fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r128-smll-177955743900131
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for EGFr-PT-02010

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
291.979 9080.00 17574.00 160.10 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.r128-smll-177955743900131.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 EGFr-PT-02010, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900131
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 580K
-rw-r--r-- 1 mcc users 8.2K Mar 7 04:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Mar 7 04:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.9K Mar 7 04:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Mar 7 04:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.6K Mar 15 09:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 09:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Mar 15 09:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 22K Mar 15 09:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Mar 7 04:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 126K Mar 7 04:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 25K Mar 7 04:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 99K Mar 7 04:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:46 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 59K 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 1779571525976

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=EGFr-PT-02010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-23 21:25:28] [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 21:25:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:25:28] [INFO ] Load time of PNML (sax parser for PT used): 121 ms
[2026-05-23 21:25:28] [INFO ] Transformed 40 places.
[2026-05-23 21:25:28] [INFO ] Transformed 68 transitions.
[2026-05-23 21:25:28] [INFO ] Found NUPN structural information;
[2026-05-23 21:25:28] [INFO ] Parsed PT model containing 40 places and 68 transitions and 338 arcs in 336 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 8 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 9 ms.14252KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 40/40 places, 68/68 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Applied a total of 0 rules in 34 ms. Remains 40 /40 variables (removed 0) and now considering 68/68 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 62 ms. Remains : 40/40 places, 68/68 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 40/40 places, 68/68 transitions.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Applied a total of 0 rules in 11 ms. Remains 40 /40 variables (removed 0) and now considering 68/68 (removed 0) transitions.
[2026-05-23 21:25:29] [INFO ] Flow matrix only has 39 transitions (discarded 29 similar events)
// Phase 1: matrix 39 rows 40 cols
[2026-05-23 21:25:29] [INFO ] Computed 20 invariants in 11 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:25:29] [INFO ] Implicit Places using invariants in 434 ms returned []
[2026-05-23 21:25:29] [INFO ] Flow matrix only has 39 transitions (discarded 29 similar events)
[2026-05-23 21:25:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:25:29] [INFO ] State equation strengthened by 19 read => feed constraints.
[2026-05-23 21:25:29] [INFO ] Implicit Places using invariants and state equation in 259 ms returned []
Implicit Place search using SMT with State Equation took 765 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-23 21:25:29] [INFO ] Redundant transitions in 2 ms returned []
Running 65 sub problems to find dead transitions.
[2026-05-23 21:25:29] [INFO ] Flow matrix only has 39 transitions (discarded 29 similar events)
[2026-05-23 21:25:29] [INFO ] Invariant cache hit.
[2026-05-23 21:25:29] [INFO ] State equation strengthened by 19 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 40/40 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/40 variables, 20/60 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 2 places in 126 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 2 places in 30 ms of which 2 ms to minimize.
Problem TDEAD9 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 2 places in 29 ms of which 2 ms to minimize.
Problem TDEAD12 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 2 places in 24 ms of which 2 ms to minimize.
Problem TDEAD13 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 5 places in 24 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 2 places in 25 ms of which 2 ms to minimize.
Problem TDEAD25 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-23 21:25:30] [INFO ] Deduced a trap composed of 2 places in 21 ms of which 2 ms to minimize.
Problem TDEAD33 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD63 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/40 variables, 7/67 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/40 variables, 0/67 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 4 (OVERLAPS) 39/79 variables, 40/107 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 19/126 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 0/126 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 7 (OVERLAPS) 0/79 variables, 0/126 constraints. Problems are: Problem set: 9 solved, 56 unsolved
