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.r082-smll-177946993600263.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 Dekker-PT-015, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600263
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 7.4K Mar 4 18:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 4 18:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 4 18:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Mar 4 18:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 08:52 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 15 08:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 4 18:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 130K Mar 4 18:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 4 18:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Mar 4 18:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 08:52 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 08:52 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 141K 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 Dekker-PT-015-ReachabilityFireability-2024-00
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-01
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-02
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-03
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-04
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-05
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-06
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-07
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-08
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-09
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-10
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-11
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-12
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-13
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-14
FORMULA_NAME Dekker-PT-015-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779637025060

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Dekker-PT-015
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-24 15:37:07] [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 15:37:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:37:07] [INFO ] Load time of PNML (sax parser for PT used): 161 ms
[2026-05-24 15:37:07] [INFO ] Transformed 75 places.
[2026-05-24 15:37:07] [INFO ] Transformed 255 transitions.
[2026-05-24 15:37:07] [INFO ] Found NUPN structural information;
[2026-05-24 15:37:07] [INFO ] Parsed PT model containing 75 places and 255 transitions and 1830 arcs in 323 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA Dekker-PT-015-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-2024-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Dekker-PT-015-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (8 resets) in 2537 ms. (15 steps per ms) remains 2/12 properties
FORMULA Dekker-PT-015-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-11 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-07 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Dekker-PT-015-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-24 15:37:08] [INFO ] Flatten gal took : 210 ms
BEST_FIRST walk for 40004 steps (8 resets) in 451 ms. (88 steps per ms) remains 2/2 properties
[2026-05-24 15:37:08] [INFO ] Flatten gal took : 109 ms
[2026-05-24 15:37:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9589693521645165264.gal : 61 ms
[2026-05-24 15:37:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6490453654193208582.prop : 7 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/ReachabilityCardinality9589693521645165264.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6490453654193208582.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
Loading property file /tmp/ReachabilityCardinality6490453654193208582.prop.
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 16
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :16 after 128
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :128 after 8192
BEST_FIRST walk for 40004 steps (8 resets) in 1879 ms. (21 steps per ms) remains 2/2 properties
[2026-05-24 15:37:09] [INFO ] Flow matrix only has 60 transitions (discarded 195 similar events)
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :8192 after 16688
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-12971196268430747138.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4696213269320201348.kers'
[2026-05-24 15:37:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-12971196268430747138.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4696213269320201348.kers]
Culling duplicate invariants (modulo rational): removing 30 columns.
Culled 30 columns in 0 ms.
// Phase 1: matrix 60 rows 45 cols 120 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-24 15:37:09] [INFO ] Computed 45 invariants in 0 ms
Computed 45 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4696213269320201348.kers
Total runtime 1 ms.
[2026-05-24 15:37:09] [INFO ] State equation strengthened by 15 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem Dekker-PT-015-ReachabilityFireability-2024-02 is UNSAT
FORMULA Dekker-PT-015-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (INCLUDED_ONLY) 0/48 variables, 16/64 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 4/68 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/68 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 16/64 variables, 14/82 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/64 variables, 16/98 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/64 variables, 0/98 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 11/75 variables, 11/109 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 11/120 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 0/120 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 60/135 variables, 75/195 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/135 variables, 15/210 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/135 variables, 0/210 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/135 variables, 0/210 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 135/135 variables, and 210 constraints, problems are : Problem set: 1 solved, 1 unsolved in 460 ms.
Refiners :[Domain max(s): 75/75 constraints, Positive P Invariants (semi-flows): 30/30 constraints, Generalized P Invariants (flows): 15/15 constraints, State Equation: 75/75 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/47 variables, 47/47 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem Dekker-PT-015-ReachabilityFireability-2024-05 is UNSAT
FORMULA Dekker-PT-015-ReachabilityFireability-2024-05 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 47/135 variables, and 63 constraints, problems are : Problem set: 2 solved, 0 unsolved in 68 ms.
Refiners :[Domain max(s): 47/75 constraints, Positive P Invariants (semi-flows): 16/30 constraints, Generalized P Invariants (flows): 0/15 constraints, State Equation: 0/75 constraints, ReadFeed: 0/15 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 759ms problems are : Problem set: 2 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 2751 ms.

BK_STOP 1779637030108

--------------------
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="Dekker-PT-015"
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 Dekker-PT-015, 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 r082-smll-177946993600263"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Dekker-PT-015.tgz
mv Dekker-PT-015 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 ;