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-167814495500252.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-05b, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495500252
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 412K
-rw-r--r-- 1 mcc users 5.6K Feb 26 15:43 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 26 15:43 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 26 15:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 63K Feb 26 15:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 15:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K 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 6.2K Feb 26 15:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 26 15:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K Feb 26 15:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 48K Feb 26 15:43 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 73K 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 1679413876544

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-05b
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:51:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:51:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:51:18] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2023-03-21 15:51:18] [INFO ] Transformed 300 places.
[2023-03-21 15:51:18] [INFO ] Transformed 251 transitions.
[2023-03-21 15:51:18] [INFO ] Found NUPN structural information;
[2023-03-21 15:51:18] [INFO ] Parsed PT model containing 300 places and 251 transitions and 747 arcs in 115 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 300/300 places, 251/251 transitions.
Reduce places removed 3 places and 0 transitions.
Drop transitions removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 26 rules applied. Total rules applied 26 place count 297 transition count 228
Reduce places removed 23 places and 0 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 49 place count 274 transition count 228
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 9 Pre rules applied. Total rules applied 49 place count 274 transition count 219
Deduced a syphon composed of 9 places in 2 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 2 with 18 rules applied. Total rules applied 67 place count 265 transition count 219
Performed 91 Post agglomeration using F-continuation condition.Transition count delta: 91
Deduced a syphon composed of 91 places in 1 ms
Reduce places removed 91 places and 0 transitions.
Iterating global reduction 2 with 182 rules applied. Total rules applied 249 place count 174 transition count 128
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -16
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 257 place count 170 transition count 144
Applied a total of 257 rules in 41 ms. Remains 170 /300 variables (removed 130) and now considering 144/251 (removed 107) transitions.
// Phase 1: matrix 144 rows 170 cols
[2023-03-21 15:51:18] [INFO ] Computed 62 place invariants in 21 ms
[2023-03-21 15:51:18] [INFO ] Implicit Places using invariants in 345 ms returned [55]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 369 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 169/300 places, 144/251 transitions.
Applied a total of 0 rules in 3 ms. Remains 169 /169 variables (removed 0) and now considering 144/144 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 414 ms. Remains : 169/300 places, 144/251 transitions.
Discarding 45 transitions out of 144. Remains 99
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 352 resets, run finished after 453 ms. (steps per millisecond=22 ) properties (out of 98) seen :85
Incomplete Best-First random walk after 10001 steps, including 49 resets, run finished after 48 ms. (steps per millisecond=208 ) properties (out of 13) seen :1
Incomplete Best-First random walk after 10001 steps, including 53 resets, run finished after 47 ms. (steps per millisecond=212 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 42 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 10001 steps, including 45 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 10) seen :1
Incomplete Best-First random walk after 10001 steps, including 45 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 46 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 47 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 47 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 43 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 10001 steps, including 49 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 9) seen :0
Running SMT prover for 9 properties.
// Phase 1: matrix 144 rows 169 cols
[2023-03-21 15:51:19] [INFO ] Computed 61 place invariants in 8 ms
[2023-03-21 15:51:19] [INFO ] [Real]Absence check using 32 positive place invariants in 6 ms returned sat
[2023-03-21 15:51:19] [INFO ] [Real]Absence check using 32 positive and 29 generalized place invariants in 9 ms returned sat
[2023-03-21 15:51:19] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:9
[2023-03-21 15:51:19] [INFO ] [Nat]Absence check using 32 positive place invariants in 6 ms returned sat
[2023-03-21 15:51:19] [INFO ] [Nat]Absence check using 32 positive and 29 generalized place invariants in 13 ms returned sat
[2023-03-21 15:51:20] [INFO ] After 264ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :9
[2023-03-21 15:51:20] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-21 15:51:20] [INFO ] After 158ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :0 sat :9
[2023-03-21 15:51:20] [INFO ] After 397ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :9
Attempting to minimize the solution found.
Minimization took 176 ms.
[2023-03-21 15:51:20] [INFO ] After 1073ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :9
Parikh walk visited 1 properties in 4421 ms.
Support contains 15 out of 169 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 169/169 places, 144/144 transitions.
