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.r437-tajo-167905985200272.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 lolaxred
Input is SieveSingleMsgMbox-PT-d1m64, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r437-tajo-167905985200272
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 864K
-rw-r--r-- 1 mcc users 7.0K Feb 26 10:28 CTLCardinality.txt
-rw-r--r-- 1 mcc users 74K Feb 26 10:28 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 10:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 10:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:06 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:06 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:06 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:06 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 10:30 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Feb 26 10:30 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 10:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 26 10:29 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:06 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:06 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 1679517273803

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=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=SieveSingleMsgMbox-PT-d1m64
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 20:34:35] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-22 20:34:35] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:34:35] [INFO ] Load time of PNML (sax parser for PT used): 93 ms
[2023-03-22 20:34:35] [INFO ] Transformed 1295 places.
[2023-03-22 20:34:35] [INFO ] Transformed 749 transitions.
[2023-03-22 20:34:35] [INFO ] Parsed PT model containing 1295 places and 749 transitions and 2996 arcs in 156 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 26 ms. Remains 242 /1295 variables (removed 1053) and now considering 509/749 (removed 240) transitions.
// Phase 1: matrix 509 rows 242 cols
[2023-03-22 20:34:35] [INFO ] Computed 5 place invariants in 31 ms
[2023-03-22 20:34:36] [INFO ] Implicit Places using invariants in 328 ms returned []
[2023-03-22 20:34:36] [INFO ] Invariant cache hit.
[2023-03-22 20:34:36] [INFO ] State equation strengthened by 347 read => feed constraints.
[2023-03-22 20:34:37] [INFO ] Implicit Places using invariants and state equation in 1325 ms returned []
Implicit Place search using SMT with State Equation took 1676 ms to find 0 implicit places.
[2023-03-22 20:34:37] [INFO ] Invariant cache hit.
[2023-03-22 20:34:37] [INFO ] Dead Transitions using invariants and state equation in 223 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 1929 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 2141 resets, run finished after 652 ms. (steps per millisecond=15 ) properties (out of 233) seen :21
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 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 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 8 ms. (steps per millisecond=12 ) properties (out of 212) seen :0
Incomplete Best-First random walk after 100 steps, including 5 resets, run finished after 15 ms. (steps per millisecond=6 ) 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 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 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 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 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 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 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 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 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 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 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 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 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 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 10 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 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 101 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 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 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 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 2 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 8 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 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 101 steps, including 2 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 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 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 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 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 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 4 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 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 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 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 3 ms. (steps per millisecond=33 ) properties (out of 212) seen :0
Probabilistic random walk after 100000 steps, saw 47265 distinct states, run finished after 2054 ms. (steps per millisecond=48 ) properties seen :126
Running SMT prover for 86 properties.
[2023-03-22 20:34:40] [INFO ] Invariant cache hit.
[2023-03-22 20:34:41] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-22 20:34:41] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 8 ms returned sat
[2023-03-22 20:34:43] [INFO ] After 3017ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:86
[2023-03-22 20:34:44] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2023-03-22 20:34:44] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 22 ms returned sat
[2023-03-22 20:34:48] [INFO ] After 3917ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :86
[2023-03-22 20:34:48] [INFO ] State equation strengthened by 347 read => feed constraints.
[2023-03-22 20:34:54] [INFO ] After 5758ms SMT Verify possible using 347 Read/Feed constraints in natural domain returned unsat :0 sat :86
[2023-03-22 20:34:54] [INFO ] Deduced a trap composed of 29 places in 152 ms of which 13 ms to minimize.
[2023-03-22 20:34:55] [INFO ] Deduced a trap composed of 92 places in 114 ms of which 14 ms to minimize.
[2023-03-22 20:34:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 367 ms
[2023-03-22 20:34:59] [INFO ] Deduced a trap composed of 107 places in 129 ms of which 2 ms to minimize.
[2023-03-22 20:34:59] [INFO ] Deduced a trap composed of 112 places in 84 ms of which 1 ms to minimize.
[2023-03-22 20:34:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 280 ms
[2023-03-22 20:35:05] [INFO ] After 16323ms SMT Verify possible using trap constraints in natural domain returned unsat :4 sat :82
Attempting to minimize the solution found.
Minimization took 3685 ms.
[2023-03-22 20:35:08] [INFO ] After 25025ms SMT Verify possible using all constraints in natural domain returned unsat :4 sat :81
FORMULA QuasiLiveness FALSE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK STRUCTURAL_REDUCTION TOPOLOGICAL INITIAL_STATE SAT_SMT
Total runtime 33405 ms.
ITS solved all properties within timeout

BK_STOP 1679517309108

--------------------
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-d1m64"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is SieveSingleMsgMbox-PT-d1m64, 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 r437-tajo-167905985200272"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d1m64.tgz
mv SieveSingleMsgMbox-PT-d1m64 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 ;