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.r104-tall-177955698700352.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 itstools
Input is DLCround-PT-06b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r104-tall-177955698700352
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.3M
-rw-r--r-- 1 mcc users 6.7K Mar 6 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 70K Mar 6 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Mar 6 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Mar 6 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 09:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 6 16:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Mar 6 16:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 6 16:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 16:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:23 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 813K 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 1779609220015

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DLCround-PT-06b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-24 07:53:41] [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 07:53:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 07:53:41] [INFO ] Load time of PNML (sax parser for PT used): 170 ms
[2026-05-24 07:53:41] [INFO ] Transformed 2340 places.
[2026-05-24 07:53:41] [INFO ] Transformed 3456 transitions.
[2026-05-24 07:53:41] [INFO ] Found NUPN structural information;
[2026-05-24 07:53:41] [INFO ] Parsed PT model containing 2340 places and 3456 transitions and 9288 arcs in 315 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2340/2340 places, 3456/3456 transitions.
Graph (trivial) has 2214 edges and 2340 vertex of which 456 / 2340 are part of one of the 32 SCC in 13 ms
Free SCC test removed 424 places
Ensure Unique test removed 442 transitions
Reduce isomorphic transitions removed 442 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 875 transitions
Trivial Post-agglo rules discarded 875 transitions
Performed 875 trivial Post agglomeration. Transition count delta: 875
Iterating post reduction 0 with 875 rules applied. Total rules applied 876 place count 1916 transition count 2139
Reduce places removed 875 places and 0 transitions.
Ensure Unique test removed 33 transitions
Reduce isomorphic transitions removed 33 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 26 transitions
Trivial Post-agglo rules discarded 26 transitions
Performed 26 trivial Post agglomeration. Transition count delta: 26
Iterating post reduction 1 with 934 rules applied. Total rules applied 1810 place count 1041 transition count 2080
Reduce places removed 26 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 2 with 34 rules applied. Total rules applied 1844 place count 1015 transition count 2072
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 1848 place count 1011 transition count 2072
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 4 Pre rules applied. Total rules applied 1848 place count 1011 transition count 2068
Deduced a syphon composed of 4 places in 27 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 4 with 8 rules applied. Total rules applied 1856 place count 1007 transition count 2068
Performed 556 Post agglomeration using F-continuation condition.Transition count delta: 556
Deduced a syphon composed of 556 places in 1 ms
Reduce places removed 556 places and 0 transitions.
Iterating global reduction 4 with 1112 rules applied. Total rules applied 2968 place count 451 transition count 1512
Renaming transitions due to excessive name length > 1024 char.
Performed 15 Post agglomeration using F-continuation condition with reduction of 28 identical transitions.
Deduced a syphon composed of 15 places in 4 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 4 with 30 rules applied. Total rules applied 2998 place count 436 transition count 1628
Applied a total of 2998 rules in 273 ms. Remains 436 /2340 variables (removed 1904) and now considering 1628/3456 (removed 1828) transitions.
[2026-05-24 07:53:41] [INFO ] Flow matrix only has 1556 transitions (discarded 72 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13995519072686719566.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18154988508311300116.kers'
[2026-05-24 07:53:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13995519072686719566.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18154988508311300116.kers]
Normalized transition count is 1555 out of 1556 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 1555 rows 436 cols 6158 entries
Finished phase 1 with 327 SingleSign rule and 0 generalized
[2026-05-24 07:53:41] [INFO ] Computed 109 invariants in 5 ms
Computed 109 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-18154988508311300116.kers
Total runtime 7 ms.
[2026-05-24 07:53:42] [INFO ] Implicit Places using invariants in 566 ms returned []
[2026-05-24 07:53:42] [INFO ] Flow matrix only has 1556 transitions (discarded 72 similar events)
[2026-05-24 07:53:42] [INFO ] Invariant cache hit.
[2026-05-24 07:53:43] [INFO ] State equation strengthened by 141 read => feed constraints.
[2026-05-24 07:53:43] [INFO ] Implicit Places using invariants and state equation in 1050 ms returned []
Implicit Place search using SMT with State Equation took 1652 ms to find 0 implicit places.
Running 1620 sub problems to find dead transitions.
[2026-05-24 07:53:43] [INFO ] Flow matrix only has 1556 transitions (discarded 72 similar events)
[2026-05-24 07:53:43] [INFO ] Invariant cache hit.
[2026-05-24 07:53:43] [INFO ] State equation strengthened by 141 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/435 variables, 435/435 constraints. Problems are: Problem set: 0 solved, 1620 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 435/1992 variables, and 435 constraints, problems are : Problem set: 0 solved, 1620 unsolved in 30038 ms.
Refiners :[Domain max(s): 435/436 constraints, Positive P Invariants (semi-flows): 0/109 constraints, State Equation: 0/436 constraints, ReadFeed: 0/141 constraints, PredecessorRefiner: 1620/1620 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1620 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/435 variables, 435/435 constraints. Problems are: Problem set: 0 solved, 1620 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/435 variables, 0/435 constraints. Problems are: Problem set: 0 solved, 1620 unsolved
At refinement iteration 2 (OVERLAPS) 1/436 variables, 109/544 constraints. Problems are: Problem set: 0 solved, 1620 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/436 variables, 1/545 constraints. Problems are: Problem set: 0 solved, 1620 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 436/1992 variables, and 545 constraints, problems are : Problem set: 0 solved, 1620 unsolved in 30027 ms.
Refiners :[Domain max(s): 436/436 constraints, Positive P Invariants (semi-flows): 109/109 constraints, State Equation: 0/436 constraints, ReadFeed: 0/141 constraints, PredecessorRefiner: 0/1620 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60936ms problems are : Problem set: 0 solved, 1620 unsolved
Search for dead transitions found 0 dead transitions in 60967ms
Starting structural reductions in LIVENESS mode, iteration 1 : 436/2340 places, 1628/3456 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 62944 ms. Remains : 436/2340 places, 1628/3456 transitions.
Discarding 377 transitions out of 1628. Remains 1251
Initial state reduction rules removed 1 formulas.
[2026-05-24 07:54:45] [INFO ] Flatten gal took : 413 ms
RANDOM walk for 40000 steps (8 resets) in 3687 ms. (10 steps per ms) remains 0/1250 properties
[2026-05-24 07:54:45] [INFO ] Flatten gal took : 171 ms
[2026-05-24 07:54:45] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13496180814471926195.gal : 41 ms
[2026-05-24 07:54:45] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4210074659171002150.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13496180814471926195.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4210074659171002150.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_1.0.0.202604301425/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 1251 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 64588 ms.

BK_STOP 1779609285830

--------------------
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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /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="DLCround-PT-06b"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="itstools"
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 itstools"
echo " Input is DLCround-PT-06b, 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 r104-tall-177955698700352"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DLCround-PT-06b.tgz
mv DLCround-PT-06b 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 ;