fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r056-smll-177946902800023
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for Champagne-PT-H05T1U

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
427.964 9376.00 27212.00 100.00 F 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.r056-smll-177946902800023.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 Champagne-PT-H05T1U, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902800023
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 544K
-rw-r--r-- 1 mcc users 7.5K Mar 6 10:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Mar 6 10:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 10:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 55K Mar 6 10:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:58 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:58 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 07:58 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 07:58 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 6 10:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Mar 6 10:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 6 10:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:58 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:58 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 108K 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 StableMarking

=== Now, execution of the tool begins

BK_START 1779472730251

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H05T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 17:58:52] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 17:58:52] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:58:53] [INFO ] Load time of PNML (sax parser for PT used): 209 ms
[2026-05-22 17:58:53] [INFO ] Transformed 389 places.
[2026-05-22 17:58:53] [INFO ] Transformed 491 transitions.
[2026-05-22 17:58:53] [INFO ] Found NUPN structural information;
[2026-05-22 17:58:53] [INFO ] Parsed PT model containing 389 places and 491 transitions and 1176 arcs in 456 ms.
Graph (trivial) has 400 edges and 389 vertex of which 143 / 389 are part of one of the 15 SCC in 16 ms
Free SCC test removed 128 places
Structural test allowed to assert that 239 places are NOT stable. Took 53 ms.
Ensure Unique test removed 140 transitions
Reduce redundant transitions removed 140 transitions.
[2026-05-22 17:58:54] [INFO ] Flatten gal took : 228 ms
[2026-05-22 17:58:54] [INFO ] Flatten gal took : 47 ms
RANDOM walk for 40000 steps (300 resets) in 3137 ms. (12 steps per ms) remains 15/150 properties
[2026-05-22 17:58:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12744089353753314868.gal : 32 ms
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
[2026-05-22 17:58:54] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6270556411876650182.prop : 2 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/ReachabilityCardinality12744089353753314868.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6270556411876650182.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4003 steps (8 resets) in 31 ms. (125 steps per ms) remains 15/15 properties

BEST_FIRST walk for 4004 steps (8 resets) in 51 ms. (77 steps per ms) remains 15/15 properties
its-reach command run as :

BEST_FIRST walk for 4003 steps (8 resets) in 52 ms. (75 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
/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
BEST_FIRST walk for 4003 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 25 ms. (154 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
Loading property file /tmp/ReachabilityCardinality6270556411876650182.prop.
[2026-05-22 17:58:54] [INFO ] Flow matrix only has 337 transitions (discarded 14 similar events)
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :5 after 6
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :6 after 10
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :10 after 82
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :82 after 422
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :422 after 3541
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :3541 after 8920
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :8920 after 10195
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16275294614812388686.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-37441199673822024.kers'
[2026-05-22 17:58:54] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16275294614812388686.kers, --Pflows, --basisKERS=/tmp/petrispot-output-37441199673822024.kers]
Normalized transition count is 336 out of 337 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 336 rows 261 cols 866 entries
Finished phase 1 with 246 SingleSign rule and 0 generalized
[2026-05-22 17:58:54] [INFO ] Computed 15 invariants in 1 ms
Computed 15 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-37441199673822024.kers
Total runtime 3 ms.
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :10195 after 20011
[2026-05-22 17:58:54] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :20011 after 56762
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :56762 after 288753
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 246/261 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 8192
SDD size :288753 after 1.67549e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/261 variables, 246/276 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/261 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 336/597 variables, 261/537 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/597 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 1/598 variables, 1/538 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 16384
SDD size :1.67549e+07 after 3.11995e+09
At refinement iteration 8 (INCLUDED_ONLY) 0/598 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (OVERLAPS) 0/598 variables, 0/538 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 598/598 variables, and 538 constraints, problems are : Problem set: 0 solved, 15 unsolved in 2154 ms.
Refiners :[Domain max(s): 261/261 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 261/261 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/15 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 246/261 variables, 15/30 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/261 variables, 246/276 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/261 variables, 0/276 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 336/597 variables, 261/537 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/597 variables, 15/552 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/597 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 1/598 variables, 1/553 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/598 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/598 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 598/598 variables, and 553 constraints, problems are : Problem set: 0 solved, 15 unsolved in 2593 ms.
Refiners :[Domain max(s): 261/261 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 261/261 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4929ms problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 1 different solutions.
Finished Parikh walk after 75 steps, including 0 resets, run visited all 15 properties in 5 ms. (steps per millisecond=15 )
Parikh walk visited 15 properties in 13 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 152 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 6852 ms.

BK_STOP 1779472739627

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -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 StableMarking -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="Champagne-PT-H05T1U"
export BK_EXAMINATION="StableMarking"
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 Champagne-PT-H05T1U, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r056-smll-177946902800023"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H05T1U.tgz
mv Champagne-PT-H05T1U execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;