fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r160-tall-177961080100352
Last Updated
Jun 17, 2026

About the Execution of 2025-gold for HealthRecord-PT-04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
394.056 43825.00 56219.00 233.30 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.r160-tall-177961080100352.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 HealthRecord-PT-04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-tall-177961080100352
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 532K
-rw-r--r-- 1 mcc users 8.0K Mar 7 13:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 92K Mar 7 13:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Mar 7 13:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Mar 7 13:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 10:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 10:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 10:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 15 10:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 16K Mar 7 13:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 178K Mar 7 13:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 13:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 7 13:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 10:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 50K 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 1779702819311

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HealthRecord-PT-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-25 09:53:40] [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 09:53:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:53:40] [INFO ] Load time of PNML (sax parser for PT used): 68 ms
[2026-05-25 09:53:40] [INFO ] Transformed 123 places.
[2026-05-25 09:53:40] [INFO ] Transformed 239 transitions.
[2026-05-25 09:53:40] [INFO ] Found NUPN structural information;
[2026-05-25 09:53:40] [INFO ] Parsed PT model containing 123 places and 239 transitions and 617 arcs in 169 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 123/123 places, 239/239 transitions.
Graph (trivial) has 190 edges and 123 vertex of which 8 / 123 are part of one of the 4 SCC in 3 ms
Free SCC test removed 4 places
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Performed 48 Post agglomeration using F-continuation condition.Transition count delta: 48
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 97 place count 71 transition count 179
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 98 place count 71 transition count 178
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 1 with 30 rules applied. Total rules applied 128 place count 56 transition count 187
Applied a total of 128 rules in 54 ms. Remains 56 /123 variables (removed 67) and now considering 187/239 (removed 52) transitions.
[2026-05-25 09:53:40] [INFO ] Flow matrix only has 154 transitions (discarded 33 similar events)
// Phase 1: matrix 154 rows 56 cols
[2026-05-25 09:53:40] [INFO ] Computed 14 invariants in 7 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:53:41] [INFO ] Implicit Places using invariants in 214 ms returned []
[2026-05-25 09:53:41] [INFO ] Flow matrix only has 154 transitions (discarded 33 similar events)
[2026-05-25 09:53:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 09:53:41] [INFO ] State equation strengthened by 36 read => feed constraints.
[2026-05-25 09:53:41] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 395 ms to find 0 implicit places.
Running 171 sub problems to find dead transitions.
[2026-05-25 09:53:41] [INFO ] Flow matrix only has 154 transitions (discarded 33 similar events)
[2026-05-25 09:53:41] [INFO ] Invariant cache hit.
[2026-05-25 09:53:41] [INFO ] State equation strengthened by 36 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (OVERLAPS) 1/56 variables, 8/63 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 6/70 constraints. Problems are: Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:53:42] [INFO ] Deduced a trap composed of 29 places in 55 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:53:42] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:53:42] [INFO ] Deduced a trap composed of 7 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:53:42] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:53:43] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 09:53:43] [INFO ] Deduced a trap composed of 6 places in 72 ms of which 15 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (OVERLAPS) 153/209 variables, 56/132 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/209 variables, 35/167 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/209 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 10 (OVERLAPS) 1/210 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/210 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 12 (OVERLAPS) 0/210 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 168 constraints, problems are : Problem set: 0 solved, 171 unsolved in 10480 ms.
Refiners :[Domain max(s): 56/56 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 56/56 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 171 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 0/55 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 2 (OVERLAPS) 1/56 variables, 8/63 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/56 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/56 variables, 6/70 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/56 variables, 6/76 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/56 variables, 0/76 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 7 (OVERLAPS) 153/209 variables, 56/132 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/209 variables, 35/167 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/209 variables, 171/338 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/209 variables, 0/338 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 11 (OVERLAPS) 1/210 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/210 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 171 unsolved
At refinement iteration 13 (OVERLAPS) 0/210 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 171 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 339 constraints, problems are : Problem set: 0 solved, 171 unsolved in 30020 ms.
Refiners :[Domain max(s): 56/56 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 6/6 constraints, State Equation: 56/56 constraints, ReadFeed: 36/36 constraints, PredecessorRefiner: 171/171 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40673ms problems are : Problem set: 0 solved, 171 unsolved
Search for dead transitions found 0 dead transitions in 40685ms
Starting structural reductions in LIVENESS mode, iteration 1 : 56/123 places, 187/239 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 41160 ms. Remains : 56/123 places, 187/239 transitions.
Discarding 140 transitions out of 187. Remains 47
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (5944 resets) in 1986 ms. (20 steps per ms) remains 5/46 properties
[2026-05-25 09:54:22] [INFO ] Flatten gal took : 86 ms
[2026-05-25 09:54:22] [INFO ] Flatten gal took : 22 ms
BEST_FIRST walk for 40003 steps (860 resets) in 110 ms. (360 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (850 resets) in 93 ms. (425 steps per ms) remains 4/5 properties
BEST_FIRST walk for 40003 steps (788 resets) in 51 ms. (769 steps per ms) remains 3/4 properties
[2026-05-25 09:54:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15077142005133918443.gal : 38 ms
[2026-05-25 09:54:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13804108854951860743.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/ReachabilityCardinality15077142005133918443.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13804108854951860743.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (825 resets) in 99 ms. (400 steps per ms) remains 3/3 properties
[2026-05-25 09:54:22] [INFO ] Flow matrix only has 154 transitions (discarded 33 similar events)
[2026-05-25 09:54:22] [INFO ] Invariant cache hit.
[2026-05-25 09:54:22] [INFO ] State equation strengthened by 36 read => feed constraints.

Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
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 ...330
Loading property file /tmp/ReachabilityCardinality13804108854951860743.prop.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 17
SDD proceeding with computation,3 properties remain. new max is 8
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD size :17 after 49
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :49 after 337
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :337 after 2353
At refinement iteration 2 (OVERLAPS) 38/42 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
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,6246,0.04772,5440,2,540,9,3437,9,0,389,1592,0
Total reachable state count : 6246

Verifying 3 reachability properties.
Reachability property qltransition_7 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_7,1,0.048294,5440,2,57,9,3437,9,0,391,1592,0
Reachability property qltransition_44 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_44,1,0.048487,5440,2,57,9,3437,9,0,392,1592,0
Reachability property qltransition_167 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
qltransition\_167,96,0.048665,5440,2,99,9,3437,9,0,394,1592,0
After SMT solving in domain Real declared 42/210 variables, and 50 constraints, problems are : Problem set: 3 solved, 0 unsolved in 88 ms.
Refiners :[Domain max(s): 42/56 constraints, Positive P Invariants (semi-flows): 8/8 constraints, Generalized P Invariants (flows): 0/6 constraints, State Equation: 0/56 constraints, ReadFeed: 0/36 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 96ms problems are : Problem set: 3 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Able to resolve query QuasiLiveness after proving 47 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS COLLATERAL_PROCESSING BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 42328 ms.

BK_STOP 1779702863136

--------------------
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="HealthRecord-PT-04"
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 HealthRecord-PT-04, 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 r160-tall-177961080100352"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-04.tgz
mv HealthRecord-PT-04 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 ;