fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r040-tall-177946844700398
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for CANConstruction-PT-030

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
805.920 15067.00 41808.00 60.00 F normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r040-tall-177946844700398.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 itstools
Input is CANConstruction-PT-030, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r040-tall-177946844700398
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 9.2K Mar 6 09:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 09:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 6 09:18 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 6 09:18 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Mar 15 07:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 07:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 07:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 09:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 107K Mar 6 09:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 09:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 09:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 15 07:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:50 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 1.4M 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 1779481652374

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CANConstruction-PT-030
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 20:27:33] [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 20:27:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 20:27:33] [INFO ] Load time of PNML (sax parser for PT used): 186 ms
[2026-05-22 20:27:33] [INFO ] Transformed 2162 places.
[2026-05-22 20:27:33] [INFO ] Transformed 3840 transitions.
[2026-05-22 20:27:33] [INFO ] Parsed PT model containing 2162 places and 3840 transitions and 11400 arcs in 345 ms.
[2026-05-22 20:27:34] [INFO ] Flatten gal took : 445 ms
[2026-05-22 20:27:35] [INFO ] Flatten gal took : 308 ms
[2026-05-22 20:27:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7355374301595716215.gal : 128 ms
[2026-05-22 20:27:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5555934863141428492.prop : 24 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/ReachabilityCardinality7355374301595716215.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5555934863141428492.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
RANDOM walk for 40000 steps (74 resets) in 5285 ms. (7 steps per ms) remains 24/2162 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 21/24 properties
BEST_FIRST walk for 4004 steps (8 resets) in 17 ms. (222 steps per ms) remains 18/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/18 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 12/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 14 ms. (266 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 8 ms. (444 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 13 ms. (286 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 7 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 4004 steps (8 resets) in 10 ms. (364 steps per ms) remains 12/12 properties
Loading property file /tmp/ReachabilityCardinality5555934863141428492.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 11 ms. (333 steps per ms) remains 12/12 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5130222218852408196.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12153051078084160475.kers'
[2026-05-22 20:27:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5130222218852408196.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12153051078084160475.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 3840 rows 2162 cols 7860 entries
Finished phase 1 with 2071 SingleSign rule and 30 generalized
[2026-05-22 20:27:36] [INFO ] Computed 61 invariants in 13 ms
Computed 61 P flows in 18 ms.
Exported basis to /tmp/petrispot-output-12153051078084160475.kers
Total runtime 21 ms.
[2026-05-22 20:27:36] [INFO ] State equation strengthened by 1770 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 414/426 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 6/432 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/432 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 96/528 variables, 3/15 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/528 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (OVERLAPS) 1633/2161 variables, 46/61 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2161 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 3840/6001 variables, 2161/2222 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/6001 variables, 1770/3992 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/6001 variables, 0/3992 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 1/6002 variables, 1/3993 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 6002/6002 variables, and 3993 constraints, problems are : Problem set: 0 solved, 12 unsolved in 5031 ms.
Refiners :[Positive P Invariants (semi-flows): 58/58 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 2162/2162 constraints, ReadFeed: 1770/1770 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 414/426 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/426 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/426 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/426 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/426 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 6/432 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Invariant property smplace_410 does not hold.
Invariant property smplace_409 does not hold.
Invariant property smplace_408 does not hold.
Invariant property smplace_395 does not hold.
Invariant property smplace_394 does not hold.
Invariant property smplace_381 does not hold.
Invariant property smplace_380 does not hold.
Invariant property smplace_367 does not hold.
Invariant property smplace_366 does not hold.
Invariant property smplace_353 does not hold.
Invariant property smplace_352 does not hold.
Invariant property smplace_339 does not hold.
