Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r514-smll-171654417100281.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is Philosophers-COL-005000, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r514-smll-171654417100281
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 644K
-rw-r--r-- 1 mcc users 7.3K Apr 13 19:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Apr 13 19:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Apr 13 13:59 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Apr 13 13:59 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Apr 23 07:43 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 23 07:43 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Apr 23 07:43 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 23 07:43 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 14 03:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Apr 14 03:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Apr 13 22:55 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 64K Apr 13 22:55 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 23 07:43 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 23 07:43 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:43 equiv_pt
-rw-r--r-- 1 mcc users 7 May 18 16:43 instance
-rw-r--r-- 1 mcc users 5 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 227K May 18 16:43 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 1717255837181

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Philosophers-COL-005000
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 15:30:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2024-06-01 15:30:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 15:30:39] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 15:30:39] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 15:30:40] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1271 ms
[2024-06-01 15:30:40] [INFO ] Imported 5 HL places and 5 HL transitions for a total of 25000 PT places and 25000.0 transition bindings in 35 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 3 ms.
Working with output stream class java.io.PrintStream
[2024-06-01 15:30:40] [INFO ] Built PT skeleton of HLPN with 5 places and 5 transitions 15 arcs in 6 ms.
[2024-06-01 15:30:40] [INFO ] Skeletonized 1 HLPN properties in 0 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Arc [1:1*[(MOD (ADD (MOD (MINUS $x 1) 5000) 5000) 5000)]] contains successor/predecessor on variables of sort Philo
[2024-06-01 15:30:41] [INFO ] Unfolded HLPN to a Petri net with 25000 places and 25000 transitions 80000 arcs in 463 ms.
[2024-06-01 15:30:41] [INFO ] Unfolded 1 HLPN properties in 0 ms.
Built sparse matrix representations for Structural reductions in 35 ms.68405KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 25000/25000 places, 25000/25000 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Performed 5000 Post agglomeration using F-continuation condition.Transition count delta: 5000
Deduced a syphon composed of 5000 places in 15 ms
Reduce places removed 5000 places and 0 transitions.
Iterating global reduction 0 with 10000 rules applied. Total rules applied 10000 place count 20000 transition count 20000
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 10000 rules in 10458 ms. Remains 20000 /25000 variables (removed 5000) and now considering 20000/25000 (removed 5000) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 10482 ms. Remains : 20000/25000 places, 20000/25000 transitions.
Interrupted Random walk after 46016 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
// Phase 1: matrix 20000 rows 20000 cols
[2024-06-01 15:31:22] [INFO ] Computed 10000 invariants in 219 ms
[2024-06-01 15:36:22] [INFO ] [Real]Absence check using 10000 positive place invariants in 233214 ms returned unknown
Interrupted Random directed walk after 19993 steps, including 0 resets, run timeout after 30264 ms. (steps per millisecond=0 )
Interrupted Random walk after 46991 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Interrupted Random directed walk after 29995 steps, including 0 resets, run timeout after 43550 ms. (steps per millisecond=0 )
Interrupted Random walk after 48081 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 20000/20000 places, 20000/20000 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 3082 ms. Remains 20000 /20000 variables (removed 0) and now considering 20000/20000 (removed 0) transitions.
[2024-06-01 15:38:39] [INFO ] Invariant cache hit.
[2024-06-01 15:39:20] [INFO ] Performed 11168/20000 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-06-01 15:39:42] [INFO ] Implicit Places using invariants in 62605 ms returned []
Implicit Place search using SMT only with invariants took 62618 ms to find 0 implicit places.
Running 10000 sub problems to find dead transitions.
[2024-06-01 15:39:42] [INFO ] Invariant cache hit.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/15000 variables, 5000/5000 constraints. Problems are: Problem set: 0 solved, 10000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 15000/40000 variables, and 5000 constraints, problems are : Problem set: 0 solved, 10000 unsolved in 30302 ms.
Refiners :[Positive P Invariants (semi-flows): 5000/10000 constraints, State Equation: 0/20000 constraints, PredecessorRefiner: 10000/10000 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10000 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15000 variables, 5000/5000 constraints. Problems are: Problem set: 0 solved, 10000 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 15000/40000 variables, and 5000 constraints, problems are : Problem set: 0 solved, 10000 unsolved in 30207 ms.
Refiners :[Positive P Invariants (semi-flows): 5000/10000 constraints, State Equation: 0/20000 constraints, PredecessorRefiner: 0/10000 constraints, Known Traps: 0/0 constraints]
After SMT, in 80931ms problems are : Problem set: 0 solved, 10000 unsolved
Search for dead transitions found 0 dead transitions in 81143ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 146907 ms. Remains : 20000/20000 places, 20000/20000 transitions.
Interrupted Random walk after 48177 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2024-06-01 15:41:33] [INFO ] Invariant cache hit.
[2024-06-01 15:46:33] [INFO ] [Real]Absence check using 10000 positive place invariants in 235176 ms returned unknown
Interrupted Random directed walk after 29988 steps, including 0 resets, run timeout after 43704 ms. (steps per millisecond=0 )
Interrupted Random walk after 48523 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Interrupted Random directed walk after 29987 steps, including 0 resets, run timeout after 43235 ms. (steps per millisecond=0 )
Interrupted Random walk after 49949 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2024-06-01 15:49:02] [INFO ] Flatten gal took : 1637 ms
[2024-06-01 15:49:02] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 3 ms.
[2024-06-01 15:49:02] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 25000 places, 25000 transitions and 80000 arcs took 127 ms.
Total runtime 1103621 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : ReachabilityDeadlock

BK_STOP 1717256943020

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2024
property name is ReachabilityDeadlock
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="Philosophers-COL-005000"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="ltsminxred"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is Philosophers-COL-005000, 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 r514-smll-171654417100281"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-COL-005000.tgz
mv Philosophers-COL-005000 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 ;