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-177955743900079.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-02, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-177955743900079
=====================================================================

--------------------
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 booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1779569840181

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DrinkVendingMachine-PT-02
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2026-05-23 20:57:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 20:57:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 20:57:23] [INFO ] Load time of PNML (sax parser for PT used): 121 ms
[2026-05-23 20:57:23] [INFO ] Transformed 24 places.
[2026-05-23 20:57:23] [INFO ] Transformed 72 transitions.
[2026-05-23 20:57:23] [INFO ] Parsed PT model containing 24 places and 72 transitions and 440 arcs in 335 ms.
Discarding 20 transitions out of 72. Remains 52
Ensure Unique test removed 20 transitions
Reduce redundant transitions removed 20 transitions.
Built sparse matrix representations for Structural reductions in 10 ms.15342KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 24/24 places, 52/52 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 30 ms. Remains 24 /24 variables (removed 0) and now considering 52/52 (removed 0) transitions.
Running 36 sub problems to find dead transitions.
// Phase 1: matrix 52 rows 24 cols
[2026-05-23 20:57:23] [INFO ] Computed 12 invariants in 8 ms
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD31 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 8/8 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/8 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 2 (OVERLAPS) 4/24 variables, 4/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 4 (OVERLAPS) 52/76 variables, 24/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/76 variables, 0/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 36 constraints, problems are : Problem set: 24 solved, 12 unsolved in 1010 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 24 solved, 12 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/12 variables, 0/0 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 12/24 variables, 12/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/12 constraints. Problems are: Problem set: 24 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 52/76 variables, 24/36 constraints. Problems are: Problem set: 24 solved, 12 unsolved
Problem TDEAD45 is UNSAT
Problem TDEAD48 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 12/48 constraints. Problems are: Problem set: 26 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 0/48 constraints. Problems are: Problem set: 26 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 0/76 variables, 0/48 constraints. Problems are: Problem set: 26 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 48 constraints, problems are : Problem set: 26 solved, 10 unsolved in 1607 ms.
Refiners :[Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 24/24 constraints, PredecessorRefiner: 12/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2807ms problems are : Problem set: 26 solved, 10 unsolved
Search for dead transitions found 26 dead transitions in 2835ms
Found 26 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 26 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 26 transitions.
Starting structural reductions in DEADLOCK mode, iteration 1 : 24/24 places, 26/52 transitions.
Computed a total of 4 stabilizing places and 0 stable transitions
Graph (complete) has 70 edges and 24 vertex of which 20 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.2 ms
Discarding 4 places :
Also discarding 0 output transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 1 rules in 10 ms. Remains 20 /24 variables (removed 4) and now considering 26/26 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 2981 ms. Remains : 20/24 places, 26/52 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2656 ms (no deadlock found). (steps per millisecond=470 )
Random directed walk for 1250000 steps, including 0 resets, run took 1779 ms (no deadlock found). (steps per millisecond=702 )
// Phase 1: matrix 26 rows 20 cols
[2026-05-23 20:57:30] [INFO ] Computed 10 invariants in 9 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-23 20:57:30] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 24/24 places, 72/72 transitions.
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 24 transition count 52
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 8040 ms.

BK_STOP 1779569850912

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -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 Liveness -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="DrinkVendingMachine-PT-02"
export BK_EXAMINATION="Liveness"
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 DrinkVendingMachine-PT-02, examination is Liveness"
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-177955743900079"
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 [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;