fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r016-oct2-177944372900373
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for AutoFlight-PT-96b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2643.676 33366.00 105676.00 81.90 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-oct2-177944372900373.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-96b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372900373
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.3M
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 5 16:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K Mar 5 16:34 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Mar 5 16:34 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 5.8K Mar 5 16:34 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 47K Mar 5 16:34 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 5 16:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 5 16:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:17 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 1.9M 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 1779689097474

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-96b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 06:04:59] [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 06:04:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:04:59] [INFO ] Load time of PNML (sax parser for PT used): 573 ms
[2026-05-25 06:05:00] [INFO ] Transformed 7894 places.
[2026-05-25 06:05:00] [INFO ] Transformed 7868 transitions.
[2026-05-25 06:05:00] [INFO ] Found NUPN structural information;
[2026-05-25 06:05:00] [INFO ] Parsed PT model containing 7894 places and 7868 transitions and 18200 arcs in 1212 ms.
Structural test allowed to assert that 4691 places are NOT stable. Took 39 ms.
[2026-05-25 06:05:01] [INFO ] Flatten gal took : 629 ms
[2026-05-25 06:05:02] [INFO ] Flatten gal took : 530 ms
[2026-05-25 06:05:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8829750278499353216.gal : 189 ms
[2026-05-25 06:05:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7788582273905120953.prop : 25 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/ReachabilityCardinality8829750278499353216.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7788582273905120953.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 ...328
Loading property file /tmp/ReachabilityCardinality7788582273905120953.prop.
RANDOM walk for 40000 steps (8 resets) in 13024 ms. (3 steps per ms) remains 3128/3203 properties
BEST_FIRST walk for 123 steps (8 resets) in 33 ms. (3 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 36 ms. (3 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 74 ms. (1 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 25 ms. (4 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 20 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 17 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 20 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 124 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 124 steps (8 resets) in 17 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 124 steps (8 resets) in 22 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 22 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 20 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 48 ms. (2 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 3128/3128 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 3128/3128 properties
Interrupted probabilistic random walk after 26482 steps, run timeout after 9060 ms. (steps per millisecond=2 ) properties seen :0 out of 3128
Probabilistic random walk after 26482 steps, saw 26161 distinct states, run finished after 9081 ms. (steps per millisecond=2 ) properties seen :0
// Phase 1: matrix 7868 rows 7894 cols
[2026-05-25 06:05:14] [INFO ] Computed 514 invariants in 123 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3128 variables, 3128/3128 constraints. Problems are: Problem set: 0 solved, 3128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3128/15762 variables, and 3128 constraints, problems are : Problem set: 0 solved, 3128 unsolved in 5176 ms.
Refiners :[Domain max(s): 3128/7894 constraints, Positive P Invariants (semi-flows): 0/513 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/7894 constraints, PredecessorRefiner: 3128/3128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3128 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3128 variables, 3128/3128 constraints. Problems are: Problem set: 0 solved, 3128 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3128/15762 variables, and 3128 constraints, problems are : Problem set: 0 solved, 3128 unsolved in 5082 ms.
Refiners :[Domain max(s): 3128/7894 constraints, Positive P Invariants (semi-flows): 0/513 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/7894 constraints, PredecessorRefiner: 0/3128 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13471ms problems are : Problem set: 0 solved, 3128 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3128 out of 7894 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 7894/7894 places, 7868/7868 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2378 transitions
Trivial Post-agglo rules discarded 2378 transitions
Performed 2378 trivial Post agglomeration. Transition count delta: 2378
Iterating post reduction 0 with 2378 rules applied. Total rules applied 2378 place count 7894 transition count 5490
Reduce places removed 2378 places and 0 transitions.
Ensure Unique test removed 244 transitions
Reduce isomorphic transitions removed 244 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 192 transitions
Trivial Post-agglo rules discarded 192 transitions
Performed 192 trivial Post agglomeration. Transition count delta: 192
Iterating post reduction 1 with 2814 rules applied. Total rules applied 5192 place count 5516 transition count 5054
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 2 with 192 rules applied. Total rules applied 5384 place count 5324 transition count 5054
Performed 423 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 423 Pre rules applied. Total rules applied 5384 place count 5324 transition count 4631
Deduced a syphon composed of 423 places in 70 ms
Reduce places removed 423 places and 0 transitions.
Iterating global reduction 3 with 846 rules applied. Total rules applied 6230 place count 4901 transition count 4631
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 6237 place count 4894 transition count 4624
Iterating global reduction 3 with 7 rules applied. Total rules applied 6244 place count 4894 transition count 4624
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 6244 place count 4894 transition count 4618
Deduced a syphon composed of 6 places in 94 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 6256 place count 4888 transition count 4618
Performed 925 Post agglomeration using F-continuation condition.Transition count delta: 925
Deduced a syphon composed of 925 places in 16 ms
Reduce places removed 925 places and 0 transitions.
Iterating global reduction 3 with 1850 rules applied. Total rules applied 8106 place count 3963 transition count 3693
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 3 with 140 rules applied. Total rules applied 8246 place count 3963 transition count 3553
Free-agglomeration rule applied 288 times.
Iterating global reduction 3 with 288 rules applied. Total rules applied 8534 place count 3963 transition count 3265
Reduce places removed 288 places and 0 transitions.
Iterating post reduction 3 with 288 rules applied. Total rules applied 8822 place count 3675 transition count 3265
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 8823 place count 3674 transition count 3264
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 8829 place count 3668 transition count 3264
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 6 Pre rules applied. Total rules applied 8829 place count 3668 transition count 3258
Deduced a syphon composed of 6 places in 4 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 8841 place count 3662 transition count 3258
Applied a total of 8841 rules in 1709 ms. Remains 3662 /7894 variables (removed 4232) and now considering 3258/7868 (removed 4610) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1716 ms. Remains : 3662/7894 places, 3258/7868 transitions.
RANDOM walk for 77720 steps (0 resets) in 5881 ms. (13 steps per ms) remains 0/3128 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 3204 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 31639 ms.

BK_STOP 1779689130840

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ 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-96b"
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-96b, 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-oct2-177944372900373"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-96b.tgz
mv AutoFlight-PT-96b 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 ;