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-167813705500452.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 CANInsertWithFailure-PT-030, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r053-tajo-167813705500452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 6.0M
-rw-r--r-- 1 mcc users 8.3K Feb 26 00:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K Feb 26 00:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Feb 26 00:15 CTLFireability.txt
-rw-r--r-- 1 mcc users 58K Feb 26 00:15 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 15:41 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:41 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.1K Feb 25 15:41 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:41 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.4K Feb 26 00:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 50K Feb 26 00:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 00:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 00:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:41 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:41 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 5.6M 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 1679000513117

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=CANInsertWithFailure-PT-030
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-16 21:01:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-16 21:01:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-16 21:01:55] [INFO ] Load time of PNML (sax parser for PT used): 242 ms
[2023-03-16 21:01:55] [INFO ] Transformed 2164 places.
[2023-03-16 21:01:55] [INFO ] Transformed 5580 transitions.
[2023-03-16 21:01:55] [INFO ] Parsed PT model containing 2164 places and 5580 transitions and 15000 arcs in 330 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2164/2164 places, 5580/5580 transitions.
Reduce places removed 1 places and 0 transitions.
Drop transitions removed 210 transitions
Trivial Post-agglo rules discarded 210 transitions
Performed 210 trivial Post agglomeration. Transition count delta: 210
Iterating post reduction 0 with 211 rules applied. Total rules applied 211 place count 2163 transition count 5370
Reduce places removed 210 places and 0 transitions.
Iterating post reduction 1 with 210 rules applied. Total rules applied 421 place count 1953 transition count 5370
Performed 870 Post agglomeration using F-continuation condition.Transition count delta: 870
Deduced a syphon composed of 870 places in 8 ms
Reduce places removed 870 places and 0 transitions.
Iterating global reduction 2 with 1740 rules applied. Total rules applied 2161 place count 1083 transition count 4500
Applied a total of 2161 rules in 425 ms. Remains 1083 /2164 variables (removed 1081) and now considering 4500/5580 (removed 1080) transitions.
[2023-03-16 21:01:55] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
// Phase 1: matrix 3688 rows 1083 cols
[2023-03-16 21:01:55] [INFO ] Computed 32 place invariants in 89 ms
[2023-03-16 21:01:56] [INFO ] Implicit Places using invariants in 834 ms returned []
[2023-03-16 21:01:56] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2023-03-16 21:01:56] [INFO ] Invariant cache hit.
[2023-03-16 21:01:57] [INFO ] State equation strengthened by 2668 read => feed constraints.
[2023-03-16 21:02:03] [INFO ] Implicit Places using invariants and state equation in 6837 ms returned []
Implicit Place search using SMT with State Equation took 7708 ms to find 0 implicit places.
[2023-03-16 21:02:03] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2023-03-16 21:02:03] [INFO ] Invariant cache hit.
[2023-03-16 21:02:05] [INFO ] Dead Transitions using invariants and state equation in 2018 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 1083/2164 places, 4500/5580 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 10156 ms. Remains : 1083/2164 places, 4500/5580 transitions.
Discarding 2580 transitions out of 4500. Remains 1920
Initial state reduction rules removed 30 formulas.
Incomplete random walk after 10000 steps, including 64 resets, run finished after 1143 ms. (steps per millisecond=8 ) properties (out of 1890) seen :1846
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 43) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 42) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 42) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 41) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 40) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 39) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 37) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 35) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 34) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 33) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 32) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 32) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 31) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 31) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 30) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 29) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 28) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 27) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 26) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 25) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 24) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 23) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 22) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 21) seen :3
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 18) seen :2
Running SMT prover for 16 properties.
[2023-03-16 21:02:06] [INFO ] Flow matrix only has 3688 transitions (discarded 812 similar events)
[2023-03-16 21:02:06] [INFO ] Invariant cache hit.
[2023-03-16 21:02:07] [INFO ] [Real]Absence check using 30 positive place invariants in 14 ms returned sat
[2023-03-16 21:02:07] [INFO ] [Real]Absence check using 30 positive and 2 generalized place invariants in 10 ms returned sat
[2023-03-16 21:02:10] [INFO ] After 2715ms SMT Verify possible using state equation in real domain returned unsat :0 sat :16
[2023-03-16 21:02:10] [INFO ] State equation strengthened by 2668 read => feed constraints.
[2023-03-16 21:02:13] [INFO ] After 2973ms SMT Verify possible using 2668 Read/Feed constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-16 21:02:13] [INFO ] After 6546ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-16 21:02:13] [INFO ] [Nat]Absence check using 30 positive place invariants in 13 ms returned sat
[2023-03-16 21:02:13] [INFO ] [Nat]Absence check using 30 positive and 2 generalized place invariants in 18 ms returned sat
[2023-03-16 21:02:16] [INFO ] After 2705ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :16
[2023-03-16 21:02:19] [INFO ] After 2987ms SMT Verify possible using 2668 Read/Feed constraints in natural domain returned unsat :0 sat :16
[2023-03-16 21:02:23] [INFO ] After 6837ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :16
Attempting to minimize the solution found.
Minimization took 1888 ms.
[2023-03-16 21:02:25] [INFO ] After 12129ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :16
Fused 16 Parikh solutions to 14 different solutions.
Parikh walk visited 15 properties in 1766 ms.
Support contains 2 out of 1083 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1083/1083 places, 4500/4500 transitions.
Drop transitions removed 812 transitions
Redundant transition composition rules discarded 812 transitions
Iterating global reduction 0 with 812 rules applied. Total rules applied 812 place count 1083 transition count 3688
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 813 place count 1083 transition count 3687
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 814 place count 1082 transition count 3687
Partial Free-agglomeration rule applied 930 times.
Drop transitions removed 930 transitions
Iterating global reduction 1 with 930 rules applied. Total rules applied 1744 place count 1082 transition count 3687
Applied a total of 1744 rules in 697 ms. Remains 1082 /1083 variables (removed 1) and now considering 3687/4500 (removed 813) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 698 ms. Remains : 1082/1083 places, 3687/4500 transitions.
Finished random walk after 2832 steps, including 20 resets, run visited all 1 properties in 28 ms. (steps per millisecond=101 )
Able to resolve query QuasiLiveness after proving 1920 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 33321 ms.
ITS solved all properties within timeout

BK_STOP 1679000548387

--------------------
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="CANInsertWithFailure-PT-030"
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 CANInsertWithFailure-PT-030, 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-167813705500452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CANInsertWithFailure-PT-030.tgz
mv CANInsertWithFailure-PT-030 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 ;