fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r178-oct2-177969019900136
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for MedleyA-PT-05

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
404.163 56061.00 75979.00 138.20 6.2707E+0009 ? 1 16 normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969019900136.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 MedleyA-PT-05, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969019900136
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 5.4K Mar 7 18:18 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Mar 7 18:18 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 7 18:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 7 18:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 11:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 18:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 146K Mar 7 18:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 7 18:18 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 76K Mar 7 18:18 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 11:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:26 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 75K Mar 3 18:30 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

no data necessary for post analysis


=== Now, execution of the tool begins

BK_START 1779699249296

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-25 08:54:10] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StateSpace, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 08:54:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 08:54:11] [INFO ] Load time of PNML (sax parser for PT used): 75 ms
[2026-05-25 08:54:11] [INFO ] Transformed 115 places.
[2026-05-25 08:54:11] [INFO ] Transformed 257 transitions.
[2026-05-25 08:54:11] [INFO ] Found NUPN structural information;
[2026-05-25 08:54:11] [INFO ] Parsed PT model containing 115 places and 257 transitions and 1160 arcs in 170 ms.
Ensure Unique test removed 3 transitions
Reduce redundant transitions removed 5 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 115/115 places, 252/252 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
[2026-05-25 08:54:11] [INFO ] Redundant transitions in 7 ms returned []
Running 248 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8657674107026780912.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16130988134003272137.kers'
[2026-05-25 08:54:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8657674107026780912.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16130988134003272137.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 249 rows 115 cols 899 entries
Finished phase 1 with 91 SingleSign rule and 4 generalized
[2026-05-25 08:54:11] [INFO ] Computed 20 invariants in 2 ms
Computed 20 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-16130988134003272137.kers
Total runtime 4 ms.
[2026-05-25 08:54:11] [INFO ] State equation strengthened by 93 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/114 variables, 114/114 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/114 variables, 5/119 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (OVERLAPS) 1/115 variables, 15/134 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 16/151 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 8 (OVERLAPS) 249/364 variables, 115/267 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/364 variables, 93/360 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/364 variables, 1/361 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/364 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 12 (OVERLAPS) 0/364 variables, 0/361 constraints. Problems are: Problem set: 0 solved, 248 unsolved
No progress, stopping.
After SMT solving in domain Real declared 364/364 variables, and 361 constraints, problems are : Problem set: 0 solved, 248 unsolved in 21475 ms.
Refiners :[Domain max(s): 115/115 constraints, Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 115/115 constraints, ReadFeed: 93/93 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 248 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/114 variables, 114/114 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/114 variables, 5/119 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/114 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 3 (OVERLAPS) 1/115 variables, 15/134 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 18/153 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/115 variables, 3/156 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 8 (OVERLAPS) 249/364 variables, 115/271 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/364 variables, 93/364 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/364 variables, 248/612 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/364 variables, 2/614 constraints. Problems are: Problem set: 0 solved, 248 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/364 variables, 0/614 constraints. Problems are: Problem set: 0 solved, 248 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 364/364 variables, and 614 constraints, problems are : Problem set: 0 solved, 248 unsolved in 30026 ms.
Refiners :[Domain max(s): 115/115 constraints, Positive P Invariants (semi-flows): 15/15 constraints, Generalized P Invariants (flows): 5/5 constraints, State Equation: 115/115 constraints, ReadFeed: 93/93 constraints, PredecessorRefiner: 248/248 constraints, Known Traps: 23/23 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51809ms problems are : Problem set: 0 solved, 248 unsolved
Search for dead transitions found 0 dead transitions in 51829ms
Starting structural reductions in STATESPACE mode, iteration 1 : 115/115 places, 249/252 transitions.
Finished structural reductions in STATESPACE mode , in 1 iterations and 52016 ms. Remains : 115/115 places, 249/252 transitions.
Final net has 115 places and 249 transitions.
[2026-05-25 08:55:03] [INFO ] Flatten gal took : 62 ms
[2026-05-25 08:55:03] [INFO ] Applying decomposition
[2026-05-25 08:55:03] [INFO ] Flatten gal took : 17 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph6068181852268255986.txt' '-o' '/tmp/graph6068181852268255986.bin' '-w' '/tmp/graph6068181852268255986.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph6068181852268255986.bin' '-l' '-1' '-v' '-w' '/tmp/graph6068181852268255986.weights' '-q' '0' '-e' '0.001'
[2026-05-25 08:55:03] [INFO ] Decomposing Gal with order
[2026-05-25 08:55:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 08:55:03] [INFO ] Removed a total of 363 redundant transitions.
[2026-05-25 08:55:04] [INFO ] Flatten gal took : 438 ms
[2026-05-25 08:55:04] [INFO ] Fuse similar labels procedure discarded/fused a total of 41 labels/synchronizations in 9 ms.
[2026-05-25 08:55:04] [INFO ] Time to serialize gal into /tmp/StateSpace5425802084138378526.gal : 4 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/StateSpace5425802084138378526.gal' '-t' 'CGAL' '--stats'

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 ...219
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,6.27068e+09,1.08891,34876,1534,287,48889,1498,328,122757,172,9413,0
Total reachable state count : 6270677844

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 16
STATE_SPACE MAX_TOKEN_PER_MARKING 16 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 6270677844
STATE_SPACE STATES 6270677844 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 54344 ms.

BK_STOP 1779699305357

--------------------
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
+ [[ StateSpace = StateSpace ]]
+ [[ -f modelMain.xml ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StateSpace -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 StateSpace -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="MedleyA-PT-05"
export BK_EXAMINATION="StateSpace"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 MedleyA-PT-05, examination is StateSpace"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r178-oct2-177969019900136"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-05.tgz
mv MedleyA-PT-05 execution
cd execution
if [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "UpperBounds" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] || [ "StateSpace" = "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 [ "StateSpace" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StateSpace" != "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 "StateSpace.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 '' StateSpace.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StateSpace" = "ReachabilityDeadlock" ] || [ "StateSpace" = "QuasiLiveness" ] || [ "StateSpace" = "StableMarking" ] || [ "StateSpace" = "Liveness" ] || [ "StateSpace" = "OneSafe" ] ; then
echo "FORMULA_NAME StateSpace"
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 ;