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.r117-tall-167814495500257.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 lolaxred
Input is DES-PT-10a, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495500257
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 520K
-rw-r--r-- 1 mcc users 7.8K Feb 26 15:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Feb 26 15:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 26 15:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K Feb 26 15:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.3K Feb 25 15:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Feb 25 15:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 15:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 117K Feb 26 15:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 15:49 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K Feb 26 15:49 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K Feb 25 15:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 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 43K 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 1679413897752

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=DES-PT-10a
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:51:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:51:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:51:39] [INFO ] Load time of PNML (sax parser for PT used): 41 ms
[2023-03-21 15:51:39] [INFO ] Transformed 155 places.
[2023-03-21 15:51:39] [INFO ] Transformed 112 transitions.
[2023-03-21 15:51:39] [INFO ] Found NUPN structural information;
[2023-03-21 15:51:39] [INFO ] Parsed PT model containing 155 places and 112 transitions and 552 arcs in 100 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 155/155 places, 112/112 transitions.
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 0 with 14 rules applied. Total rules applied 14 place count 155 transition count 98
Applied a total of 14 rules in 11 ms. Remains 155 /155 variables (removed 0) and now considering 98/112 (removed 14) transitions.
// Phase 1: matrix 98 rows 155 cols
[2023-03-21 15:51:39] [INFO ] Computed 59 place invariants in 23 ms
[2023-03-21 15:51:39] [INFO ] Implicit Places using invariants in 334 ms returned [52]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 358 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 154/155 places, 98/112 transitions.
Applied a total of 0 rules in 3 ms. Remains 154 /154 variables (removed 0) and now considering 98/98 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 372 ms. Remains : 154/155 places, 98/112 transitions.
Discarding 9 transitions out of 98. Remains 89
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 215 resets, run finished after 489 ms. (steps per millisecond=20 ) properties (out of 88) seen :65
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 4 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1000 steps, including 4 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 23) seen :0
Running SMT prover for 23 properties.
// Phase 1: matrix 98 rows 154 cols
[2023-03-21 15:51:40] [INFO ] Computed 58 place invariants in 7 ms
[2023-03-21 15:51:40] [INFO ] [Real]Absence check using 33 positive place invariants in 6 ms returned sat
[2023-03-21 15:51:40] [INFO ] [Real]Absence check using 33 positive and 25 generalized place invariants in 7 ms returned sat
[2023-03-21 15:51:40] [INFO ] After 250ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:23
[2023-03-21 15:51:40] [INFO ] [Nat]Absence check using 33 positive place invariants in 8 ms returned sat
[2023-03-21 15:51:41] [INFO ] [Nat]Absence check using 33 positive and 25 generalized place invariants in 29 ms returned sat
[2023-03-21 15:51:41] [INFO ] After 501ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :23
[2023-03-21 15:51:42] [INFO ] Deduced a trap composed of 13 places in 46 ms of which 5 ms to minimize.
[2023-03-21 15:51:42] [INFO ] Deduced a trap composed of 9 places in 57 ms of which 1 ms to minimize.
[2023-03-21 15:51:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 132 ms
[2023-03-21 15:51:42] [INFO ] After 1172ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :23
Attempting to minimize the solution found.
Minimization took 356 ms.
[2023-03-21 15:51:42] [INFO ] After 1863ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :23
Parikh walk visited 21 properties in 5649 ms.
Support contains 4 out of 154 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 154/154 places, 98/98 transitions.
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 154 transition count 96
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 153 transition count 95
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 153 transition count 95
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 1 with 6 rules applied. Total rules applied 10 place count 153 transition count 95
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 152 transition count 94
Applied a total of 11 rules in 47 ms. Remains 152 /154 variables (removed 2) and now considering 94/98 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 152/154 places, 94/98 transitions.
Incomplete random walk after 1000000 steps, including 13612 resets, run finished after 7120 ms. (steps per millisecond=140 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2260 resets, run finished after 1664 ms. (steps per millisecond=600 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2254 resets, run finished after 1628 ms. (steps per millisecond=614 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 14439073 steps, run timeout after 30001 ms. (steps per millisecond=481 ) properties seen :{}
Probabilistic random walk after 14439073 steps, saw 1789302 distinct states, run finished after 30004 ms. (steps per millisecond=481 ) properties seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 94 rows 152 cols
[2023-03-21 15:52:28] [INFO ] Computed 60 place invariants in 4 ms
[2023-03-21 15:52:28] [INFO ] [Real]Absence check using 35 positive place invariants in 7 ms returned sat
[2023-03-21 15:52:28] [INFO ] [Real]Absence check using 35 positive and 25 generalized place invariants in 7 ms returned sat
[2023-03-21 15:52:28] [INFO ] After 59ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 15:52:28] [INFO ] [Nat]Absence check using 35 positive place invariants in 11 ms returned sat
[2023-03-21 15:52:28] [INFO ] [Nat]Absence check using 35 positive and 25 generalized place invariants in 7 ms returned sat
[2023-03-21 15:52:29] [INFO ] After 51ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-21 15:52:29] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-21 15:52:29] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-21 15:52:29] [INFO ] After 46ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 13 ms.
[2023-03-21 15:52:29] [INFO ] After 209ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Finished Parikh walk after 9630 steps, including 58 resets, run visited all 2 properties in 49 ms. (steps per millisecond=196 )
Parikh walk visited 2 properties in 48 ms.
Able to resolve query QuasiLiveness after proving 89 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 49855 ms.
ITS solved all properties within timeout

BK_STOP 1679413950655

--------------------
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="DES-PT-10a"
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 DES-PT-10a, 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 r117-tall-167814495500257"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-10a.tgz
mv DES-PT-10a 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 ;