fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r008-oct2-177944369900338
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for AutoFlight-PT-12a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
399.831 5217.00 15938.00 76.30 F 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.r008-oct2-177944369900338.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-12a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r008-oct2-177944369900338
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 492K
-rw-r--r-- 1 mcc users 8.0K Mar 5 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 5 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 5 16:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 5 16:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.0K Mar 5 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.5K Mar 5 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 5 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:15 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 85K 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 1779656092285

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-12a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 20:54:53] [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]
[2026-05-24 20:54:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 20:54:54] [INFO ] Load time of PNML (sax parser for PT used): 91 ms
[2026-05-24 20:54:54] [INFO ] Transformed 307 places.
[2026-05-24 20:54:54] [INFO ] Transformed 305 transitions.
[2026-05-24 20:54:54] [INFO ] Found NUPN structural information;
[2026-05-24 20:54:54] [INFO ] Parsed PT model containing 307 places and 305 transitions and 980 arcs in 198 ms.
Structural test allowed to assert that 112 places are NOT stable. Took 12 ms.
Ensure Unique test removed 60 transitions
Reduce redundant transitions removed 60 transitions.
[2026-05-24 20:54:54] [INFO ] Flatten gal took : 139 ms
[2026-05-24 20:54:54] [INFO ] Flatten gal took : 31 ms
RANDOM walk for 40000 steps (731 resets) in 2584 ms. (15 steps per ms) remains 16/195 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
[2026-05-24 20:54:54] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15570611567133673113.gal : 18 ms
BEST_FIRST walk for 4003 steps (8 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 22 ms. (174 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 16/16 properties
[2026-05-24 20:54:55] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14288775976889413578.prop : 1 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/ReachabilityCardinality15570611567133673113.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14288775976889413578.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 12 ms. (308 steps per ms) remains 16/16 properties

its-reach command run as :

BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 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 ...330
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4004 steps (8 resets) in 15 ms. (250 steps per ms) remains 16/16 properties
Loading property file /tmp/ReachabilityCardinality14288775976889413578.prop.
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 16/16 properties
SDD proceeding with computation,16 properties remain. new max is 4
SDD size :1 after 3
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-6319153901884977181.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-17680085021570446862.kers'
SDD proceeding with computation,16 properties remain. new max is 8
SDD size :3 after 33
SDD proceeding with computation,16 properties remain. new max is 16
SDD size :33 after 513
[2026-05-24 20:54:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6319153901884977181.kers, --Pflows, --basisKERS=/tmp/petrispot-output-17680085021570446862.kers]
Culling duplicate invariants (modulo rational): removing 24 columns.
Culled 24 columns in 0 ms.
// Phase 1: matrix 245 rows 283 cols 716 entries
Finished phase 1 with 217 SingleSign rule and 14 generalized
[2026-05-24 20:54:55] [INFO ] Computed 76 invariants in 1 ms
Computed 76 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-17680085021570446862.kers
Total runtime 2 ms.
SDD proceeding with computation,16 properties remain. new max is 32
SDD size :513 after 65537
SDD proceeding with computation,16 properties remain. new max is 64
SDD size :65537 after 8.38861e+06
[2026-05-24 20:54:55] [INFO ] State equation strengthened by 60 read => feed constraints.
SDD proceeding with computation,16 properties remain. new max is 128
SDD size :8.38861e+06 after 1.59565e+08
SDD proceeding with computation,16 properties remain. new max is 256
SDD size :1.59565e+08 after 1.59711e+08
Invariant property smplace_233 does not hold.
Invariant property smplace_2 does not hold.
SDD proceeding with computation,14 properties remain. new max is 256
SDD size :1.59711e+08 after 1.85074e+08
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :1.85074e+08 after 2.07749e+08
Invariant property smplace_251 does not hold.
Invariant property smplace_23 does not hold.
SDD proceeding with computation,12 properties remain. new max is 512
SDD size :2.07749e+08 after 2.30949e+08
SDD proceeding with computation,12 properties remain. new max is 1024
SDD size :2.30949e+08 after 2.51723e+08
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/16 variables, 16/16 constraints. Problems are: Problem set: 4 solved, 12 unsolved
SDD proceeding with computation,12 properties remain. new max is 2048
SDD size :2.51723e+08 after 3.28243e+08
At refinement iteration 1 (INCLUDED_ONLY) 0/16 variables, 0/16 constraints. Problems are: Problem set: 4 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 188/204 variables, 17/33 constraints. Problems are: Problem set: 4 solved, 12 unsolved
Invariant property smplace_245 does not hold.
Invariant property smplace_16 does not hold.
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :3.28243e+08 after 6.52739e+08
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 188/221 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/221 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 102/306 variables, 58/279 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 102/381 constraints. Problems are: Problem set: 6 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/381 constraints. Problems are: Problem set: 6 solved, 10 unsolved
Invariant property smplace_269 does not hold.
Invariant property smplace_263 does not hold.
Invariant property smplace_44 does not hold.
Invariant property smplace_37 does not hold.
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :6.52739e+08 after 3.35873e+09
At refinement iteration 8 (OVERLAPS) 1/307 variables, 1/382 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/307 variables, 1/383 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/307 variables, 0/383 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 245/552 variables, 307/690 constraints. Problems are: Problem set: 10 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :3.35873e+09 after 3.74168e+09
At refinement iteration 12 (INCLUDED_ONLY) 0/552 variables, 60/750 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/552 variables, 0/750 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 0/552 variables, 0/750 constraints. Problems are: Problem set: 10 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 552/552 variables, and 750 constraints, problems are : Problem set: 10 solved, 6 unsolved in 917 ms.
Refiners :[Domain max(s): 307/307 constraints, Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 307/307 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 16/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 10 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 6/6 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/6 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 2 (OVERLAPS) 178/184 variables, 7/13 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/184 variables, 178/191 constraints. Problems are: Problem set: 10 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :3.74168e+09 after 5.42507e+09
At refinement iteration 4 (INCLUDED_ONLY) 0/184 variables, 0/191 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 5 (OVERLAPS) 122/306 variables, 68/259 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/306 variables, 122/381 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/306 variables, 0/381 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 8 (OVERLAPS) 1/307 variables, 1/382 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/307 variables, 1/383 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/307 variables, 0/383 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 245/552 variables, 307/690 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/552 variables, 60/750 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/552 variables, 6/756 constraints. Problems are: Problem set: 10 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/552 variables, 0/756 constraints. Problems are: Problem set: 10 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :5.42507e+09 after 2.63912e+10
At refinement iteration 15 (OVERLAPS) 0/552 variables, 0/756 constraints. Problems are: Problem set: 10 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 552/552 variables, and 756 constraints, problems are : Problem set: 10 solved, 6 unsolved in 1307 ms.
Refiners :[Domain max(s): 307/307 constraints, Positive P Invariants (semi-flows): 75/75 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 307/307 constraints, ReadFeed: 60/60 constraints, PredecessorRefiner: 6/16 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2295ms problems are : Problem set: 10 solved, 6 unsolved
Fused 6 Parikh solutions to 3 different solutions.
Finished Parikh walk after 46 steps, including 1 resets, run visited all 6 properties in 17 ms. (steps per millisecond=2 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 2 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 23 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 196 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK PARIKH_WALK MARKED_SUFFIX_TEST DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL
Total runtime 3536 ms.

BK_STOP 1779656097502

--------------------
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="AutoFlight-PT-12a"
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 AutoFlight-PT-12a, 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 r008-oct2-177944369900338"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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