Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r119-tall-167814497900581.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is DNAwalker-PT-08ringLL, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814497900581
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 512K
-rw-r--r-- 1 mcc users 6.3K Feb 25 12:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 25 12:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 12:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Feb 25 12:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:55 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:55 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.4K Feb 25 12:59 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 86K Feb 25 12:59 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Feb 25 12:59 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Feb 25 12:59 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:55 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 15:55 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 9 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 112K Mar 5 18:22 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 1679416898064

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-08ringLL
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 16:41:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-21 16:41:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 16:41:39] [INFO ] Load time of PNML (sax parser for PT used): 51 ms
[2023-03-21 16:41:39] [INFO ] Transformed 27 places.
[2023-03-21 16:41:39] [INFO ] Transformed 260 transitions.
[2023-03-21 16:41:39] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 111 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 2 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 3 ms.25107KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Applied a total of 0 rules in 24 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-21 16:41:39] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2023-03-21 16:41:39] [INFO ] Computed 0 place invariants in 13 ms
[2023-03-21 16:41:40] [INFO ] Dead Transitions using invariants and state equation in 479 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 529 ms. Remains : 27/27 places, 260/260 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Applied a total of 0 rules in 9 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-21 16:41:40] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:40] [INFO ] Invariant cache hit.
[2023-03-21 16:41:40] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-21 16:41:40] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:40] [INFO ] Invariant cache hit.
[2023-03-21 16:41:40] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 16:41:40] [INFO ] Implicit Places using invariants and state equation in 324 ms returned []
Implicit Place search using SMT with State Equation took 368 ms to find 0 implicit places.
[2023-03-21 16:41:40] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-21 16:41:40] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:40] [INFO ] Invariant cache hit.
[2023-03-21 16:41:40] [INFO ] Dead Transitions using invariants and state equation in 116 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 509 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101088 resets, run took 4071 ms (no deadlock found). (steps per millisecond=307 )
Random directed walk for 1250001 steps, including 23013 resets, run took 2610 ms (no deadlock found). (steps per millisecond=478 )
[2023-03-21 16:41:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:47] [INFO ] Invariant cache hit.
[2023-03-21 16:41:47] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 16:41:47] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2023-03-21 16:41:47] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 16:41:47] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 16:41:47] [INFO ] [Nat]Absence check using state equation in 57 ms returned sat
[2023-03-21 16:41:47] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 16:41:47] [INFO ] [Nat]Added 72 Read/Feed constraints in 21 ms returned sat
[2023-03-21 16:41:47] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 17 ms.
[2023-03-21 16:41:47] [INFO ] Added : 0 causal constraints over 0 iterations in 43 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
Parikh directed walk for 1500 steps, including 126 resets, run took 6 ms. (steps per millisecond=250 )
Random directed walk for 500018 steps, including 9239 resets, run took 1115 ms (no deadlock found). (steps per millisecond=448 )
Random walk for 500000 steps, including 40375 resets, run took 1588 ms (no deadlock found). (steps per millisecond=314 )
Random directed walk for 500000 steps, including 9249 resets, run took 1132 ms (no deadlock found). (steps per millisecond=441 )
Random walk for 500000 steps, including 40344 resets, run took 1573 ms (no deadlock found). (steps per millisecond=317 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 27/27 places, 260/260 transitions.
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Computed a total of 27 stabilizing places and 258 stable transitions
Applied a total of 0 rules in 8 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-21 16:41:53] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:53] [INFO ] Invariant cache hit.
[2023-03-21 16:41:53] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-21 16:41:53] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:53] [INFO ] Invariant cache hit.
[2023-03-21 16:41:53] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 16:41:53] [INFO ] Implicit Places using invariants and state equation in 275 ms returned []
Implicit Place search using SMT with State Equation took 344 ms to find 0 implicit places.
[2023-03-21 16:41:53] [INFO ] Redundant transitions in 8 ms returned []
[2023-03-21 16:41:53] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:41:53] [INFO ] Invariant cache hit.
[2023-03-21 16:41:53] [INFO ] Dead Transitions using invariants and state equation in 86 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 468 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101048 resets, run took 3856 ms (no deadlock found). (steps per millisecond=324 )
Random directed walk for 1250006 steps, including 23084 resets, run took 2589 ms (no deadlock found). (steps per millisecond=482 )
[2023-03-21 16:42:00] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-21 16:42:00] [INFO ] Invariant cache hit.
[2023-03-21 16:42:00] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-21 16:42:00] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2023-03-21 16:42:00] [INFO ] Solution in real domain found non-integer solution.
[2023-03-21 16:42:00] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-21 16:42:00] [INFO ] [Nat]Absence check using state equation in 88 ms returned sat
[2023-03-21 16:42:00] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-21 16:42:00] [INFO ] [Nat]Added 72 Read/Feed constraints in 19 ms returned sat
[2023-03-21 16:42:00] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 15 ms.
[2023-03-21 16:42:00] [INFO ] Added : 0 causal constraints over 0 iterations in 35 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 27 ms.
Parikh directed walk for 1500 steps, including 126 resets, run took 4 ms. (steps per millisecond=375 )
Random directed walk for 500008 steps, including 9177 resets, run took 1039 ms (no deadlock found). (steps per millisecond=481 )
Random walk for 500000 steps, including 40353 resets, run took 1551 ms (no deadlock found). (steps per millisecond=322 )
Random directed walk for 500000 steps, including 9241 resets, run took 1047 ms (no deadlock found). (steps per millisecond=477 )
Random walk for 500000 steps, including 40373 resets, run took 1548 ms (no deadlock found). (steps per millisecond=322 )
[2023-03-21 16:42:05] [INFO ] Flatten gal took : 51 ms
[2023-03-21 16:42:05] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 0 ms.
[2023-03-21 16:42:05] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 27 places, 260 transitions and 760 arcs took 3 ms.
Total runtime 26241 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA ReachabilityDeadlock FALSE TECHNIQUES DECISION_DIAGRAMS PARALLEL_PROCESSING USE_NUPN

