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.r056-smll-177946902900082.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 itstools
Input is Champagne-PT-H09T1U, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r056-smll-177946902900082
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 932K
-rw-r--r-- 1 mcc users 8.2K Mar 6 10:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 90K Mar 6 10:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Mar 6 10:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 6 10:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:01 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 08:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 08:01 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 08:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 10:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 133K Mar 6 10:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 10:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 77K Mar 6 10:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:01 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 08:01 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 440K 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 1779473540859

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Champagne-PT-H09T1U
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-22 18:12:23] [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]
[2026-05-22 18:12:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:12:23] [INFO ] Load time of PNML (sax parser for PT used): 364 ms
[2026-05-22 18:12:24] [INFO ] Transformed 1273 places.
[2026-05-22 18:12:24] [INFO ] Transformed 1915 transitions.
[2026-05-22 18:12:24] [INFO ] Found NUPN structural information;
[2026-05-22 18:12:24] [INFO ] Parsed PT model containing 1273 places and 1915 transitions and 5106 arcs in 628 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1273/1273 places, 1915/1915 transitions.
Graph (trivial) has 1300 edges and 1273 vertex of which 429 / 1273 are part of one of the 49 SCC in 26 ms
Free SCC test removed 380 places
Ensure Unique test removed 408 transitions
Reduce isomorphic transitions removed 408 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 407 transitions
Trivial Post-agglo rules discarded 407 transitions
Performed 407 trivial Post agglomeration. Transition count delta: 407
Iterating post reduction 0 with 407 rules applied. Total rules applied 408 place count 893 transition count 1100
Reduce places removed 407 places and 0 transitions.
Ensure Unique test removed 47 transitions
Reduce isomorphic transitions removed 47 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 47 transitions
Trivial Post-agglo rules discarded 47 transitions
Performed 47 trivial Post agglomeration. Transition count delta: 47
Iterating post reduction 1 with 501 rules applied. Total rules applied 909 place count 486 transition count 1006
Reduce places removed 47 places and 0 transitions.
Iterating post reduction 2 with 47 rules applied. Total rules applied 956 place count 439 transition count 1006
Performed 266 Post agglomeration using F-continuation condition.Transition count delta: 266
Deduced a syphon composed of 266 places in 18 ms
Reduce places removed 266 places and 0 transitions.
Iterating global reduction 3 with 532 rules applied. Total rules applied 1488 place count 173 transition count 740
Applied a total of 1488 rules in 305 ms. Remains 173 /1273 variables (removed 1100) and now considering 740/1915 (removed 1175) transitions.
[2026-05-22 18:12:24] [INFO ] Flow matrix only has 200 transitions (discarded 540 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12023445422729333035.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10568374693532233263.kers'
[2026-05-22 18:12:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12023445422729333035.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10568374693532233263.kers]
Normalized transition count is 199 out of 200 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 199 rows 173 cols 542 entries
Finished phase 1 with 124 SingleSign rule and 0 generalized
[2026-05-22 18:12:24] [INFO ] Computed 49 invariants in 1 ms
Computed 49 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-10568374693532233263.kers
Total runtime 4 ms.
[2026-05-22 18:12:25] [INFO ] Implicit Places using invariants in 914 ms returned []
[2026-05-22 18:12:25] [INFO ] Flow matrix only has 200 transitions (discarded 540 similar events)
[2026-05-22 18:12:25] [INFO ] Invariant cache hit.
[2026-05-22 18:12:25] [INFO ] State equation strengthened by 75 read => feed constraints.
[2026-05-22 18:12:26] [INFO ] Implicit Places using invariants and state equation in 988 ms returned []
Implicit Place search using SMT with State Equation took 1982 ms to find 0 implicit places.
Running 739 sub problems to find dead transitions.
[2026-05-22 18:12:26] [INFO ] Flow matrix only has 200 transitions (discarded 540 similar events)
[2026-05-22 18:12:26] [INFO ] Invariant cache hit.
[2026-05-22 18:12:26] [INFO ] State equation strengthened by 75 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 172/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/172 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 2 (OVERLAPS) 1/173 variables, 49/221 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/173 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 5 (OVERLAPS) 199/372 variables, 173/395 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 74/469 constraints. Problems are: Problem set: 0 solved, 739 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 372/373 variables, and 469 constraints, problems are : Problem set: 0 solved, 739 unsolved in 30086 ms.
Refiners :[Domain max(s): 173/173 constraints, Positive P Invariants (semi-flows): 49/49 constraints, State Equation: 173/173 constraints, ReadFeed: 74/75 constraints, PredecessorRefiner: 739/739 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 739 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/172 variables, 172/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/172 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 2 (OVERLAPS) 1/173 variables, 49/221 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/173 variables, 1/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 0/222 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 5 (OVERLAPS) 199/372 variables, 173/395 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/372 variables, 74/469 constraints. Problems are: Problem set: 0 solved, 739 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/372 variables, 739/1208 constraints. Problems are: Problem set: 0 solved, 739 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 372/373 variables, and 1208 constraints, problems are : Problem set: 0 solved, 739 unsolved in 30053 ms.
Refiners :[Domain max(s): 173/173 constraints, Positive P Invariants (semi-flows): 49/49 constraints, State Equation: 173/173 constraints, ReadFeed: 74/75 constraints, PredecessorRefiner: 739/739 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60711ms problems are : Problem set: 0 solved, 739 unsolved
Search for dead transitions found 0 dead transitions in 60764ms
Starting structural reductions in LIVENESS mode, iteration 1 : 173/1273 places, 740/1915 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 63147 ms. Remains : 173/1273 places, 740/1915 transitions.
Discarding 170 transitions out of 740. Remains 570
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (369 resets) in 3319 ms. (12 steps per ms) remains 1/569 properties
[2026-05-22 18:13:28] [INFO ] Flatten gal took : 262 ms
BEST_FIRST walk for 15822 steps (1 resets) in 312 ms. (50 steps per ms) remains 0/1 properties
[2026-05-22 18:13:28] [INFO ] Flatten gal took : 100 ms
[2026-05-22 18:13:28] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality531272647897941820.gal : 33 ms
[2026-05-22 18:13:28] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6840579307664125325.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality531272647897941820.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6840579307664125325.prop' '--nowitness' '--gen-order' 'FOLLOW'
ITS runner timed out or was interrupted.

ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 570 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 65222 ms.

BK_STOP 1779473608687

--------------------
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="Champagne-PT-H09T1U"
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 Champagne-PT-H09T1U, 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 r056-smll-177946902900082"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Champagne-PT-H09T1U.tgz
mv Champagne-PT-H09T1U 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 ;