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.r368-tall-178024404800102.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 SupplyChain-PT-00002, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r368-tall-178024404800102
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.7K May 27 07:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 27 07:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 27 07:38 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 27 07:38 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 27 10:56 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 27 10:56 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 27 10:56 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 27 10:56 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 9.2K May 27 07:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 97K May 27 07:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 27 07:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K May 27 07:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 27 10:56 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 27 10:56 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 6 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 9.1K May 26 18:17 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 1780307408324

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SupplyChain-PT-00002
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-06-01 09:50:09] [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]
[2026-06-01 09:50:09] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-01 09:50:09] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2026-06-01 09:50:09] [INFO ] Transformed 30 places.
[2026-06-01 09:50:09] [INFO ] Transformed 19 transitions.
[2026-06-01 09:50:09] [INFO ] Parsed PT model containing 30 places and 19 transitions and 78 arcs in 115 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 30/30 places, 19/19 transitions.
Ensure Unique test removed 8 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 22 transition count 17
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 15 place count 19 transition count 15
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 15 place count 19 transition count 11
Deduced a syphon composed of 4 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 10 rules applied. Total rules applied 25 place count 13 transition count 11
Applied a total of 25 rules in 27 ms. Remains 13 /30 variables (removed 17) and now considering 11/19 (removed 8) transitions.
Running 9 sub problems to find dead transitions.
// Phase 1: matrix 11 rows 13 cols
[2026-06-01 09:50:09] [INFO ] Computed 5 invariants in 3 ms
[2026-06-01 09:50:09] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2/13 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 10/23 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (OVERLAPS) 1/24 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (OVERLAPS) 0/24 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Real declared 24/24 variables, and 19 constraints, problems are : Problem set: 0 solved, 9 unsolved in 315 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 9 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/11 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 2 (OVERLAPS) 2/13 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/13 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 4 (OVERLAPS) 10/23 variables, 13/18 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/23 variables, 9/27 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/23 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 7 (OVERLAPS) 1/24 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/24 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
At refinement iteration 9 (OVERLAPS) 0/24 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 9 unsolved
No progress, stopping.
After SMT solving in domain Int declared 24/24 variables, and 28 constraints, problems are : Problem set: 0 solved, 9 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 13/13 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/9 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 525ms problems are : Problem set: 0 solved, 9 unsolved
Search for dead transitions found 0 dead transitions in 537ms
[2026-06-01 09:50:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:10] [INFO ] Implicit Places using invariants in 38 ms returned [5, 6, 7]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 46 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 10/30 places, 11/19 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 10 transition count 9
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 6 rules applied. Total rules applied 8 place count 8 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 10 place count 6 transition count 5
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 2 Pre rules applied. Total rules applied 10 place count 6 transition count 3
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 5 rules applied. Total rules applied 15 place count 3 transition count 3
Applied a total of 15 rules in 2 ms. Remains 3 /10 variables (removed 7) and now considering 3/11 (removed 8) transitions.
// Phase 1: matrix 3 rows 3 cols
[2026-06-01 09:50:10] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:10] [INFO ] Implicit Places using invariants in 16 ms returned []
[2026-06-01 09:50:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-06-01 09:50:10] [INFO ] State equation strengthened by 1 read => feed constraints.
[2026-06-01 09:50:10] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 3/30 places, 3/19 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 705 ms. Remains : 3/30 places, 3/19 transitions.
Initial state reduction rules removed 1 formulas.
RANDOM walk for 8 steps (0 resets) in 6 ms. (1 steps per ms) remains 0/2 properties
[2026-06-01 09:50:10] [INFO ] Flatten gal took : 96 ms
[2026-06-01 09:50:10] [INFO ] Flatten gal took : 1 ms
[2026-06-01 09:50:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8740352722715315566.gal : 3 ms
[2026-06-01 09:50:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8360913030821696514.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/ReachabilityCardinality8740352722715315566.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8360913030821696514.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 ...328
Loading property file /tmp/ReachabilityCardinality8360913030821696514.prop.
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,3,0.011179,3724,2,6,5,21,6,0,14,11,0
Total reachable state count : 3

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 3 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 1060 ms.

BK_STOP 1780307410787

--------------------
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="SupplyChain-PT-00002"
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 SupplyChain-PT-00002, 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 r368-tall-178024404800102"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SupplyChain-PT-00002.tgz
mv SupplyChain-PT-00002 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 ;