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-167863548300002.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 MultiwaySync-PT-none, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r277-smll-167863548300002
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 596K
-rw-r--r-- 1 mcc users 7.4K Feb 25 22:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Feb 25 22:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K Feb 25 22:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 25 22:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 16:26 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:26 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:26 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:26 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 25 22:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 25 22:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 22:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Feb 25 22:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:26 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 111K 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 1678871101101

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=MultiwaySync-PT-none
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-15 09:05:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-15 09:05:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 09:05:06] [INFO ] Load time of PNML (sax parser for PT used): 164 ms
[2023-03-15 09:05:06] [INFO ] Transformed 222 places.
[2023-03-15 09:05:06] [INFO ] Transformed 472 transitions.
[2023-03-15 09:05:06] [INFO ] Found NUPN structural information;
[2023-03-15 09:05:06] [INFO ] Parsed PT model containing 222 places and 472 transitions and 1496 arcs in 360 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 222/222 places, 472/472 transitions.
Ensure Unique test removed 83 transitions
Reduce isomorphic transitions removed 83 transitions.
Iterating post reduction 0 with 83 rules applied. Total rules applied 83 place count 222 transition count 389
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 2 Pre rules applied. Total rules applied 83 place count 222 transition count 387
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 87 place count 220 transition count 387
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 2 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 1 with 58 rules applied. Total rules applied 145 place count 191 transition count 358
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -33
Deduced a syphon composed of 4 places in 2 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 1 with 8 rules applied. Total rules applied 153 place count 187 transition count 391
Applied a total of 153 rules in 95 ms. Remains 187 /222 variables (removed 35) and now considering 391/472 (removed 81) transitions.
[2023-03-15 09:05:06] [INFO ] Flow matrix only has 318 transitions (discarded 73 similar events)
// Phase 1: matrix 318 rows 187 cols
[2023-03-15 09:05:06] [INFO ] Computed 25 place invariants in 27 ms
[2023-03-15 09:05:07] [INFO ] Implicit Places using invariants in 1004 ms returned []
[2023-03-15 09:05:07] [INFO ] Flow matrix only has 318 transitions (discarded 73 similar events)
[2023-03-15 09:05:07] [INFO ] Invariant cache hit.
[2023-03-15 09:05:07] [INFO ] State equation strengthened by 87 read => feed constraints.
[2023-03-15 09:05:08] [INFO ] Implicit Places using invariants and state equation in 1044 ms returned [186]
Discarding 1 places :
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Implicit Place search using SMT with State Equation took 2151 ms to find 1 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 186/222 places, 323/472 transitions.
Graph (trivial) has 203 edges and 186 vertex of which 97 / 186 are part of one of the 32 SCC in 6 ms
Free SCC test removed 65 places
Ensure Unique test removed 124 transitions
Reduce isomorphic transitions removed 124 transitions.
Drop transitions removed 18 transitions
Trivial Post-agglo rules discarded 18 transitions
Performed 18 trivial Post agglomeration. Transition count delta: 18
Iterating post reduction 0 with 18 rules applied. Total rules applied 19 place count 121 transition count 181
Reduce places removed 18 places and 0 transitions.
Iterating post reduction 1 with 18 rules applied. Total rules applied 37 place count 103 transition count 181
Applied a total of 37 rules in 18 ms. Remains 103 /186 variables (removed 83) and now considering 181/323 (removed 142) transitions.
[2023-03-15 09:05:08] [INFO ] Flow matrix only has 144 transitions (discarded 37 similar events)
// Phase 1: matrix 144 rows 103 cols
[2023-03-15 09:05:08] [INFO ] Computed 24 place invariants in 5 ms
[2023-03-15 09:05:08] [INFO ] Implicit Places using invariants in 160 ms returned []
[2023-03-15 09:05:08] [INFO ] Flow matrix only has 144 transitions (discarded 37 similar events)
[2023-03-15 09:05:08] [INFO ] Invariant cache hit.
[2023-03-15 09:05:08] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-15 09:05:08] [INFO ] Implicit Places using invariants and state equation in 254 ms returned []
Implicit Place search using SMT with State Equation took 417 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 103/222 places, 181/472 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 2683 ms. Remains : 103/222 places, 181/472 transitions.
Discarding 52 transitions out of 181. Remains 129
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 579 resets, run finished after 914 ms. (steps per millisecond=10 ) properties (out of 128) seen :109
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) 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 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 1000 steps, including 7 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 19) seen :0
Running SMT prover for 19 properties.
[2023-03-15 09:05:10] [INFO ] Flow matrix only has 144 transitions (discarded 37 similar events)
[2023-03-15 09:05:10] [INFO ] Invariant cache hit.
[2023-03-15 09:05:10] [INFO ] [Real]Absence check using 24 positive place invariants in 9 ms returned sat
[2023-03-15 09:05:10] [INFO ] After 669ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:19
[2023-03-15 09:05:11] [INFO ] [Nat]Absence check using 24 positive place invariants in 11 ms returned sat
[2023-03-15 09:05:11] [INFO ] After 312ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :19
[2023-03-15 09:05:11] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-15 09:05:11] [INFO ] After 225ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :19
[2023-03-15 09:05:12] [INFO ] After 619ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :19
Attempting to minimize the solution found.
Minimization took 262 ms.
[2023-03-15 09:05:12] [INFO ] After 1527ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :19
Parikh walk visited 0 properties in 25 ms.
Support contains 16 out of 103 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 103/103 places, 181/181 transitions.
Graph (complete) has 316 edges and 103 vertex of which 45 are kept as prefixes of interest. Removing 58 places using SCC suffix rule.2 ms
Discarding 58 places :
Also discarding 90 output transitions
Drop transitions removed 90 transitions
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 9 place count 45 transition count 83
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 15 place count 39 transition count 75
Iterating global reduction 1 with 6 rules applied. Total rules applied 21 place count 39 transition count 75
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 22 place count 39 transition count 74
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 24 place count 38 transition count 73
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 25 place count 38 transition count 73
Applied a total of 25 rules in 36 ms. Remains 38 /103 variables (removed 65) and now considering 73/181 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 37 ms. Remains : 38/103 places, 73/181 transitions.
Finished random walk after 221442 steps, including 32629 resets, run visited all 19 properties in 2264 ms. (steps per millisecond=97 )
Able to resolve query QuasiLiveness after proving 129 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 8920 ms.
ITS solved all properties within timeout

BK_STOP 1678871116013

--------------------
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="MultiwaySync-PT-none"
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 MultiwaySync-PT-none, 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-167863548300002"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MultiwaySync-PT-none.tgz
mv MultiwaySync-PT-none 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 ;