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.r114-smll-177955740400175.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 Echo-PT-d03r03, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400175
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 564K
-rw-r--r-- 1 mcc users 7.2K Mar 7 05:20 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 05:20 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 7 05:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 7 05:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 3 18:30 GenericPropertiesVerdict.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 2.1K 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 9.5K Mar 7 05:20 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 99K Mar 7 05:20 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Mar 7 05:20 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 114K 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 Echo-PT-d03r03-ReachabilityFireability-2024-00
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-01
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-02
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-03
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-04
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-05
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-06
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-07
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-08
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-09
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-10
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-11
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-12
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-13
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-14
FORMULA_NAME Echo-PT-d03r03-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779711992162

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d03r03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-25 12:26:33] [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]
[2026-05-25 12:26:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 12:26:34] [INFO ] Load time of PNML (sax parser for PT used): 137 ms
[2026-05-25 12:26:34] [INFO ] Transformed 265 places.
[2026-05-25 12:26:34] [INFO ] Transformed 206 transitions.
[2026-05-25 12:26:34] [INFO ] Found NUPN structural information;
[2026-05-25 12:26:34] [INFO ] Parsed PT model containing 265 places and 206 transitions and 1252 arcs in 286 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (724 resets) in 1775 ms. (22 steps per ms) remains 2/14 properties
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-04 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 12:26:35] [INFO ] Flatten gal took : 276 ms
[2026-05-25 12:26:35] [INFO ] Flatten gal took : 136 ms
[2026-05-25 12:26:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11313447491939538091.gal : 77 ms
[2026-05-25 12:26:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1391485938114326391.prop : 12 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/ReachabilityCardinality11313447491939538091.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1391485938114326391.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/ReachabilityCardinality1391485938114326391.prop.
BEST_FIRST walk for 40003 steps (60 resets) in 2956 ms. (13 steps per ms) remains 1/2 properties
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 12
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :12 after 56
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :56 after 299
SDD proceeding with computation,2 properties remain. new max is 64
BEST_FIRST walk for 40004 steps (54 resets) in 463 ms. (86 steps per ms) remains 1/1 properties
SDD size :299 after 550
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4474445388071307936.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3724419498655043775.kers'
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :550 after 1901
[2026-05-25 12:26:35] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4474445388071307936.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3724419498655043775.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 206 rows 265 cols 1252 entries
Finished phase 1 with 2 SingleSign rule and 128 generalized
[2026-05-25 12:26:35] [INFO ] Computed 135 invariants in 2 ms
Computed 135 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3724419498655043775.kers
Total runtime 4 ms.
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :1901 after 2275
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 70/79 variables, 21/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2275 after 4151
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 70/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 20/99 variables, 13/113 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 20/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 0/133 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 8/107 variables, 2/135 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/107 variables, 8/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/107 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 7/114 variables, 2/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/114 variables, 7/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/114 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 3/117 variables, 1/153 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/117 variables, 3/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/117 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 132/249 variables, 80/236 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/249 variables, 132/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/249 variables, 0/368 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 7/256 variables, 7/375 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/256 variables, 7/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/256 variables, 0/382 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 9/265 variables, 9/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (INCLUDED_ONLY) 0/265 variables, 9/400 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 25 (INCLUDED_ONLY) 0/265 variables, 0/400 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :4151 after 12944
At refinement iteration 26 (OVERLAPS) 206/471 variables, 265/665 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 27 (INCLUDED_ONLY) 0/471 variables, 0/665 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 28 (OVERLAPS) 0/471 variables, 0/665 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 471/471 variables, and 665 constraints, problems are : Problem set: 0 solved, 1 unsolved in 953 ms.
Refiners :[Domain max(s): 265/265 constraints, Positive P Invariants (semi-flows): 25/25 constraints, Generalized P Invariants (flows): 110/110 constraints, State Equation: 265/265 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/9 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 70/79 variables, 21/30 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/79 variables, 70/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/79 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem Echo-PT-d03r03-ReachabilityFireability-2024-15 is UNSAT
FORMULA Echo-PT-d03r03-ReachabilityFireability-2024-15 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 99/471 variables, and 113 constraints, problems are : Problem set: 1 solved, 0 unsolved in 135 ms.
Refiners :[Domain max(s): 79/265 constraints, Positive P Invariants (semi-flows): 13/25 constraints, Generalized P Invariants (flows): 21/110 constraints, State Equation: 0/265 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1207ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 3149 ms.

BK_STOP 1779711997104

--------------------
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="Echo-PT-d03r03"
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 Echo-PT-d03r03, 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 r114-smll-177955740400175"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d03r03.tgz
mv Echo-PT-d03r03 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 ;