fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r352-smll-178021502300252
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for FileSystem-PT-N02I05B05

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
327.884 8702.00 15826.00 660.10 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.r352-smll-178021502300252.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 FileSystem-PT-N02I05B05, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r352-smll-178021502300252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 11K May 27 10:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 108K May 27 10:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K May 27 10:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K May 27 10:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 27 10:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 67K May 27 10:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K May 27 10:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 27 10:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.1K May 27 10:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 75K May 27 10:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K May 27 10:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 121K May 27 10:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 27 10:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 8.6K May 27 10:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 10 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 62K Jun 10 11:57 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1781100089989

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FileSystem-PT-N02I05B05
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-10 14:01:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-06-10 14:01:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-10 14:01:33] [INFO ] Load time of PNML (sax parser for PT used): 142 ms
[2026-06-10 14:01:33] [INFO ] Transformed 156 places.
[2026-06-10 14:01:33] [INFO ] Transformed 135 transitions.
[2026-06-10 14:01:33] [INFO ] Parsed PT model containing 156 places and 135 transitions and 475 arcs in 365 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 156/156 places, 135/135 transitions.
Reduce places removed 30 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 35 rules applied. Total rules applied 35 place count 126 transition count 130
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 40 place count 121 transition count 130
Performed 50 Post agglomeration using F-continuation condition.Transition count delta: 50
Deduced a syphon composed of 50 places in 1 ms
Reduce places removed 50 places and 0 transitions.
Iterating global reduction 2 with 100 rules applied. Total rules applied 140 place count 71 transition count 80
Applied a total of 140 rules in 50 ms. Remains 71 /156 variables (removed 85) and now considering 80/135 (removed 55) transitions.
// Phase 1: matrix 80 rows 71 cols
[2026-06-10 14:01:33] [INFO ] Computed 12 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-10 14:01:33] [INFO ] Implicit Places using invariants in 383 ms returned []
[2026-06-10 14:01:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-10 14:01:33] [INFO ] State equation strengthened by 25 read => feed constraints.
[2026-06-10 14:01:34] [INFO ] Implicit Places using invariants and state equation in 445 ms returned []
Implicit Place search using SMT with State Equation took 884 ms to find 0 implicit places.
Running 75 sub problems to find dead transitions.
[2026-06-10 14:01:34] [INFO ] Invariant cache hit.
[2026-06-10 14:01:34] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/65 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/65 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 75 unsolved
At refinement iteration 2 (OVERLAPS) 6/71 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 75 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:01:36] [INFO ] Deduced a trap composed of 25 places in 110 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:01:36] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:01:36] [INFO ] Deduced a trap composed of 4 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:01:36] [INFO ] Deduced a trap composed of 4 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:01:36] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-06-10 14:01:36] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 4 ms to minimize.
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD64 is UNSAT
Problem TDEAD65 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD67 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD69 is UNSAT
Problem TDEAD70 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD74 is UNSAT
Problem TDEAD75 is UNSAT
Problem TDEAD76 is UNSAT
Problem TDEAD77 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD79 is UNSAT
Problem TDEAD0 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 6/18 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/18 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 80/151 variables, 71/89 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 25/114 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/114 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/151 variables, 0/114 constraints. Problems are: Problem set: 65 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 151/151 variables, and 114 constraints, problems are : Problem set: 65 solved, 10 unsolved in 3015 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 71/71 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 75/75 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 65 solved, 10 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 0/0 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 51/71 variables, 12/12 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/71 variables, 6/18 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/71 variables, 0/18 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 4 (OVERLAPS) 80/151 variables, 71/89 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/151 variables, 25/114 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/151 variables, 10/124 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/151 variables, 0/124 constraints. Problems are: Problem set: 65 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/151 variables, 0/124 constraints. Problems are: Problem set: 65 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 151/151 variables, and 124 constraints, problems are : Problem set: 65 solved, 10 unsolved in 1257 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 71/71 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 10/75 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4415ms problems are : Problem set: 65 solved, 10 unsolved
Search for dead transitions found 65 dead transitions in 4436ms
Found 65 dead transitions using SMT.
FORMULA QuasiLiveness FALSE TECHNIQUES STRUCTURAL_REDUCTION
Total runtime 5869 ms.

BK_STOP 1781100098691

--------------------
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
+ [[ QuasiLiveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution QuasiLiveness -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 QuasiLiveness -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="FileSystem-PT-N02I05B05"
export BK_EXAMINATION="QuasiLiveness"
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 FileSystem-PT-N02I05B05, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r352-smll-178021502300252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FileSystem-PT-N02I05B05.tgz
mv FileSystem-PT-N02I05B05 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;