fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r066-tall-177946967700376
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CO4-PT-12

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
542.132 65304.00 85336.00 181.90 8.1509E+0008 ? 1 8 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.r066-tall-177946967700376.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 CO4-PT-12, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r066-tall-177946967700376
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 668K
-rw-r--r-- 1 mcc users 7.6K Mar 6 13:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 13:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Mar 6 13:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 13:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 08:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 08:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 13:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 6 13:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 6 13:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 6 13:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Mar 15 08:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Mar 15 08:31 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 177K 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 1779523030018

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CO4-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-23 07:57:11] [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]
[2026-05-23 07:57:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 07:57:11] [INFO ] Load time of PNML (sax parser for PT used): 89 ms
[2026-05-23 07:57:11] [INFO ] Transformed 649 places.
[2026-05-23 07:57:11] [INFO ] Transformed 782 transitions.
[2026-05-23 07:57:11] [INFO ] Found NUPN structural information;
[2026-05-23 07:57:11] [INFO ] Parsed PT model containing 649 places and 782 transitions and 1960 arcs in 179 ms.
Deduced a syphon composed of 172 places in 9 ms
Reduce places removed 172 places and 219 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 477/477 places, 563/563 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
[2026-05-23 07:57:11] [INFO ] Redundant transitions in 31 ms returned []
Running 559 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-12268178464908492793.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3881723051038825006.kers'
[2026-05-23 07:57:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12268178464908492793.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3881723051038825006.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 560 rows 477 cols 1364 entries
Finished phase 1 with 458 SingleSign rule and 10 generalized
[2026-05-23 07:57:11] [INFO ] Computed 9 invariants in 3 ms
Computed 9 P flows in 4 ms.
Exported basis to /tmp/petrispot-output-3881723051038825006.kers
Total runtime 4 ms.
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 460/460 constraints. Problems are: Problem set: 0 solved, 559 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 0/460 constraints. Problems are: Problem set: 0 solved, 559 unsolved
At refinement iteration 2 (OVERLAPS) 13/473 variables, 8/468 constraints. Problems are: Problem set: 0 solved, 559 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/481 constraints. Problems are: Problem set: 0 solved, 559 unsolved
Problem TDEAD452 is UNSAT
Problem TDEAD453 is UNSAT
Problem TDEAD455 is UNSAT
Problem TDEAD456 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD463 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD471 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD475 is UNSAT
Problem TDEAD477 is UNSAT
Problem TDEAD479 is UNSAT
Problem TDEAD481 is UNSAT
Problem TDEAD482 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 15/496 constraints. Problems are: Problem set: 20 solved, 539 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 473/1037 variables, and 496 constraints, problems are : Problem set: 20 solved, 539 unsolved in 30034 ms.
Refiners :[Domain max(s): 473/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/477 constraints, PredecessorRefiner: 559/559 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 20 solved, 539 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/460 variables, 460/460 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/460 variables, 0/460 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 2 (OVERLAPS) 13/473 variables, 8/468 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/473 variables, 13/481 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/473 variables, 15/496 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/473 variables, 3/499 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/473 variables, 0/499 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 7 (OVERLAPS) 4/477 variables, 1/500 constraints. Problems are: Problem set: 20 solved, 539 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/477 variables, 4/504 constraints. Problems are: Problem set: 20 solved, 539 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 477/1037 variables, and 504 constraints, problems are : Problem set: 20 solved, 539 unsolved in 30017 ms.
Refiners :[Domain max(s): 477/477 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 0/477 constraints, PredecessorRefiner: 0/559 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60266ms problems are : Problem set: 20 solved, 539 unsolved
Search for dead transitions found 20 dead transitions in 60293ms
Found 20 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 20 transitions
Dead transitions reduction (with SMT) removed 20 transitions
Starting structural reductions in STATESPACE mode, iteration 1 : 477/477 places, 540/563 transitions.
[2026-05-23 07:58:11] [INFO ] Redundant transitions in 4 ms returned []
Finished structural reductions in STATESPACE mode , in 2 iterations and 60483 ms. Remains : 477/477 places, 540/563 transitions.
Final net has 477 places and 540 transitions.
[2026-05-23 07:58:12] [INFO ] Flatten gal took : 61 ms
[2026-05-23 07:58:12] [INFO ] Applying decomposition
[2026-05-23 07:58:12] [INFO ] Flatten gal took : 23 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/graph5466327720895666782.txt' '-o' '/tmp/graph5466327720895666782.bin' '-w' '/tmp/graph5466327720895666782.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph5466327720895666782.bin' '-l' '-1' '-v' '-w' '/tmp/graph5466327720895666782.weights' '-q' '0' '-e' '0.001'
[2026-05-23 07:58:12] [INFO ] Decomposing Gal with order
[2026-05-23 07:58:12] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 07:58:12] [INFO ] Removed a total of 149 redundant transitions.
[2026-05-23 07:58:12] [INFO ] Flatten gal took : 102 ms
[2026-05-23 07:58:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 14 ms.
[2026-05-23 07:58:12] [INFO ] Time to serialize gal into /tmp/StateSpace17392497529433583223.gal : 13 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/StateSpace17392497529433583223.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 ...220
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,8.15089e+08,2.82289,102240,1921,637,188831,2587,1015,500547,154,15523,0
Total reachable state count : 815089239

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 8
STATE_SPACE MAX_TOKEN_PER_MARKING 8 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 815089239
STATE_SPACE STATES 815089239 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 64171 ms.

BK_STOP 1779523095322

--------------------
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//
++ 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 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="CO4-PT-12"
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 CO4-PT-12, 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 r066-tall-177946967700376"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CO4-PT-12.tgz
mv CO4-PT-12 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 ;