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.r024-smll-177946789500093.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-10a, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789500093
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 8.1K Mar 5 16:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Mar 5 16:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Mar 5 16:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 75K Mar 5 16:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 07:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 15 07:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 07:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 07:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 5 16:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 5 16:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 5 16:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:22 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 1.5M 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

FORMULA_NAME StableMarking

=== Now, execution of the tool begins

BK_START 1779473178496

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=AutonomousCar-PT-10a
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 18:06:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, StableMarking, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-22 18:06:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 18:06:22] [INFO ] Load time of PNML (sax parser for PT used): 617 ms
[2026-05-22 18:06:22] [INFO ] Transformed 97 places.
[2026-05-22 18:06:22] [INFO ] Transformed 1921 transitions.
[2026-05-22 18:06:22] [INFO ] Found NUPN structural information;
[2026-05-22 18:06:22] [INFO ] Parsed PT model containing 97 places and 1921 transitions and 29152 arcs in 1022 ms.
Structural test allowed to assert that 16 places are NOT stable. Took 30 ms.
Ensure Unique test removed 423 transitions
Reduce redundant transitions removed 423 transitions.
RANDOM walk for 40000 steps (1832 resets) in 7144 ms. (5 steps per ms) remains 2/81 properties
BEST_FIRST walk for 40004 steps (133 resets) in 471 ms. (84 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (131 resets) in 360 ms. (110 steps per ms) remains 2/2 properties
[2026-05-22 18:06:24] [INFO ] Flatten gal took : 1264 ms
[2026-05-22 18:06:24] [INFO ] Flow matrix only has 1497 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-18239477095102640801.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11978846845235334410.kers'
[2026-05-22 18:06:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-18239477095102640801.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11978846845235334410.kers]
Normalized transition count is 1496 out of 1497 initially.
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 7 ms.
// Phase 1: matrix 1496 rows 96 cols 25097 entries
Finished phase 1 with 82 SingleSign rule and 0 generalized
[2026-05-22 18:06:24] [INFO ] Computed 15 invariants in 22 ms
Computed 15 P flows in 27 ms.
Exported basis to /tmp/petrispot-output-11978846845235334410.kers
Total runtime 33 ms.
[2026-05-22 18:06:25] [INFO ] State equation strengthened by 403 read => feed constraints.
[2026-05-22 18:06:25] [INFO ] Flatten gal took : 433 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 10/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
[2026-05-22 18:06:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7635572137517941695.gal : 170 ms
[2026-05-22 18:06:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6326142654172786254.prop : 1 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/ReachabilityCardinality7635572137517941695.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6326142654172786254.prop' '--nowitness' '--gen-order' 'FOLLOW'

At refinement iteration 5 (OVERLAPS) 85/97 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 85/112 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1496/1593 variables, 97/209 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1593 variables, 402/611 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Loading property file /tmp/ReachabilityCardinality6326142654172786254.prop.
At refinement iteration 10 (INCLUDED_ONLY) 0/1593 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 1/1594 variables, 1/612 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1594 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (OVERLAPS) 0/1594 variables, 0/612 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1594/1594 variables, and 612 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1404 ms.
Refiners :[Domain max(s): 97/97 constraints, Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 97/97 constraints, ReadFeed: 403/403 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/2 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 10/12 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/12 variables, 10/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 85/97 variables, 13/27 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/97 variables, 85/112 constraints. Problems are: Problem set: 0 solved, 2 unsolved
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 56
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :56 after 298
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :298 after 362
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :362 after 2116
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :2116 after 7554
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :7554 after 9858
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :9858 after 40314
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :40314 after 242978
At refinement iteration 7 (INCLUDED_ONLY) 0/97 variables, 2/114 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/97 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 1496/1593 variables, 97/211 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1593 variables, 402/613 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1593 variables, 2/615 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :242978 after 1.46928e+06
SMT process timed out in 7045ms, After SMT, problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 852 ms.
Support contains 2 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 1498/1498 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 13 rules applied. Total rules applied 13 place count 97 transition count 1485
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 1 with 11 rules applied. Total rules applied 24 place count 86 transition count 1485
Discarding 10 places :
Symmetric choice reduction at 2 with 10 rule applications. Total rules 34 place count 76 transition count 1375
Iterating global reduction 2 with 10 rules applied. Total rules applied 44 place count 76 transition count 1375
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 48 place count 74 transition count 1373
Free-agglomeration rule applied 11 times.
Iterating global reduction 2 with 11 rules applied. Total rules applied 59 place count 74 transition count 1362
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 100 transitions
Reduce isomorphic transitions removed 100 transitions.
Iterating post reduction 2 with 111 rules applied. Total rules applied 170 place count 63 transition count 1262
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :1.46928e+06 after 5.89261e+06
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 171 place count 63 transition count 1262
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 172 place count 62 transition count 1261
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 173 place count 61 transition count 1261
Applied a total of 173 rules in 920 ms. Remains 61 /97 variables (removed 36) and now considering 1261/1498 (removed 237) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 933 ms. Remains : 61/97 places, 1261/1498 transitions.
RANDOM walk for 1699 steps (6 resets) in 76 ms. (22 steps per ms) remains 0/2 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 82 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TOPOLOGICAL
Total runtime 12539 ms.

BK_STOP 1779473193829

--------------------
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
+ [[ StableMarking = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ 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 StableMarking -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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-10a"
export BK_EXAMINATION="StableMarking"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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-10a, examination is StableMarking"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r024-smll-177946789500093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/AutonomousCar-PT-10a.tgz
mv AutonomousCar-PT-10a execution
cd execution
if [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "UpperBounds" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] || [ "StableMarking" = "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 [ "StableMarking" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "StableMarking" != "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 "StableMarking.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 '' StableMarking.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "StableMarking" = "ReachabilityDeadlock" ] || [ "StableMarking" = "QuasiLiveness" ] || [ "StableMarking" = "StableMarking" ] || [ "StableMarking" = "Liveness" ] || [ "StableMarking" = "OneSafe" ] ; then
echo "FORMULA_NAME StableMarking"
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 ;