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.r181-tall-167838868800504.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 GPPP-PT-C0001N0000010000, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r181-tall-167838868800504
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 524K
-rw-r--r-- 1 mcc users 7.7K Feb 26 10:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 26 10:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 10:36 CTLFireability.txt
-rw-r--r-- 1 mcc users 80K Feb 26 10:36 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 16:10 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 16:10 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 16:10 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:10 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 10:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 112K Feb 26 10:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Feb 26 10:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Feb 26 10:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:10 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:10 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 17 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 1 Mar 5 18:22 large_marking
-rw-r--r-- 1 mcc users 21K 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 Liveness

=== Now, execution of the tool begins

BK_START 1678545194024

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=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=GPPP-PT-C0001N0000010000
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-11 14:33:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-11 14:33:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 14:33:15] [INFO ] Load time of PNML (sax parser for PT used): 25 ms
[2023-03-11 14:33:15] [INFO ] Transformed 33 places.
[2023-03-11 14:33:15] [INFO ] Transformed 22 transitions.
[2023-03-11 14:33:15] [INFO ] Parsed PT model containing 33 places and 22 transitions and 83 arcs in 85 ms.
Discarding 1 transitions out of 22. Remains 21
Built sparse matrix representations for Structural reductions in 5 ms.24983KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 22/22 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 14 ms. Remains 33 /33 variables (removed 0) and now considering 22/22 (removed 0) transitions.
// Phase 1: matrix 22 rows 33 cols
[2023-03-11 14:33:15] [INFO ] Computed 13 place invariants in 10 ms
[2023-03-11 14:33:16] [INFO ] Dead Transitions using invariants and state equation in 439 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 482 ms. Remains : 33/33 places, 22/22 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 33/33 places, 22/22 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 3 ms. Remains 33 /33 variables (removed 0) and now considering 22/22 (removed 0) transitions.
[2023-03-11 14:33:16] [INFO ] Invariant cache hit.
[2023-03-11 14:33:16] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-11 14:33:16] [INFO ] Invariant cache hit.
[2023-03-11 14:33:16] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 87 ms to find 0 implicit places.
[2023-03-11 14:33:16] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-11 14:33:16] [INFO ] Invariant cache hit.
[2023-03-11 14:33:16] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 145 ms. Remains : 33/33 places, 22/22 transitions.
Random walk for 1250000 steps, including 0 resets, run took 715 ms (no deadlock found). (steps per millisecond=1748 )
Random directed walk for 1250002 steps, including 0 resets, run took 562 ms (no deadlock found). (steps per millisecond=2224 )
[2023-03-11 14:33:17] [INFO ] Invariant cache hit.
[2023-03-11 14:33:17] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned sat
[2023-03-11 14:33:17] [INFO ] [Real]Absence check using 6 positive and 7 generalized place invariants in 3 ms returned sat
[2023-03-11 14:33:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-11 14:33:17] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2023-03-11 14:33:17] [INFO ] Solution in real domain found non-integer solution.
[2023-03-11 14:33:17] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2023-03-11 14:33:17] [INFO ] [Nat]Absence check using 6 positive and 7 generalized place invariants in 12 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 33/33 places, 22/22 transitions.
Graph (trivial) has 4 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 2 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 32 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 31 transition count 20
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 31 transition count 19
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 30 transition count 19
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 10 place count 27 transition count 17
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 13 place count 25 transition count 16
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 24 transition count 15
Applied a total of 15 rules in 14 ms. Remains 24 /33 variables (removed 9) and now considering 15/22 (removed 7) transitions.
// Phase 1: matrix 15 rows 24 cols
[2023-03-11 14:33:17] [INFO ] Computed 11 place invariants in 1 ms
[2023-03-11 14:33:17] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
[2023-03-11 14:33:17] [INFO ] Invariant cache hit.
[2023-03-11 14:33:17] [INFO ] Implicit Places using invariants in 38 ms returned [0, 1, 2, 3, 13]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 50 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 19/33 places, 15/22 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 19 transition count 13
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 17 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 16 transition count 12
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 10 place count 14 transition count 10
Applied a total of 10 rules in 4 ms. Remains 14 /19 variables (removed 5) and now considering 10/15 (removed 5) transitions.
// Phase 1: matrix 10 rows 14 cols
[2023-03-11 14:33:17] [INFO ] Computed 6 place invariants in 0 ms
[2023-03-11 14:33:17] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-11 14:33:17] [INFO ] Invariant cache hit.
[2023-03-11 14:33:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-11 14:33:17] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 14/33 places, 10/22 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 177 ms. Remains : 14/33 places, 10/22 transitions.
Discarding 1 transitions out of 10. Remains 9
Initial state reduction rules removed 1 formulas.
Finished random walk after 21 steps, including 0 resets, run visited all 8 properties in 19 ms. (steps per millisecond=1 )
Able to resolve query QuasiLiveness after proving 9 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 33/33 places, 22/22 transitions.
Graph (trivial) has 4 edges and 33 vertex of which 2 / 33 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 32 transition count 20
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 31 transition count 20
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 31 transition count 19
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 30 transition count 19
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 10 place count 27 transition count 17
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 3 rules applied. Total rules applied 13 place count 25 transition count 16
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 24 transition count 15
Applied a total of 15 rules in 2 ms. Remains 24 /33 variables (removed 9) and now considering 15/22 (removed 7) transitions.
// Phase 1: matrix 15 rows 24 cols
[2023-03-11 14:33:17] [INFO ] Computed 11 place invariants in 0 ms
[2023-03-11 14:33:17] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
[2023-03-11 14:33:17] [INFO ] Invariant cache hit.
[2023-03-11 14:33:17] [INFO ] Implicit Places using invariants in 50 ms returned [0, 1, 2, 3, 13]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 51 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 19/33 places, 15/22 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 19 transition count 13
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 17 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 4 place count 17 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 6 place count 16 transition count 12
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 10 place count 14 transition count 10
Applied a total of 10 rules in 2 ms. Remains 14 /19 variables (removed 5) and now considering 10/15 (removed 5) transitions.
// Phase 1: matrix 10 rows 14 cols
[2023-03-11 14:33:17] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-11 14:33:17] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-11 14:33:17] [INFO ] Invariant cache hit.
[2023-03-11 14:33:17] [INFO ] State equation strengthened by 2 read => feed constraints.
[2023-03-11 14:33:17] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 14/33 places, 10/22 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 165 ms. Remains : 14/33 places, 10/22 transitions.
Discarding 1 transitions out of 10. Remains 9
Unable to solve all queries for examination Liveness. Remains :9 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 9 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 2525 ms.
starting LoLA
BK_INPUT GPPP-PT-C0001N0000010000
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

FORMULA Liveness TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678545199062

--------------------
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 Liveness -timeout 180 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: LAUNCH SYMM
lola: The net is live

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="GPPP-PT-C0001N0000010000"
export BK_EXAMINATION="Liveness"
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 GPPP-PT-C0001N0000010000, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r181-tall-167838868800504"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPPP-PT-C0001N0000010000.tgz
mv GPPP-PT-C0001N0000010000 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property Liveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;