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.r120-tall-167814498900586.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool marciexred
Input is DNAwalker-PT-09ringLR, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r120-tall-167814498900586
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 636K
-rw-r--r-- 1 mcc users 6.6K Feb 25 13:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 73K Feb 25 13:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 13:00 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Feb 25 13:00 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 15:55 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K 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 16K Feb 25 13:02 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 186K Feb 25 13:02 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 13:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Feb 25 13:01 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 1678396352054

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=marciexred
BK_EXAMINATION=ReachabilityDeadlock
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DNAwalker-PT-09ringLR
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-09 21:12:33] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-09 21:12:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 21:12:33] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2023-03-09 21:12:33] [INFO ] Transformed 27 places.
[2023-03-09 21:12:33] [INFO ] Transformed 260 transitions.
[2023-03-09 21:12:33] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 118 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 5 ms.24944KB 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 23 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 21:12:33] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2023-03-09 21:12:33] [INFO ] Computed 0 place invariants in 18 ms
[2023-03-09 21:12:34] [INFO ] Dead Transitions using invariants and state equation in 488 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 540 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.
[2023-03-09 21:12:34] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:34] [INFO ] Invariant cache hit.
[2023-03-09 21:12:34] [INFO ] Implicit Places using invariants in 55 ms returned []
[2023-03-09 21:12:34] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:34] [INFO ] Invariant cache hit.
[2023-03-09 21:12:34] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 21:12:34] [INFO ] Implicit Places using invariants and state equation in 378 ms returned []
Implicit Place search using SMT with State Equation took 434 ms to find 0 implicit places.
[2023-03-09 21:12:34] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-09 21:12:34] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:34] [INFO ] Invariant cache hit.
[2023-03-09 21:12:34] [INFO ] Dead Transitions using invariants and state equation in 112 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 575 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 100477 resets, run took 4097 ms (no deadlock found). (steps per millisecond=305 )
Random directed walk for 1250026 steps, including 23023 resets, run took 2631 ms (no deadlock found). (steps per millisecond=475 )
[2023-03-09 21:12:41] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:41] [INFO ] Invariant cache hit.
[2023-03-09 21:12:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-09 21:12:41] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2023-03-09 21:12:41] [INFO ] Solution in real domain found non-integer solution.
[2023-03-09 21:12:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-09 21:12:41] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2023-03-09 21:12:41] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 21:12:41] [INFO ] [Nat]Added 70 Read/Feed constraints in 25 ms returned sat
[2023-03-09 21:12:41] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 19 ms.
[2023-03-09 21:12:41] [INFO ] Added : 0 causal constraints over 0 iterations in 47 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
Parikh directed walk for 1700 steps, including 108 resets, run took 7 ms. (steps per millisecond=242 )
Random directed walk for 500001 steps, including 9243 resets, run took 1074 ms (no deadlock found). (steps per millisecond=465 )
Random walk for 500000 steps, including 40199 resets, run took 1634 ms (no deadlock found). (steps per millisecond=305 )
Random directed walk for 500005 steps, including 9239 resets, run took 1134 ms (no deadlock found). (steps per millisecond=440 )
Random walk for 500000 steps, including 40208 resets, run took 1620 ms (no deadlock found). (steps per millisecond=308 )
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 16 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 21:12:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:47] [INFO ] Invariant cache hit.
[2023-03-09 21:12:47] [INFO ] Implicit Places using invariants in 58 ms returned []
[2023-03-09 21:12:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:47] [INFO ] Invariant cache hit.
[2023-03-09 21:12:47] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 21:12:47] [INFO ] Implicit Places using invariants and state equation in 267 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2023-03-09 21:12:47] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-09 21:12:47] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:47] [INFO ] Invariant cache hit.
[2023-03-09 21:12:47] [INFO ] Dead Transitions using invariants and state equation in 92 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 466 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 100386 resets, run took 4013 ms (no deadlock found). (steps per millisecond=311 )
Random directed walk for 1250014 steps, including 23092 resets, run took 2778 ms (no deadlock found). (steps per millisecond=449 )
[2023-03-09 21:12:54] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:54] [INFO ] Invariant cache hit.
[2023-03-09 21:12:54] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-09 21:12:54] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2023-03-09 21:12:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-09 21:12:54] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-09 21:12:54] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2023-03-09 21:12:54] [INFO ] State equation strengthened by 70 read => feed constraints.
[2023-03-09 21:12:54] [INFO ] [Nat]Added 70 Read/Feed constraints in 21 ms returned sat
[2023-03-09 21:12:54] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 18 ms.
[2023-03-09 21:12:54] [INFO ] Added : 0 causal constraints over 0 iterations in 38 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
Parikh directed walk for 1700 steps, including 106 resets, run took 8 ms. (steps per millisecond=212 )
Random directed walk for 500005 steps, including 9235 resets, run took 1086 ms (no deadlock found). (steps per millisecond=460 )
Random walk for 500000 steps, including 40112 resets, run took 1590 ms (no deadlock found). (steps per millisecond=314 )
Random directed walk for 500004 steps, including 9198 resets, run took 1129 ms (no deadlock found). (steps per millisecond=442 )
Random walk for 500000 steps, including 40153 resets, run took 1619 ms (no deadlock found). (steps per millisecond=308 )
[2023-03-09 21:13:00] [INFO ] Flatten gal took : 41 ms
[2023-03-09 21:13:00] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-09 21:13:00] [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 26978 ms.
There are residual formulas that ITS could not solve within timeout
timeout --kill-after=10s --signal=SIGINT 1m for testing only

