fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r080-tall-177946972500316
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for CopsAndRobbers-PT-HRL023X006

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
380.640 42136.00 51588.00 277.00 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.r080-tall-177946972500316.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 CopsAndRobbers-PT-HRL023X006, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r080-tall-177946972500316
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 696K
-rw-r--r-- 1 mcc users 11K Mar 6 13:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 6 13:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.6K Mar 6 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K Mar 15 08:36 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:36 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 08:36 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 08:36 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 13:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K Mar 6 13:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 13:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 6 13:30 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 08:36 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 08:36 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 11 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 230K 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779559390877

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CopsAndRobbers-PT-HRL023X006
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-23 18:03:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 18:03:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 18:03:12] [INFO ] Load time of PNML (sax parser for PT used): 73 ms
[2026-05-23 18:03:12] [INFO ] Transformed 125 places.
[2026-05-23 18:03:12] [INFO ] Transformed 287 transitions.
[2026-05-23 18:03:12] [INFO ] Parsed PT model containing 125 places and 287 transitions and 1500 arcs in 159 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 4 ms.15302KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 125/125 places, 287/287 transitions.
Computed a total of 4 stabilizing places and 47 stable transitions
Graph (complete) has 990 edges and 125 vertex of which 102 are kept as prefixes of interest. Removing 23 places using SCC suffix rule.6 ms
Discarding 23 places :
Also discarding 0 output transitions
Computed a total of 4 stabilizing places and 47 stable transitions
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 0 with 2 rules applied. Total rules applied 3 place count 101 transition count 286
Computed a total of 4 stabilizing places and 47 stable transitions
Computed a total of 4 stabilizing places and 47 stable transitions
Applied a total of 3 rules in 61 ms. Remains 101 /125 variables (removed 24) and now considering 286/287 (removed 1) transitions.
Running 240 sub problems to find dead transitions.
// Phase 1: matrix 286 rows 101 cols
[2026-05-23 18:03:12] [INFO ] Computed 26 invariants in 13 ms
[2026-05-23 18:03:12] [INFO ] State equation strengthened by 54 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Problem TDEAD124 is UNSAT
Problem TDEAD125 is UNSAT
Problem TDEAD132 is UNSAT
Problem TDEAD133 is UNSAT
Problem TDEAD140 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD149 is UNSAT
Problem TDEAD208 is UNSAT
Problem TDEAD209 is UNSAT
Problem TDEAD216 is UNSAT
Problem TDEAD217 is UNSAT
Problem TDEAD224 is UNSAT
Problem TDEAD225 is UNSAT
Problem TDEAD232 is UNSAT
Problem TDEAD233 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 23/23 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 1/24 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/24 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 3 (OVERLAPS) 2/101 variables, 2/26 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/26 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 286/387 variables, 101/127 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/387 variables, 54/181 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/387 variables, 0/181 constraints. Problems are: Problem set: 16 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 387/387 variables, and 181 constraints, problems are : Problem set: 16 solved, 224 unsolved in 20052 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 240/240 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 16 solved, 224 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/99 variables, 23/23 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/99 variables, 1/24 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/99 variables, 0/24 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 3 (OVERLAPS) 2/101 variables, 2/26 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/101 variables, 0/26 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 5 (OVERLAPS) 286/387 variables, 101/127 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/387 variables, 54/181 constraints. Problems are: Problem set: 16 solved, 224 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/387 variables, 224/405 constraints. Problems are: Problem set: 16 solved, 224 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 387/387 variables, and 405 constraints, problems are : Problem set: 16 solved, 224 unsolved in 20014 ms.
Refiners :[Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 101/101 constraints, ReadFeed: 54/54 constraints, PredecessorRefiner: 224/240 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40432ms problems are : Problem set: 16 solved, 224 unsolved
Search for dead transitions found 16 dead transitions in 40450ms
Found 16 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 16 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 16 transitions.
Starting structural reductions in DEADLOCK mode, iteration 1 : 101/125 places, 270/287 transitions.
Computed a total of 4 stabilizing places and 47 stable transitions
Computed a total of 4 stabilizing places and 47 stable 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 101 transition count 269
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 100 transition count 269
Computed a total of 4 stabilizing places and 47 stable transitions
Computed a total of 4 stabilizing places and 47 stable transitions
Applied a total of 2 rules in 25 ms. Remains 100 /101 variables (removed 1) and now considering 269/270 (removed 1) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 40596 ms. Remains : 100/125 places, 269/287 transitions.
Finished random walk after 208 steps, including 0 resets, run found a deadlock after 4 ms. (steps per millisecond=52 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 40827 ms.

BK_STOP 1779559433013

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -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 ReachabilityDeadlock -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="CopsAndRobbers-PT-HRL023X006"
export BK_EXAMINATION="ReachabilityDeadlock"
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 CopsAndRobbers-PT-HRL023X006, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r080-tall-177946972500316"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CopsAndRobbers-PT-HRL023X006.tgz
mv CopsAndRobbers-PT-HRL023X006 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;