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.r127-smll-177955743800017.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 DrinkVendingMachine-PT-10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800017
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 607M
-rw-r--r-- 1 mcc users 23K Mar 7 08:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 162K Mar 7 08:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 24M Mar 7 08:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 85M Mar 7 08:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 12K Mar 15 09:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Mar 15 09:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 13M Mar 15 09:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 33M Mar 15 09:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 71K Mar 7 09:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 437K Mar 7 09:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 77M Mar 7 09:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 265M Mar 7 09:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 9.1K Mar 15 09:41 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 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 111M 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 DrinkVendingMachine-PT-10-UpperBounds-00
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-01
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-02
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-03
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-04
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-05
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-06
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-07
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-08
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-09
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-10
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-11
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-12
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-13
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-14
FORMULA_NAME DrinkVendingMachine-PT-10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1780737014382

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DrinkVendingMachine-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-06-06 09:10:18] [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]
[2026-06-06 09:10:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-06 09:10:24] [INFO ] Load time of PNML (sax parser for PT used): 5434 ms
[2026-06-06 09:10:24] [INFO ] Transformed 120 places.
[2026-06-06 09:10:24] [INFO ] Transformed 111160 transitions.
[2026-06-06 09:10:25] [INFO ] Parsed PT model containing 120 places and 111160 transitions and 1026520 arcs in 6570 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 30 ms.
Reduction of identical properties reduced properties to check from 16 to 13
Ensure Unique test removed 82500 transitions
Reduce redundant transitions removed 82500 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 40, 0, 10, 10, 1, 0, 0, 1, 0, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 40, 0, 10, 10, 1, 0, 0, 1, 0, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 28660 rows 120 cols
[2026-06-06 09:10:27] [INFO ] Computed 60 invariants in 281 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 40, 0, 10, 10, 1, 0, 0, 1, 0, 1, 1, 1] Max Struct:[40, 40, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA DrinkVendingMachine-PT-10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-07 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-06 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-05 10 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-02 40 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-10-UpperBounds-01 40 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 1999 ms. (5 steps per ms)
FORMULA DrinkVendingMachine-PT-10-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-10-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-10-UpperBounds-03 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (0 resets) in 83 ms. (119 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[18] Max Struct:[40]
[2026-06-06 09:10:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-06-06 09:10:29] [INFO ] [Real]Absence check using 60 positive place invariants in 43 ms returned sat
[2026-06-06 09:10:34] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Error writing to Z3 solver: java.io.IOException: Stream closed...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:854)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2252)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Current structural bounds on expressions (after SMT) : Max Seen:[18] Max Struct:[40]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[18] Max Struct:[40]
Support contains 40 out of 120 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 120/120 places, 28660/28660 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Deduced a syphon composed of 20 places in 14 ms
Reduce places removed 40 places and 11000 transitions.
Iterating global reduction 0 with 60 rules applied. Total rules applied 60 place count 80 transition count 17640
Ensure Unique test removed 17560 transitions
Reduce isomorphic transitions removed 17560 transitions.
Iterating post reduction 0 with 17560 rules applied. Total rules applied 17620 place count 80 transition count 80
Applied a total of 17620 rules in 4628 ms. Remains 80 /120 variables (removed 40) and now considering 80/28660 (removed 28580) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4640 ms. Remains : 80/120 places, 80/28660 transitions.
// Phase 1: matrix 80 rows 80 cols
[2026-06-06 09:10:39] [INFO ] Computed 40 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[18] Max Struct:[40]
RANDOM walk for 1000000 steps (2 resets) in 5352 ms. (186 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 2071 ms. (482 steps per ms)
FORMULA DrinkVendingMachine-PT-10-UpperBounds-00 40 TECHNIQUES TOPOLOGICAL RANDOM_WALK
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 )
[2026-06-06 09:10:47] [INFO ] Flatten gal took : 290 ms
[2026-06-06 09:10:47] [INFO ] Flatten gal took : 18 ms
[2026-06-06 09:10:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2085713257882600083.gal : 14 ms
[2026-06-06 09:10:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11226041204348178366.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/ReachabilityCardinality2085713257882600083.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11226041204348178366.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 28942 ms.

BK_STOP 1780737047394

--------------------
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="DrinkVendingMachine-PT-10"
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 DrinkVendingMachine-PT-10, 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 r127-smll-177955743800017"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-PT-10.tgz
mv DrinkVendingMachine-PT-10 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 ;