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-167905985200242.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-d0m64, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r437-tajo-167905985200242
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 444K
-rw-r--r-- 1 mcc users 6.0K Feb 26 10:30 CTLCardinality.txt
-rw-r--r-- 1 mcc users 60K Feb 26 10:30 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 26 10:29 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 10:29 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 10:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K Feb 26 10:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 26 10:30 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 10:30 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 57K 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 1679517204072

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-d0m64
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 20:33:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-22 20:33:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:33:25] [INFO ] Load time of PNML (sax parser for PT used): 39 ms
[2023-03-22 20:33:25] [INFO ] Transformed 262 places.
[2023-03-22 20:33:25] [INFO ] Transformed 73 transitions.
[2023-03-22 20:33:25] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 99 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 262/262 places, 73/73 transitions.
Reduce places removed 192 places and 0 transitions.
Iterating post reduction 0 with 192 rules applied. Total rules applied 192 place count 70 transition count 73
Applied a total of 192 rules in 10 ms. Remains 70 /262 variables (removed 192) and now considering 73/73 (removed 0) transitions.
// Phase 1: matrix 73 rows 70 cols
[2023-03-22 20:33:25] [INFO ] Computed 5 place invariants in 9 ms
[2023-03-22 20:33:26] [INFO ] Implicit Places using invariants in 213 ms returned []
[2023-03-22 20:33:26] [INFO ] Invariant cache hit.
[2023-03-22 20:33:26] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-22 20:33:26] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 353 ms to find 0 implicit places.
[2023-03-22 20:33:26] [INFO ] Invariant cache hit.
[2023-03-22 20:33:26] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 70/262 places, 73/73 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 414 ms. Remains : 70/262 places, 73/73 transitions.
Discarding 10 transitions out of 73. Remains 63
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2215 resets, run finished after 497 ms. (steps per millisecond=20 ) properties (out of 62) seen :26
Incomplete Best-First random walk after 1000 steps, including 40 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 39 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 39 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 54 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1000 steps, including 46 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 40 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 36) seen :0
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 36) seen :1
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 43 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 96 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 112 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 104 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 116 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 96 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 105 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 92 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 94 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 108 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 114 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 104 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1001 steps, including 104 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 35) seen :0
Incomplete Best-First random walk after 1000 steps, including 109 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 35) seen :0
Running SMT prover for 35 properties.
[2023-03-22 20:33:27] [INFO ] Invariant cache hit.
[2023-03-22 20:33:27] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 20:33:27] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-22 20:33:27] [INFO ] After 361ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:35
[2023-03-22 20:33:27] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 20:33:27] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-22 20:33:27] [INFO ] After 167ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :35
[2023-03-22 20:33:27] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-22 20:33:27] [INFO ] After 212ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :35
[2023-03-22 20:33:28] [INFO ] Deduced a trap composed of 28 places in 30 ms of which 4 ms to minimize.
[2023-03-22 20:33:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
[2023-03-22 20:33:28] [INFO ] After 529ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :35
Attempting to minimize the solution found.
Minimization took 255 ms.
[2023-03-22 20:33:28] [INFO ] After 1086ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :35
Parikh walk visited 15 properties in 3826 ms.
Support contains 27 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 65 transition count 68
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 65 transition count 68
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 64 transition count 67
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 64 transition count 67
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 63 transition count 66
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 63 transition count 66
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 63 transition count 65
Applied a total of 15 rules in 23 ms. Remains 63 /70 variables (removed 7) and now considering 65/73 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 63/70 places, 65/73 transitions.
Incomplete random walk after 1000000 steps, including 223421 resets, run finished after 26234 ms. (steps per millisecond=38 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4760 resets, run finished after 1002 ms. (steps per millisecond=99 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4861 resets, run finished after 889 ms. (steps per millisecond=112 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4802 resets, run finished after 972 ms. (steps per millisecond=102 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4835 resets, run finished after 952 ms. (steps per millisecond=105 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4794 resets, run finished after 961 ms. (steps per millisecond=104 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4830 resets, run finished after 892 ms. (steps per millisecond=112 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4834 resets, run finished after 1112 ms. (steps per millisecond=89 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4745 resets, run finished after 999 ms. (steps per millisecond=100 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4866 resets, run finished after 927 ms. (steps per millisecond=107 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4879 resets, run finished after 844 ms. (steps per millisecond=118 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1633 ms. (steps per millisecond=61 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10477 resets, run finished after 1276 ms. (steps per millisecond=78 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10505 resets, run finished after 1264 ms. (steps per millisecond=79 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10209 resets, run finished after 1297 ms. (steps per millisecond=77 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10249 resets, run finished after 1240 ms. (steps per millisecond=80 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10342 resets, run finished after 1277 ms. (steps per millisecond=78 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10213 resets, run finished after 1253 ms. (steps per millisecond=79 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10244 resets, run finished after 1266 ms. (steps per millisecond=78 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10325 resets, run finished after 1307 ms. (steps per millisecond=76 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10379 resets, run finished after 1295 ms. (steps per millisecond=77 ) properties (out of 20) seen :0
Finished probabilistic random walk after 1620 steps, run visited all 20 properties in 30 ms. (steps per millisecond=54 )
Probabilistic random walk after 1620 steps, saw 849 distinct states, run finished after 31 ms. (steps per millisecond=52 ) properties seen :20
Able to resolve query QuasiLiveness after proving 63 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 55627 ms.
ITS solved all properties within timeout

BK_STOP 1679517261421

--------------------
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-d0m64"
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-d0m64, 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-167905985200242"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m64.tgz
mv SieveSingleMsgMbox-PT-d0m64 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 ;