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-177946789500068.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-07b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r024-smll-177946789500068
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 764K
-rw-r--r-- 1 mcc users 7.8K 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 5.0K Mar 5 16:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Mar 5 16:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 07:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 07:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 07:21 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 07:21 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 5 16:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Mar 5 16:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 5 16:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Mar 5 16:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 07:21 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:21 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 334K 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 1779472784293

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-07b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-22 17:59:46] [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 17:59:46] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-22 17:59:46] [INFO ] Load time of PNML (sax parser for PT used): 233 ms
[2026-05-22 17:59:46] [INFO ] Transformed 323 places.
[2026-05-22 17:59:46] [INFO ] Transformed 846 transitions.
[2026-05-22 17:59:46] [INFO ] Found NUPN structural information;
[2026-05-22 17:59:46] [INFO ] Parsed PT model containing 323 places and 846 transitions and 5865 arcs in 453 ms.
Graph (trivial) has 310 edges and 323 vertex of which 4 / 323 are part of one of the 2 SCC in 14 ms
Free SCC test removed 2 places
Structural test allowed to assert that 73 places are NOT stable. Took 53 ms.
Ensure Unique test removed 2 transitions
Reduce redundant transitions removed 2 transitions.
[2026-05-22 17:59:48] [INFO ] Flatten gal took : 313 ms
RANDOM walk for 40000 steps (382 resets) in 3395 ms. (11 steps per ms) remains 14/250 properties
BEST_FIRST walk for 40003 steps (64 resets) in 230 ms. (173 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (66 resets) in 192 ms. (207 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (61 resets) in 134 ms. (296 steps per ms) remains 7/14 properties
[2026-05-22 17:59:48] [INFO ] Flatten gal took : 227 ms
BEST_FIRST walk for 40003 steps (61 resets) in 256 ms. (155 steps per ms) remains 2/7 properties
[2026-05-22 17:59:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1888096866840333160.gal : 107 ms
[2026-05-22 17:59:48] [INFO ] Flow matrix only has 843 transitions (discarded 1 similar events)
[2026-05-22 17:59:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5166192141527580132.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/ReachabilityCardinality1888096866840333160.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5166192141527580132.prop' '--nowitness' '--gen-order' 'FOLLOW'
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5454586560968831120.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-7700223333639400662.kers'

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
[2026-05-22 17:59:48] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5454586560968831120.kers, --Pflows, --basisKERS=/tmp/petrispot-output-7700223333639400662.kers]
Normalized transition count is 842 out of 843 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 842 rows 321 cols 5857 entries
Finished phase 1 with 309 SingleSign rule and 0 generalized
[2026-05-22 17:59:48] [INFO ] Computed 12 invariants in 8 ms
Computed 12 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-7700223333639400662.kers
Total runtime 11 ms.
[2026-05-22 17:59:48] [INFO ] State equation strengthened by 1 read => feed constraints.
Loading property file /tmp/ReachabilityCardinality5166192141527580132.prop.
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) 27/29 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 27/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 4
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :4 after 5
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :5 after 6
At refinement iteration 5 (OVERLAPS) 292/321 variables, 11/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :6 after 24
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :24 after 52
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :52 after 115
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 292/333 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/321 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 842/1163 variables, 321/654 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1163 variables, 0/654 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 1/1164 variables, 1/655 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :115 after 355244
At refinement iteration 11 (INCLUDED_ONLY) 0/1164 variables, 0/655 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :355244 after 357874
At refinement iteration 12 (OVERLAPS) 0/1164 variables, 0/655 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1164/1164 variables, and 655 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1275 ms.
Refiners :[Domain max(s): 321/321 constraints, Positive P Invariants (semi-flows): 12/12 constraints, State Equation: 321/321 constraints, ReadFeed: 1/1 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) 27/29 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/29 variables, 27/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/29 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 292/321 variables, 11/41 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/321 variables, 292/333 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :357874 after 429761
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :429761 after 2.2546e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/321 variables, 3/336 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/321 variables, 0/336 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :2.2546e+06 after 7.48105e+07
Problem smplace_317 is UNSAT
FORMULA StableMarking TRUE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST SMT_REFINEMENT BESTFIRST_WALK TOPOLOGICAL
SMT process timed out in 3729ms, After SMT, problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 2 out of 321 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 321/321 places, 844/844 transitions.
Graph (complete) has 1181 edges and 321 vertex of which 314 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.17 ms
Discarding 7 places :
Also discarding 7 output transitions
Drop transitions (Output transitions of discarded places.) removed 7 transitions
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 143 transitions
Trivial Post-agglo rules discarded 143 transitions
Performed 143 trivial Post agglomeration. Transition count delta: 143
Iterating post reduction 0 with 145 rules applied. Total rules applied 146 place count 314 transition count 692
Reduce places removed 143 places and 0 transitions.
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 1 with 185 rules applied. Total rules applied 331 place count 171 transition count 650
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 2 with 24 rules applied. Total rules applied 355 place count 147 transition count 650
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 6 Pre rules applied. Total rules applied 355 place count 147 transition count 644
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 3 with 12 rules applied. Total rules applied 367 place count 141 transition count 644
Discarding 28 places :
Symmetric choice reduction at 3 with 28 rule applications. Total rules 395 place count 113 transition count 616
Iterating global reduction 3 with 28 rules applied. Total rules applied 423 place count 113 transition count 616
Ensure Unique test removed 196 transitions
Reduce isomorphic transitions removed 196 transitions.
Iterating post reduction 3 with 196 rules applied. Total rules applied 619 place count 113 transition count 420
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 619 place count 113 transition count 418
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 623 place count 111 transition count 418
Discarding 8 places :
Symmetric choice reduction at 4 with 8 rule applications. Total rules 631 place count 103 transition count 368
Iterating global reduction 4 with 8 rules applied. Total rules applied 639 place count 103 transition count 368
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 4 with 14 rules applied. Total rules applied 653 place count 103 transition count 354
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 5 with 7 rules applied. Total rules applied 660 place count 96 transition count 354
Performed 33 Post agglomeration using F-continuation condition.Transition count delta: 33
Deduced a syphon composed of 33 places in 2 ms
Reduce places removed 33 places and 0 transitions.
Iterating global reduction 6 with 66 rules applied. Total rules applied 726 place count 63 transition count 321
Discarding 7 places :
Symmetric choice reduction at 6 with 7 rule applications. Total rules 733 place count 56 transition count 265
Iterating global reduction 6 with 7 rules applied. Total rules applied 740 place count 56 transition count 265
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 741 place count 56 transition count 264
Free-agglomeration rule applied 7 times.
Iterating global reduction 6 with 7 rules applied. Total rules applied 748 place count 56 transition count 257
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 6 with 7 rules applied. Total rules applied 755 place count 49 transition count 257
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 7 with 2 rules applied. Total rules applied 757 place count 49 transition count 257
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 7 with 1 rules applied. Total rules applied 758 place count 48 transition count 256
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 759 place count 47 transition count 256
Applied a total of 759 rules in 430 ms. Remains 47 /321 variables (removed 274) and now considering 256/844 (removed 588) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 464 ms. Remains : 47/321 places, 256/844 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 6590 ms.

BK_STOP 1779472793421

--------------------
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-07b"
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-07b, 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-177946789500068"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

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