205175346190.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2543285181221341089.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 265 rows 290 cols 561 entries
Finished phase 1 with 260 SingleSign rule and 5 generalized
[2026-05-25 09:34:26] [INFO ] Computed 25 invariants in 1 ms
Computed 25 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-2543285181221341089.kers
Total runtime 2 ms.
[2026-05-25 09:34:26] [INFO ] Implicit Places using invariants in 441 ms returned []
[2026-05-25 09:34:26] [INFO ] Invariant cache hit.
[2026-05-25 09:34:26] [INFO ] State equation strengthened by 220 read => feed constraints.
[2026-05-25 09:34:33] [INFO ] Implicit Places using invariants and state equation in 6291 ms returned []
Implicit Place search using SMT with State Equation took 6766 ms to find 0 implicit places.
Running 245 sub problems to find dead transitions.
[2026-05-25 09:34:33] [INFO ] Invariant cache hit.
[2026-05-25 09:34:33] [INFO ] State equation strengthened by 220 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/270 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (OVERLAPS) 20/290 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 4 (OVERLAPS) 265/555 variables, 290/315 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/555 variables, 220/535 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 555/555 variables, and 535 constraints, problems are : Problem set: 0 solved, 245 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 290/290 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 245 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/270 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/270 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 2 (OVERLAPS) 20/290 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/290 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 4 (OVERLAPS) 265/555 variables, 290/315 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/555 variables, 220/535 constraints. Problems are: Problem set: 0 solved, 245 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/555 variables, 245/780 constraints. Problems are: Problem set: 0 solved, 245 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 555/555 variables, and 780 constraints, problems are : Problem set: 0 solved, 245 unsolved in 30022 ms.
Refiners :[Generalized P Invariants (flows): 25/25 constraints, State Equation: 290/290 constraints, ReadFeed: 220/220 constraints, PredecessorRefiner: 245/245 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60161ms problems are : Problem set: 0 solved, 245 unsolved
Search for dead transitions found 0 dead transitions in 60179ms
Starting structural reductions in LIVENESS mode, iteration 1 : 290/530 places, 265/485 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 67035 ms. Remains : 290/530 places, 265/485 transitions.
Initial state reduction rules removed 20 formulas.
RANDOM walk for 2316 steps (5 resets) in 216 ms. (10 steps per ms) remains 0/245 properties
[2026-05-25 09:35:33] [INFO ] Flatten gal took : 50 ms
[2026-05-25 09:35:33] [INFO ] Flatten gal took : 16 ms
[2026-05-25 09:35:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14737647168732398574.gal : 12 ms
[2026-05-25 09:35:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13646512076394208289.prop : 0 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/ReachabilityCardinality14737647168732398574.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13646512076394208289.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 265 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 67558 ms.

BK_STOP 1779701733618

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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="HirschbergSinclair-PT-20"
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 HirschbergSinclair-PT-20, 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 r152-tall-177961077600472"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HirschbergSinclair-PT-20.tgz
mv HirschbergSinclair-PT-20 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 ;