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.r168-smll-177961110000012.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 HypercubeGrid-PT-C5K3P3B15, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r168-smll-177961110000012
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 15M
-rw-r--r-- 1 mcc users 8.4K Mar 7 15:35 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Mar 7 15:35 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Mar 7 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.0K Mar 15 10:57 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:57 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 10:57 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:57 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 7 15:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K Mar 7 15:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Mar 7 15:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 81K Mar 7 15:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Mar 15 10:57 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:57 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rwxr-xr-x 1 mcc users 14M 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 1779698933279

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=HypercubeGrid-PT-C5K3P3B15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-25 08:48:55] [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 08:48:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 08:48:56] [INFO ] Load time of PNML (sax parser for PT used): 1287 ms
[2026-05-25 08:48:56] [INFO ] Transformed 9153 places.
[2026-05-25 08:48:57] [INFO ] Transformed 25110 transitions.
[2026-05-25 08:48:57] [INFO ] Parsed PT model containing 9153 places and 25110 transitions and 100440 arcs in 1613 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 9153/9153 places, 25110/25110 transitions.
Applied a total of 0 rules in 343 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (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-2193643279314274366.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16289877707220179550.kers'
[2026-05-25 08:48:57] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2193643279314274366.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16289877707220179550.kers]
Culling duplicate invariants (modulo rational): removing 3240 columns.
Culled 3240 columns in 38 ms.
// Phase 1: matrix 25110 rows 5913 cols 74520 entries
Finished phase 1 with 5669 SingleSign rule and 0 generalized
[2026-05-25 08:48:58] [INFO ] Computed 3484 invariants in 740 ms
Computed 3484 P flows in 741 ms.
Exported basis to /tmp/petrispot-output-16289877707220179550.kers
Total runtime 777 ms.
[2026-05-25 08:49:19] [INFO ] Implicit Places using invariants in 21524 ms returned []
Implicit Place search using SMT only with invariants took 21634 ms to find 0 implicit places.
Running 22680 sub problems to find dead transitions.
[2026-05-25 08:49:19] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/4293 variables, 810/810 constraints. Problems are: Problem set: 0 solved, 22680 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 4293/34263 variables, and 810 constraints, problems are : Problem set: 0 solved, 22680 unsolved in 30853 ms.
Refiners :[Positive P Invariants (semi-flows): 810/3484 constraints, State Equation: 0/9153 constraints, PredecessorRefiner: 22680/22680 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 22680 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4293 variables, 810/810 constraints. Problems are: Problem set: 0 solved, 22680 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 4293/34263 variables, and 810 constraints, problems are : Problem set: 0 solved, 22680 unsolved in 30882 ms.
Refiners :[Positive P Invariants (semi-flows): 810/3484 constraints, State Equation: 0/9153 constraints, PredecessorRefiner: 0/22680 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 140219ms problems are : Problem set: 0 solved, 22680 unsolved
Search for dead transitions found 0 dead transitions in 140418ms
Finished structural reductions in LIVENESS mode , in 1 iterations and 162568 ms. Remains : 9153/9153 places, 25110/25110 transitions.
Discarding 19440 transitions out of 25110. Remains 5670
Initial state reduction rules removed 2430 formulas.
[2026-05-25 08:51:44] [INFO ] Flatten gal took : 3215 ms
[2026-05-25 08:51:46] [INFO ] Flatten gal took : 1507 ms
[2026-05-25 08:51:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15284746775534055472.gal : 471 ms
[2026-05-25 08:51:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3403315981638183900.prop : 43 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/ReachabilityCardinality15284746775534055472.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3403315981638183900.prop' '--nowitness' '--gen-order' 'FOLLOW'

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
Loading property file /tmp/ReachabilityCardinality3403315981638183900.prop.
RANDOM walk for 40000 steps (8 resets) in 83213 ms. (0 steps per ms) remains 34/3240 properties
BEST_FIRST walk for 4004 steps (0 resets) in 841 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 886 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 794 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 768 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 674 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 636 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 562 ms. (7 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 672 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 931 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1090 ms. (3 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 686 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 581 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 553 ms. (7 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 622 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 731 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 643 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 868 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 877 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 894 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 1016 ms. (3 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 663 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 571 ms. (7 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 900 ms. (4 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 591 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 708 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 697 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 637 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 591 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 655 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 606 ms. (6 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 714 ms. (5 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 517 ms. (7 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 483 ms. (8 steps per ms) remains 34/34 properties
BEST_FIRST walk for 4004 steps (0 resets) in 483 ms. (8 steps per ms) remains 34/34 properties
[2026-05-25 08:52:08] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 5670/5734 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 34 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5734/34263 variables, and 65 constraints, problems are : Problem set: 0 solved, 34 unsolved in 5233 ms.
Refiners :[Positive P Invariants (semi-flows): 65/3484 constraints, State Equation: 0/9153 constraints, PredecessorRefiner: 34/34 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 34 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/64 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 34 unsolved
At refinement iteration 1 (OVERLAPS) 5670/5734 variables, 65/65 constraints. Problems are: Problem set: 0 solved, 34 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5734/34263 variables, and 65 constraints, problems are : Problem set: 0 solved, 34 unsolved in 5106 ms.
Refiners :[Positive P Invariants (semi-flows): 65/3484 constraints, State Equation: 0/9153 constraints, PredecessorRefiner: 0/34 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10754ms problems are : Problem set: 0 solved, 34 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 64 out of 9153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9153/9153 places, 25110/25110 transitions.
Applied a total of 0 rules in 3073 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3075 ms. Remains : 9153/9153 places, 25110/25110 transitions.
RANDOM walk for 71523 steps (0 resets) in 100762 ms. (0 steps per ms) remains 0/34 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 5670 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 236838 ms.

BK_STOP 1779699172349

--------------------
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="HypercubeGrid-PT-C5K3P3B15"
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 HypercubeGrid-PT-C5K3P3B15, 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 r168-smll-177961110000012"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypercubeGrid-PT-C5K3P3B15.tgz
mv HypercubeGrid-PT-C5K3P3B15 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 ;