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-177955811000218.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-08b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811000218
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 652K
-rw-r--r-- 1 mcc users 7.5K Mar 7 05:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K Mar 7 05:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Mar 7 05:26 CTLFireability.txt
-rw-r--r-- 1 mcc users 34K Mar 7 05:26 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.8K Mar 15 10:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Mar 15 10:11 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 10:11 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 10:11 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Mar 7 05:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Mar 7 05:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 7 05:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 7 05:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:11 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 241K 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 1779617728218

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-08b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 10:15:30] [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 10:15:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:15:31] [INFO ] Load time of PNML (sax parser for PT used): 288 ms
[2026-05-24 10:15:31] [INFO ] Transformed 920 places.
[2026-05-24 10:15:31] [INFO ] Transformed 1057 transitions.
[2026-05-24 10:15:31] [INFO ] Found NUPN structural information;
[2026-05-24 10:15:31] [INFO ] Parsed PT model containing 920 places and 1057 transitions and 2627 arcs in 553 ms.
Graph (trivial) has 894 edges and 920 vertex of which 50 / 920 are part of one of the 8 SCC in 24 ms
Free SCC test removed 42 places
Structural test allowed to assert that 262 places are NOT stable. Took 72 ms.
Ensure Unique test removed 43 transitions
Reduce redundant transitions removed 43 transitions.
[2026-05-24 10:15:33] [INFO ] Flatten gal took : 209 ms
[2026-05-24 10:15:33] [INFO ] Flatten gal took : 154 ms
[2026-05-24 10:15:33] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4703851296360846759.gal : 89 ms
[2026-05-24 10:15:33] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4078763394514962019.prop : 12 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/ReachabilityCardinality4703851296360846759.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4078763394514962019.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
RANDOM walk for 40000 steps (834 resets) in 5705 ms. (7 steps per ms) remains 524/658 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 524/524 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 524/524 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
Loading property file /tmp/ReachabilityCardinality4078763394514962019.prop.
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 120 steps (8 resets) in 10 ms. (10 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 6 ms. (17 steps per ms) remains 524/524 properties
BEST_FIRST walk for 124 steps (8 resets) in 11 ms. (10 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 6 ms. (17 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 524/524 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 524/524 properties
BEST_FIRST walk for 122 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
BEST_FIRST walk for 123 steps (8 resets) in 7 ms. (15 steps per ms) remains 524/524 properties
[2026-05-24 10:15:33] [INFO ] Flow matrix only has 1007 transitions (discarded 7 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10685518440606526215.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4011288910872917555.kers'
[2026-05-24 10:15:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10685518440606526215.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4011288910872917555.kers]
Normalized transition count is 1006 out of 1007 initially.
Culled 0 columns in 1 ms.
// Phase 1: matrix 1006 rows 878 cols 2525 entries
Finished phase 1 with 868 SingleSign rule and 0 generalized
[2026-05-24 10:15:33] [INFO ] Computed 10 invariants in 9 ms
Computed 10 P flows in 10 ms.
Exported basis to /tmp/petrispot-output-4011288910872917555.kers
Total runtime 12 ms.
[2026-05-24 10:15:33] [INFO ] State equation strengthened by 1 read => feed constraints.
SDD proceeding with computation,658 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,658 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,658 properties remain. new max is 16
SDD size :10 after 23
SDD proceeding with computation,658 properties remain. new max is 32
SDD size :23 after 27
SDD proceeding with computation,658 properties remain. new max is 64
SDD size :27 after 369
SDD proceeding with computation,658 properties remain. new max is 128
SDD size :369 after 103191
SDD proceeding with computation,658 properties remain. new max is 256
SDD size :103191 after 4.47001e+07
At refinement iteration 0 (INCLUDED_ONLY) 0/524 variables, 524/524 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 524/1885 variables, and 524 constraints, problems are : Problem set: 0 solved, 524 unsolved in 5148 ms.
Refiners :[Domain max(s): 524/878 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/878 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 524/524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 524 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/524 variables, 524/524 constraints. Problems are: Problem set: 0 solved, 524 unsolved
Error getting values : (error "Timeout of Z3 solver reached")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 524/1885 variables, and 524 constraints, problems are : Problem set: 0 solved, 524 unsolved in 5041 ms.
Refiners :[Domain max(s): 524/878 constraints, Positive P Invariants (semi-flows): 0/10 constraints, State Equation: 0/878 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/524 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10562ms problems are : Problem set: 0 solved, 524 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 524 out of 878 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 878/878 places, 1014/1014 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 85 transitions
Trivial Post-agglo rules discarded 85 transitions
Performed 85 trivial Post agglomeration. Transition count delta: 85
Iterating post reduction 0 with 93 rules applied. Total rules applied 93 place count 878 transition count 921
Reduce places removed 85 places and 0 transitions.
Iterating post reduction 1 with 85 rules applied. Total rules applied 178 place count 793 transition count 921
Discarding 28 places :
Symmetric choice reduction at 2 with 28 rule applications. Total rules 206 place count 765 transition count 893
Iterating global reduction 2 with 28 rules applied. Total rules applied 234 place count 765 transition count 893
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 238 place count 761 transition count 889
Iterating global reduction 2 with 4 rules applied. Total rules applied 242 place count 761 transition count 889
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: 39
Deduced a syphon composed of 39 places in 1 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 2 with 78 rules applied. Total rules applied 320 place count 722 transition count 850
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 2 with 9 rules applied. Total rules applied 329 place count 722 transition count 841
Free-agglomeration rule applied 163 times.
Iterating global reduction 3 with 163 rules applied. Total rules applied 492 place count 722 transition count 678
Reduce places removed 163 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 3 with 168 rules applied. Total rules applied 660 place count 559 transition count 673
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 661 place count 558 transition count 672
Applied a total of 661 rules in 562 ms. Remains 558 /878 variables (removed 320) and now considering 672/1014 (removed 342) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 577 ms. Remains : 558/878 places, 672/1014 transitions.
RANDOM walk for 102925 steps (0 resets) in 3520 ms. (29 steps per ms) remains 0/524 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 660 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 15197 ms.

BK_STOP 1779617746213

--------------------
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-08b"
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-08b, 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-177955811000218"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-08b.tgz
mv FlexibleBarrier-PT-08b 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 ;