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.r120-smll-177955742400102.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 Echo-PT-d02r19, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r120-smll-177955742400102
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 6.7K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 7 05:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 7 05:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 05:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 114K Mar 7 05:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Mar 7 05:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K Mar 7 05:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:44 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 1.5M 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 1779570674998

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Echo-PT-d02r19
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
QuasiLiveness PT
Running Version 202604301425
[2026-05-23 21:11:17] [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]
[2026-05-23 21:11:17] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:11:18] [INFO ] Load time of PNML (sax parser for PT used): 705 ms
[2026-05-23 21:11:18] [INFO ] Transformed 3455 places.
[2026-05-23 21:11:18] [INFO ] Transformed 2730 transitions.
[2026-05-23 21:11:18] [INFO ] Found NUPN structural information;
[2026-05-23 21:11:18] [INFO ] Parsed PT model containing 3455 places and 2730 transitions and 15940 arcs in 1001 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3455/3455 places, 2730/2730 transitions.
Reduce places removed 361 places and 0 transitions.
Iterating post reduction 0 with 361 rules applied. Total rules applied 361 place count 3094 transition count 2730
Applied a total of 361 rules in 217 ms. Remains 3094 /3455 variables (removed 361) and now considering 2730/2730 (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-5799110080790376304.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8717213490296443854.kers'
[2026-05-23 21:11:18] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5799110080790376304.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8717213490296443854.kers]
Culled 0 columns in 4 ms.
// Phase 1: matrix 2730 rows 3094 cols 14575 entries
Finished phase 1 with 1243 SingleSign rule and 483 generalized
[2026-05-23 21:11:33] [INFO ] Computed 1368 invariants in 14812 ms
Computed 1368 P flows in 14814 ms.
Exported basis to /tmp/petrispot-output-8717213490296443854.kers
Total runtime 14847 ms.
[2026-05-23 21:12:28] [INFO ] Performed 369/3094 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2026-05-23 21:12:58] [INFO ] Performed 1202/3094 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2026-05-23 21:13:28] [INFO ] Performed 2382/3094 implicitness test of which 0 returned IMPLICIT in 92 seconds.
[2026-05-23 21:13:45] [INFO ] Implicit Places using invariants in 146401 ms returned []
[2026-05-23 21:13:45] [INFO ] Invariant cache hit.
[2026-05-23 21:14:47] [INFO ] Performed 780/3094 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2026-05-23 21:15:12] [INFO ] Implicit Places using invariants and state equation in 86906 ms returned []
Implicit Place search using SMT with State Equation took 233372 ms to find 0 implicit places.
Running 2729 sub problems to find dead transitions.
[2026-05-23 21:15:12] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/3093 variables, 3093/3093 constraints. Problems are: Problem set: 0 solved, 2729 unsolved
SMT process timed out in 32780ms, After SMT, problems are : Problem set: 0 solved, 2729 unsolved
Search for dead transitions found 0 dead transitions in 32871ms
Starting structural reductions in LIVENESS mode, iteration 1 : 3094/3455 places, 2730/2730 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 266586 ms. Remains : 3094/3455 places, 2730/2730 transitions.
Initial state reduction rules removed 1 formulas.
[2026-05-23 21:15:47] [INFO ] Flatten gal took : 862 ms
[2026-05-23 21:15:47] [INFO ] Flatten gal took : 406 ms
[2026-05-23 21:15:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality306050342553439911.gal : 140 ms
[2026-05-23 21:15:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3410298334783321469.prop : 59 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/ReachabilityCardinality306050342553439911.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3410298334783321469.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 ...327
RANDOM walk for 40000 steps (52 resets) in 11685 ms. (3 steps per ms) remains 25/2729 properties
BEST_FIRST walk for 4004 steps (8 resets) in 90 ms. (44 steps per ms) remains 25/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 82 ms. (48 steps per ms) remains 25/25 properties
Loading property file /tmp/ReachabilityCardinality3410298334783321469.prop.
BEST_FIRST walk for 4004 steps (8 resets) in 89 ms. (44 steps per ms) remains 24/25 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4003 steps (8 resets) in 68 ms. (58 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4004 steps (8 resets) in 79 ms. (50 steps per ms) remains 22/23 properties
BEST_FIRST walk for 4003 steps (8 resets) in 68 ms. (58 steps per ms) remains 21/22 properties
BEST_FIRST walk for 4004 steps (8 resets) in 185 ms. (21 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 98 ms. (40 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 78 ms. (50 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 84 ms. (47 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 113 ms. (35 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 68 ms. (58 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 56 ms. (70 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 113 ms. (35 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 88 ms. (44 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 106 ms. (37 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4003 steps (8 resets) in 101 ms. (39 steps per ms) remains 21/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 124 ms. (32 steps per ms) remains 20/21 properties
BEST_FIRST walk for 4004 steps (8 resets) in 105 ms. (37 steps per ms) remains 20/20 properties
BEST_FIRST walk for 4004 steps (8 resets) in 97 ms. (40 steps per ms) remains 19/20 properties
BEST_FIRST walk for 4003 steps (8 resets) in 98 ms. (40 steps per ms) remains 18/19 properties
BEST_FIRST walk for 4004 steps (8 resets) in 95 ms. (41 steps per ms) remains 18/18 properties
[2026-05-23 21:15:49] [INFO ] Invariant cache hit.
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 72/72 constraints. Problems are: Problem set: 0 solved, 18 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/72 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 18 unsolved
SMT process timed out in 5438ms, After SMT, problems are : Problem set: 0 solved, 18 unsolved
Fused 18 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 72 out of 3094 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 3094/3094 places, 2730/2730 transitions.
Graph (complete) has 9333 edges and 3094 vertex of which 3085 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.39 ms
Discarding 9 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 3085 transition count 2725
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 3084 transition count 2724
Applied a total of 6 rules in 1237 ms. Remains 3084 /3094 variables (removed 10) and now considering 2724/2730 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1243 ms. Remains : 3084/3094 places, 2724/2730 transitions.
RANDOM walk for 203196 steps (281 resets) in 10307 ms. (19 steps per ms) remains 0/18 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 2730 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 281190 ms.

BK_STOP 1779570958775

--------------------
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="Echo-PT-d02r19"
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 Echo-PT-d02r19, 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 r120-smll-177955742400102"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d02r19.tgz
mv Echo-PT-d02r19 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 ;