fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r175-smll-177961111800072
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for MAPK-PT-00080

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
333.224 6034.00 11757.00 165.20 40 40 40 60 40 40 40 60 60 20 80 60 40 60 40 60 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.r175-smll-177961111800072.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)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool gold2025
Input is MAPK-PT-00080, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r175-smll-177961111800072
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 552K
-rw-r--r-- 1 mcc users 8.3K Mar 7 17:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K Mar 7 17:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 17:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 17:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 11:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 11:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 17:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 113K Mar 7 17:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Mar 7 17:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 122K Mar 7 17:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 11:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 25K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME MAPK-PT-00080-UpperBounds-00
FORMULA_NAME MAPK-PT-00080-UpperBounds-01
FORMULA_NAME MAPK-PT-00080-UpperBounds-02
FORMULA_NAME MAPK-PT-00080-UpperBounds-03
FORMULA_NAME MAPK-PT-00080-UpperBounds-04
FORMULA_NAME MAPK-PT-00080-UpperBounds-05
FORMULA_NAME MAPK-PT-00080-UpperBounds-06
FORMULA_NAME MAPK-PT-00080-UpperBounds-07
FORMULA_NAME MAPK-PT-00080-UpperBounds-08
FORMULA_NAME MAPK-PT-00080-UpperBounds-09
FORMULA_NAME MAPK-PT-00080-UpperBounds-10
FORMULA_NAME MAPK-PT-00080-UpperBounds-11
FORMULA_NAME MAPK-PT-00080-UpperBounds-12
FORMULA_NAME MAPK-PT-00080-UpperBounds-13
FORMULA_NAME MAPK-PT-00080-UpperBounds-14
FORMULA_NAME MAPK-PT-00080-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779753880540

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MAPK-PT-00080
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-26 00:04:43] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-26 00:04:43] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-26 00:04:43] [INFO ] Load time of PNML (sax parser for PT used): 83 ms
[2026-05-26 00:04:43] [INFO ] Transformed 22 places.
[2026-05-26 00:04:43] [INFO ] Transformed 30 transitions.
[2026-05-26 00:04:43] [INFO ] Parsed PT model containing 22 places and 30 transitions and 90 arcs in 278 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 16 ms.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 40, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 60, 0, 60] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 40, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 60, 0, 60] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 30 rows 22 cols
[2026-05-26 00:04:43] [INFO ] Computed 7 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 40, 0, 0, 0, 0, 60, 0, 0, 0, 0, 0, 60, 0, 60] Max Struct:[40, 40, 40, 60, 40, 40, 40, 60, 60, 20, 80, 60, 40, 60, 40, 60]
FORMULA MAPK-PT-00080-UpperBounds-15 60 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-00080-UpperBounds-13 60 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-00080-UpperBounds-07 60 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA MAPK-PT-00080-UpperBounds-02 40 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10012 steps (2 resets) in 30 ms. (322 steps per ms)
FORMULA MAPK-PT-00080-UpperBounds-14 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-12 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-10 80 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-09 20 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-06 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-05 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-01 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-00 40 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 4, 40, 40] Max Struct:[60, 40, 60, 60]
[2026-05-26 00:04:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:43] [INFO ] [Real]Absence check using 7 positive place invariants in 13 ms returned sat
[2026-05-26 00:04:43] [INFO ] [Real]Absence check using state equation in 52 ms returned sat
[2026-05-26 00:04:43] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 17 ms.
[2026-05-26 00:04:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 10 ms.
[2026-05-26 00:04:44] [INFO ] Added : 15 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Real]Absence check using 7 positive place invariants in 8 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 11 ms.
[2026-05-26 00:04:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 9 ms.
[2026-05-26 00:04:44] [INFO ] Added : 19 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Real]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 13 ms.
[2026-05-26 00:04:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 7 ms.
[2026-05-26 00:04:44] [INFO ] Added : 15 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Real]Absence check using 7 positive place invariants in 3 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 5 ms.
[2026-05-26 00:04:44] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using 7 positive place invariants in 5 ms returned sat
[2026-05-26 00:04:44] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2026-05-26 00:04:44] [INFO ] Computed and/alt/rep : 27/54/27 causal constraints (skipped 2 transitions) in 8 ms.
[2026-05-26 00:04:44] [INFO ] Added : 12 causal constraints over 3 iterations in 32 ms. Result :sat
Minimization took 14 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 4, 40, 40] Max Struct:[60, 40, 60, 60]
FORMULA MAPK-PT-00080-UpperBounds-04 40 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[60, 40, 51] Max Struct:[60, 60, 60]
Support contains 3 out of 22 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 22/22 places, 30/30 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 22 transition count 29
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 20 transition count 29
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 20 transition count 28
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 16 place count 13 transition count 23
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Graph (trivial) has 4 edges and 13 vertex of which 2 / 13 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Iterating post reduction 1 with 6 rules applied. Total rules applied 22 place count 12 transition count 18
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Graph (trivial) has 4 edges and 11 vertex of which 3 / 11 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Iterating post reduction 2 with 4 rules applied. Total rules applied 26 place count 9 transition count 16
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 30 place count 9 transition count 12
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 31 place count 9 transition count 11
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 2 rules applied. Total rules applied 33 place count 8 transition count 10
Applied a total of 33 rules in 78 ms. Remains 8 /22 variables (removed 14) and now considering 10/30 (removed 20) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 91 ms. Remains : 8/22 places, 10/30 transitions.
// Phase 1: matrix 10 rows 8 cols
[2026-05-26 00:04:45] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[60, 40, 51] Max Struct:[60, 60, 60]
FORMULA MAPK-PT-00080-UpperBounds-03 60 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000035 steps (2 resets) in 256 ms. (3891 steps per ms)
FORMULA MAPK-PT-00080-UpperBounds-11 60 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MAPK-PT-00080-UpperBounds-08 60 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (2 resets) in 415 ms. (2403 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-26 00:04:46] [INFO ] Flatten gal took : 36 ms
[2026-05-26 00:04:46] [INFO ] Flatten gal took : 6 ms
[2026-05-26 00:04:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12275145612993268753.gal : 8 ms
[2026-05-26 00:04:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14453665483381672277.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/ReachabilityCardinality12275145612993268753.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14453665483381672277.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 3482 ms.

BK_STOP 1779753886574

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="MAPK-PT-00080"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 MAPK-PT-00080, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r175-smll-177961111800072"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MAPK-PT-00080.tgz
mv MAPK-PT-00080 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;