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-177955743800016.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 DrinkVendingMachine-PT-02, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-177955743800016
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 712K
-rw-r--r-- 1 mcc users 11K Mar 7 07:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 7 07:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 18K Mar 7 07:32 CTLFireability.txt
-rw-r--r-- 1 mcc users 91K Mar 7 07:32 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.8K Mar 15 09:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K Mar 15 09:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 15 09:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 33K Mar 15 09:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 7 07:32 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 94K Mar 7 07:32 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 37K Mar 7 07:32 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 177K Mar 7 07:32 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.1K Mar 15 09:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K 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 51K 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-02-UpperBounds-00
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-01
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-02
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-03
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-04
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-05
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-06
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-07
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-08
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-09
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-10
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-11
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-12
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-13
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-14
FORMULA_NAME DrinkVendingMachine-PT-02-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779568082159

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DrinkVendingMachine-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-23 20:28:04] [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]
[2026-05-23 20:28:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 20:28:04] [INFO ] Load time of PNML (sax parser for PT used): 81 ms
[2026-05-23 20:28:04] [INFO ] Transformed 24 places.
[2026-05-23 20:28:04] [INFO ] Transformed 72 transitions.
[2026-05-23 20:28:04] [INFO ] Parsed PT model containing 24 places and 72 transitions and 440 arcs in 229 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 11 ms.
Reduction of identical properties reduced properties to check from 16 to 11
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 2, 0, 0, 8, 1, 0, 0, 1, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 2, 0, 0, 8, 1, 0, 0, 1, 1, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 52 rows 24 cols
[2026-05-23 20:28:04] [INFO ] Computed 12 invariants in 11 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 2, 0, 0, 8, 1, 0, 0, 1, 1, 0] Max Struct:[2, 2, 2, 8, 8, 1, 1, 1, 1, 1, 1]
FORMULA DrinkVendingMachine-PT-02-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-05 8 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-07 2 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-01 2 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (2 resets) in 66 ms. (149 steps per ms)
FORMULA DrinkVendingMachine-PT-02-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-02-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-02-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-02-UpperBounds-03 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-02-UpperBounds-02 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DrinkVendingMachine-PT-02-UpperBounds-00 2 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10001 steps (2 resets) in 28 ms. (344 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[8]
[2026-05-23 20:28:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:28:04] [INFO ] [Real]Absence check using 12 positive place invariants in 20 ms returned sat
[2026-05-23 20:28:05] [INFO ] [Real]Absence check using state equation in 89 ms returned sat
[2026-05-23 20:28:05] [INFO ] Computed and/alt/rep : 32/64/32 causal constraints (skipped 4 transitions) in 18 ms.
[2026-05-23 20:28:05] [INFO ] Added : 3 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 21 ms.
[2026-05-23 20:28:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-23 20:28:05] [INFO ] [Nat]Absence check using 12 positive place invariants in 7 ms returned sat
[2026-05-23 20:28:05] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2026-05-23 20:28:05] [INFO ] Computed and/alt/rep : 32/64/32 causal constraints (skipped 4 transitions) in 19 ms.
[2026-05-23 20:28:05] [INFO ] Added : 3 causal constraints over 1 iterations in 54 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[8]
Support contains 8 out of 24 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 24/24 places, 52/52 transitions.
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 8 places and 24 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 16 transition count 24
Reduce places removed 2 places and 2 transitions.
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 12 rules applied. Total rules applied 24 place count 14 transition count 12
Deduced a syphon composed of 2 places in 1 ms
Applied a total of 24 rules in 59 ms. Remains 14 /24 variables (removed 10) and now considering 12/52 (removed 40) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 74 ms. Remains : 14/24 places, 12/52 transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
// Phase 1: matrix 12 rows 12 cols
[2026-05-23 20:28:05] [INFO ] Computed 6 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[6]
FORMULA DrinkVendingMachine-PT-02-UpperBounds-06 6 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DrinkVendingMachine-PT-02-UpperBounds-04 6 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 1090 ms. (916 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
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 )
[2026-05-23 20:28:06] [INFO ] Flatten gal took : 189 ms
[2026-05-23 20:28:06] [INFO ] Flatten gal took : 4 ms
[2026-05-23 20:28:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7062256169398286815.gal : 6 ms
[2026-05-23 20:28:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14567453934673411661.prop : 0 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/ReachabilityCardinality7062256169398286815.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14567453934673411661.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

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
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 2901 ms.

BK_STOP 1779568087105

--------------------
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-02"
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-02, 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-177955743800016"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DrinkVendingMachine-PT-02.tgz
mv DrinkVendingMachine-PT-02 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 ;