Marcie built on Linux at 2019-11-18.
A model checker for Generalized Stochastic Petri nets

authors: Alex Tovchigrechko (IDD package and CTL model checking)

Martin Schwarick (Symbolic numerical analysis and CSL model checking)

Christian Rohr (Simulative and approximative numerical model checking)

marcie@informatik.tu-cottbus.de

called as: /home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin/marcie --net-file=model.pnml --mcc-file=/home/mcc/BenchKit/bin//../reducer/bin//../../marcie/bin//ReachabilityDeadlock.xml --memory=6 --mcc-mode

parse successfull
net created successfully

Net: DNAwalker_PT_09ringLR
(NrP: 27 NrTr: 260 NrArc: 760)

parse formulas
formulas created successfully
place and transition orderings generation:0m 0.001sec

net check time: 0m 0.000sec

init dd package: 0m 2.821sec


RS generation: 0m32.694sec


-> reachability set: #nodes 20054 (2.0e+04) #states 28,209,796 (7)



starting MCC model checker
--------------------------

checking: EF [DEADLOCK]
normalized: E [true U DEADLOCK]

-> the formula is FALSE

FORMULA ReachabilityDeadlock FALSE TECHNIQUES SEQUENTIAL_PROCESSING DECISION_DIAGRAMS UNFOLDING_TO_PT

MC time: 0m 1.252sec

totally nodes used: 2891720 (2.9e+06)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 123307428 110713173 234020601
used/not used/entry size/cache size: 52333346 14775518 16 1024MB
basic ops cache: hits/miss/sum: 2183668 848644 3032312
used/not used/entry size/cache size: 1135833 15641383 12 192MB
unary ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 8 128MB
abstract ops cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 16777216 12 192MB
state nr cache: hits/miss/sum: 23578 20056 43634
used/not used/entry size/cache size: 20039 8368569 32 256MB
max state cache: hits/miss/sum: 0 0 0
used/not used/entry size/cache size: 0 8388608 32 256MB
uniqueHash elements/entry size/size: 67108864 4 256MB
0 64448311
1 2489535
2 133609
3 24611
4 7268
5 2947
6 1792
7 443
8 160
9 60
>= 10 128

Total processing time: 0m38.841sec


BK_STOP 1678396420606

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ 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
check for maximal unmarked siphon
ok
check for constant places
ok
check if there are places and transitions
ok
check if there are transitions without pre-places
ok
check if at least one transition is enabled in m0
ok
check if there are transitions that can never fire
ok


initing FirstDep: 0m 0.001sec

724 922 794 2062 2210 2282 16196 19183 19678 19635 21188 22672 23563 21126
iterations count:1483072 (5704), effective:35772 (137)

initing FirstDep: 0m 0.000sec

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-09ringLR"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="marciexred"
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 marciexred"
echo " Input is DNAwalker-PT-09ringLR, 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 r120-tall-167814498900586"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-09ringLR.tgz
mv DNAwalker-PT-09ringLR 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 ;