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.r136-smll-177955811100268.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 FlexibleBarrier-PT-18b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811100268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 6.3K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 59K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Mar 15 10:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:15 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:15 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.3K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:15 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:15 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 1.2M 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 1779618493833

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-18b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 10:28:15] [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]
[2026-05-24 10:28:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:28:16] [INFO ] Load time of PNML (sax parser for PT used): 495 ms
[2026-05-24 10:28:16] [INFO ] Transformed 4370 places.
[2026-05-24 10:28:16] [INFO ] Transformed 5037 transitions.
[2026-05-24 10:28:16] [INFO ] Found NUPN structural information;
[2026-05-24 10:28:16] [INFO ] Parsed PT model containing 4370 places and 5037 transitions and 12657 arcs in 729 ms.
Graph (trivial) has 4314 edges and 4370 vertex of which 110 / 4370 are part of one of the 18 SCC in 27 ms
Free SCC test removed 92 places
Structural test allowed to assert that 1112 places are NOT stable. Took 109 ms.
Ensure Unique test removed 93 transitions
Reduce redundant transitions removed 93 transitions.
[2026-05-24 10:28:18] [INFO ] Flatten gal took : 929 ms
[2026-05-24 10:28:19] [INFO ] Flatten gal took : 463 ms
[2026-05-24 10:28:19] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6110626642515893335.gal : 326 ms
[2026-05-24 10:28:19] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1683422418311639463.prop : 30 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/ReachabilityCardinality6110626642515893335.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1683422418311639463.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 ...328
Loading property file /tmp/ReachabilityCardinality1683422418311639463.prop.
RANDOM walk for 40000 steps (455 resets) in 18831 ms. (2 steps per ms) remains 3045/3258 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 124 steps (8 resets) in 23 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 17 ms. (6 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 120 steps (8 resets) in 62 ms. (1 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 42 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 120 steps (8 resets) in 15 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 47 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 44 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 63 ms. (1 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 63 ms. (1 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 40 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 35 ms. (3 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 124 steps (8 resets) in 44 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 124 steps (8 resets) in 33 ms. (3 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 124 steps (8 resets) in 20 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 33 ms. (3 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 40 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 32 ms. (3 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 120 steps (8 resets) in 18 ms. (6 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 120 steps (8 resets) in 22 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 44 ms. (2 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 124 steps (8 resets) in 28 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 29 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 27 ms. (4 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 34 ms. (3 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 20 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 3045/3045 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 3045/3045 properties
Probabilistic random walk after 30000 steps, saw 12961 distinct states, run finished after 6414 ms. (steps per millisecond=4 ) properties seen :0
[2026-05-24 10:28:29] [INFO ] Flow matrix only has 4927 transitions (discarded 17 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-3029940341341941248.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5183299512505664086.kers'
[2026-05-24 10:28:29] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3029940341341941248.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5183299512505664086.kers]
Normalized transition count is 4926 out of 4927 initially.
Culled 0 columns in 4 ms.
// Phase 1: matrix 4926 rows 4278 cols 12435 entries
Finished phase 1 with 4258 SingleSign rule and 0 generalized
[2026-05-24 10:28:29] [INFO ] Computed 20 invariants in 34 ms
Computed 20 P flows in 37 ms.
Exported basis to /tmp/petrispot-output-5183299512505664086.kers
Total runtime 43 ms.
[2026-05-24 10:28:29] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3045 variables, 3045/3045 constraints. Problems are: Problem set: 0 solved, 3045 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3045/9205 variables, and 3045 constraints, problems are : Problem set: 0 solved, 3045 unsolved in 5232 ms.
Refiners :[Domain max(s): 3045/4278 constraints, Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/4278 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 3045/3045 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3045 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3045 variables, 3045/3045 constraints. Problems are: Problem set: 0 solved, 3045 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3045/9205 variables, and 3045 constraints, problems are : Problem set: 0 solved, 3045 unsolved in 5210 ms.
Refiners :[Domain max(s): 3045/4278 constraints, Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/4278 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/3045 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12756ms problems are : Problem set: 0 solved, 3045 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3045 out of 4278 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 4278/4278 places, 4944/4944 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 150 transitions
Trivial Post-agglo rules discarded 150 transitions
Performed 150 trivial Post agglomeration. Transition count delta: 150
Iterating post reduction 0 with 168 rules applied. Total rules applied 168 place count 4278 transition count 4776
Reduce places removed 150 places and 0 transitions.
Iterating post reduction 1 with 150 rules applied. Total rules applied 318 place count 4128 transition count 4776
Discarding 28 places :
Symmetric choice reduction at 2 with 28 rule applications. Total rules 346 place count 4100 transition count 4748
Iterating global reduction 2 with 28 rules applied. Total rules applied 374 place count 4100 transition count 4748
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 376 place count 4098 transition count 4746
Iterating global reduction 2 with 2 rules applied. Total rules applied 378 place count 4098 transition count 4746
Performed 73 Post agglomeration using F-continuation condition.Transition count delta: 73
Deduced a syphon composed of 73 places in 3 ms
Reduce places removed 73 places and 0 transitions.
Iterating global reduction 2 with 146 rules applied. Total rules applied 524 place count 4025 transition count 4673
Drop transitions (Empty/Sink Transition effects.) removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 2 with 13 rules applied. Total rules applied 537 place count 4025 transition count 4660
Free-agglomeration rule applied 903 times.
Iterating global reduction 3 with 903 rules applied. Total rules applied 1440 place count 4025 transition count 3757
Reduce places removed 903 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 906 rules applied. Total rules applied 2346 place count 3122 transition count 3754
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 2347 place count 3122 transition count 3754
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 2348 place count 3122 transition count 3753
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 5 with 3 rules applied. Total rules applied 2351 place count 3122 transition count 3753
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2352 place count 3121 transition count 3752
Applied a total of 2352 rules in 2795 ms. Remains 3121 /4278 variables (removed 1157) and now considering 3752/4944 (removed 1192) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2808 ms. Remains : 3121/4278 places, 3752/4944 transitions.
RANDOM walk for 885267 steps (0 resets) in 60014 ms. (14 steps per ms) remains 0/3045 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 3260 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 44737 ms.

BK_STOP 1779618540780

--------------------
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="FlexibleBarrier-PT-18b"
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 FlexibleBarrier-PT-18b, 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 r136-smll-177955811100268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-18b.tgz
mv FlexibleBarrier-PT-18b 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 ;