BK_STOP 1679416935229

--------------------
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_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityDeadlock -timeout 180 -rebuildPNML
mcc2023
property name is ReachabilityDeadlock
pnml2lts-sym: Exploration order is bfs-prev
pnml2lts-sym: Saturation strategy is sat
pnml2lts-sym: Guided search strategy is unguided
pnml2lts-sym: Attractor strategy is default
pnml2lts-sym: opening model.pnml
pnml2lts-sym: Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-sym: Petri net has 27 places, 260 transitions and 760 arcs
pnml2lts-sym: Petri net DNAwalker_PT_08ringLL analyzed
pnml2lts-sym: There are no safe places
pnml2lts-sym: Loading Petri net took 0.000 real 0.010 user 0.000 sys
pnml2lts-sym: Initializing regrouping layer
pnml2lts-sym: Regroup specification: bs,w2W,ru,hf
pnml2lts-sym: Regroup Boost's Sloan
pnml2lts-sym: Regroup over-approximate must-write to may-write
pnml2lts-sym: Regroup Row sUbsume
pnml2lts-sym: Reqroup Horizontal Flip
pnml2lts-sym: Regrouping: 260->141 groups
pnml2lts-sym: Regrouping took 0.020 real 0.010 user 0.000 sys
pnml2lts-sym: state vector length is 27; there are 141 groups
pnml2lts-sym: Creating a multi-core ListDD domain.
pnml2lts-sym: Sylvan allocates 15.000 GB virtual memory for nodes table and operation cache.
pnml2lts-sym: Initial nodes table and operation cache requires 60.00 MB.
pnml2lts-sym: Using GBgetTransitionsShortR2W as next-state function
pnml2lts-sym: got initial state
pnml2lts-sym: Exploration took 98401 group checks and 0 next state calls
pnml2lts-sym: reachability took 0.560 real 2.230 user 0.000 sys
pnml2lts-sym: No deadlocks found
pnml2lts-sym: counting visited states...
pnml2lts-sym: counting took 0.000 real 0.000 user 0.000 sys
pnml2lts-sym: state space has 27950678 states, 3658 nodes
pnml2lts-sym: group_next: 1202 nodes total
pnml2lts-sym: group_explored: 1051 nodes, 962 short vectors total
pnml2lts-sym: max token count: 2

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="DNAwalker-PT-08ringLL"
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 2-5348"
echo " Executing tool ltsminxred"
echo " Input is DNAwalker-PT-08ringLL, 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 r119-tall-167814497900581"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-08ringLL.tgz
mv DNAwalker-PT-08ringLL 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 ;