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-177955812600228.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-10b, examination is StableMarking
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r144-smll-177955812600228
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 804K
-rw-r--r-- 1 mcc users 7.6K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K 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 3.5K Mar 15 10:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Mar 15 10:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 10:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.3K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:12 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 374K 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 1779636257804

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=StableMarking
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=FlexibleBarrier-PT-10b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
StableMarking PT
Running Version 202505121319
[2026-05-24 15:24:20] [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 15:24:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 15:24:20] [INFO ] Load time of PNML (sax parser for PT used): 261 ms
[2026-05-24 15:24:20] [INFO ] Transformed 1402 places.
[2026-05-24 15:24:20] [INFO ] Transformed 1613 transitions.
[2026-05-24 15:24:20] [INFO ] Found NUPN structural information;
[2026-05-24 15:24:20] [INFO ] Parsed PT model containing 1402 places and 1613 transitions and 4025 arcs in 489 ms.
Graph (trivial) has 1370 edges and 1402 vertex of which 62 / 1402 are part of one of the 10 SCC in 18 ms
Free SCC test removed 52 places
Structural test allowed to assert that 384 places are NOT stable. Took 90 ms.
Ensure Unique test removed 53 transitions
Reduce redundant transitions removed 53 transitions.
[2026-05-24 15:24:22] [INFO ] Flatten gal took : 441 ms
[2026-05-24 15:24:22] [INFO ] Flatten gal took : 120 ms
[2026-05-24 15:24:22] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12949138826993619747.gal : 165 ms
[2026-05-24 15:24:22] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14224002262186228832.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/ReachabilityCardinality12949138826993619747.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14224002262186228832.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
RANDOM walk for 40000 steps (710 resets) in 7590 ms. (5 steps per ms) remains 871/1018 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 38 ms. (3 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 30 ms. (3 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 871/871 properties
Loading property file /tmp/ReachabilityCardinality14224002262186228832.prop.
BEST_FIRST walk for 121 steps (8 resets) in 16 ms. (7 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 14 ms. (8 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 17 ms. (6 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 17 ms. (6 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 23 ms. (5 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 22 ms. (5 steps per ms) remains 871/871 properties
BEST_FIRST walk for 124 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 871/871 properties
BEST_FIRST walk for 124 steps (8 resets) in 12 ms. (9 steps per ms) remains 871/871 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 124 steps (8 resets) in 7 ms. (15 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 871/871 properties
BEST_FIRST walk for 124 steps (8 resets) in 10 ms. (11 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 15 ms. (7 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 124 steps (8 resets) in 13 ms. (8 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 14 ms. (8 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 12 ms. (9 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 11 ms. (10 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 12 ms. (9 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 871/871 properties
BEST_FIRST walk for 120 steps (8 resets) in 7 ms. (15 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 12 ms. (9 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 6 ms. (17 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 871/871 properties
BEST_FIRST walk for 120 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 121 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 120 steps (8 resets) in 11 ms. (10 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 13 ms. (8 steps per ms) remains 871/871 properties
BEST_FIRST walk for 123 steps (8 resets) in 8 ms. (13 steps per ms) remains 871/871 properties
BEST_FIRST walk for 124 steps (8 resets) in 9 ms. (12 steps per ms) remains 871/871 properties
BEST_FIRST walk for 122 steps (8 resets) in 10 ms. (11 steps per ms) remains 871/871 properties
[2026-05-24 15:24:23] [INFO ] Flow matrix only has 1551 transitions (discarded 9 similar events)
// Phase 1: matrix 1551 rows 1350 cols
[2026-05-24 15:24:23] [INFO ] Computed 12 invariants in 54 ms
[2026-05-24 15:24:23] [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,1018 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1018 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1018 properties remain. new max is 16
SDD size :10 after 33
SDD proceeding with computation,1018 properties remain. new max is 32
SDD size :33 after 539
At refinement iteration 0 (INCLUDED_ONLY) 0/871 variables, 871/871 constraints. Problems are: Problem set: 0 solved, 871 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 871/2901 variables, and 871 constraints, problems are : Problem set: 0 solved, 871 unsolved in 5174 ms.
Refiners :[Domain max(s): 871/1350 constraints, Positive P Invariants (semi-flows): 0/12 constraints, State Equation: 0/1350 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 871/871 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 871 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,1018 properties remain. new max is 64
SDD size :539 after 12199
SDD proceeding with computation,1018 properties remain. new max is 128
SDD size :12199 after 6.44907e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/871 variables, 871/871 constraints. Problems are: Problem set: 0 solved, 871 unsolved
SDD proceeding with computation,1018 properties remain. new max is 256
SDD size :6.44907e+06 after 7.84658e+10
SDD proceeding with computation,1018 properties remain. new max is 512
SDD size :7.84658e+10 after 4.33131e+13
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 871/2901 variables, and 871 constraints, problems are : Problem set: 0 solved, 871 unsolved in 5053 ms.
Refiners :[Domain max(s): 871/1350 constraints, Positive P Invariants (semi-flows): 0/12 constraints, State Equation: 0/1350 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 0/871 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10797ms problems are : Problem set: 0 solved, 871 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 871 out of 1350 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1350/1350 places, 1560/1560 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 96 transitions
Trivial Post-agglo rules discarded 96 transitions
Performed 96 trivial Post agglomeration. Transition count delta: 96
Iterating post reduction 0 with 106 rules applied. Total rules applied 106 place count 1350 transition count 1454
Reduce places removed 96 places and 0 transitions.
Iterating post reduction 1 with 96 rules applied. Total rules applied 202 place count 1254 transition count 1454
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 202 place count 1254 transition count 1453
Deduced a syphon composed of 1 places in 6 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 204 place count 1253 transition count 1453
Discarding 28 places :
Symmetric choice reduction at 2 with 28 rule applications. Total rules 232 place count 1225 transition count 1425
Iterating global reduction 2 with 28 rules applied. Total rules applied 260 place count 1225 transition count 1425
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 263 place count 1222 transition count 1422
Iterating global reduction 2 with 3 rules applied. Total rules applied 266 place count 1222 transition count 1422
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 267 place count 1222 transition count 1421
Performed 45 Post agglomeration using F-continuation condition.Transition count delta: 45
Deduced a syphon composed of 45 places in 3 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 3 with 90 rules applied. Total rules applied 357 place count 1177 transition count 1376
Drop transitions (Empty/Sink Transition effects.) removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 366 place count 1177 transition count 1367
Free-agglomeration rule applied 262 times.
Iterating global reduction 4 with 262 rules applied. Total rules applied 628 place count 1177 transition count 1105
Reduce places removed 262 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 4 with 266 rules applied. Total rules applied 894 place count 915 transition count 1101
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 895 place count 915 transition count 1101
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 896 place count 914 transition count 1100
Applied a total of 896 rules in 902 ms. Remains 914 /1350 variables (removed 436) and now considering 1100/1560 (removed 460) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 922 ms. Remains : 914/1350 places, 1100/1560 transitions.
RANDOM walk for 206516 steps (0 resets) in 6808 ms. (30 steps per ms) remains 0/871 properties
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query StableMarking after proving 1020 properties.
FORMULA StableMarking FALSE TECHNIQUES RANDOM_WALK MARKED_SUFFIX_TEST TRIVIAL_UNMARKED_SCC_TEST TOPOLOGICAL
Total runtime 17105 ms.

BK_STOP 1779636277594

--------------------
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-10b"
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-10b, 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-177955812600228"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-10b.tgz
mv FlexibleBarrier-PT-10b 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 ;