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.r277-smll-167863548800377.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 Peterson-PT-2, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548800377
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 868K
-rw-r--r-- 1 mcc users 13K Feb 25 22:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 25 22:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 22K Feb 25 22:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 124K Feb 25 22:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 9.2K Feb 25 16:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 38K Feb 25 16:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 6.5K Feb 25 16:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 31K Feb 25 16:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 25 22:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Feb 25 22:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 33K Feb 25 22:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 185K Feb 25 22:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.6K Feb 25 16:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.8K Feb 25 16:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 100K 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 1678883208218

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=Peterson-PT-2
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 12:26:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 12:26:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 12:26:51] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2023-03-15 12:26:51] [INFO ] Transformed 102 places.
[2023-03-15 12:26:51] [INFO ] Transformed 126 transitions.
[2023-03-15 12:26:51] [INFO ] Found NUPN structural information;
[2023-03-15 12:26:51] [INFO ] Parsed PT model containing 102 places and 126 transitions and 384 arcs in 195 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 102/102 places, 126/126 transitions.
Drop transitions removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 36 place count 102 transition count 90
Reduce places removed 36 places and 0 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 72 place count 66 transition count 90
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 18 Pre rules applied. Total rules applied 72 place count 66 transition count 72
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 108 place count 48 transition count 72
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 120 place count 42 transition count 66
Applied a total of 120 rules in 25 ms. Remains 42 /102 variables (removed 60) and now considering 66/126 (removed 60) transitions.
[2023-03-15 12:26:51] [INFO ] Flow matrix only has 60 transitions (discarded 6 similar events)
// Phase 1: matrix 60 rows 42 cols
[2023-03-15 12:26:51] [INFO ] Computed 11 place invariants in 7 ms
[2023-03-15 12:26:51] [INFO ] Implicit Places using invariants in 308 ms returned [31, 33, 34]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 352 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 39/102 places, 66/126 transitions.
Applied a total of 0 rules in 2 ms. Remains 39 /39 variables (removed 0) and now considering 66/66 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 379 ms. Remains : 39/102 places, 66/126 transitions.
Discarding 3 transitions out of 66. Remains 63
Incomplete random walk after 10000 steps, including 2 resets, run finished after 625 ms. (steps per millisecond=16 ) properties (out of 63) seen :38
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 25) seen :6
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 19) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 17) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 15) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 13) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 11) seen :2
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 9) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 9) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 8) seen :0
Running SMT prover for 8 properties.
[2023-03-15 12:26:52] [INFO ] Flow matrix only has 60 transitions (discarded 6 similar events)
// Phase 1: matrix 60 rows 39 cols
[2023-03-15 12:26:52] [INFO ] Computed 8 place invariants in 2 ms
[2023-03-15 12:26:52] [INFO ] [Real]Absence check using 8 positive place invariants in 4 ms returned sat
[2023-03-15 12:26:52] [INFO ] After 216ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:8
[2023-03-15 12:26:52] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-15 12:26:52] [INFO ] After 66ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :8
[2023-03-15 12:26:52] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 12:26:52] [INFO ] After 47ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :8
[2023-03-15 12:26:52] [INFO ] Deduced a trap composed of 10 places in 47 ms of which 7 ms to minimize.
[2023-03-15 12:26:52] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 1 ms to minimize.
[2023-03-15 12:26:52] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 103 ms
[2023-03-15 12:26:53] [INFO ] Deduced a trap composed of 7 places in 34 ms of which 2 ms to minimize.
[2023-03-15 12:26:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2023-03-15 12:26:53] [INFO ] Deduced a trap composed of 7 places in 32 ms of which 1 ms to minimize.
[2023-03-15 12:26:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 42 ms
[2023-03-15 12:26:53] [INFO ] Deduced a trap composed of 6 places in 34 ms of which 1 ms to minimize.
[2023-03-15 12:26:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
[2023-03-15 12:26:53] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 0 ms to minimize.
[2023-03-15 12:26:53] [INFO ] Deduced a trap composed of 10 places in 33 ms of which 0 ms to minimize.
[2023-03-15 12:26:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 80 ms
[2023-03-15 12:26:53] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 1 ms to minimize.
[2023-03-15 12:26:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 41 ms
[2023-03-15 12:26:53] [INFO ] After 466ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :8
Attempting to minimize the solution found.
Minimization took 35 ms.
[2023-03-15 12:26:53] [INFO ] After 649ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :8
Parikh walk visited 6 properties in 466 ms.
Support contains 3 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 66/66 transitions.
Applied a total of 0 rules in 12 ms. Remains 39 /39 variables (removed 0) and now considering 66/66 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 39/39 places, 66/66 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 8182 ms. (steps per millisecond=122 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 702 ms. (steps per millisecond=1424 ) properties (out of 2) seen :1
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 422 ms. (steps per millisecond=2369 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-15 12:27:03] [INFO ] Flow matrix only has 60 transitions (discarded 6 similar events)
[2023-03-15 12:27:03] [INFO ] Invariant cache hit.
[2023-03-15 12:27:03] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-15 12:27:03] [INFO ] After 39ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-15 12:27:03] [INFO ] State equation strengthened by 22 read => feed constraints.
[2023-03-15 12:27:03] [INFO ] After 14ms SMT Verify possible using 22 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:27:03] [INFO ] After 119ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-15 12:27:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-15 12:27:03] [INFO ] After 29ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-15 12:27:03] [INFO ] After 8ms SMT Verify possible using 22 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-15 12:27:03] [INFO ] Deduced a trap composed of 6 places in 25 ms of which 1 ms to minimize.
[2023-03-15 12:27:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 32 ms
[2023-03-15 12:27:03] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-15 12:27:03] [INFO ] After 119ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 2 out of 39 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 39/39 places, 66/66 transitions.
Applied a total of 0 rules in 3 ms. Remains 39 /39 variables (removed 0) and now considering 66/66 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 39/39 places, 66/66 transitions.
Incomplete random walk after 1000000 steps, including 2 resets, run finished after 1062 ms. (steps per millisecond=941 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 2 resets, run finished after 420 ms. (steps per millisecond=2380 ) properties (out of 1) seen :0
Finished probabilistic random walk after 1738 steps, run visited all 1 properties in 17 ms. (steps per millisecond=102 )
Probabilistic random walk after 1738 steps, saw 445 distinct states, run finished after 17 ms. (steps per millisecond=102 ) properties seen :1
Able to resolve query QuasiLiveness after proving 63 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL
Total runtime 13882 ms.
ITS solved all properties within timeout

BK_STOP 1678883225694

--------------------
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="Peterson-PT-2"
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 Peterson-PT-2, 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 r277-smll-167863548800377"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-2.tgz
mv Peterson-PT-2 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 ;