fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r002-oct2-177944366400510
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
297.436 4236.00 11952.00 107.10 FTTTTFTFTTTFTTTF 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-oct2-177944366400510.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutoFlight-PT-05a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-oct2-177944366400510
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-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 6.6K Mar 3 18:30 GenericPropertiesVerdict.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)

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-00
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-01
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-02
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-03
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-04
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-05
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-06
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-07
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-08
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-09
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-10
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-11
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-12
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-13
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-14
FORMULA_NAME AutoFlight-PT-05a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779491942752

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
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
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 23:19:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 23:19:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 23:19:04] [INFO ] Load time of PNML (sax parser for PT used): 59 ms
[2026-05-22 23:19:04] [INFO ] Transformed 132 places.
[2026-05-22 23:19:04] [INFO ] Transformed 130 transitions.
[2026-05-22 23:19:04] [INFO ] Found NUPN structural information;
[2026-05-22 23:19:04] [INFO ] Parsed PT model containing 132 places and 130 transitions and 420 arcs in 160 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 23 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 25 transitions
Reduce redundant transitions removed 25 transitions.
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 23:19:05] [INFO ] Flatten gal took : 53 ms
RANDOM walk for 40000 steps (1227 resets) in 1352 ms. (29 steps per ms) remains 3/12 properties
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 23:19:05] [INFO ] Flatten gal took : 19 ms
[2026-05-22 23:19:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12474096937771130222.gal : 19 ms
BEST_FIRST walk for 40004 steps (180 resets) in 213 ms. (186 steps per ms) remains 3/3 properties
[2026-05-22 23:19:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9475675735425459316.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/ReachabilityCardinality12474096937771130222.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9475675735425459316.prop' '--nowitness' '--gen-order' 'FOLLOW'

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 ...329
Loading property file /tmp/ReachabilityCardinality9475675735425459316.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 9
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :9 after 65
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :65 after 257
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :257 after 4097
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :4097 after 102577
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :102577 after 104705
BEST_FIRST walk for 40002 steps (179 resets) in 595 ms. (67 steps per ms) remains 3/3 properties
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :104705 after 252417
BEST_FIRST walk for 40003 steps (141 resets) in 320 ms. (124 steps per ms) remains 3/3 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2527060963385250405.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11550307499698863369.kers'
[2026-05-22 23:19:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2527060963385250405.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11550307499698863369.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 23:19:05] [INFO ] Computed 34 invariants in 0 ms
Computed 34 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-11550307499698863369.kers
Total runtime 1 ms.
[2026-05-22 23:19:05] [INFO ] State equation strengthened by 25 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 70/115 variables, 21/66 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/115 variables, 70/136 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 1/137 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 17/132 variables, 12/149 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 17/166 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 105/237 variables, 132/298 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 25/323 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (OVERLAPS) 0/237 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 323 constraints, problems are : Problem set: 0 solved, 3 unsolved in 612 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: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem AutoFlight-PT-05a-ReachabilityCardinality-2024-01 is UNSAT
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
Problem AutoFlight-PT-05a-ReachabilityCardinality-2024-06 is UNSAT
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 70/115 variables, 21/66 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/115 variables, 70/136 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/115 variables, 1/137 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/115 variables, 0/137 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 17/132 variables, 12/149 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/132 variables, 17/166 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/132 variables, 0/166 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 105/237 variables, 132/298 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 25/323 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 1/324 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/237 variables, 0/324 constraints. Problems are: Problem set: 2 solved, 1 unsolved
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :252417 after 689208
At refinement iteration 13 (OVERLAPS) 0/237 variables, 0/324 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 324 constraints, problems are : Problem set: 2 solved, 1 unsolved in 344 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: 1/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1048ms problems are : Problem set: 2 solved, 1 unsolved
Finished Parikh walk after 36 steps, including 1 resets, run visited all 1 properties in 1 ms. (steps per millisecond=36 )
FORMULA AutoFlight-PT-05a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 5 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 2149 ms.

BK_STOP 1779491946988

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="ReachabilityCardinality"
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 ReachabilityCardinality"
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-oct2-177944366400510"
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 [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;