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.r098-tall-177955695400119.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 Diffusion2D-PT-D20N050, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400119
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.7M
-rw-r--r-- 1 mcc users 8.2K Mar 6 16:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 16:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K Mar 6 16:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 16:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Mar 15 09:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 09:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 20K Mar 6 16:04 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 187K Mar 6 16:04 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Mar 6 16:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K Mar 6 16:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.2M 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

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D20N050-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779571189853

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Diffusion2D-PT-D20N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 21:19:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 21:19:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:19:51] [INFO ] Load time of PNML (sax parser for PT used): 156 ms
[2026-05-23 21:19:51] [INFO ] Transformed 400 places.
[2026-05-23 21:19:51] [INFO ] Transformed 2964 transitions.
[2026-05-23 21:19:51] [INFO ] Parsed PT model containing 400 places and 2964 transitions and 5928 arcs in 255 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40101 steps (8 resets) in 460 ms. (86 steps per ms) remains 12/16 properties
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 727 ms. (54 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 582 ms. (68 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 121 ms. (327 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 117 ms. (339 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 172 ms. (231 steps per ms) remains 11/12 properties
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 21:19:52] [INFO ] Flatten gal took : 371 ms
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 155 ms. (256 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 221 ms. (180 steps per ms) remains 11/11 properties
[2026-05-23 21:19:52] [INFO ] Flatten gal took : 137 ms
BEST_FIRST walk for 40004 steps (8 resets) in 130 ms. (305 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (8 resets) in 138 ms. (287 steps per ms) remains 11/11 properties
[2026-05-23 21:19:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality5926689899777779744.gal : 81 ms
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 11/11 properties
[2026-05-23 21:19:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8493059268584558981.prop : 4 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/ReachabilityCardinality5926689899777779744.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8493059268584558981.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 ...328
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-14458539820312604236.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1229077541348119853.kers'
[2026-05-23 21:19:52] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-14458539820312604236.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1229077541348119853.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 2964 rows 400 cols 5928 entries
Finished phase 1 with 399 SingleSign rule and 0 generalized
[2026-05-23 21:19:52] [INFO ] Computed 1 invariants in 8 ms
Computed 1 P flows in 9 ms.
Exported basis to /tmp/petrispot-output-1229077541348119853.kers
Total runtime 11 ms.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality8493059268584558981.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/197 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 1 (OVERLAPS) 203/400 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 11 unsolved
SDD proceeding with computation,11 properties remain. new max is 4
SDD size :1 after 14
Reachability property Diffusion2D-PT-D20N050-ReachabilityFireability-2024-14 is true.
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Invariant property Diffusion2D-PT-D20N050-ReachabilityFireability-2024-12 does not hold.
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :14 after 29
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :29 after 36
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :36 after 44
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :44 after 54
Reachability property Diffusion2D-PT-D20N050-ReachabilityFireability-2024-00 is true.
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :54 after 70
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :70 after 100
Reachability property Diffusion2D-PT-D20N050-ReachabilityFireability-2024-09 is true.
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,7 properties remain. new max is 64
SDD size :100 after 156
Reachability property Diffusion2D-PT-D20N050-ReachabilityFireability-2024-13 is true.
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-13 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :156 after 3592
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :3592 after 4597
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :4597 after 6316
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 5 solved, 6 unsolved
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :6316 after 20702
At refinement iteration 5 (OVERLAPS) 0/3364 variables, 0/401 constraints. Problems are: Problem set: 5 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 3364/3364 variables, and 401 constraints, problems are : Problem set: 5 solved, 6 unsolved in 1287 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 11/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/126 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 274/400 variables, 1/1 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/400 variables, 0/1 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 2964/3364 variables, 400/401 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/3364 variables, 3/404 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/3364 variables, 0/404 constraints. Problems are: Problem set: 5 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 0/3364 variables, 0/404 constraints. Problems are: Problem set: 5 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 3364/3364 variables, and 404 constraints, problems are : Problem set: 5 solved, 6 unsolved in 2772 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 400/400 constraints, PredecessorRefiner: 6/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4237ms problems are : Problem set: 5 solved, 6 unsolved
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-10 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-03 FALSE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-02 TRUE TECHNIQUES PARIKH_WALK
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-01 FALSE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 123429 steps, including 57 resets, run visited all 1 properties in 471 ms. (steps per millisecond=262 )
FORMULA Diffusion2D-PT-D20N050-ReachabilityFireability-2024-08 TRUE TECHNIQUES PARIKH_WALK
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 6 properties in 2794 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 8509 ms.

BK_STOP 1779571199511

--------------------
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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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 ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Diffusion2D-PT-D20N050"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 Diffusion2D-PT-D20N050, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695400119"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D20N050.tgz
mv Diffusion2D-PT-D20N050 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;