fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r176-smll-177961111900052
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for IBM5964-PT-none

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
235.836 4405.00 9444.00 196.70 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.r176-smll-177961111900052.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 IBM5964-PT-none, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r176-smll-177961111900052
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 700K
-rw-r--r-- 1 mcc users 11K Mar 7 17:02 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Mar 7 17:02 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Mar 7 17:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 17:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 15 11:00 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 11:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:00 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 11:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 25K Mar 7 17:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K Mar 7 17:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 17K Mar 7 17:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 7 17:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 11:00 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Mar 15 11:00 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 171K 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1779750235907

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=IBM5964-PT-none
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 23:03:58] [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]
[2026-05-25 23:03:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 23:03:58] [INFO ] Load time of PNML (sax parser for PT used): 182 ms
[2026-05-25 23:03:58] [INFO ] Transformed 263 places.
[2026-05-25 23:03:58] [INFO ] Transformed 139 transitions.
[2026-05-25 23:03:58] [INFO ] Parsed PT model containing 263 places and 139 transitions and 541 arcs in 396 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 263/263 places, 139/139 transitions.
Ensure Unique test removed 117 places
Reduce places removed 126 places and 0 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 85 transitions
Trivial Post-agglo rules discarded 85 transitions
Performed 85 trivial Post agglomeration. Transition count delta: 85
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 137 transition count 54
Reduce places removed 85 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 1 with 87 rules applied. Total rules applied 298 place count 52 transition count 52
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 299 place count 51 transition count 52
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 17 Pre rules applied. Total rules applied 299 place count 51 transition count 35
Deduced a syphon composed of 17 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 335 place count 32 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 335 place count 32 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 337 place count 31 transition count 34
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 1 ms
Ensure Unique test removed 2 places
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 28 rules applied. Total rules applied 365 place count 16 transition count 21
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 368 place count 16 transition count 18
Renaming transitions due to excessive name length > 1024 char.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 374 place count 13 transition count 15
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 375 place count 13 transition count 14
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 5 with 2 rules applied. Total rules applied 377 place count 12 transition count 13
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 378 place count 12 transition count 12
Applied a total of 378 rules in 96 ms. Remains 12 /263 variables (removed 251) and now considering 12/139 (removed 127) transitions.
// Phase 1: matrix 12 rows 12 cols
[2026-05-25 23:03:58] [INFO ] Computed 1 invariants in 9 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 23:03:59] [INFO ] Implicit Places using invariants in 283 ms returned []
[2026-05-25 23:03:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 23:03:59] [INFO ] Implicit Places using invariants and state equation in 97 ms returned [1]
Discarding 1 places :
Implicit Place search using SMT with State Equation took 476 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 11/263 places, 12/139 transitions.
Applied a total of 0 rules in 1 ms. Remains 11 /11 variables (removed 0) and now considering 12/12 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 606 ms. Remains : 11/263 places, 12/139 transitions.
Discarding 7 transitions out of 12. Remains 5
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (6146 resets) in 923 ms. (43 steps per ms) remains 2/4 properties
[2026-05-25 23:03:59] [INFO ] Flatten gal took : 55 ms
[2026-05-25 23:03:59] [INFO ] Flatten gal took : 6 ms
BEST_FIRST walk for 40001 steps (2398 resets) in 420 ms. (95 steps per ms) remains 2/2 properties
[2026-05-25 23:03:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16029721740348407571.gal : 23 ms
[2026-05-25 23:04:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8951659716653294303.prop : 8 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/ReachabilityCardinality16029721740348407571.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8951659716653294303.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 ...329
Loading property file /tmp/ReachabilityCardinality8951659716653294303.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :4 after 16
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,29,0.041765,3976,2,31,7,132,8,0,59,95,0
Total reachable state count : 29

Verifying 2 reachability properties.
Reachability property qltransition_5 does not hold.
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING TOPOLOGICAL INITIAL_STATE
ITS tools runner thread asked to quit. Dying gracefully.
BEST_FIRST walk for 40003 steps (2489 resets) in 676 ms. (59 steps per ms) remains 2/2 properties
Total runtime 1867 ms.

BK_STOP 1779750240312

--------------------
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="IBM5964-PT-none"
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 IBM5964-PT-none, 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 r176-smll-177961111900052"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/IBM5964-PT-none.tgz
mv IBM5964-PT-none 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 ;