Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r439-tajo-167905986200257.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is SieveSingleMsgMbox-PT-d1m06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r439-tajo-167905986200257
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 868K
-rw-r--r-- 1 mcc users 6.6K Feb 26 10:26 CTLCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 26 10:26 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 10:25 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Feb 26 10:25 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 10:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 120K Feb 26 10:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.1K Feb 26 10:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Feb 26 10:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:05 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:05 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 450K Mar 5 18:23 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679552998416

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d1m06
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 06:29:59] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-23 06:29:59] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 06:30:00] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2023-03-23 06:30:00] [INFO ] Transformed 1295 places.
[2023-03-23 06:30:00] [INFO ] Transformed 749 transitions.
[2023-03-23 06:30:00] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 134 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 1295/1295 places, 749/749 transitions.
Reduce places removed 1053 places and 0 transitions.
Ensure Unique test removed 240 transitions
Reduce isomorphic transitions removed 240 transitions.
Iterating post reduction 0 with 1293 rules applied. Total rules applied 1293 place count 242 transition count 509
Applied a total of 1293 rules in 23 ms. Remains 242 /1295 variables (removed 1053) and now considering 509/749 (removed 240) transitions.
// Phase 1: matrix 509 rows 242 cols
[2023-03-23 06:30:00] [INFO ] Computed 5 place invariants in 19 ms
[2023-03-23 06:30:00] [INFO ] Implicit Places using invariants in 311 ms returned []
[2023-03-23 06:30:00] [INFO ] Invariant cache hit.
[2023-03-23 06:30:00] [INFO ] State equation strengthened by 347 read => feed constraints.
[2023-03-23 06:30:01] [INFO ] Implicit Places using invariants and state equation in 1014 ms returned []
Implicit Place search using SMT with State Equation took 1351 ms to find 0 implicit places.
[2023-03-23 06:30:01] [INFO ] Invariant cache hit.
[2023-03-23 06:30:01] [INFO ] Dead Transitions using invariants and state equation in 204 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 242/1295 places, 509/749 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1579 ms. Remains : 242/1295 places, 509/749 transitions.
Discarding 275 transitions out of 509. Remains 234
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2223 resets, run finished after 575 ms. (steps per millisecond=17 ) properties (out of 233) seen :21
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 5 ms. (steps per millisecond=20 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=16 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 2 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 9 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 8 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 4 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 4 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 4 ms. (steps per millisecond=25 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 7 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 6 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 5 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 101 steps, including 3 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 212) seen :0
Probabilistic random walk after 100001 steps, saw 40321 distinct states, run finished after 1715 ms. (steps per millisecond=58 ) properties seen :161
Running SMT prover for 51 properties.
[2023-03-23 06:30:04] [INFO ] Invariant cache hit.
[2023-03-23 06:30:04] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-23 06:30:04] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 7 ms returned sat
[2023-03-23 06:30:06] [INFO ] After 2394ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:51
[2023-03-23 06:30:06] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-23 06:30:06] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 7 ms returned sat
[2023-03-23 06:30:09] [INFO ] After 2237ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :51
[2023-03-23 06:30:09] [INFO ] State equation strengthened by 347 read => feed constraints.
[2023-03-23 06:30:12] [INFO ] After 3499ms SMT Verify possible using 347 Read/Feed constraints in natural domain returned unsat :0 sat :51
[2023-03-23 06:30:13] [INFO ] Deduced a trap composed of 29 places in 110 ms of which 6 ms to minimize.
[2023-03-23 06:30:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 163 ms
[2023-03-23 06:30:15] [INFO ] Deduced a trap composed of 88 places in 82 ms of which 1 ms to minimize.
[2023-03-23 06:30:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 138 ms
[2023-03-23 06:30:17] [INFO ] Deduced a trap composed of 86 places in 116 ms of which 1 ms to minimize.
[2023-03-23 06:30:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 185 ms
[2023-03-23 06:30:17] [INFO ] Deduced a trap composed of 102 places in 99 ms of which 3 ms to minimize.
[2023-03-23 06:30:17] [INFO ] Deduced a trap composed of 118 places in 108 ms of which 0 ms to minimize.
[2023-03-23 06:30:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 319 ms
[2023-03-23 06:30:18] [INFO ] After 8673ms SMT Verify possible using trap constraints in natural domain returned unsat :4 sat :47
Attempting to minimize the solution found.
Minimization took 3056 ms.
[2023-03-23 06:30:21] [INFO ] After 14410ms SMT Verify possible using all constraints in natural domain returned unsat :4 sat :47
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK STRUCTURAL_REDUCTION TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 21196 ms.
ITS solved all properties within timeout

BK_STOP 1679553021265

--------------------
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 QuasiLiveness -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="SieveSingleMsgMbox-PT-d1m06"
export BK_EXAMINATION="QuasiLiveness"
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 SieveSingleMsgMbox-PT-d1m06, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r439-tajo-167905986200257"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m06.tgz
mv SieveSingleMsgMbox-PT-d1m06 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;