fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r016-oct2-177944372900353
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for AutoFlight-PT-24b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
937.363 15434.00 44548.00 69.00 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-oct2-177944372900353.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-24b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r016-oct2-177944372900353
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 8.5K Mar 5 16:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Mar 5 16:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 16:35 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 5 16:35 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 5 16:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 139K Mar 5 16:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:35 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 538K 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 1779689010602

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutoFlight-PT-24b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-25 06:03:32] [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 06:03:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:03:32] [INFO ] Load time of PNML (sax parser for PT used): 182 ms
[2026-05-25 06:03:32] [INFO ] Transformed 2230 places.
[2026-05-25 06:03:32] [INFO ] Transformed 2228 transitions.
[2026-05-25 06:03:32] [INFO ] Found NUPN structural information;
[2026-05-25 06:03:32] [INFO ] Parsed PT model containing 2230 places and 2228 transitions and 5186 arcs in 395 ms.
Structural test allowed to assert that 1331 places are NOT stable. Took 35 ms.
[2026-05-25 06:03:33] [INFO ] Flatten gal took : 333 ms
[2026-05-25 06:03:34] [INFO ] Flatten gal took : 279 ms
[2026-05-25 06:03:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14639599703527558211.gal : 69 ms
[2026-05-25 06:03:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17540052615720686177.prop : 23 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/ReachabilityCardinality14639599703527558211.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17540052615720686177.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40000 steps (36 resets) in 5580 ms. (7 steps per ms) remains 788/899 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties

BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 788/788 properties
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
BEST_FIRST walk for 123 steps (8 resets) in 17 ms. (6 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 788/788 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 788/788 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 788/788 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 788/788 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 788/788 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 6 ms. (17 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 120 steps (8 resets) in 12 ms. (9 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 788/788 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 788/788 properties
BEST_FIRST walk for 122 steps (8 resets) in 7 ms. (15 steps per ms) remains 788/788 properties
// Phase 1: matrix 2228 rows 2230 cols
[2026-05-25 06:03:34] [INFO ] Computed 148 invariants in 51 ms
Loading property file /tmp/ReachabilityCardinality17540052615720686177.prop.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,899 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,899 properties remain. new max is 8
SDD size :3 after 8
At refinement iteration 0 (INCLUDED_ONLY) 0/788 variables, 788/788 constraints. Problems are: Problem set: 0 solved, 788 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 788/4458 variables, and 788 constraints, problems are : Problem set: 0 solved, 788 unsolved in 5177 ms.
Refiners :[Domain max(s): 788/2230 constraints, Positive P Invariants (semi-flows): 0/147 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2230 constraints, PredecessorRefiner: 788/788 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 788 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/788 variables, 788/788 constraints. Problems are: Problem set: 0 solved, 788 unsolved
SDD proceeding with computation,899 properties remain. new max is 16
SDD size :8 after 17
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 788/4458 variables, and 788 constraints, problems are : Problem set: 0 solved, 788 unsolved in 5020 ms.
Refiners :[Domain max(s): 788/2230 constraints, Positive P Invariants (semi-flows): 0/147 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/2230 constraints, PredecessorRefiner: 0/788 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10682ms problems are : Problem set: 0 solved, 788 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 788 out of 2230 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2230/2230 places, 2228/2228 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 676 transitions
Trivial Post-agglo rules discarded 676 transitions
Performed 676 trivial Post agglomeration. Transition count delta: 676
Iterating post reduction 0 with 676 rules applied. Total rules applied 676 place count 2230 transition count 1552
Reduce places removed 676 places and 0 transitions.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 1 with 802 rules applied. Total rules applied 1478 place count 1554 transition count 1426
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 1526 place count 1506 transition count 1426
Performed 145 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 145 Pre rules applied. Total rules applied 1526 place count 1506 transition count 1281
Deduced a syphon composed of 145 places in 4 ms
Reduce places removed 145 places and 0 transitions.
Iterating global reduction 3 with 290 rules applied. Total rules applied 1816 place count 1361 transition count 1281
Discarding 11 places :
Symmetric choice reduction at 3 with 11 rule applications. Total rules 1827 place count 1350 transition count 1270
Iterating global reduction 3 with 11 rules applied. Total rules applied 1838 place count 1350 transition count 1270
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 8 Pre rules applied. Total rules applied 1838 place count 1350 transition count 1262
Deduced a syphon composed of 8 places in 13 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 3 with 16 rules applied. Total rules applied 1854 place count 1342 transition count 1262
Performed 263 Post agglomeration using F-continuation condition.Transition count delta: 263
Deduced a syphon composed of 263 places in 1 ms
Reduce places removed 263 places and 0 transitions.
Iterating global reduction 3 with 526 rules applied. Total rules applied 2380 place count 1079 transition count 999
Renaming transitions due to excessive name length > 1024 char.
Drop transitions (Redundant composition of simpler transitions.) removed 42 transitions
Redundant transition composition rules discarded 42 transitions
Iterating global reduction 3 with 42 rules applied. Total rules applied 2422 place count 1079 transition count 957
Free-agglomeration rule applied 96 times.
Iterating global reduction 3 with 96 rules applied. Total rules applied 2518 place count 1079 transition count 861
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 3 with 96 rules applied. Total rules applied 2614 place count 983 transition count 861
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 2615 place count 982 transition count 860
Reduce places removed 9 places and 0 transitions.
Iterating post reduction 4 with 9 rules applied. Total rules applied 2624 place count 973 transition count 860
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 9 Pre rules applied. Total rules applied 2624 place count 973 transition count 851
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 5 with 18 rules applied. Total rules applied 2642 place count 964 transition count 851
Applied a total of 2642 rules in 417 ms. Remains 964 /2230 variables (removed 1266) and now considering 851/2228 (removed 1377) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 425 ms. Remains : 964/2230 places, 851/2228 transitions.
RANDOM walk for 13383 steps (0 resets) in 562 ms. (23 steps per ms) remains 0/788 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 900 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 13910 ms.

BK_STOP 1779689026036

--------------------
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-24b"
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-24b, 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-oct2-177944372900353"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutoFlight-PT-24b.tgz
mv AutoFlight-PT-24b 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 ;