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.r533-tall-167987253300264.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 PGCD-COL-D04N050, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r533-tall-167987253300264
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 448K
-rw-r--r-- 1 mcc users 6.3K Mar 23 15:24 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Mar 23 15:24 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Mar 23 15:20 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 23 15:20 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 9.6K Mar 23 15:26 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 103K Mar 23 15:26 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.2K Mar 23 15:26 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Mar 23 15:26 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_pt
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 11K Mar 31 16:48 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 1680810972892

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=PGCD-COL-D04N050
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2023-04-06 19:56:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-04-06 19:56:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 19:56:14] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2023-04-06 19:56:14] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-04-06 19:56:14] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 499 ms
[2023-04-06 19:56:15] [INFO ] Imported 3 HL places and 3 HL transitions for a total of 15 PT places and 15.0 transition bindings in 18 ms.
[2023-04-06 19:56:15] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 4 ms.
[2023-04-06 19:56:15] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2023-04-06 19:56:15] [INFO ] Unfolded HLPN to a Petri net with 15 places and 15 transitions 70 arcs in 5 ms.
[2023-04-06 19:56:15] [INFO ] Unfolded 0 HLPN properties in 0 ms.
[2023-04-06 19:56:15] [INFO ] Unfolded HLPN to a Petri net with 15 places and 15 transitions 70 arcs in 1 ms.
[2023-04-06 19:56:15] [INFO ] Unfolded 3 HLPN properties in 0 ms.
[2023-04-06 19:56:15] [INFO ] Built PT skeleton of HLPN with 3 places and 3 transitions 14 arcs in 0 ms.
[2023-04-06 19:56:15] [INFO ] Skeletonized 3 HLPN properties in 1 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Prefix of Interest using HLPN skeleton for deadlock discarded 0 places and 0 transitions.
Arc [2:1*[(MOD (ADD $x 1) 5)]] contains successor/predecessor on variables of sort CD
[2023-04-06 19:56:15] [INFO ] Unfolded HLPN to a Petri net with 15 places and 15 transitions 70 arcs in 2 ms.
[2023-04-06 19:56:15] [INFO ] Unfolded 3 HLPN properties in 1 ms.
Built sparse matrix representations for Structural reductions in 0 ms.24360KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 9 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
// Phase 1: matrix 15 rows 15 cols
[2023-04-06 19:56:15] [INFO ] Computed 6 invariants in 5 ms
[2023-04-06 19:56:15] [INFO ] Dead Transitions using invariants and state equation in 145 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 177 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 19:56:15] [INFO ] Invariant cache hit.
[2023-04-06 19:56:15] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-04-06 19:56:15] [INFO ] Invariant cache hit.
[2023-04-06 19:56:15] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 19:56:15] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-04-06 19:56:15] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 19:56:15] [INFO ] Invariant cache hit.
[2023-04-06 19:56:15] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 90 ms. Remains : 15/15 places, 15/15 transitions.
Random walk for 1250062 steps, including 0 resets, run took 290 ms (no deadlock found). (steps per millisecond=4310 )
Random directed walk for 1250046 steps, including 0 resets, run took 223 ms (no deadlock found). (steps per millisecond=5605 )
[2023-04-06 19:56:15] [INFO ] Invariant cache hit.
[2023-04-06 19:56:15] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-04-06 19:56:15] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 19:56:15] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 19:56:15] [INFO ] [Real]Absence check using state equation in 17 ms returned sat
[2023-04-06 19:56:15] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 19:56:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:56:15] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 19:56:15] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 19:56:15] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-04-06 19:56:15] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 19:56:15] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2023-04-06 19:56:15] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 19:56:15] [INFO ] Added : 1 causal constraints over 1 iterations in 9 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
Parikh directed walk for 23500 steps, including 171 resets, run took 34 ms. (steps per millisecond=691 )
Random directed walk for 500002 steps, including 0 resets, run took 88 ms (no deadlock found). (steps per millisecond=5681 )
Random walk for 500047 steps, including 0 resets, run took 90 ms (no deadlock found). (steps per millisecond=5556 )
Random directed walk for 500027 steps, including 0 resets, run took 84 ms (no deadlock found). (steps per millisecond=5952 )
Random walk for 500038 steps, including 0 resets, run took 86 ms (no deadlock found). (steps per millisecond=5814 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 15/15 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 2 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2023-04-06 19:56:16] [INFO ] Invariant cache hit.
[2023-04-06 19:56:16] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-04-06 19:56:16] [INFO ] Invariant cache hit.
[2023-04-06 19:56:16] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 19:56:16] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-04-06 19:56:16] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 19:56:16] [INFO ] Invariant cache hit.
[2023-04-06 19:56:16] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 106 ms. Remains : 15/15 places, 15/15 transitions.
Random walk for 1250017 steps, including 0 resets, run took 205 ms (no deadlock found). (steps per millisecond=6097 )
Random directed walk for 1250016 steps, including 0 resets, run took 193 ms (no deadlock found). (steps per millisecond=6476 )
[2023-04-06 19:56:16] [INFO ] Invariant cache hit.
[2023-04-06 19:56:16] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:56:16] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 19:56:16] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 19:56:16] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-06 19:56:16] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 19:56:16] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:56:16] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2023-04-06 19:56:16] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 19:56:16] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2023-04-06 19:56:16] [INFO ] State equation strengthened by 5 read => feed constraints.
[2023-04-06 19:56:16] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2023-04-06 19:56:16] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 0 ms.
[2023-04-06 19:56:16] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 1 ms.
Parikh directed walk for 23500 steps, including 170 resets, run took 25 ms. (steps per millisecond=940 )
Random directed walk for 500015 steps, including 0 resets, run took 77 ms (no deadlock found). (steps per millisecond=6493 )
Random walk for 500044 steps, including 0 resets, run took 98 ms (no deadlock found). (steps per millisecond=5102 )
Random directed walk for 500026 steps, including 0 resets, run took 78 ms (no deadlock found). (steps per millisecond=6410 )
Random walk for 500012 steps, including 0 resets, run took 78 ms (no deadlock found). (steps per millisecond=6410 )
[2023-04-06 19:56:17] [INFO ] Flatten gal took : 15 ms
[2023-04-06 19:56:17] [INFO ] Unfolded HLPN to a Petri net with 15 places and 15 transitions 70 arcs in 1 ms.
[2023-04-06 19:56:17] [INFO ] Unfolded 3 HLPN properties in 0 ms.
Initial state reduction rules removed 2 formulas.
Finished random walk after 53 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=13 )
Parikh walk visited 0 properties in 0 ms.
Able to resolve query QuasiLiveness after proving 3 properties.
Unable to solve all queries for examination Liveness. Remains :3 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 3 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 2931 ms.
starting LoLA
BK_INPUT PGCD-COL-D04N050
BK_EXAMINATION: Liveness
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution
GlobalProperty: Liveness

BK_STOP 1680811193873

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202304061127.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /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 High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: TR BINDINGS
lola: TR BINDINGS DONE
lola: Places: 15, Transitions: 15
lola: @ trans C
lola: @ trans A
lola: @ trans B
lola: LAUNCH SYMM
lola: reporting
lola: not produced: 15
lola: reporting
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/home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin//../BenchKit_head.sh: line 63: 491 Killed lola --conf=$BIN_DIR/configfiles/globalconf --check=Liveness $DIR/model.pnml

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="PGCD-COL-D04N050"
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 PGCD-COL-D04N050, 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 r533-tall-167987253300264"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-COL-D04N050.tgz
mv PGCD-COL-D04N050 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 ;