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.r096-smll-177946996400046.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 DatabaseWithMutex-PT-40, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r096-smll-177946996400046
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 84M
-rw-r--r-- 1 mcc users 2.2M Mar 5 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 8.6M Mar 5 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 1.6M Mar 5 14:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 7.1M Mar 5 14:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 935K Mar 15 08:44 LTLCardinality.txt
-rw-r--r-- 1 mcc users 2.7M Mar 15 08:44 LTLCardinality.xml
-rw-r--r-- 1 mcc users 943K Mar 15 08:44 LTLFireability.txt
-rw-r--r-- 1 mcc users 3.4M Mar 15 08:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.0M Mar 5 14:55 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 12M Mar 5 14:55 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.4M Mar 5 14:52 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 21M Mar 5 14:52 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 146K Mar 15 08:44 UpperBounds.txt
-rw-r--r-- 1 mcc users 346K Mar 15 08:44 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 17M 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1779525611766

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DatabaseWithMutex-PT-40
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityDeadlock PT
Running Version 202505121319
[2026-05-23 08:40:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2026-05-23 08:40:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 08:40:15] [INFO ] Load time of PNML (sax parser for PT used): 1412 ms
[2026-05-23 08:40:15] [INFO ] Transformed 12920 places.
[2026-05-23 08:40:16] [INFO ] Transformed 12800 transitions.
[2026-05-23 08:40:16] [INFO ] Found NUPN structural information;
[2026-05-23 08:40:16] [INFO ] Parsed PT model containing 12920 places and 12800 transitions and 156800 arcs in 1762 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 6 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 26 ms.65134KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 12920/12920 places, 12800/12800 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 3200 transitions
Trivial Post-agglo rules discarded 3200 transitions
Performed 3200 trivial Post agglomeration. Transition count delta: 3200
Iterating post reduction 0 with 3200 rules applied. Total rules applied 3200 place count 12920 transition count 9600
Reduce places removed 3240 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 3200 transitions
Trivial Post-agglo rules discarded 3200 transitions
Performed 3200 trivial Post agglomeration. Transition count delta: 3200
Iterating post reduction 1 with 6440 rules applied. Total rules applied 9640 place count 9680 transition count 6400
Reduce places removed 3200 places and 0 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Iterating post reduction 2 with 3200 rules applied. Total rules applied 12840 place count 6480 transition count 6400
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 1600 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1600 Pre rules applied. Total rules applied 12840 place count 6480 transition count 4800
Renaming transitions due to excessive name length > 1024 char.
Deduced a syphon composed of 1600 places in 5 ms
Reduce places removed 1600 places and 0 transitions.
Iterating global reduction 3 with 3200 rules applied. Total rules applied 16040 place count 4880 transition count 4800
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 16040 rules in 6022 ms. Remains 4880 /12920 variables (removed 8040) and now considering 4800/12800 (removed 8000) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 6043 ms. Remains : 4880/12920 places, 4800/12800 transitions.
Interrupted Random walk after 75435 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 )
Interrupted Random directed walk after 157080 steps, including 0 resets, run timeout after 30012 ms. (steps per millisecond=5 )
// Phase 1: matrix 4800 rows 4880 cols
[2026-05-23 08:41:23] [INFO ] Computed 1680 invariants in 814 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-23 08:41:32] [INFO ] [Real]Absence check using 119 positive place invariants in 4526 ms returned sat
[2026-05-23 08:46:23] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 08:46:23] [INFO ] [Real]Absence check using 119 positive and 1561 generalized place invariants in 290582 ms returned unknown
Interrupted Random directed walk after 139166 steps, including 0 resets, run timeout after 30022 ms. (steps per millisecond=4 )
Interrupted Random walk after 83551 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 )
Interrupted Random directed walk after 159616 steps, including 0 resets, run timeout after 30018 ms. (steps per millisecond=5 )
Interrupted Random walk after 83578 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 4880/4880 places, 4800/4800 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 2443 ms. Remains 4880 /4880 variables (removed 0) and now considering 4800/4800 (removed 0) transitions.
[2026-05-23 08:48:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-23 08:49:01] [INFO ] Performed 23/4880 implicitness test of which 13 returned IMPLICIT in 32 seconds.
[2026-05-23 08:49:36] [INFO ] Performed 37/4880 implicitness test of which 24 returned IMPLICIT in 67 seconds.
