fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r032-smll-177946790700038
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for AutonomousCar-PT-04b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
378.327 6607.00 16850.00 140.00 T normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r032-smll-177946790700038.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 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 AutonomousCar-PT-04b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r032-smll-177946790700038
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 5.8K Mar 5 16:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 5 16:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Mar 5 16:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K Mar 5 16:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 07:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 5 16:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 5 16:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 5 16:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:19 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 110K 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 1779472562045

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-04b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-22 17:56:04] [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]
[2026-05-22 17:56:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:56:04] [INFO ] Load time of PNML (sax parser for PT used): 199 ms
[2026-05-22 17:56:04] [INFO ] Transformed 221 places.
[2026-05-22 17:56:04] [INFO ] Transformed 368 transitions.
[2026-05-22 17:56:04] [INFO ] Found NUPN structural information;
[2026-05-22 17:56:04] [INFO ] Parsed PT model containing 221 places and 368 transitions and 1658 arcs in 432 ms.
Graph (trivial) has 211 edges and 221 vertex of which 4 / 221 are part of one of the 2 SCC in 7 ms
Free SCC test removed 2 places
Structural test allowed to assert that 55 places are NOT stable. Took 46 ms.
Ensure Unique test removed 2 transitions
Reduce redundant transitions removed 2 transitions.
RANDOM walk for 40000 steps (445 resets) in 2372 ms. (16 steps per ms) remains 1/166 properties
BEST_FIRST walk for 40004 steps (92 resets) in 360 ms. (110 steps per ms) remains 1/1 properties
[2026-05-22 17:56:05] [INFO ] Flow matrix only has 365 transitions (discarded 1 similar events)
// Phase 1: matrix 365 rows 219 cols
[2026-05-22 17:56:06] [INFO ] Computed 9 invariants in 30 ms
[2026-05-22 17:56:06] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-05-22 17:56:06] [INFO ] Flatten gal took : 297 ms
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-22 17:56:06] [INFO ] Flatten gal took : 106 ms
[2026-05-22 17:56:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13326640956959659410.gal : 42 ms
[2026-05-22 17:56:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15242918356597570814.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13326640956959659410.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15242918356597570814.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
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Loading property file /tmp/ReachabilityCardinality15242918356597570814.prop.
At refinement iteration 2 (OVERLAPS) 28/29 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 28/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :5 after 6
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :6 after 22
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :22 after 46
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :46 after 736
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :736 after 6779
At refinement iteration 5 (OVERLAPS) 190/219 variables, 8/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 190/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6779 after 36194
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :36194 after 735043
At refinement iteration 8 (OVERLAPS) 364/583 variables, 219/447 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/583 variables, 0/447 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/584 variables, 1/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/584 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/584 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 584/584 variables, and 448 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1002 ms.
Refiners :[Domain max(s): 219/219 constraints, Positive P Invariants (semi-flows): 9/9 constraints, State Equation: 219/219 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/1 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 28/29 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 28/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 190/219 variables, 8/38 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/219 variables, 190/228 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :735043 after 1.28403e+07
[2026-05-22 17:56:07] [INFO ] Deduced a trap composed of 12 places in 332 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-22 17:56:07] [INFO ] Deduced a trap composed of 34 places in 225 ms of which 21 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/219 variables, 2/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/219 variables, 0/230 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem smplace_215 is UNSAT
FORMULA StableMarking TRUE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST SMT_REFINEMENT TOPOLOGICAL
SMT process timed out in 2111ms, After SMT, problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 219 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 219/219 places, 366/366 transitions.
Graph (complete) has 584 edges and 219 vertex of which 212 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.4 ms
Discarding 7 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 99 transitions
Trivial Post-agglo rules discarded 99 transitions
Performed 99 trivial Post agglomeration. Transition count delta: 99
Iterating post reduction 0 with 101 rules applied. Total rules applied 102 place count 212 transition count 258
Reduce places removed 99 places and 0 transitions.
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 16 transitions
Trivial Post-agglo rules discarded 16 transitions
Performed 16 trivial Post agglomeration. Transition count delta: 16
Iterating post reduction 1 with 128 rules applied. Total rules applied 230 place count 113 transition count 229
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 246 place count 97 transition count 229
Performed 5 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 5 Pre rules applied. Total rules applied 246 place count 97 transition count 224
Deduced a syphon composed of 5 places in 2 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 3 with 10 rules applied. Total rules applied 256 place count 92 transition count 224
Discarding 19 places :
Symmetric choice reduction at 3 with 19 rule applications. Total rules 275 place count 73 transition count 205
Iterating global reduction 3 with 19 rules applied. Total rules applied 294 place count 73 transition count 205
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 3 with 64 rules applied. Total rules applied 358 place count 73 transition count 141
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 358 place count 73 transition count 139
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 362 place count 71 transition count 139
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 367 place count 66 transition count 122
Iterating global reduction 4 with 5 rules applied. Total rules applied 372 place count 66 transition count 122
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 4 with 8 rules applied. Total rules applied 380 place count 66 transition count 114
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 384 place count 62 transition count 114
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 6 with 44 rules applied. Total rules applied 428 place count 40 transition count 92
Discarding 4 places :
Symmetric choice reduction at 6 with 4 rule applications. Total rules 432 place count 36 transition count 72
Iterating global reduction 6 with 4 rules applied. Total rules applied 436 place count 36 transition count 72
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -13
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 6 with 2 rules applied. Total rules applied 438 place count 35 transition count 85
Free-agglomeration rule applied 3 times.
Iterating global reduction 6 with 3 rules applied. Total rules applied 441 place count 35 transition count 82
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 6 with 3 rules applied. Total rules applied 444 place count 32 transition count 82
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 445 place count 32 transition count 82
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 446 place count 31 transition count 81
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 447 place count 30 transition count 81
Applied a total of 447 rules in 150 ms. Remains 30 /219 variables (removed 189) and now considering 81/366 (removed 285) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 30/219 places, 81/366 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 3893 ms.

BK_STOP 1779472568652

--------------------
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="AutonomousCar-PT-04b"
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 AutonomousCar-PT-04b, 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 r032-smll-177946790700038"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-04b.tgz
mv AutonomousCar-PT-04b 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 ;