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.r018-smll-177946787900030.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 AutonomousCar-PT-02b, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946787900030
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 7.3K Mar 5 16:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 5 16:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Mar 5 16:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K Mar 5 16:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 5 16:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Mar 5 16:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 78K Mar 5 16:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:18 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 49K 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 AutonomousCar-PT-02b-ReachabilityCardinality-2024-00
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-01
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-02
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-03
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-04
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-05
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-06
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-07
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-08
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-09
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-10
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-11
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-12
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-13
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-14
FORMULA_NAME AutonomousCar-PT-02b-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779474301822

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-02b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 18:25:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-22 18:25:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:25:04] [INFO ] Load time of PNML (sax parser for PT used): 141 ms
[2026-05-22 18:25:04] [INFO ] Transformed 155 places.
[2026-05-22 18:25:04] [INFO ] Transformed 194 transitions.
[2026-05-22 18:25:04] [INFO ] Found NUPN structural information;
[2026-05-22 18:25:04] [INFO ] Parsed PT model containing 155 places and 194 transitions and 620 arcs in 358 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 42 ms.
Working with output stream class java.io.PrintStream
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 18:25:05] [INFO ] Flatten gal took : 147 ms
[2026-05-22 18:25:05] [INFO ] Flatten gal took : 62 ms
RANDOM walk for 40000 steps (28 resets) in 2734 ms. (14 steps per ms) remains 5/13 properties
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 18:25:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11165836841323111505.gal : 39 ms
[2026-05-22 18:25:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10408554420674941042.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/ReachabilityCardinality11165836841323111505.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10408554420674941042.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 ...330
Loading property file /tmp/ReachabilityCardinality10408554420674941042.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :4 after 5
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :5 after 6
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :6 after 21
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :21 after 43
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :43 after 241
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :241 after 775
Reachability property AutonomousCar-PT-02b-ReachabilityCardinality-2024-01 is true.
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :775 after 5698
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :5698 after 11065
BEST_FIRST walk for 40001 steps (11 resets) in 1161 ms. (34 steps per ms) remains 3/5 properties
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (19 resets) in 668 ms. (59 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (23 resets) in 273 ms. (145 steps per ms) remains 2/3 properties
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40000 steps (15 resets) in 181 ms. (219 steps per ms) remains 2/2 properties
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7950461160570465836.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15198795636297362349.kers'
[2026-05-22 18:25:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7950461160570465836.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15198795636297362349.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 194 rows 155 cols 620 entries
Finished phase 1 with 148 SingleSign rule and 0 generalized
[2026-05-22 18:25:06] [INFO ] Computed 7 invariants in 1 ms
Computed 7 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-15198795636297362349.kers
Total runtime 2 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/29 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 126/155 variables, 7/36 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/155 variables, 126/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/155 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Reachability property AutonomousCar-PT-02b-ReachabilityCardinality-2024-11 is true.
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :11065 after 551661
At refinement iteration 5 (OVERLAPS) 194/349 variables, 155/317 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/349 variables, 0/317 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/349 variables, 0/317 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 349/349 variables, and 317 constraints, problems are : Problem set: 1 solved, 1 unsolved in 535 ms.
Refiners :[Domain max(s): 155/155 constraints, Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 155/155 constraints, PredecessorRefiner: 2/2 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) 0/20 variables, 20/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/20 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 128/148 variables, 6/26 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/148 variables, 128/154 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Invariant property AutonomousCar-PT-02b-ReachabilityCardinality-2024-07 does not hold.
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :551661 after 703124
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :703124 after 717927
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,4.05173e+06,2.0672,13712,2,3557,20,37275,8,0,862,35586,0
Total reachable state count : 4051732

Verifying 5 reachability properties.
Reachability property AutonomousCar-PT-02b-ReachabilityCardinality-2024-01 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutonomousCar-PT-02b-ReachabilityCardinality-2024-01,34,2.06857,13848,2,195,20,37275,9,0,873,35586,0
Invariant property AutonomousCar-PT-02b-ReachabilityCardinality-2024-07 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutonomousCar-PT-02b-ReachabilityCardinality-2024-07,12168,2.0733,13932,2,731,20,37275,10,0,890,35586,0
Reachability property AutonomousCar-PT-02b-ReachabilityCardinality-2024-11 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutonomousCar-PT-02b-ReachabilityCardinality-2024-11,660,2.07658,13932,2,356,20,37275,11,0,918,35586,0
Reachability property AutonomousCar-PT-02b-ReachabilityCardinality-2024-14 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutonomousCar-PT-02b-ReachabilityCardinality-2024-14,9522,2.07934,13932,2,613,20,37275,11,0,927,35586,0
Reachability property AutonomousCar-PT-02b-ReachabilityCardinality-2024-15 does not hold.
FORMULA AutonomousCar-PT-02b-ReachabilityCardinality-2024-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
No reachable states exhibit your property : AutonomousCar-PT-02b-ReachabilityCardinality-2024-15

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
AutonomousCar-PT-02b-ReachabilityCardinality-2024-15,0,2.08223,13932,1,0,20,37275,11,0,942,35586,0
Problem AutonomousCar-PT-02b-ReachabilityCardinality-2024-15 is UNSAT
After SMT solving in domain Int declared 148/349 variables, and 160 constraints, problems are : Problem set: 2 solved, 0 unsolved in 1121 ms.
Refiners :[Domain max(s): 148/155 constraints, Positive P Invariants (semi-flows): 6/7 constraints, State Equation: 0/155 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1760ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
All properties solved without resorting to model-checking.
Total runtime 4047 ms.

BK_STOP 1779474308525

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="AutonomousCar-PT-02b"
export BK_EXAMINATION="ReachabilityCardinality"
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 AutonomousCar-PT-02b, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r018-smll-177946787900030"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-02b.tgz
mv AutonomousCar-PT-02b execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;