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.r144-smll-177955812600268.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 gold2025
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 r144-smll-177955812600268
=====================================================================

--------------------
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 1779636881681

Invoking MCC driver with
GOLD_TOOL=
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 202505121319
[2026-05-24 15:34:44] [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 15:34:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:34:44] [INFO ] Load time of PNML (sax parser for PT used): 609 ms
[2026-05-24 15:34:44] [INFO ] Transformed 4370 places.
[2026-05-24 15:34:44] [INFO ] Transformed 5037 transitions.
[2026-05-24 15:34:44] [INFO ] Found NUPN structural information;
[2026-05-24 15:34:44] [INFO ] Parsed PT model containing 4370 places and 5037 transitions and 12657 arcs in 910 ms.
Graph (trivial) has 4314 edges and 4370 vertex of which 110 / 4370 are part of one of the 18 SCC in 33 ms
Free SCC test removed 92 places
Structural test allowed to assert that 1112 places are NOT stable. Took 142 ms.
Ensure Unique test removed 93 transitions
Reduce redundant transitions removed 93 transitions.
[2026-05-24 15:34:47] [INFO ] Flatten gal took : 945 ms
[2026-05-24 15:34:47] [INFO ] Flatten gal took : 371 ms
[2026-05-24 15:34:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12595788812625554175.gal : 269 ms
[2026-05-24 15:34:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16888897578361224592.prop : 41 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12595788812625554175.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16888897578361224592.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality16888897578361224592.prop.
RANDOM walk for 40000 steps (457 resets) in 16482 ms. (2 steps per ms) remains 3044/3258 properties
BEST_FIRST walk for 122 steps (8 resets) in 26 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 28 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 31 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 84 ms. (1 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 124 steps (8 resets) in 86 ms. (1 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 55 ms. (2 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 27 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 124 steps (8 resets) in 42 ms. (2 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 28 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 31 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 27 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 22 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 123 steps (8 resets) in 26 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 124 steps (8 resets) in 38 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 29 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 32 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 123 steps (8 resets) in 28 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 45 ms. (2 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 34 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 123 steps (8 resets) in 30 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 26 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 123 steps (8 resets) in 35 ms. (3 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 120 steps (8 resets) in 40 ms. (2 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 24 ms. (4 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 20 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 20 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 19 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 74 ms. (1 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 124 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 18 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 124 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 19 ms. (6 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 123 steps (8 resets) in 16 ms. (7 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 16 ms. (7 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 120 steps (8 resets) in 21 ms. (5 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 120 steps (8 resets) in 16 ms. (7 steps per ms) remains 3044/3044 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 3044/3044 properties
Probabilistic random walk after 30000 steps, saw 12961 distinct states, run finished after 5032 ms. (steps per millisecond=5 ) properties seen :0
[2026-05-24 15:34:55] [INFO ] Flow matrix only has 4927 transitions (discarded 17 similar events)
// Phase 1: matrix 4927 rows 4278 cols
[2026-05-24 15:34:55] [INFO ] Computed 20 invariants in 200 ms
[2026-05-24 15:34:56] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3044 variables, 3044/3044 constraints. Problems are: Problem set: 0 solved, 3044 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3044/9205 variables, and 3044 constraints, problems are : Problem set: 0 solved, 3044 unsolved in 5475 ms.
Refiners :[Domain max(s): 3044/4278 constraints, Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/4278 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 3044/3044 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3044 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3044 variables, 3044/3044 constraints. Problems are: Problem set: 0 solved, 3044 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 3044/9205 variables, and 3044 constraints, problems are : Problem set: 0 solved, 3044 unsolved in 5098 ms.
Refiners :[Domain max(s): 3044/4278 constraints, Positive P Invariants (semi-flows): 0/20 constraints, State Equation: 0/4278 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/3044 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12989ms problems are : Problem set: 0 solved, 3044 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 3044 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 149 transitions
Trivial Post-agglo rules discarded 149 transitions
Performed 149 trivial Post agglomeration. Transition count delta: 149
Iterating post reduction 0 with 167 rules applied. Total rules applied 167 place count 4278 transition count 4777
Reduce places removed 149 places and 0 transitions.
Iterating post reduction 1 with 149 rules applied. Total rules applied 316 place count 4129 transition count 4777
Discarding 28 places :
Symmetric choice reduction at 2 with 28 rule applications. Total rules 344 place count 4101 transition count 4749
Iterating global reduction 2 with 28 rules applied. Total rules applied 372 place count 4101 transition count 4749
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 374 place count 4099 transition count 4747
Iterating global reduction 2 with 2 rules applied. Total rules applied 376 place count 4099 transition count 4747
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 3 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 2 with 144 rules applied. Total rules applied 520 place count 4027 transition count 4675
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 532 place count 4027 transition count 4663
Free-agglomeration rule applied 903 times.
Iterating global reduction 3 with 903 rules applied. Total rules applied 1435 place count 4027 transition count 3760
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 2341 place count 3124 transition count 3757
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 2342 place count 3124 transition count 3757
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 2343 place count 3124 transition count 3756
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 2347 place count 3124 transition count 3756
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 2348 place count 3123 transition count 3755
Applied a total of 2348 rules in 2200 ms. Remains 3123 /4278 variables (removed 1155) and now considering 3755/4944 (removed 1189) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2212 ms. Remains : 3123/4278 places, 3755/4944 transitions.
RANDOM walk for 969850 steps (0 resets) in 62372 ms. (15 steps per ms) remains 0/3044 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 45527 ms.

BK_STOP 1779636929609

--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="gold2025"
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 gold2025"
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 r144-smll-177955812600268"
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 ;