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-167814498900581.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 marciexred
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 r120-tall-167814498900581
=====================================================================

--------------------
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 1678396308545

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-08ringLL
Applying reductions before tool marcie
Invoking reducer
Running Version 202303021504
[2023-03-09 21:11:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -timeout, 180, -rebuildPNML]
[2023-03-09 21:11:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 21:11:50] [INFO ] Load time of PNML (sax parser for PT used): 51 ms
[2023-03-09 21:11:50] [INFO ] Transformed 27 places.
[2023-03-09 21:11:50] [INFO ] Transformed 260 transitions.
[2023-03-09 21:11:50] [INFO ] Parsed PT model containing 27 places and 260 transitions and 760 arcs in 110 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.25005KB 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 22 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 21:11:50] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
// Phase 1: matrix 259 rows 27 cols
[2023-03-09 21:11:50] [INFO ] Computed 0 place invariants in 19 ms
[2023-03-09 21:11:50] [INFO ] Dead Transitions using invariants and state equation in 288 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 333 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 11 ms. Remains 27 /27 variables (removed 0) and now considering 260/260 (removed 0) transitions.
[2023-03-09 21:11:50] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:11:50] [INFO ] Invariant cache hit.
[2023-03-09 21:11:50] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-09 21:11:50] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:11:50] [INFO ] Invariant cache hit.
[2023-03-09 21:11:50] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-09 21:11:51] [INFO ] Implicit Places using invariants and state equation in 296 ms returned []
Implicit Place search using SMT with State Equation took 362 ms to find 0 implicit places.
[2023-03-09 21:11:51] [INFO ] Redundant transitions in 13 ms returned []
[2023-03-09 21:11:51] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:11:51] [INFO ] Invariant cache hit.
[2023-03-09 21:11:51] [INFO ] Dead Transitions using invariants and state equation in 136 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 529 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101029 resets, run took 4280 ms (no deadlock found). (steps per millisecond=292 )
Random directed walk for 1250004 steps, including 23074 resets, run took 2783 ms (no deadlock found). (steps per millisecond=449 )
[2023-03-09 21:11:58] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:11:58] [INFO ] Invariant cache hit.
[2023-03-09 21:11:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-09 21:11:58] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2023-03-09 21:11:58] [INFO ] Solution in real domain found non-integer solution.
[2023-03-09 21:11:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-09 21:11:58] [INFO ] [Nat]Absence check using state equation in 59 ms returned sat
[2023-03-09 21:11:58] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-09 21:11:58] [INFO ] [Nat]Added 72 Read/Feed constraints in 21 ms returned sat
[2023-03-09 21:11:58] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 26 ms.
[2023-03-09 21:11:58] [INFO ] Added : 0 causal constraints over 0 iterations in 53 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
Parikh directed walk for 1500 steps, including 125 resets, run took 7 ms. (steps per millisecond=214 )
Random directed walk for 500005 steps, including 9219 resets, run took 1103 ms (no deadlock found). (steps per millisecond=453 )
Random walk for 500000 steps, including 40357 resets, run took 1557 ms (no deadlock found). (steps per millisecond=321 )
Random directed walk for 500005 steps, including 9213 resets, run took 1083 ms (no deadlock found). (steps per millisecond=461 )
Random walk for 500000 steps, including 40472 resets, run took 1575 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.
[2023-03-09 21:12:04] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:04] [INFO ] Invariant cache hit.
[2023-03-09 21:12:04] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-09 21:12:04] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:04] [INFO ] Invariant cache hit.
[2023-03-09 21:12:04] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-09 21:12:04] [INFO ] Implicit Places using invariants and state equation in 278 ms returned []
Implicit Place search using SMT with State Equation took 334 ms to find 0 implicit places.
[2023-03-09 21:12:04] [INFO ] Redundant transitions in 7 ms returned []
[2023-03-09 21:12:04] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:04] [INFO ] Invariant cache hit.
[2023-03-09 21:12:04] [INFO ] Dead Transitions using invariants and state equation in 90 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 445 ms. Remains : 27/27 places, 260/260 transitions.
Random walk for 1250000 steps, including 101084 resets, run took 3955 ms (no deadlock found). (steps per millisecond=316 )
Random directed walk for 1250026 steps, including 23098 resets, run took 2758 ms (no deadlock found). (steps per millisecond=453 )
[2023-03-09 21:12:11] [INFO ] Flow matrix only has 259 transitions (discarded 1 similar events)
[2023-03-09 21:12:11] [INFO ] Invariant cache hit.
[2023-03-09 21:12:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-09 21:12:11] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2023-03-09 21:12:11] [INFO ] Solution in real domain found non-integer solution.
[2023-03-09 21:12:11] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-09 21:12:11] [INFO ] [Nat]Absence check using state equation in 47 ms returned sat
[2023-03-09 21:12:11] [INFO ] State equation strengthened by 72 read => feed constraints.
[2023-03-09 21:12:11] [INFO ] [Nat]Added 72 Read/Feed constraints in 25 ms returned sat
[2023-03-09 21:12:11] [INFO ] Computed and/alt/rep : 0/0/0 causal constraints (skipped 233 transitions) in 20 ms.
[2023-03-09 21:12:11] [INFO ] Added : 0 causal constraints over 0 iterations in 40 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 1500 steps, including 127 resets, run took 6 ms. (steps per millisecond=250 )
Random directed walk for 500000 steps, including 9237 resets, run took 1103 ms (no deadlock found). (steps per millisecond=453 )
Random walk for 500000 steps, including 40403 resets, run took 1580 ms (no deadlock found). (steps per millisecond=316 )
Random directed walk for 500000 steps, including 9206 resets, run took 1187 ms (no deadlock found). (steps per millisecond=421 )
Random walk for 500000 steps, including 40470 resets, run took 1623 ms (no deadlock found). (steps per millisecond=308 )
[2023-03-09 21:12:17] [INFO ] Flatten gal took : 40 ms
[2023-03-09 21:12:17] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2023-03-09 21:12:17] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 27 places, 260 transitions and 760 arcs took 2 ms.
Total runtime 26872 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_08ringLL
(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 2.756sec


RS generation: 0m23.092sec


-> reachability set: #nodes 13826 (1.4e+04) #states 27,950,678 (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 0.762sec

totally nodes used: 2003803 (2.0e+06)
number of garbage collections: 0
fire ops cache: hits/miss/sum: 81100841 70935712 152036553
used/not used/entry size/cache size: 42510012 24598852 16 1024MB
basic ops cache: hits/miss/sum: 1466378 593732 2060110
used/not used/entry size/cache size: 800899 15976317 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: 15390 13826 29216
used/not used/entry size/cache size: 13822 8374786 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 65248075
1 1754226
2 84798
3 14170
4 4053
5 1891
6 981
7 321
8 102
9 78
>= 10 169

Total processing time: 0m28.642sec


BK_STOP 1678396367056

--------------------
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
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 0.000sec

909 1140 1153 1167 1331 1222 1322 1335 1105 1420 1408 2523 15222 11873 12188 12672 12726 13494 12719 12184
iterations count:2046226 (7870), effective:59246 (227)

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-08ringLL"
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-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 r120-tall-167814498900581"
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 ;