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-177955695400231.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-D50N150, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400231
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 7.9M
-rw-r--r-- 1 mcc users 9.3K Mar 6 16:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 6 16:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 6 16:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 62K Mar 6 16:01 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 4.4K Mar 15 09:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:09 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:09 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:09 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Mar 6 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 144K Mar 6 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 6 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 83K Mar 6 16:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:09 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 7.3M 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-D50N150-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D50N150-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779593933913

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-D50N150
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 03:38:55] [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]
[2026-05-24 03:38:55] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 03:38:55] [INFO ] Load time of PNML (sax parser for PT used): 609 ms
[2026-05-24 03:38:55] [INFO ] Transformed 2500 places.
[2026-05-24 03:38:55] [INFO ] Transformed 19404 transitions.
[2026-05-24 03:38:55] [INFO ] Parsed PT model containing 2500 places and 19404 transitions and 38808 arcs in 758 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 29 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40494 steps (8 resets) in 274 ms. (147 steps per ms) remains 15/16 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 142 ms. (28 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 229 ms. (17 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 20 ms. (190 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 62 ms. (63 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 59 ms. (66 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 35 ms. (111 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 18 ms. (210 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 28 ms. (138 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 23 ms. (166 steps per ms) remains 15/15 properties
[2026-05-24 03:38:57] [INFO ] Flatten gal took : 683 ms
[2026-05-24 03:38:57] [INFO ] Flatten gal took : 283 ms
[2026-05-24 03:38:57] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7262895206908847612.gal : 163 ms
[2026-05-24 03:38:57] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10152799688569541274.prop : 2 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/ReachabilityCardinality7262895206908847612.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10152799688569541274.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/ReachabilityCardinality10152799688569541274.prop.
Interrupted probabilistic random walk after 110014 steps, run timeout after 3004 ms. (steps per millisecond=36 ) properties seen :1 out of 15
Probabilistic random walk after 110014 steps, saw 91885 distinct states, run finished after 3010 ms. (steps per millisecond=36 ) properties seen :1
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-16045397098573630720.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2624017993367833543.kers'
[2026-05-24 03:38:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-16045397098573630720.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2624017993367833543.kers]
Culled 0 columns in 5 ms.
// Phase 1: matrix 19404 rows 2500 cols 38808 entries
Finished phase 1 with 2499 SingleSign rule and 0 generalized
[2026-05-24 03:38:59] [INFO ] Computed 1 invariants in 92 ms
Computed 1 P flows in 93 ms.
Exported basis to /tmp/petrispot-output-2624017993367833543.kers
Total runtime 106 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/216 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 2284/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 21904/21904 variables, and 2501 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5049 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 14/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/216 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 2284/2500 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/2500 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 21904/21904 variables, and 2501 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5015 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 2500/2500 constraints, PredecessorRefiner: 8/6 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10447ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 216 out of 2500 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2500/2500 places, 19404/19404 transitions.
Graph (trivial) has 16144 edges and 2500 vertex of which 2284 / 2500 are part of one of the 1 SCC in 25 ms
Free SCC test removed 2283 places
Drop transitions (Empty/Sink Transition effects.) removed 16144 transitions
Ensure Unique test removed 2692 transitions
Reduce isomorphic transitions removed 18836 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 167 transitions
Redundant transition composition rules discarded 167 transitions
Iterating global reduction 0 with 167 rules applied. Total rules applied 168 place count 217 transition count 401
Applied a total of 168 rules in 145 ms. Remains 217 /2500 variables (removed 2283) and now considering 401/19404 (removed 19003) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 153 ms. Remains : 217/2500 places, 401/19404 transitions.
RANDOM walk for 40459 steps (8 resets) in 70 ms. (569 steps per ms) remains 9/14 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 5/9 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 3/5 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 110 ms. (360 steps per ms) remains 2/3 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 1/2 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1300 steps (0 resets) in 5 ms. (216 steps per ms) remains 0/1 properties
FORMULA Diffusion2D-PT-D50N150-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
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 15320 ms.

BK_STOP 1779593950427

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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-D50N150"
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-D50N150, 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-177955695400231"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D50N150.tgz
mv Diffusion2D-PT-D50N150 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 ;