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-177946787900071.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-05a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946787900071
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 456K
-rw-r--r-- 1 mcc users 5.3K Mar 5 16:49 CTLCardinality.txt
-rw-r--r-- 1 mcc users 51K Mar 5 16:49 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Mar 5 16:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 5 16:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:19 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 07:19 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:19 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:19 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.1K Mar 5 16:49 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 68K Mar 5 16:49 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.8K Mar 5 16:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 5 16:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:19 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:19 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 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 AutonomousCar-PT-05a-ReachabilityFireability-2024-00
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-01
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-02
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-03
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-04
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-05
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-06
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-07
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-08
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-09
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-10
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-11
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-12
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-13
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-14
FORMULA_NAME AutonomousCar-PT-05a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779479133102

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=AutonomousCar-PT-05a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 19:45:35] [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]
[2026-05-22 19:45:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 19:45:36] [INFO ] Load time of PNML (sax parser for PT used): 206 ms
[2026-05-22 19:45:36] [INFO ] Transformed 57 places.
[2026-05-22 19:45:36] [INFO ] Transformed 289 transitions.
[2026-05-22 19:45:36] [INFO ] Found NUPN structural information;
[2026-05-22 19:45:36] [INFO ] Parsed PT model containing 57 places and 289 transitions and 2123 arcs in 437 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 33 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 113 transitions
Reduce redundant transitions removed 113 transitions.
[2026-05-22 19:45:37] [INFO ] Flatten gal took : 296 ms
[2026-05-22 19:45:37] [INFO ] Flatten gal took : 148 ms
RANDOM walk for 40000 steps (2303 resets) in 3205 ms. (12 steps per ms) remains 2/16 properties
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 19:45:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14596170366579410225.gal : 67 ms
BEST_FIRST walk for 40003 steps (328 resets) in 466 ms. (85 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (326 resets) in 451 ms. (88 steps per ms) remains 2/2 properties
[2026-05-22 19:45:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13410819015457482095.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/ReachabilityCardinality14596170366579410225.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13410819015457482095.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
[2026-05-22 19:45:37] [INFO ] Flow matrix only has 175 transitions (discarded 1 similar events)
Loading property file /tmp/ReachabilityCardinality13410819015457482095.prop.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4632352468372084483.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-12651394273006393830.kers'
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :8 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 46
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :46 after 266
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :266 after 370
[2026-05-22 19:45:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4632352468372084483.kers, --Pflows, --basisKERS=/tmp/petrispot-output-12651394273006393830.kers]
Normalized transition count is 174 out of 175 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 174 rows 56 cols 1088 entries
Finished phase 1 with 47 SingleSign rule and 0 generalized
[2026-05-22 19:45:37] [INFO ] Computed 10 invariants in 1 ms
Computed 10 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-12651394273006393830.kers
Total runtime 2 ms.
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :370 after 28654
[2026-05-22 19:45:37] [INFO ] State equation strengthened by 103 read => feed constraints.
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :28654 after 36327
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 34/51 variables, 8/25 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/51 variables, 34/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/51 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 6/57 variables, 2/61 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/57 variables, 6/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/57 variables, 0/67 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 174/231 variables, 57/124 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/231 variables, 102/226 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/231 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/232 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/232 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/232 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 232/232 variables, and 227 constraints, problems are : Problem set: 0 solved, 2 unsolved in 508 ms.
Refiners :[Domain max(s): 57/57 constraints, Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 57/57 constraints, ReadFeed: 103/103 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :36327 after 143932
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 17/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/17 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AutonomousCar-PT-05a-ReachabilityFireability-2024-02 is UNSAT
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-02 TRUE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-05a-ReachabilityFireability-2024-07 is UNSAT
FORMULA AutonomousCar-PT-05a-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 51/232 variables, and 25 constraints, problems are : Problem set: 2 solved, 0 unsolved in 81 ms.
Refiners :[Domain max(s): 17/57 constraints, Positive P Invariants (semi-flows): 8/10 constraints, State Equation: 0/57 constraints, ReadFeed: 0/103 constraints, PredecessorRefiner: 1/1 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 2865 ms.

BK_STOP 1779479138578

--------------------
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="AutonomousCar-PT-05a"
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 AutonomousCar-PT-05a, 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 r018-smll-177946787900071"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-05a.tgz
mv AutonomousCar-PT-05a 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 ;