fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r016-oct2-177944372900363
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for AutoFlight-PT-48b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1188.911 22005.00 66052.00 79.70 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.r016-oct2-177944372900363.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 gold2025
Input is AutoFlight-PT-48b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372900363
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 5.6K Mar 5 18:44 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Mar 5 18:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 5 18:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K 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 3.6K Mar 15 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 5 18:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 5 18:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 5 18:44 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K Mar 5 18:44 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:16 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 956K 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 1779689049295

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-48b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 06:04:10] [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]
[2026-05-25 06:04:10] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:04:11] [INFO ] Load time of PNML (sax parser for PT used): 476 ms
[2026-05-25 06:04:11] [INFO ] Transformed 3950 places.
[2026-05-25 06:04:11] [INFO ] Transformed 3936 transitions.
[2026-05-25 06:04:11] [INFO ] Found NUPN structural information;
[2026-05-25 06:04:11] [INFO ] Parsed PT model containing 3950 places and 3936 transitions and 9104 arcs in 974 ms.
Structural test allowed to assert that 2347 places are NOT stable. Took 56 ms.
[2026-05-25 06:04:13] [INFO ] Flatten gal took : 473 ms
[2026-05-25 06:04:13] [INFO ] Flatten gal took : 299 ms
[2026-05-25 06:04:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13704354299719507695.gal : 128 ms
[2026-05-25 06:04:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16979045454219940972.prop : 18 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13704354299719507695.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16979045454219940972.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality16979045454219940972.prop.
RANDOM walk for 40000 steps (20 resets) in 7164 ms. (5 steps per ms) remains 1462/1603 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 121 steps (8 resets) in 39 ms. (3 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 121 steps (8 resets) in 44 ms. (2 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 80 ms. (1 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 14 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 121 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1462/1462 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1462/1462 properties
Probabilistic random walk after 30001 steps, saw 29661 distinct states, run finished after 4183 ms. (steps per millisecond=7 ) properties seen :0
// Phase 1: matrix 3936 rows 3950 cols
[2026-05-25 06:04:18] [INFO ] Computed 258 invariants in 61 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1603 properties remain. new max is 4
SDD size :1 after 3
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/1462 variables, 1462/1462 constraints. Problems are: Problem set: 0 solved, 1462 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1462/7886 variables, and 1462 constraints, problems are : Problem set: 0 solved, 1462 unsolved in 5117 ms.
Refiners :[Domain max(s): 1462/3950 constraints, Positive P Invariants (semi-flows): 0/257 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3950 constraints, PredecessorRefiner: 1462/1462 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1462 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1462 variables, 1462/1462 constraints. Problems are: Problem set: 0 solved, 1462 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1462/7886 variables, and 1462 constraints, problems are : Problem set: 0 solved, 1462 unsolved in 5031 ms.
Refiners :[Domain max(s): 1462/3950 constraints, Positive P Invariants (semi-flows): 0/257 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/3950 constraints, PredecessorRefiner: 0/1462 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11139ms problems are : Problem set: 0 solved, 1462 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1462 out of 3950 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3950/3950 places, 3936/3936 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1212 transitions
Trivial Post-agglo rules discarded 1212 transitions
Performed 1212 trivial Post agglomeration. Transition count delta: 1212
Iterating post reduction 0 with 1212 rules applied. Total rules applied 1212 place count 3950 transition count 2724
Reduce places removed 1212 places and 0 transitions.
Ensure Unique test removed 122 transitions
Reduce isomorphic transitions removed 122 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 1 with 1430 rules applied. Total rules applied 2642 place count 2738 transition count 2506
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 2 with 96 rules applied. Total rules applied 2738 place count 2642 transition count 2506
Performed 227 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 227 Pre rules applied. Total rules applied 2738 place count 2642 transition count 2279
Deduced a syphon composed of 227 places in 15 ms
Reduce places removed 227 places and 0 transitions.
Iterating global reduction 3 with 454 rules applied. Total rules applied 3192 place count 2415 transition count 2279
SDD proceeding with computation,1603 properties remain. new max is 8
SDD size :3 after 8
Discarding 22 places :
Symmetric choice reduction at 3 with 22 rule applications. Total rules 3214 place count 2393 transition count 2257
Iterating global reduction 3 with 22 rules applied. Total rules applied 3236 place count 2393 transition count 2257
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 17 Pre rules applied. Total rules applied 3236 place count 2393 transition count 2240
Deduced a syphon composed of 17 places in 14 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 3 with 34 rules applied. Total rules applied 3270 place count 2376 transition count 2240
Performed 457 Post agglomeration using F-continuation condition.Transition count delta: 457
Deduced a syphon composed of 457 places in 5 ms
Reduce places removed 457 places and 0 transitions.
Iterating global reduction 3 with 914 rules applied. Total rules applied 4184 place count 1919 transition count 1783
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 70 transitions
Redundant transition composition rules discarded 70 transitions
Iterating global reduction 3 with 70 rules applied. Total rules applied 4254 place count 1919 transition count 1713
Free-agglomeration rule applied 144 times.
Iterating global reduction 3 with 144 rules applied. Total rules applied 4398 place count 1919 transition count 1569
Reduce places removed 144 places and 0 transitions.
Iterating post reduction 3 with 144 rules applied. Total rules applied 4542 place count 1775 transition count 1569
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 4543 place count 1774 transition count 1568
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 4552 place count 1765 transition count 1568
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 11 Pre rules applied. Total rules applied 4552 place count 1765 transition count 1557
Deduced a syphon composed of 11 places in 3 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 5 with 22 rules applied. Total rules applied 4574 place count 1754 transition count 1557
Applied a total of 4574 rules in 650 ms. Remains 1754 /3950 variables (removed 2196) and now considering 1557/3936 (removed 2379) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 659 ms. Remains : 1754/3950 places, 1557/3936 transitions.
RANDOM walk for 34050 steps (0 resets) in 1281 ms. (26 steps per ms) remains 0/1462 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 1604 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 20303 ms.

BK_STOP 1779689071300

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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-48b"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="gold2025"
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 gold2025"
echo " Input is AutoFlight-PT-48b, 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 r016-oct2-177944372900363"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-48b.tgz
mv AutoFlight-PT-48b 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 ;