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.r112-tall-177955701200432.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 DLCshifumi-PT-2b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r112-tall-177955701200432
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 6.5K Mar 6 18:09 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 6 18:09 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 6 18:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 6 18:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:28 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:29 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:29 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 18:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 74K Mar 6 18:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.7K Mar 6 18:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 6 18:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:29 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 729K 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 1779629994747

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCshifumi-PT-2b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202505121319
[2026-05-24 13:39:56] [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]
[2026-05-24 13:39:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 13:39:56] [INFO ] Load time of PNML (sax parser for PT used): 166 ms
[2026-05-24 13:39:56] [INFO ] Transformed 2483 places.
[2026-05-24 13:39:56] [INFO ] Transformed 3183 transitions.
[2026-05-24 13:39:56] [INFO ] Found NUPN structural information;
[2026-05-24 13:39:56] [INFO ] Parsed PT model containing 2483 places and 3183 transitions and 7756 arcs in 371 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2483/2483 places, 3183/3183 transitions.
Graph (trivial) has 2449 edges and 2483 vertex of which 352 / 2483 are part of one of the 23 SCC in 12 ms
Free SCC test removed 329 places
Ensure Unique test removed 348 transitions
Reduce isomorphic transitions removed 348 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1259 transitions
Trivial Post-agglo rules discarded 1259 transitions
Performed 1259 trivial Post agglomeration. Transition count delta: 1259
Iterating post reduction 0 with 1259 rules applied. Total rules applied 1260 place count 2154 transition count 1576
Reduce places removed 1259 places and 0 transitions.
Ensure Unique test removed 51 transitions
Reduce isomorphic transitions removed 51 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 49 transitions
Trivial Post-agglo rules discarded 49 transitions
Performed 49 trivial Post agglomeration. Transition count delta: 49
Iterating post reduction 1 with 1359 rules applied. Total rules applied 2619 place count 895 transition count 1476
Reduce places removed 49 places and 0 transitions.
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 15 transitions
Trivial Post-agglo rules discarded 15 transitions
Performed 15 trivial Post agglomeration. Transition count delta: 15
Iterating post reduction 2 with 79 rules applied. Total rules applied 2698 place count 846 transition count 1446
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 3 with 15 rules applied. Total rules applied 2713 place count 831 transition count 1446
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 15 Pre rules applied. Total rules applied 2713 place count 831 transition count 1431
Deduced a syphon composed of 15 places in 17 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 2743 place count 816 transition count 1431
Performed 432 Post agglomeration using F-continuation condition.Transition count delta: 432
Deduced a syphon composed of 432 places in 0 ms
Reduce places removed 432 places and 0 transitions.
Iterating global reduction 4 with 864 rules applied. Total rules applied 3607 place count 384 transition count 999
Renaming transitions due to excessive name length > 1024 char.
Performed 48 Post agglomeration using F-continuation condition with reduction of 30 identical transitions.
Deduced a syphon composed of 48 places in 1 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 4 with 96 rules applied. Total rules applied 3703 place count 336 transition count 1057
Applied a total of 3703 rules in 254 ms. Remains 336 /2483 variables (removed 2147) and now considering 1057/3183 (removed 2126) transitions.
[2026-05-24 13:39:56] [INFO ] Flow matrix only has 992 transitions (discarded 65 similar events)
// Phase 1: matrix 992 rows 336 cols
[2026-05-24 13:39:56] [INFO ] Computed 79 invariants in 18 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:39:57] [INFO ] Implicit Places using invariants in 502 ms returned []
[2026-05-24 13:39:57] [INFO ] Flow matrix only has 992 transitions (discarded 65 similar events)
[2026-05-24 13:39:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-24 13:39:57] [INFO ] State equation strengthened by 107 read => feed constraints.
[2026-05-24 13:39:58] [INFO ] Implicit Places using invariants and state equation in 637 ms returned []
Implicit Place search using SMT with State Equation took 1220 ms to find 0 implicit places.
Running 1049 sub problems to find dead transitions.
[2026-05-24 13:39:58] [INFO ] Flow matrix only has 992 transitions (discarded 65 similar events)
[2026-05-24 13:39:58] [INFO ] Invariant cache hit.
[2026-05-24 13:39:58] [INFO ] State equation strengthened by 107 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 335/335 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 2 (OVERLAPS) 1/336 variables, 79/414 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/336 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 336/1328 variables, and 415 constraints, problems are : Problem set: 0 solved, 1049 unsolved in 30034 ms.
Refiners :[Domain max(s): 336/336 constraints, Positive P Invariants (semi-flows): 79/79 constraints, State Equation: 0/336 constraints, ReadFeed: 0/107 constraints, PredecessorRefiner: 1049/1049 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1049 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/335 variables, 335/335 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/335 variables, 0/335 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 2 (OVERLAPS) 1/336 variables, 79/414 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/336 variables, 1/415 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/336 variables, 0/415 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 5 (OVERLAPS) 991/1327 variables, 336/751 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1327 variables, 106/857 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1327 variables, 1049/1906 constraints. Problems are: Problem set: 0 solved, 1049 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1327/1328 variables, and 1906 constraints, problems are : Problem set: 0 solved, 1049 unsolved in 30029 ms.
Refiners :[Domain max(s): 336/336 constraints, Positive P Invariants (semi-flows): 79/79 constraints, State Equation: 336/336 constraints, ReadFeed: 106/107 constraints, PredecessorRefiner: 1049/1049 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60646ms problems are : Problem set: 0 solved, 1049 unsolved
Search for dead transitions found 0 dead transitions in 60667ms
Starting structural reductions in LIVENESS mode, iteration 1 : 336/2483 places, 1057/3183 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 62172 ms. Remains : 336/2483 places, 1057/3183 transitions.
Discarding 335 transitions out of 1057. Remains 722
Initial state reduction rules removed 1 formulas.
RANDOM walk for 34922 steps (8 resets) in 5018 ms. (6 steps per ms) remains 0/721 properties
[2026-05-24 13:41:00] [INFO ] Flatten gal took : 221 ms
[2026-05-24 13:41:00] [INFO ] Flatten gal took : 78 ms
[2026-05-24 13:41:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7334093244875339757.gal : 32 ms
[2026-05-24 13:41:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13881437001396380104.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/ReachabilityCardinality7334093244875339757.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13881437001396380104.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.
Able to resolve query QuasiLiveness after proving 722 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 64405 ms.

BK_STOP 1779630060569

--------------------
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="DLCshifumi-PT-2b"
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 DLCshifumi-PT-2b, 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 r112-tall-177955701200432"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCshifumi-PT-2b.tgz
mv DLCshifumi-PT-2b 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 ;