Invariant property smplace_338 does not hold.
Invariant property smplace_325 does not hold.
Invariant property smplace_324 does not hold.
Invariant property smplace_311 does not hold.
Invariant property smplace_310 does not hold.
Invariant property smplace_297 does not hold.
Invariant property smplace_296 does not hold.
Invariant property smplace_283 does not hold.
Invariant property smplace_282 does not hold.
At refinement iteration 7 (INCLUDED_ONLY) 0/432 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Invariant property smplace_269 does not hold.
Invariant property smplace_268 does not hold.
At refinement iteration 8 (OVERLAPS) 96/528 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 12 unsolved
Invariant property smplace_255 does not hold.
Invariant property smplace_254 does not hold.
Invariant property smplace_241 does not hold.
Invariant property smplace_240 does not hold.
Invariant property smplace_227 does not hold.
Invariant property smplace_226 does not hold.
Invariant property smplace_213 does not hold.
Invariant property smplace_212 does not hold.
Invariant property smplace_199 does not hold.
Invariant property smplace_198 does not hold.
Invariant property smplace_185 does not hold.
Invariant property smplace_184 does not hold.
Invariant property smplace_171 does not hold.
Invariant property smplace_170 does not hold.
Invariant property smplace_157 does not hold.
Invariant property smplace_156 does not hold.
Invariant property smplace_143 does not hold.
Invariant property smplace_142 does not hold.
Invariant property smplace_129 does not hold.
Invariant property smplace_128 does not hold.
Invariant property smplace_115 does not hold.
Invariant property smplace_114 does not hold.
Invariant property smplace_101 does not hold.
Invariant property smplace_100 does not hold.
Invariant property smplace_87 does not hold.
Invariant property smplace_86 does not hold.
Invariant property smplace_73 does not hold.
Invariant property smplace_72 does not hold.
Invariant property smplace_59 does not hold.
Invariant property smplace_58 does not hold.
Invariant property smplace_45 does not hold.
Invariant property smplace_44 does not hold.
Invariant property smplace_31 does not hold.
Invariant property smplace_30 does not hold.
Invariant property smplace_17 does not hold.
Invariant property smplace_16 does not hold.
Invariant property smplace_3 does not hold.
Invariant property smplace_2 does not hold.
Invariant property smplace_1 does not hold.
SDD proceeding with computation,2100 properties remain. new max is 2
SDD size :1 after 32
Invariant property smplace_396 does not hold.
SDD proceeding with computation,2099 properties remain. new max is 2
SDD size :32 after 33
Invariant property smplace_382 does not hold.
SDD proceeding with computation,2098 properties remain. new max is 2
SDD size :33 after 34
Invariant property smplace_368 does not hold.
SDD proceeding with computation,2097 properties remain. new max is 2
SDD size :34 after 35
Invariant property smplace_354 does not hold.
SDD proceeding with computation,2096 properties remain. new max is 2
SDD size :35 after 36
Invariant property smplace_340 does not hold.
SDD proceeding with computation,2095 properties remain. new max is 2
SDD size :36 after 37
SMT process timed out in 10262ms, After SMT, problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 12 out of 2162 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2162/2162 places, 3840/3840 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 210 transitions
Trivial Post-agglo rules discarded 210 transitions
Performed 210 trivial Post agglomeration. Transition count delta: 210
Iterating post reduction 0 with 210 rules applied. Total rules applied 210 place count 2162 transition count 3630
Reduce places removed 210 places and 0 transitions.
Iterating post reduction 1 with 210 rules applied. Total rules applied 420 place count 1952 transition count 3630
Discarding 834 places :
Symmetric choice reduction at 2 with 834 rule applications. Total rules 1254 place count 1118 transition count 1962
Iterating global reduction 2 with 834 rules applied. Total rules applied 2088 place count 1118 transition count 1962
Invariant property smplace_326 does not hold.
SDD proceeding with computation,2094 properties remain. new max is 2
SDD size :37 after 38
Performed 30 Post agglomeration using F-continuation condition.Transition count delta: 30
Deduced a syphon composed of 30 places in 2 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 2 with 60 rules applied. Total rules applied 2148 place count 1088 transition count 1932
Free-agglomeration rule applied 48 times.
Iterating global reduction 2 with 48 rules applied. Total rules applied 2196 place count 1088 transition count 1884
Reduce places removed 48 places and 0 transitions.
Iterating post reduction 2 with 48 rules applied. Total rules applied 2244 place count 1040 transition count 1884
Partial Free-agglomeration rule applied 12 times.
Drop transitions (Partial Free agglomeration) removed 12 transitions
Iterating global reduction 3 with 12 rules applied. Total rules applied 2256 place count 1040 transition count 1884
Applied a total of 2256 rules in 922 ms. Remains 1040 /2162 variables (removed 1122) and now considering 1884/3840 (removed 1956) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 928 ms. Remains : 1040/2162 places, 1884/3840 transitions.
Invariant property smplace_312 does not hold.
RANDOM walk for 19687 steps (94 resets) in 605 ms. (32 steps per ms) remains 0/12 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 2162 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 13762 ms.

BK_STOP 1779481667441

--------------------
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_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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="CANConstruction-PT-030"
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 CANConstruction-PT-030, 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 r040-tall-177946844700398"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-030.tgz
mv CANConstruction-PT-030 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 ;