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-167905985200247.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-d0m96, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r437-tajo-167905985200247
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 440K
-rw-r--r-- 1 mcc users 5.4K Feb 26 10:25 CTLCardinality.txt
-rw-r--r-- 1 mcc users 52K Feb 26 10:25 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 10:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 64K Feb 26 10:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 17:05 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 17:05 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 17:05 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:05 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.6K Feb 26 10:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 26 10:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Feb 26 10:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 62K Feb 26 10:25 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 1679517219024

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-d0m96
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-22 20:33:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-22 20:33:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-22 20:33:41] [INFO ] Load time of PNML (sax parser for PT used): 70 ms
[2023-03-22 20:33:41] [INFO ] Transformed 262 places.
[2023-03-22 20:33:41] [INFO ] Transformed 73 transitions.
[2023-03-22 20:33:41] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 178 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 13 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 20:33:41] [INFO ] Computed 5 place invariants in 14 ms
[2023-03-22 20:33:41] [INFO ] Implicit Places using invariants in 296 ms returned []
[2023-03-22 20:33:41] [INFO ] Invariant cache hit.
[2023-03-22 20:33:41] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-22 20:33:41] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 516 ms to find 0 implicit places.
[2023-03-22 20:33:41] [INFO ] Invariant cache hit.
[2023-03-22 20:33:41] [INFO ] Dead Transitions using invariants and state equation in 125 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 673 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 2237 resets, run finished after 655 ms. (steps per millisecond=15 ) properties (out of 62) seen :21
Incomplete Best-First random walk after 1000 steps, including 55 resets, run finished after 29 ms. (steps per millisecond=34 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 33 ms. (steps per millisecond=30 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1001 steps, including 62 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 54 resets, run finished after 31 ms. (steps per millisecond=32 ) properties (out of 41) seen :0
Incomplete Best-First random walk after 1000 steps, including 41 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 41) seen :3
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 20 ms. (steps per millisecond=50 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 57 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 52 ms. (steps per millisecond=19 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1000 steps, including 37 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 38) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 38) seen :1
Incomplete Best-First random walk after 1001 steps, including 41 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 107 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 112 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 108 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 110 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 102 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 112 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 109 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 95 resets, run finished after 23 ms. (steps per millisecond=43 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 118 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 96 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 86 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 101 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 106 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1000 steps, including 116 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 37) seen :0
Incomplete Best-First random walk after 1001 steps, including 102 resets, run finished after 27 ms. (steps per millisecond=37 ) properties (out of 37) seen :0
Running SMT prover for 37 properties.
[2023-03-22 20:33:43] [INFO ] Invariant cache hit.
[2023-03-22 20:33:43] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 20:33:43] [INFO ] [Real]Absence check using 2 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-22 20:33:44] [INFO ] After 770ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:37
[2023-03-22 20:33:44] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-22 20:33:44] [INFO ] [Nat]Absence check using 2 positive and 3 generalized place invariants in 2 ms returned sat
[2023-03-22 20:33:44] [INFO ] After 257ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :37
[2023-03-22 20:33:44] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-22 20:33:44] [INFO ] After 274ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :37
[2023-03-22 20:33:45] [INFO ] Deduced a trap composed of 28 places in 101 ms of which 5 ms to minimize.
[2023-03-22 20:33:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 116 ms
[2023-03-22 20:33:45] [INFO ] After 786ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :37
Attempting to minimize the solution found.
Minimization took 230 ms.
[2023-03-22 20:33:45] [INFO ] After 1413ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :37
Parikh walk visited 17 properties in 4407 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 38 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 51 ms. Remains : 63/70 places, 65/73 transitions.
Interrupted random walk after 820180 steps, including 183667 resets, run timeout after 30001 ms. (steps per millisecond=27 ) properties seen 0
Incomplete Best-First random walk after 100001 steps, including 4796 resets, run finished after 1482 ms. (steps per millisecond=67 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4768 resets, run finished after 1172 ms. (steps per millisecond=85 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4860 resets, run finished after 1319 ms. (steps per millisecond=75 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4867 resets, run finished after 1441 ms. (steps per millisecond=69 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4914 resets, run finished after 1481 ms. (steps per millisecond=67 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4766 resets, run finished after 1577 ms. (steps per millisecond=63 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4805 resets, run finished after 1617 ms. (steps per millisecond=61 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4766 resets, run finished after 1447 ms. (steps per millisecond=69 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4826 resets, run finished after 1598 ms. (steps per millisecond=62 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 4772 resets, run finished after 1525 ms. (steps per millisecond=65 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 2644 ms. (steps per millisecond=37 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10476 resets, run finished after 2077 ms. (steps per millisecond=48 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10574 resets, run finished after 2012 ms. (steps per millisecond=49 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10391 resets, run finished after 1489 ms. (steps per millisecond=67 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10326 resets, run finished after 2109 ms. (steps per millisecond=47 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10189 resets, run finished after 2194 ms. (steps per millisecond=45 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10312 resets, run finished after 2139 ms. (steps per millisecond=46 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10409 resets, run finished after 2185 ms. (steps per millisecond=45 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10193 resets, run finished after 2192 ms. (steps per millisecond=45 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10274 resets, run finished after 2020 ms. (steps per millisecond=49 ) properties (out of 20) seen :0
Finished probabilistic random walk after 1620 steps, run visited all 20 properties in 58 ms. (steps per millisecond=27 )
Probabilistic random walk after 1620 steps, saw 849 distinct states, run finished after 59 ms. (steps per millisecond=27 ) 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 74909 ms.
ITS solved all properties within timeout

BK_STOP 1679517296184

--------------------
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-d0m96"
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-d0m96, 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-167905985200247"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m96.tgz
mv SieveSingleMsgMbox-PT-d0m96 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 ;