[2026-05-23 08:50:10] [INFO ] Performed 45/4880 implicitness test of which 31 returned IMPLICIT in 101 seconds.
[2026-05-23 08:50:48] [INFO ] Performed 68/4880 implicitness test of which 46 returned IMPLICIT in 139 seconds.
[2026-05-23 08:51:06] [INFO ] Implicit Places with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe ... after 160028 ms
[2026-05-23 08:51:06] [INFO ] Actually due to overlaps returned [2, 10, 11, 21, 23, 25, 27, 30, 35, 37, 42, 44, 65, 74, 4, 7, 8, 15, 20, 29, 32, 33, 34, 36, 38, 40, 41, 46, 49, 53, 54, 58, 64, 66, 67, 70]
Discarding 36 places :
Implicit Place search using SMT only with invariants took 160053 ms to find 36 implicit places.
Starting structural reductions in DEADLOCK mode, iteration 1 : 4844/4880 places, 4800/4800 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 2276 ms. Remains 4844 /4844 variables (removed 0) and now considering 4800/4800 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 2 iterations and 164777 ms. Remains : 4844/4880 places, 4800/4800 transitions.
Interrupted Random walk after 84062 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 )
Interrupted Random directed walk after 148863 steps, including 0 resets, run timeout after 30008 ms. (steps per millisecond=4 )
// Phase 1: matrix 4800 rows 4844 cols
[2026-05-23 08:52:08] [INFO ] Computed 1644 invariants in 382 ms
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2026-05-23 08:52:14] [INFO ] [Real]Absence check using 117 positive place invariants in 1730 ms returned sat
[2026-05-23 08:57:08] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-23 08:57:08] [INFO ] [Real]Absence check using 117 positive and 1527 generalized place invariants in 294326 ms returned unknown
Interrupted Random directed walk after 140832 steps, including 0 resets, run timeout after 30009 ms. (steps per millisecond=4 )
Interrupted Random walk after 80290 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=2 )
Interrupted Random directed walk after 164684 steps, including 0 resets, run timeout after 30010 ms. (steps per millisecond=5 )
Interrupted Random walk after 82903 steps, including 0 resets, run timeout after 30002 ms. (steps per millisecond=2 )
[2026-05-23 08:59:11] [INFO ] Flatten gal took : 2546 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin10600852603931817724
[2026-05-23 08:59:12] [INFO ] Too many transitions (12800) to apply POR reductions. Disabling POR matrices.
[2026-05-23 08:59:13] [INFO ] Built C files in 489ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10600852603931817724
Running compilation step : cd /tmp/ltsmin10600852603931817724;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-23 08:59:14] [INFO ] Applying decomposition
[2026-05-23 08:59:15] [INFO ] Flatten gal took : 1923 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10289790374357255418.txt' '-o' '/tmp/graph10289790374357255418.bin' '-w' '/tmp/graph10289790374357255418.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10289790374357255418.bin' '-l' '-1' '-v' '-w' '/tmp/graph10289790374357255418.weights' '-q' '0' '-e' '0.001'
[2026-05-23 08:59:19] [INFO ] Decomposing Gal with order
[2026-05-23 08:59:22] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 08:59:43] [INFO ] Removed a total of 123160 redundant transitions.
[2026-05-23 08:59:44] [INFO ] Flatten gal took : 4402 ms
[2026-05-23 08:59:46] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1171 ms.
[2026-05-23 08:59:46] [INFO ] Time to serialize gal into /tmp/ReachabilityDeadlock16446124493621257411.gal : 473 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-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityDeadlock16446124493621257411.gal' '-t' 'CGAL' '-ctl' 'DEADLOCK'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...235
No direction supplied, using forward translation only.
Compilation finished in 225523 ms.
Running link step : cd /tmp/ltsmin10600852603931817724;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 222 ms.
Running LTSmin : cd /tmp/ltsmin10600852603931817724;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-d'

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ ReachabilityDeadlock = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityDeadlock -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 ReachabilityDeadlock -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="DatabaseWithMutex-PT-40"
export BK_EXAMINATION="ReachabilityDeadlock"
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 DatabaseWithMutex-PT-40, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r096-smll-177946996400046"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DatabaseWithMutex-PT-40.tgz
mv DatabaseWithMutex-PT-40 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;