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-177955695400183.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-D40N050, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695400183
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.1M
-rw-r--r-- 1 mcc users 8.2K Mar 6 16:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 6 16:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 16:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K 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 4.9K Mar 15 09:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 09:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 15 09:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 16:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 121K Mar 6 16:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 6 16:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 6 16:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 15 09:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 15 09:07 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 4.7M 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-D40N050-ReachabilityFireability-2024-00
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-01
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-02
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-03
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-04
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-05
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-06
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-07
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-08
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-09
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-10
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-11
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-12
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-13
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-14
FORMULA_NAME Diffusion2D-PT-D40N050-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779582694183

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-D40N050
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 00:31:35] [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 00:31:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 00:31:35] [INFO ] Load time of PNML (sax parser for PT used): 333 ms
[2026-05-24 00:31:35] [INFO ] Transformed 1600 places.
[2026-05-24 00:31:35] [INFO ] Transformed 12324 transitions.
[2026-05-24 00:31:35] [INFO ] Parsed PT model containing 1600 places and 12324 transitions and 24648 arcs in 474 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40162 steps (8 resets) in 410 ms. (97 steps per ms) remains 14/16 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 961 ms. (41 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 200 ms. (199 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (8 resets) in 122 ms. (325 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 214 ms. (186 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 106 ms. (373 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 109 ms. (363 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 123 ms. (322 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 115 ms. (344 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 247 ms. (161 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 83 ms. (476 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 96 ms. (412 steps per ms) remains 14/14 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17738818148162302102.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4633648246799014027.kers'
[2026-05-24 00:31:37] [INFO ] Flatten gal took : 718 ms
[2026-05-24 00:31:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17738818148162302102.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4633648246799014027.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 12324 rows 1600 cols 24648 entries
Finished phase 1 with 1599 SingleSign rule and 0 generalized
[2026-05-24 00:31:37] [INFO ] Computed 1 invariants in 48 ms
Computed 1 P flows in 50 ms.
Exported basis to /tmp/petrispot-output-4633648246799014027.kers
Total runtime 61 ms.
Excessive predecessor constraint size, skipping predecessor.
[2026-05-24 00:31:37] [INFO ] Flatten gal took : 245 ms
[2026-05-24 00:31:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2346682527619997424.gal : 96 ms
[2026-05-24 00:31:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10024624674286187598.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/ReachabilityCardinality2346682527619997424.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10024624674286187598.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
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 1424/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Loading property file /tmp/ReachabilityCardinality10024624674286187598.prop.
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 12324/13924 variables, 1600/1601 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13924 variables, 0/1601 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 13924/13924 variables, and 1601 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5033 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 14/8 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) 0/176 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 1424/1600 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1600 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 12324/13924 variables, 1600/1601 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13924 variables, 8/1609 constraints. Problems are: Problem set: 0 solved, 14 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 13924/13924 variables, and 1609 constraints, problems are : Problem set: 0 solved, 14 unsolved in 5034 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 1600/1600 constraints, PredecessorRefiner: 14/8 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10526ms problems are : Problem set: 0 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 176 out of 1600 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1600/1600 places, 12324/12324 transitions.
Graph (trivial) has 9738 edges and 1600 vertex of which 1424 / 1600 are part of one of the 1 SCC in 19 ms
Free SCC test removed 1423 places
Drop transitions (Empty/Sink Transition effects.) removed 9738 transitions
Ensure Unique test removed 2082 transitions
Reduce isomorphic transitions removed 11820 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 183 transitions
Redundant transition composition rules discarded 183 transitions
Iterating global reduction 0 with 183 rules applied. Total rules applied 184 place count 177 transition count 321
Applied a total of 184 rules in 119 ms. Remains 177 /1600 variables (removed 1423) and now considering 321/12324 (removed 12003) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 127 ms. Remains : 177/1600 places, 321/12324 transitions.
RANDOM walk for 40070 steps (8 resets) in 118 ms. (336 steps per ms) remains 5/14 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 69 ms. (571 steps per ms) remains 4/5 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 114 ms. (347 steps per ms) remains 3/4 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 93 ms. (425 steps per ms) remains 2/3 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 203 ms. (196 steps per ms) remains 1/2 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 964 steps (0 resets) in 7 ms. (120 steps per ms) remains 0/1 properties
FORMULA Diffusion2D-PT-D40N050-ReachabilityFireability-2024-13 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 12563 ms.

BK_STOP 1779582707914

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ perl -pe 's/.*\.//g'
+ 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-D40N050"
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-D40N050, 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-177955695400183"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Diffusion2D-PT-D40N050.tgz
mv Diffusion2D-PT-D40N050 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 ;