fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366400512
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AutoFlight-PT-05a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
333.407 26182.00 41561.00 107.80 6.8180E+0007 ? 1 33 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.r002-oct2-177944366400512.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 AutoFlight-PT-05a, examination is StateSpace
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366400512
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 7.4K Mar 5 18:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 5 18:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 5 18:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 5 18:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 07:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 07:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 07:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 18:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Mar 5 18:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.5K Mar 5 18:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 5 18:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:14 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 36K 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 1779491946496

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StateSpace
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutoFlight-PT-05a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StateSpace PT
Running Version 202604301425
[2026-05-22 23:19:08] [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]
[2026-05-22 23:19:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:19:08] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2026-05-22 23:19:08] [INFO ] Transformed 132 places.
[2026-05-22 23:19:08] [INFO ] Transformed 130 transitions.
[2026-05-22 23:19:08] [INFO ] Found NUPN structural information;
[2026-05-22 23:19:08] [INFO ] Parsed PT model containing 132 places and 130 transitions and 420 arcs in 165 ms.
Ensure Unique test removed 25 transitions
Reduce redundant transitions removed 25 transitions.
Starting structural reductions in STATESPACE mode, iteration 0 : 132/132 places, 105/105 transitions.
[2026-05-22 23:19:08] [INFO ] Redundant transitions in 2 ms returned []
Running 104 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-8632010698527095679.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17396719201412092886.kers'
[2026-05-22 23:19:08] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8632010698527095679.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17396719201412092886.kers]
Culling duplicate invariants (modulo rational): removing 10 columns.
Culled 10 columns in 0 ms.
// Phase 1: matrix 105 rows 122 cols 310 entries
Finished phase 1 with 91 SingleSign rule and 7 generalized
[2026-05-22 23:19:08] [INFO ] Computed 34 invariants in 0 ms
Computed 34 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17396719201412092886.kers
Total runtime 1 ms.
[2026-05-22 23:19:08] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 131/131 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/131 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/131 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 3 (OVERLAPS) 1/132 variables, 33/165 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 6 (OVERLAPS) 105/237 variables, 132/298 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 25/323 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 9 (OVERLAPS) 0/237 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 104 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 323 constraints, problems are : Problem set: 0 solved, 104 unsolved in 7146 ms.
Refiners :[Domain max(s): 132/132 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 104/104 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 104 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/131 variables, 131/131 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/131 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/131 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 3 (OVERLAPS) 1/132 variables, 33/165 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 1/166 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 6 (OVERLAPS) 105/237 variables, 132/298 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 25/323 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 104/427 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 9/436 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 0/436 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 11 (OVERLAPS) 0/237 variables, 2/438 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/237 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 13 (OVERLAPS) 0/237 variables, 4/442 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/237 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 104 unsolved
At refinement iteration 15 (OVERLAPS) 0/237 variables, 0/442 constraints. Problems are: Problem set: 0 solved, 104 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 442 constraints, problems are : Problem set: 0 solved, 104 unsolved in 16186 ms.
Refiners :[Domain max(s): 132/132 constraints, Positive P Invariants (semi-flows): 33/33 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 132/132 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 104/104 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23450ms problems are : Problem set: 0 solved, 104 unsolved
Search for dead transitions found 0 dead transitions in 23461ms
Finished structural reductions in STATESPACE mode , in 1 iterations and 23615 ms. Remains : 132/132 places, 105/105 transitions.
Final net has 132 places and 105 transitions.
[2026-05-22 23:19:32] [INFO ] Flatten gal took : 42 ms
[2026-05-22 23:19:32] [INFO ] Applying decomposition
[2026-05-22 23:19:32] [INFO ] Flatten gal took : 15 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/graph9234487846154668697.txt' '-o' '/tmp/graph9234487846154668697.bin' '-w' '/tmp/graph9234487846154668697.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph9234487846154668697.bin' '-l' '-1' '-v' '-w' '/tmp/graph9234487846154668697.weights' '-q' '0' '-e' '0.001'
[2026-05-22 23:19:32] [INFO ] Decomposing Gal with order
[2026-05-22 23:19:32] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-22 23:19:32] [INFO ] Removed a total of 10 redundant transitions.
[2026-05-22 23:19:32] [INFO ] Flatten gal took : 123 ms
[2026-05-22 23:19:32] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2026-05-22 23:19:32] [INFO ] Time to serialize gal into /tmp/StateSpace10365193339824650257.gal : 7 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/StateSpace10365193339824650257.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,6.818e+07,0.068444,6304,209,124,3032,3023,346,3638,97,7496,0
Total reachable state count : 68179969

Max variable value : 1
STATE_SPACE MAX_TOKEN_IN_PLACE 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Maximum sum along a path : 33
STATE_SPACE MAX_TOKEN_PER_MARKING 33 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Exact state count : 68179969
STATE_SPACE STATES 68179969 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Total runtime 24578 ms.

BK_STOP 1779491972678

--------------------
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="AutoFlight-PT-05a"
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 AutoFlight-PT-05a, 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 r002-oct2-177944366400512"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-05a.tgz
mv AutoFlight-PT-05a 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 ;