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-177946788000102.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is AutonomousCar-PT-07a, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788000102
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 744K
-rw-r--r-- 1 mcc users 7.7K Mar 5 16:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 5 16:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 5 16:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 5 16:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Mar 15 07:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 5 16:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 5 16:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Mar 5 16:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K Mar 5 16:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:20 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 276K 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-07a-ReachabilityCardinality-2024-00
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-01
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-02
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-03
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-04
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-05
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-06
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-07
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-08
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-09
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-10
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-11
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-12
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-13
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-14
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779489164594

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-07a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-22 22:32:46] [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 22:32:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:32:47] [INFO ] Load time of PNML (sax parser for PT used): 246 ms
[2026-05-22 22:32:47] [INFO ] Transformed 73 places.
[2026-05-22 22:32:47] [INFO ] Transformed 593 transitions.
[2026-05-22 22:32:47] [INFO ] Found NUPN structural information;
[2026-05-22 22:32:47] [INFO ] Parsed PT model containing 73 places and 593 transitions and 5357 arcs in 417 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 72 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 213 transitions
Reduce redundant transitions removed 213 transitions.
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-22 22:32:48] [INFO ] Flatten gal took : 410 ms
[2026-05-22 22:32:48] [INFO ] Flatten gal took : 151 ms
RANDOM walk for 40000 steps (2212 resets) in 4257 ms. (9 steps per ms) remains 4/9 properties
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 22:32:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4341013932039661380.gal : 141 ms
BEST_FIRST walk for 40004 steps (224 resets) in 585 ms. (68 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (206 resets) in 487 ms. (81 steps per ms) remains 4/4 properties
[2026-05-22 22:32:49] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6199807861329206354.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/ReachabilityCardinality4341013932039661380.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6199807861329206354.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (216 resets) in 332 ms. (120 steps per ms) remains 3/4 properties
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK

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
BEST_FIRST walk for 40004 steps (227 resets) in 252 ms. (158 steps per ms) remains 3/3 properties
[2026-05-22 22:32:49] [INFO ] Flow matrix only has 379 transitions (discarded 1 similar events)
Loading property file /tmp/ReachabilityCardinality6199807861329206354.prop.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7212613745622209837.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15542079386853295403.kers'
[2026-05-22 22:32:49] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7212613745622209837.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15542079386853295403.kers]
Normalized transition count is 378 out of 379 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 378 rows 72 cols 3354 entries
Finished phase 1 with 61 SingleSign rule and 0 generalized
[2026-05-22 22:32:49] [INFO ] Computed 12 invariants in 2 ms
Computed 12 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-15542079386853295403.kers
Total runtime 4 ms.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :8 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 46
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :46 after 58
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :58 after 348
[2026-05-22 22:32:49] [INFO ] State equation strengthened by 199 read => feed constraints.
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :348 after 1906
Excessive predecessor constraint size, skipping predecessor.
Problem AutonomousCar-PT-07a-ReachabilityCardinality-2024-05 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-05 FALSE TECHNIQUES SMT_REFINEMENT
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 42/42 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 1/43 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/42 variables, 0/43 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Problem AutonomousCar-PT-07a-ReachabilityCardinality-2024-01 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityCardinality-2024-11 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityCardinality-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 73/452 variables, and 54 constraints, problems are : Problem set: 3 solved, 0 unsolved in 299 ms.
Refiners :[Domain max(s): 42/73 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 0/73 constraints, ReadFeed: 0/199 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 465ms problems are : Problem set: 3 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 2882 ms.

BK_STOP 1779489169877

--------------------
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-07a"
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-07a, 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-177946788000102"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-07a.tgz
mv AutonomousCar-PT-07a 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 ;