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-177955812600238.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 gold2025
Input is FlexibleBarrier-PT-12b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812600238
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1008K
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:52 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K Mar 7 05:52 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 7 05:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 54K Mar 7 05:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 10:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 7 05:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 148K Mar 7 05:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 7 05:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 7 05:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 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 536K 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 1779636380110

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-12b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-24 15:26:22] [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 15:26:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:26:23] [INFO ] Load time of PNML (sax parser for PT used): 378 ms
[2026-05-24 15:26:23] [INFO ] Transformed 1988 places.
[2026-05-24 15:26:23] [INFO ] Transformed 2289 transitions.
[2026-05-24 15:26:23] [INFO ] Found NUPN structural information;
[2026-05-24 15:26:23] [INFO ] Parsed PT model containing 1988 places and 2289 transitions and 5727 arcs in 630 ms.
Graph (trivial) has 1950 edges and 1988 vertex of which 74 / 1988 are part of one of the 12 SCC in 18 ms
Free SCC test removed 62 places
Structural test allowed to assert that 530 places are NOT stable. Took 92 ms.
Ensure Unique test removed 63 transitions
Reduce redundant transitions removed 63 transitions.
[2026-05-24 15:26:25] [INFO ] Flatten gal took : 628 ms
[2026-05-24 15:26:25] [INFO ] Flatten gal took : 144 ms
[2026-05-24 15:26:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2126377612794548240.gal : 195 ms
[2026-05-24 15:26:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12077032432870710160.prop : 25 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/ReachabilityCardinality2126377612794548240.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12077032432870710160.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 ...329
Loading property file /tmp/ReachabilityCardinality12077032432870710160.prop.
RANDOM walk for 40000 steps (622 resets) in 10293 ms. (3 steps per ms) remains 1299/1458 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 13 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 120 steps (8 resets) in 9 ms. (12 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 9 ms. (12 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 120 steps (8 resets) in 13 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 9 ms. (12 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 18 ms. (6 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 17 ms. (6 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 13 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 15 ms. (7 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 14 ms. (8 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 124 steps (8 resets) in 29 ms. (4 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 1299/1299 properties
BEST_FIRST walk for 123 steps (8 resets) in 10 ms. (11 steps per ms) remains 1299/1299 properties
[2026-05-24 15:26:26] [INFO ] Flow matrix only has 2215 transitions (discarded 11 similar events)
// Phase 1: matrix 2215 rows 1926 cols
[2026-05-24 15:26:27] [INFO ] Computed 14 invariants in 64 ms
[2026-05-24 15:26:27] [INFO ] State equation strengthened by 1 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1458 properties remain. new max is 4
SDD size :1 after 5
At refinement iteration 0 (INCLUDED_ONLY) 0/1299 variables, 1299/1299 constraints. Problems are: Problem set: 0 solved, 1299 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1299/4141 variables, and 1299 constraints, problems are : Problem set: 0 solved, 1299 unsolved in 5266 ms.
Refiners :[Domain max(s): 1299/1926 constraints, Positive P Invariants (semi-flows): 0/14 constraints, State Equation: 0/1926 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 1299/1299 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1299 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1458 properties remain. new max is 8
SDD size :5 after 10
At refinement iteration 0 (INCLUDED_ONLY) 0/1299 variables, 1299/1299 constraints. Problems are: Problem set: 0 solved, 1299 unsolved
SDD proceeding with computation,1458 properties remain. new max is 16
SDD size :10 after 39
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1299/4141 variables, and 1299 constraints, problems are : Problem set: 0 solved, 1299 unsolved in 5056 ms.
Refiners :[Domain max(s): 1299/1926 constraints, Positive P Invariants (semi-flows): 0/14 constraints, State Equation: 0/1926 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/1299 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 11256ms problems are : Problem set: 0 solved, 1299 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1299 out of 1926 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1926/1926 places, 2226/2226 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 109 transitions
Trivial Post-agglo rules discarded 109 transitions
Performed 109 trivial Post agglomeration. Transition count delta: 109
Iterating post reduction 0 with 121 rules applied. Total rules applied 121 place count 1926 transition count 2105
Reduce places removed 109 places and 0 transitions.
Iterating post reduction 1 with 109 rules applied. Total rules applied 230 place count 1817 transition count 2105
SDD proceeding with computation,1458 properties remain. new max is 32
SDD size :39 after 741
Discarding 24 places :
Symmetric choice reduction at 2 with 24 rule applications. Total rules 254 place count 1793 transition count 2081
Iterating global reduction 2 with 24 rules applied. Total rules applied 278 place count 1793 transition count 2081
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 280 place count 1791 transition count 2079
Iterating global reduction 2 with 2 rules applied. Total rules applied 282 place count 1791 transition count 2079
Performed 53 Post agglomeration using F-continuation condition.Transition count delta: 53
Deduced a syphon composed of 53 places in 2 ms
Reduce places removed 53 places and 0 transitions.
Iterating global reduction 2 with 106 rules applied. Total rules applied 388 place count 1738 transition count 2026
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 399 place count 1738 transition count 2015
Free-agglomeration rule applied 387 times.
Iterating global reduction 3 with 387 rules applied. Total rules applied 786 place count 1738 transition count 1628
Reduce places removed 387 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 390 rules applied. Total rules applied 1176 place count 1351 transition count 1625
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 1177 place count 1351 transition count 1625
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 1178 place count 1350 transition count 1624
Applied a total of 1178 rules in 1133 ms. Remains 1350 /1926 variables (removed 576) and now considering 1624/2226 (removed 602) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1145 ms. Remains : 1350/1926 places, 1624/2226 transitions.
SDD proceeding with computation,1458 properties remain. new max is 64
SDD size :741 after 19721
SDD proceeding with computation,1458 properties remain. new max is 128
SDD size :19721 after 1.43694e+07
RANDOM walk for 350473 steps (0 resets) in 14066 ms. (24 steps per ms) remains 0/1299 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 1460 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 20830 ms.

BK_STOP 1779636403595

--------------------
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-12b"
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-12b, 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-177955812600238"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-12b.tgz
mv FlexibleBarrier-PT-12b 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 ;