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-177955811100278.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 FlexibleBarrier-PT-20b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r136-smll-177955811100278
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.9M
-rw-r--r-- 1 mcc users 7.2K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K 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 4.1K Mar 15 10:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:15 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K 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 8.2K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 77K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K 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 3.8K 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 1.5M 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 1779618805968

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-20b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202604301425
[2026-05-24 10:33:27] [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 10:33:27] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 10:33:28] [INFO ] Load time of PNML (sax parser for PT used): 479 ms
[2026-05-24 10:33:28] [INFO ] Transformed 5372 places.
[2026-05-24 10:33:28] [INFO ] Transformed 6193 transitions.
[2026-05-24 10:33:28] [INFO ] Found NUPN structural information;
[2026-05-24 10:33:28] [INFO ] Parsed PT model containing 5372 places and 6193 transitions and 15575 arcs in 702 ms.
Graph (trivial) has 5310 edges and 5372 vertex of which 122 / 5372 are part of one of the 20 SCC in 53 ms
Free SCC test removed 102 places
Structural test allowed to assert that 1354 places are NOT stable. Took 131 ms.
Ensure Unique test removed 103 transitions
Reduce redundant transitions removed 103 transitions.
[2026-05-24 10:33:30] [INFO ] Flatten gal took : 1021 ms
[2026-05-24 10:33:31] [INFO ] Flatten gal took : 435 ms
[2026-05-24 10:33:31] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17382448560643812148.gal : 216 ms
[2026-05-24 10:33:31] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11332581491157783047.prop : 74 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/ReachabilityCardinality17382448560643812148.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11332581491157783047.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 ...330
Loading property file /tmp/ReachabilityCardinality11332581491157783047.prop.
RANDOM walk for 40000 steps (418 resets) in 18873 ms. (2 steps per ms) remains 3805/4018 properties
BEST_FIRST walk for 123 steps (8 resets) in 32 ms. (3 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 70 ms. (1 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 99 ms. (1 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 70 ms. (1 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 120 steps (8 resets) in 37 ms. (3 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 120 steps (8 resets) in 37 ms. (3 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 30 ms. (3 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 35 ms. (3 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 24 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 120 steps (8 resets) in 19 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 81 ms. (1 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 19 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 28 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 25 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 20 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 18 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 25 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 25 ms. (4 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 120 steps (8 resets) in 20 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 123 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 23 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 124 steps (8 resets) in 21 ms. (5 steps per ms) remains 3805/3805 properties
BEST_FIRST walk for 124 steps (8 resets) in 16 ms. (7 steps per ms) remains 3805/3805 properties
Probabilistic random walk after 30001 steps, saw 13741 distinct states, run finished after 5845 ms. (steps per millisecond=5 ) properties seen :0
[2026-05-24 10:33:40] [INFO ] Flow matrix only has 6071 transitions (discarded 19 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-858279867712933758.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15493918877957510997.kers'
[2026-05-24 10:33:40] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-858279867712933758.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15493918877957510997.kers]
Normalized transition count is 6070 out of 6071 initially.
Culled 0 columns in 6 ms.
// Phase 1: matrix 6070 rows 5270 cols 15329 entries
Finished phase 1 with 5248 SingleSign rule and 0 generalized
[2026-05-24 10:33:40] [INFO ] Computed 22 invariants in 57 ms
Computed 22 P flows in 59 ms.
Exported basis to /tmp/petrispot-output-15493918877957510997.kers
Total runtime 66 ms.
[2026-05-24 10:33:40] [INFO ] State equation strengthened by 1 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3805 variables, 3805/3805 constraints. Problems are: Problem set: 0 solved, 3805 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3805/11341 variables, and 3805 constraints, problems are : Problem set: 0 solved, 3805 unsolved in 5332 ms.
Refiners :[Domain max(s): 3805/5270 constraints, Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/5270 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 3805/3805 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3805 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3805 variables, 3805/3805 constraints. Problems are: Problem set: 0 solved, 3805 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3805/11341 variables, and 3805 constraints, problems are : Problem set: 0 solved, 3805 unsolved in 5125 ms.
Refiners :[Domain max(s): 3805/5270 constraints, Positive P Invariants (semi-flows): 0/22 constraints, State Equation: 0/5270 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/3805 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 13146ms problems are : Problem set: 0 solved, 3805 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3805 out of 5270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 5270/5270 places, 6090/6090 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 152 transitions
Trivial Post-agglo rules discarded 152 transitions
Performed 152 trivial Post agglomeration. Transition count delta: 152
Iterating post reduction 0 with 172 rules applied. Total rules applied 172 place count 5270 transition count 5918
Reduce places removed 152 places and 0 transitions.
Iterating post reduction 1 with 152 rules applied. Total rules applied 324 place count 5118 transition count 5918
Discarding 22 places :
Symmetric choice reduction at 2 with 22 rule applications. Total rules 346 place count 5096 transition count 5896
Iterating global reduction 2 with 22 rules applied. Total rules applied 368 place count 5096 transition count 5896
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 369 place count 5095 transition count 5895
Iterating global reduction 2 with 1 rules applied. Total rules applied 370 place count 5095 transition count 5895
Performed 74 Post agglomeration using F-continuation condition.Transition count delta: 74
Deduced a syphon composed of 74 places in 3 ms
Reduce places removed 74 places and 0 transitions.
Iterating global reduction 2 with 148 rules applied. Total rules applied 518 place count 5021 transition count 5821
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 527 place count 5021 transition count 5812
Free-agglomeration rule applied 1123 times.
Iterating global reduction 3 with 1123 rules applied. Total rules applied 1650 place count 5021 transition count 4689
Reduce places removed 1123 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 1125 rules applied. Total rules applied 2775 place count 3898 transition count 4687
Partial Free-agglomeration rule applied 6 times.
Drop transitions (Partial Free agglomeration) removed 6 transitions
Iterating global reduction 4 with 6 rules applied. Total rules applied 2781 place count 3898 transition count 4687
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2787 place count 3898 transition count 4681
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 5 with 4 rules applied. Total rules applied 2791 place count 3898 transition count 4681
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2792 place count 3897 transition count 4680
Applied a total of 2792 rules in 2684 ms. Remains 3897 /5270 variables (removed 1373) and now considering 4680/6090 (removed 1410) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2696 ms. Remains : 3897/5270 places, 4680/6090 transitions.
RANDOM walk for 1366024 steps (2 resets) in 100952 ms. (13 steps per ms) remains 0/3805 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 4020 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 55025 ms.

BK_STOP 1779618862962

--------------------
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-20b"
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-20b, 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-177955811100278"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-20b.tgz
mv FlexibleBarrier-PT-20b 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 ;