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.r053-tajo-167813705400402.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 CANConstruction-PT-040, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-tajo-167813705400402
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.9M
-rw-r--r-- 1 mcc users 11K Feb 25 21:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K Feb 25 21:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.3K Feb 25 21:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 25 21:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 5.1K Feb 25 15:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 15:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 15:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 21:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 25 21:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 21:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K Feb 25 21:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:40 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:40 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 2.5M 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 QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679000406681

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=CANConstruction-PT-040
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 21:00:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 21:00:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 21:00:08] [INFO ] Load time of PNML (sax parser for PT used): 193 ms
[2023-03-16 21:00:08] [INFO ] Transformed 3682 places.
[2023-03-16 21:00:08] [INFO ] Transformed 6720 transitions.
[2023-03-16 21:00:08] [INFO ] Parsed PT model containing 3682 places and 6720 transitions and 20000 arcs in 289 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 3682/3682 places, 6720/6720 transitions.
Drop transitions removed 280 transitions
Trivial Post-agglo rules discarded 280 transitions
Performed 280 trivial Post agglomeration. Transition count delta: 280
Iterating post reduction 0 with 280 rules applied. Total rules applied 280 place count 3682 transition count 6440
Reduce places removed 280 places and 0 transitions.
Iterating post reduction 1 with 280 rules applied. Total rules applied 560 place count 3402 transition count 6440
Performed 1600 Post agglomeration using F-continuation condition.Transition count delta: 1600
Deduced a syphon composed of 1600 places in 16 ms
Reduce places removed 1600 places and 0 transitions.
Iterating global reduction 2 with 3200 rules applied. Total rules applied 3760 place count 1802 transition count 4840
Applied a total of 3760 rules in 523 ms. Remains 1802 /3682 variables (removed 1880) and now considering 4840/6720 (removed 1880) transitions.
// Phase 1: matrix 4840 rows 1802 cols
[2023-03-16 21:00:09] [INFO ] Computed 81 place invariants in 71 ms
[2023-03-16 21:00:10] [INFO ] Implicit Places using invariants in 1338 ms returned [5, 11, 17, 23, 29, 35, 41, 47, 53, 59, 65, 71, 77, 83, 89, 95, 101, 107, 113, 119, 125, 131, 137, 143, 149, 155, 161, 167, 173, 179, 185, 191, 197, 203, 209, 215, 221, 227, 233, 239]
Discarding 40 places :
Implicit Place search using SMT only with invariants took 1379 ms to find 40 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 1762/3682 places, 4840/6720 transitions.
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 4 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 0 with 160 rules applied. Total rules applied 160 place count 1682 transition count 4760
Applied a total of 160 rules in 86 ms. Remains 1682 /1762 variables (removed 80) and now considering 4760/4840 (removed 80) transitions.
// Phase 1: matrix 4760 rows 1682 cols
[2023-03-16 21:00:10] [INFO ] Computed 41 place invariants in 74 ms
[2023-03-16 21:00:11] [INFO ] Implicit Places using invariants in 1049 ms returned []
[2023-03-16 21:00:11] [INFO ] Invariant cache hit.
[2023-03-16 21:00:12] [INFO ] State equation strengthened by 4720 read => feed constraints.
[2023-03-16 21:00:12] [INFO ] Implicit Places using invariants and state equation in 1348 ms returned []
Implicit Place search using SMT with State Equation took 2399 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 1682/3682 places, 4760/6720 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 4390 ms. Remains : 1682/3682 places, 4760/6720 transitions.
Discarding 1560 transitions out of 4760. Remains 3200
Initial state reduction rules removed 40 formulas.
Incomplete random walk after 10000 steps, including 49 resets, run finished after 1290 ms. (steps per millisecond=7 ) properties (out of 3160) seen :3052
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 2 ms. (steps per millisecond=50 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) 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 108) 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 108) 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 108) 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 108) 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 108) 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 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) 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 108) seen :0
Incomplete Best-First random walk after 101 steps, including 2 resets, run finished after 1 ms. (steps per millisecond=101 ) properties (out of 108) seen :0
Running SMT prover for 108 properties.
[2023-03-16 21:00:14] [INFO ] Invariant cache hit.
[2023-03-16 21:00:17] [INFO ] [Real]Absence check using 41 positive place invariants in 29 ms returned sat
[2023-03-16 21:00:38] [INFO ] After 18638ms SMT Verify possible using state equation in real domain returned unsat :0 sat :26 real:82
[2023-03-16 21:00:38] [INFO ] State equation strengthened by 4720 read => feed constraints.
[2023-03-16 21:00:39] [INFO ] After 1206ms SMT Verify possible using 4720 Read/Feed constraints in real domain returned unsat :0 sat :24 real:84
[2023-03-16 21:00:39] [INFO ] After 1208ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :24 real:84
Attempting to minimize the solution found.
Minimization took 4 ms.
[2023-03-16 21:00:39] [INFO ] After 25024ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :24 real:84
[2023-03-16 21:00:42] [INFO ] [Nat]Absence check using 41 positive place invariants in 26 ms returned sat
[2023-03-16 21:01:00] [INFO ] After 16624ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :108
[2023-03-16 21:01:04] [INFO ] After 4454ms SMT Verify possible using 4720 Read/Feed constraints in natural domain returned unsat :0 sat :108
[2023-03-16 21:01:04] [INFO ] After 4456ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :108
Attempting to minimize the solution found.
Minimization took 15 ms.
[2023-03-16 21:01:04] [INFO ] After 25060ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :108
Parikh walk visited 5 properties in 244 ms.
Support contains 137 out of 1682 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1682/1682 places, 4760/4760 transitions.
Applied a total of 0 rules in 7607 ms. Remains 1682 /1682 variables (removed 0) and now considering 4760/4760 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7609 ms. Remains : 1682/1682 places, 4760/4760 transitions.
Finished random walk after 16898 steps, including 85 resets, run visited all 103 properties in 456 ms. (steps per millisecond=37 )
Able to resolve query QuasiLiveness after proving 3200 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 64888 ms.
ITS solved all properties within timeout

BK_STOP 1679000473297

--------------------
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="CANConstruction-PT-040"
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 CANConstruction-PT-040, 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 r053-tajo-167813705400402"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANConstruction-PT-040.tgz
mv CANConstruction-PT-040 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 ;