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.r535-tall-167987254200234.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 Murphy-PT-D4N050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r535-tall-167987254200234
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 7.8K Mar 23 15:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Mar 23 15:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 23 15:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 23 15:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 12K Mar 23 15:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K Mar 23 15:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 23 15:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Mar 23 15:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.7K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 19K Mar 31 16:48 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 Liveness

=== Now, execution of the tool begins

BK_START 1680817086068

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=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Murphy-PT-D4N050
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202304061127
[2023-04-06 21:38:07] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-04-06 21:38:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 21:38:07] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2023-04-06 21:38:07] [INFO ] Transformed 30 places.
[2023-04-06 21:38:07] [INFO ] Transformed 35 transitions.
[2023-04-06 21:38:07] [INFO ] Parsed PT model containing 30 places and 35 transitions and 135 arcs in 91 ms.
Discarding 15 transitions out of 35. Remains 20
Built sparse matrix representations for Structural reductions in 6 ms.24858KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 30/30 places, 35/35 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 15 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
// Phase 1: matrix 35 rows 30 cols
[2023-04-06 21:38:07] [INFO ] Computed 6 invariants in 6 ms
[2023-04-06 21:38:08] [INFO ] Dead Transitions using invariants and state equation in 285 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 324 ms. Remains : 30/30 places, 35/35 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 30/30 places, 35/35 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 3 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2023-04-06 21:38:08] [INFO ] Invariant cache hit.
[2023-04-06 21:38:08] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-04-06 21:38:08] [INFO ] Invariant cache hit.
[2023-04-06 21:38:08] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-04-06 21:38:08] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
[2023-04-06 21:38:08] [INFO ] Redundant transitions in 1 ms returned []
[2023-04-06 21:38:08] [INFO ] Invariant cache hit.
[2023-04-06 21:38:08] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 126 ms. Remains : 30/30 places, 35/35 transitions.
Random walk for 1250059 steps, including 0 resets, run took 615 ms (no deadlock found). (steps per millisecond=2032 )
Random directed walk for 1250001 steps, including 0 resets, run took 806 ms (no deadlock found). (steps per millisecond=1550 )
[2023-04-06 21:38:09] [INFO ] Invariant cache hit.
[2023-04-06 21:38:09] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-06 21:38:09] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 21:38:09] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 21:38:09] [INFO ] [Real]Absence check using state equation in 11 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2023-04-06 21:38:09] [INFO ] Invariant cache hit.
[2023-04-06 21:38:09] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
[2023-04-06 21:38:09] [INFO ] Invariant cache hit.
[2023-04-06 21:38:09] [INFO ] Implicit Places using invariants in 34 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 36 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 25/30 places, 35/35 transitions.
Applied a total of 0 rules in 0 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 78 ms. Remains : 25/30 places, 35/35 transitions.
Discarding 15 transitions out of 35. Remains 20
Initial state reduction rules removed 10 formulas.
Incomplete random walk after 10013 steps, including 2 resets, run finished after 138 ms. (steps per millisecond=72 ) properties (out of 10) seen :5
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 35 rows 25 cols
[2023-04-06 21:38:09] [INFO ] Computed 1 invariants in 1 ms
[2023-04-06 21:38:09] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-04-06 21:38:10] [INFO ] After 71ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-04-06 21:38:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-04-06 21:38:10] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-04-06 21:38:10] [INFO ] State equation strengthened by 10 read => feed constraints.
[2023-04-06 21:38:10] [INFO ] After 12ms SMT Verify possible using 10 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-04-06 21:38:10] [INFO ] After 32ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 18 ms.
[2023-04-06 21:38:10] [INFO ] After 123ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 246 ms.
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 15 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 10 output transitions
Drop transitions removed 10 transitions
Drop transitions removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 15 transition count 20
Applied a total of 6 rules in 3 ms. Remains 15 /25 variables (removed 10) and now considering 20/35 (removed 15) transitions.
// Phase 1: matrix 20 rows 15 cols
[2023-04-06 21:38:10] [INFO ] Computed 0 invariants in 1 ms
[2023-04-06 21:38:10] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 15/25 places, 20/35 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 8000 ms. (steps per millisecond=125 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2153 ms. (steps per millisecond=464 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 2017 ms. (steps per millisecond=495 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1968 ms. (steps per millisecond=508 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 1884 ms. (steps per millisecond=530 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 2 resets, run finished after 1657 ms. (steps per millisecond=603 ) properties (out of 5) seen :0
Probably explored full state space saw : 7776 states, properties seen :0
Probabilistic random walk after 59616 steps, saw 7776 distinct states, run finished after 146 ms. (steps per millisecond=408 ) properties seen :0
Explored full state space saw : 7776 states, properties seen :0
Exhaustive walk after 59616 steps, saw 7776 distinct states, run finished after 65 ms. (steps per millisecond=917 ) properties seen :0
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 20757 ms.
ITS solved all properties within timeout

BK_STOP 1680817109237

--------------------
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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -timeout 180 -rebuildPNML

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="Murphy-PT-D4N050"
export BK_EXAMINATION="Liveness"
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 Murphy-PT-D4N050, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r535-tall-167987254200234"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D4N050.tgz
mv Murphy-PT-D4N050 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;