Drop transitions removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 169 transition count 143
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 18 place count 152 transition count 106
Iterating global reduction 1 with 17 rules applied. Total rules applied 35 place count 152 transition count 106
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 45 place count 152 transition count 96
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 3 Pre rules applied. Total rules applied 45 place count 152 transition count 93
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 51 place count 149 transition count 93
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 55 place count 145 transition count 89
Iterating global reduction 2 with 4 rules applied. Total rules applied 59 place count 145 transition count 89
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 63 place count 145 transition count 85
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 144 transition count 85
Free-agglomeration rule applied 1 times.
Iterating global reduction 3 with 1 rules applied. Total rules applied 66 place count 144 transition count 84
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 67 place count 143 transition count 84
Free-agglomeration rule (complex) applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 68 place count 143 transition count 83
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 69 place count 142 transition count 83
Applied a total of 69 rules in 51 ms. Remains 142 /169 variables (removed 27) and now considering 83/144 (removed 61) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 51 ms. Remains : 142/169 places, 83/144 transitions.
Incomplete random walk after 1000000 steps, including 45857 resets, run finished after 14312 ms. (steps per millisecond=69 ) properties (out of 8) seen :3
Incomplete Best-First random walk after 1000001 steps, including 9398 resets, run finished after 3246 ms. (steps per millisecond=308 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9594 resets, run finished after 3280 ms. (steps per millisecond=304 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9484 resets, run finished after 3000 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 9449 resets, run finished after 2780 ms. (steps per millisecond=359 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9593 resets, run finished after 2866 ms. (steps per millisecond=348 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 83 rows 142 cols
[2023-03-21 15:51:54] [INFO ] Computed 62 place invariants in 2 ms
[2023-03-21 15:51:54] [INFO ] [Real]Absence check using 34 positive place invariants in 8 ms returned sat
[2023-03-21 15:51:54] [INFO ] [Real]Absence check using 34 positive and 28 generalized place invariants in 6 ms returned sat
[2023-03-21 15:51:54] [INFO ] After 59ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:3
[2023-03-21 15:51:54] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:51:54] [INFO ] After 15ms SMT Verify possible using 3 Read/Feed constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-21 15:51:54] [INFO ] After 151ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-21 15:51:54] [INFO ] [Nat]Absence check using 34 positive place invariants in 4 ms returned sat
[2023-03-21 15:51:54] [INFO ] [Nat]Absence check using 34 positive and 28 generalized place invariants in 6 ms returned sat
[2023-03-21 15:51:55] [INFO ] After 197ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-21 15:51:55] [INFO ] After 38ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-21 15:51:55] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 0 ms to minimize.
[2023-03-21 15:51:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2023-03-21 15:51:55] [INFO ] After 265ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 44 ms.
[2023-03-21 15:51:55] [INFO ] After 581ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 1020 ms.
Support contains 11 out of 142 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 142/142 places, 83/83 transitions.
Applied a total of 0 rules in 6 ms. Remains 142 /142 variables (removed 0) and now considering 83/83 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 142/142 places, 83/83 transitions.
Incomplete random walk after 1000000 steps, including 45851 resets, run finished after 8434 ms. (steps per millisecond=118 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9457 resets, run finished after 2977 ms. (steps per millisecond=335 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 9407 resets, run finished after 3180 ms. (steps per millisecond=314 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000000 steps, including 9545 resets, run finished after 3154 ms. (steps per millisecond=317 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9548 resets, run finished after 3218 ms. (steps per millisecond=310 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1000001 steps, including 9675 resets, run finished after 3252 ms. (steps per millisecond=307 ) properties (out of 5) seen :0
Finished probabilistic random walk after 100084 steps, run visited all 5 properties in 391 ms. (steps per millisecond=255 )
Probabilistic random walk after 100084 steps, saw 23750 distinct states, run finished after 392 ms. (steps per millisecond=255 ) properties seen :5
Able to resolve query QuasiLiveness after proving 99 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 62994 ms.
ITS solved all properties within timeout

BK_STOP 1679413942278

--------------------
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-05b"
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-05b, 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-167814495500252"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DES-PT-05b.tgz
mv DES-PT-05b 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 ;