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.r152-tall-177961077500437.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 HexagonalGrid-PT-316, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r152-tall-177961077500437
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 732K
-rw-r--r-- 1 mcc users 6.7K Mar 7 13:31 CTLCardinality.txt
-rw-r--r-- 1 mcc users 63K Mar 7 13:31 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 13:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Mar 7 13:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.1K Mar 15 10:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 10:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 13:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K Mar 7 13:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 13:31 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 7 13:31 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:47 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
-rwxr-xr-x 1 mcc users 294K 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 1779701464126

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HexagonalGrid-PT-316
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 09:31:05] [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]
[2026-05-25 09:31:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 09:31:05] [INFO ] Load time of PNML (sax parser for PT used): 98 ms
[2026-05-25 09:31:05] [INFO ] Transformed 421 places.
[2026-05-25 09:31:05] [INFO ] Transformed 714 transitions.
[2026-05-25 09:31:05] [INFO ] Parsed PT model containing 421 places and 714 transitions and 2856 arcs in 200 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 421/421 places, 714/714 transitions.
Applied a total of 0 rules in 26 ms. Remains 421 /421 variables (removed 0) and now considering 714/714 (removed 0) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-9827094634856080753.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2243831250454345431.kers'
[2026-05-25 09:31:05] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-9827094634856080753.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2243831250454345431.kers]
Culling duplicate invariants (modulo rational): removing 144 columns.
Culled 144 columns in 1 ms.
// Phase 1: matrix 714 rows 277 cols 2112 entries
Finished phase 1 with 257 SingleSign rule and 0 generalized
[2026-05-25 09:31:05] [INFO ] Computed 164 invariants in 5 ms
Computed 164 P flows in 6 ms.
Exported basis to /tmp/petrispot-output-2243831250454345431.kers
Total runtime 7 ms.
[2026-05-25 09:31:06] [INFO ] Implicit Places using invariants in 553 ms returned []
[2026-05-25 09:31:06] [INFO ] Invariant cache hit.
[2026-05-25 09:31:06] [INFO ] Implicit Places using invariants and state equation in 532 ms returned []
Implicit Place search using SMT with State Equation took 1120 ms to find 0 implicit places.
Running 600 sub problems to find dead transitions.
[2026-05-25 09:31:06] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/193 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/193 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 228/421 variables, 134/164 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/421 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 4 (OVERLAPS) 714/1135 variables, 421/585 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Stream closed")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1135/1135 variables, and 585 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 164/164 constraints, State Equation: 421/421 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 600 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/193 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/193 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 2 (OVERLAPS) 228/421 variables, 134/164 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/421 variables, 0/164 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 4 (OVERLAPS) 714/1135 variables, 421/585 constraints. Problems are: Problem set: 0 solved, 600 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1135 variables, 600/1185 constraints. Problems are: Problem set: 0 solved, 600 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1135/1135 variables, and 1185 constraints, problems are : Problem set: 0 solved, 600 unsolved in 30043 ms.
Refiners :[Positive P Invariants (semi-flows): 164/164 constraints, State Equation: 421/421 constraints, PredecessorRefiner: 600/600 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60400ms problems are : Problem set: 0 solved, 600 unsolved
Search for dead transitions found 0 dead transitions in 60419ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 61611 ms. Remains : 421/421 places, 714/714 transitions.
Discarding 456 transitions out of 714. Remains 258
Initial state reduction rules removed 114 formulas.
RANDOM walk for 3050 steps (0 resets) in 476 ms. (6 steps per ms) remains 0/144 properties
[2026-05-25 09:32:07] [INFO ] Flatten gal took : 103 ms
[2026-05-25 09:32:07] [INFO ] Flatten gal took : 49 ms
[2026-05-25 09:32:07] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5743764079165437527.gal : 26 ms
[2026-05-25 09:32:07] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13948776746972337838.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/ReachabilityCardinality5743764079165437527.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13948776746972337838.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 258 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 62343 ms.

BK_STOP 1779701527690

--------------------
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="HexagonalGrid-PT-316"
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 HexagonalGrid-PT-316, 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 r152-tall-177961077500437"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HexagonalGrid-PT-316.tgz
mv HexagonalGrid-PT-316 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 ;