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-177946788000103.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-07a, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r018-smll-177946788000103
=====================================================================

--------------------
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-ReachabilityFireability-2024-00
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-01
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-02
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-03
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-04
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-05
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-06
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-07
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-08
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-09
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-10
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-11
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-12
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-13
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-14
FORMULA_NAME AutonomousCar-PT-07a-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779489180899

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-07a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-22 22:33:03] [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 22:33:03] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 22:33:03] [INFO ] Load time of PNML (sax parser for PT used): 260 ms
[2026-05-22 22:33:03] [INFO ] Transformed 73 places.
[2026-05-22 22:33:03] [INFO ] Transformed 593 transitions.
[2026-05-22 22:33:03] [INFO ] Found NUPN structural information;
[2026-05-22 22:33:04] [INFO ] Parsed PT model containing 73 places and 593 transitions and 5357 arcs in 502 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 34 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 213 transitions
Reduce redundant transitions removed 213 transitions.
[2026-05-22 22:33:05] [INFO ] Flatten gal took : 384 ms
[2026-05-22 22:33:05] [INFO ] Flatten gal took : 131 ms
RANDOM walk for 40000 steps (2195 resets) in 4458 ms. (8 steps per ms) remains 9/16 properties
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-01 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-22 22:33:05] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15134635928155914171.gal : 274 ms
[2026-05-22 22:33:05] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15884298546052828960.prop : 23 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/ReachabilityCardinality15134635928155914171.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15884298546052828960.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (160 resets) in 1545 ms. (25 steps per ms) remains 8/9 properties

FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (174 resets) in 291 ms. (136 steps per ms) remains 8/8 properties
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
BEST_FIRST walk for 40004 steps (165 resets) in 610 ms. (65 steps per ms) remains 8/8 properties
Loading property file /tmp/ReachabilityCardinality15884298546052828960.prop.
SDD proceeding with computation,9 properties remain. new max is 4
SDD size :1 after 8
SDD proceeding with computation,9 properties remain. new max is 8
SDD size :8 after 10
SDD proceeding with computation,9 properties remain. new max is 16
SDD size :10 after 46
SDD proceeding with computation,9 properties remain. new max is 32
SDD size :46 after 58
SDD proceeding with computation,9 properties remain. new max is 64
SDD size :58 after 348
BEST_FIRST walk for 40004 steps (176 resets) in 1148 ms. (34 steps per ms) remains 8/8 properties
SDD proceeding with computation,9 properties remain. new max is 128
SDD size :348 after 1906
BEST_FIRST walk for 40004 steps (166 resets) in 181 ms. (219 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (162 resets) in 688 ms. (58 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (174 resets) in 124 ms. (320 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (173 resets) in 558 ms. (71 steps per ms) remains 8/8 properties
[2026-05-22 22:33:07] [INFO ] Flow matrix only has 379 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2708283289224547223.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16846130922022622527.kers'
[2026-05-22 22:33:07] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2708283289224547223.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16846130922022622527.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 22:33:07] [INFO ] Computed 12 invariants in 2 ms
Computed 12 P flows in 5 ms.
Exported basis to /tmp/petrispot-output-16846130922022622527.kers
Total runtime 6 ms.
[2026-05-22 22:33:07] [INFO ] State equation strengthened by 199 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/57 variables, 57/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/57 variables, 0/57 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-02 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-03 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-11 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-15 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 12/69 variables, 11/68 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 12/80 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 0/80 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 4/73 variables, 1/81 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/73 variables, 4/85 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/73 variables, 0/85 constraints. Problems are: Problem set: 4 solved, 4 unsolved
Invariant property AutonomousCar-PT-07a-ReachabilityFireability-2024-14 does not hold.
At refinement iteration 8 (OVERLAPS) 378/451 variables, 73/158 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/451 variables, 198/356 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/451 variables, 0/356 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 1/452 variables, 1/357 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/452 variables, 0/357 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 0/452 variables, 0/357 constraints. Problems are: Problem set: 4 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 452/452 variables, and 357 constraints, problems are : Problem set: 4 solved, 4 unsolved in 1371 ms.
Refiners :[Domain max(s): 73/73 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 73/73 constraints, ReadFeed: 199/199 constraints, PredecessorRefiner: 8/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 4 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 4 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 4 solved, 4 unsolved
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-04 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-04 TRUE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-06 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-06 TRUE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-07 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-07 TRUE TECHNIQUES SMT_REFINEMENT
Problem AutonomousCar-PT-07a-ReachabilityFireability-2024-08 is UNSAT
FORMULA AutonomousCar-PT-07a-ReachabilityFireability-2024-08 TRUE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Int declared 67/452 variables, and 62 constraints, problems are : Problem set: 8 solved, 0 unsolved in 173 ms.
Refiners :[Domain max(s): 52/73 constraints, Positive P Invariants (semi-flows): 10/12 constraints, State Equation: 0/73 constraints, ReadFeed: 0/199 constraints, PredecessorRefiner: 4/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1795ms problems are : Problem set: 8 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 5554 ms.

BK_STOP 1779489189058

--------------------
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-07a"
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-07a, 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-177946788000103"
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 [ "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 ;