No progress, stopping.
After SMT solving in domain Real declared 79/79 variables, and 126 constraints, problems are : Problem set: 9 solved, 56 unsolved in 2626 ms.
Refiners :[Domain max(s): 40/40 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 40/40 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 9 solved, 56 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 39/39 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/39 variables, 19/58 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 7/65 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/39 variables, 0/65 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 4 (OVERLAPS) 1/40 variables, 1/66 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/40 variables, 1/67 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/40 variables, 0/67 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 7 (OVERLAPS) 39/79 variables, 40/107 constraints. Problems are: Problem set: 9 solved, 56 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/79 variables, 19/126 constraints. Problems are: Problem set: 9 solved, 56 unsolved
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
At refinement iteration 9 (INCLUDED_ONLY) 0/79 variables, 56/182 constraints. Problems are: Problem set: 15 solved, 50 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/182 constraints. Problems are: Problem set: 15 solved, 50 unsolved
At refinement iteration 11 (OVERLAPS) 0/79 variables, 0/182 constraints. Problems are: Problem set: 15 solved, 50 unsolved
No progress, stopping.
After SMT solving in domain Int declared 79/79 variables, and 182 constraints, problems are : Problem set: 15 solved, 50 unsolved in 2034 ms.
Refiners :[Domain max(s): 40/40 constraints, Positive P Invariants (semi-flows): 20/20 constraints, State Equation: 40/40 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 56/65 constraints, Known Traps: 7/7 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4746ms problems are : Problem set: 15 solved, 50 unsolved
Search for dead transitions found 15 dead transitions in 4763ms
Found 15 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 15 transitions
Dead transitions reduction (with SMT) removed 15 transitions
Starting structural reductions in DEADLOCK mode, iteration 1 : 40/40 places, 53/68 transitions.
Computed a total of 14 stabilizing places and 7 stable transitions
Computed a total of 14 stabilizing places and 7 stable transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 39 transition count 51
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 39 transition count 51
Computed a total of 13 stabilizing places and 7 stable transitions
Computed a total of 13 stabilizing places and 7 stable transitions
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 38 transition count 50
Reduce places removed 1 places and 0 transitions.
Computed a total of 11 stabilizing places and 6 stable transitions
Iterating post reduction 0 with 1 rules applied. Total rules applied 4 place count 37 transition count 50
Computed a total of 11 stabilizing places and 6 stable transitions
Computed a total of 11 stabilizing places and 6 stable transitions
Reduce places removed 2 places and 2 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 6 place count 35 transition count 48
Reduce places removed 2 places and 0 transitions.
Computed a total of 7 stabilizing places and 4 stable transitions
Iterating post reduction 1 with 2 rules applied. Total rules applied 8 place count 33 transition count 48
Computed a total of 7 stabilizing places and 4 stable transitions
Computed a total of 7 stabilizing places and 4 stable transitions
Applied a total of 8 rules in 28 ms. Remains 33 /40 variables (removed 7) and now considering 48/53 (removed 5) transitions.
[2026-05-23 21:25:34] [INFO ] Flow matrix only has 30 transitions (discarded 18 similar events)
// Phase 1: matrix 30 rows 33 cols
[2026-05-23 21:25:34] [INFO ] Computed 16 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:25:34] [INFO ] Implicit Places using invariants in 86 ms returned []
[2026-05-23 21:25:34] [INFO ] Flow matrix only has 30 transitions (discarded 18 similar events)
[2026-05-23 21:25:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 21:25:34] [INFO ] State equation strengthened by 15 read => feed constraints.
[2026-05-23 21:25:34] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 212 ms to find 0 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 2 : 33/40 places, 48/68 transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 5819 ms. Remains : 33/40 places, 48/68 transitions.
Finished random walk after 16 steps, including 0 resets, run found a deadlock after 5 ms. (steps per millisecond=3 )
FORMULA ReachabilityDeadlock TRUE TECHNIQUES TOPOLOGICAL STRUCTURAL_REDUCTION RANDOM_WALK
Total runtime 6374 ms.

BK_STOP 1779571535056

--------------------
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="EGFr-PT-02010"
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 EGFr-PT-02010, 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 r128-smll-177955743900131"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/EGFr-PT-02010.tgz
mv EGFr-PT-02010 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 ;