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-167987253300279.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is PGCD-PT-D02N006, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r533-tall-167987253300279
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 5.7K Mar 23 15:27 CTLCardinality.txt
-rw-r--r-- 1 mcc users 58K Mar 23 15:27 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Mar 23 15:24 CTLFireability.txt
-rw-r--r-- 1 mcc users 48K Mar 23 15:24 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Mar 23 07:07 LTLCardinality.txt
-rw-r--r-- 1 mcc users 29K Mar 23 07:07 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K Mar 23 07:07 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 23 07:07 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 Mar 26 22:42 NewModel
-rw-r--r-- 1 mcc users 13K Mar 23 15:27 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 23 15:27 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Mar 23 15:27 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 111K Mar 23 15:27 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 23 07:07 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.3K Mar 23 07:07 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 26 22:42 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 26 22:42 instance
-rw-r--r-- 1 mcc users 6 Mar 26 22:42 iscolored
-rw-r--r-- 1 mcc users 5.6K 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 1680811124781

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-PT-D02N006
Applying reductions before tool lola
Invoking reducer
Running Version 202304061127
[2023-04-06 19:58:47] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-04-06 19:58:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-04-06 19:58:47] [INFO ] Load time of PNML (sax parser for PT used): 20 ms
[2023-04-06 19:58:47] [INFO ] Transformed 9 places.
[2023-04-06 19:58:47] [INFO ] Transformed 9 transitions.
[2023-04-06 19:58:47] [INFO ] Parsed PT model containing 9 places and 9 transitions and 42 arcs in 76 ms.
Discarding 3 transitions out of 9. Remains 6
Built sparse matrix representations for Structural reductions in 5 ms.24806KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 9/9 places, 9/9 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 11 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
// Phase 1: matrix 9 rows 9 cols
[2023-04-06 19:58:47] [INFO ] Computed 4 invariants in 6 ms
[2023-04-06 19:58:47] [INFO ] Dead Transitions using invariants and state equation in 138 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 174 ms. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 9/9 places, 9/9 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 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2023-04-06 19:58:47] [INFO ] Invariant cache hit.
[2023-04-06 19:58:47] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-04-06 19:58:47] [INFO ] Invariant cache hit.
[2023-04-06 19:58:47] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-06 19:58:47] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2023-04-06 19:58:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 19:58:47] [INFO ] Invariant cache hit.
[2023-04-06 19:58:47] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 126 ms. Remains : 9/9 places, 9/9 transitions.
Random walk for 1250000 steps, including 0 resets, run took 345 ms (no deadlock found). (steps per millisecond=3623 )
Random directed walk for 1250004 steps, including 0 resets, run took 243 ms (no deadlock found). (steps per millisecond=5144 )
[2023-04-06 19:58:48] [INFO ] Invariant cache hit.
[2023-04-06 19:58:48] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:58:48] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-06 19:58:48] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 19:58:48] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-06 19:58:48] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 19:58:48] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:58:48] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-06 19:58:48] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 19:58:48] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-04-06 19:58:48] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-06 19:58:48] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-06 19:58:48] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 19:58:48] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 3 ms.
Parikh directed walk for 1800 steps, including 111 resets, run took 5 ms. (steps per millisecond=360 )
Random directed walk for 500001 steps, including 0 resets, run took 100 ms (no deadlock found). (steps per millisecond=5000 )
Random walk for 500002 steps, including 0 resets, run took 97 ms (no deadlock found). (steps per millisecond=5154 )
Random directed walk for 500000 steps, including 0 resets, run took 90 ms (no deadlock found). (steps per millisecond=5555 )
Random walk for 500007 steps, including 0 resets, run took 93 ms (no deadlock found). (steps per millisecond=5376 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 9/9 places, 9/9 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 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2023-04-06 19:58:49] [INFO ] Invariant cache hit.
[2023-04-06 19:58:49] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-04-06 19:58:49] [INFO ] Invariant cache hit.
[2023-04-06 19:58:49] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-06 19:58:49] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
[2023-04-06 19:58:49] [INFO ] Redundant transitions in 0 ms returned []
[2023-04-06 19:58:49] [INFO ] Invariant cache hit.
[2023-04-06 19:58:49] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 102 ms. Remains : 9/9 places, 9/9 transitions.
Random walk for 1250006 steps, including 0 resets, run took 249 ms (no deadlock found). (steps per millisecond=5020 )
Random directed walk for 1250002 steps, including 0 resets, run took 241 ms (no deadlock found). (steps per millisecond=5186 )
[2023-04-06 19:58:49] [INFO ] Invariant cache hit.
[2023-04-06 19:58:49] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:58:49] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2023-04-06 19:58:49] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-04-06 19:58:49] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-04-06 19:58:49] [INFO ] Solution in real domain found non-integer solution.
[2023-04-06 19:58:49] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-04-06 19:58:49] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2023-04-06 19:58:49] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-04-06 19:58:49] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2023-04-06 19:58:49] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-04-06 19:58:49] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2023-04-06 19:58:49] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-04-06 19:58:49] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 0 ms.
Parikh directed walk for 1800 steps, including 111 resets, run took 4 ms. (steps per millisecond=450 )
Random directed walk for 500002 steps, including 0 resets, run took 90 ms (no deadlock found). (steps per millisecond=5555 )
Random walk for 500001 steps, including 0 resets, run took 101 ms (no deadlock found). (steps per millisecond=4950 )
Random directed walk for 500000 steps, including 0 resets, run took 90 ms (no deadlock found). (steps per millisecond=5555 )
Random walk for 500003 steps, including 0 resets, run took 103 ms (no deadlock found). (steps per millisecond=4854 )
[2023-04-06 19:58:50] [INFO ] Flatten gal took : 18 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2023-04-06 19:58:50] [INFO ] Invariant cache hit.
[2023-04-06 19:58:50] [INFO ] Dead Transitions using invariants and state equation in 31 ms found 0 transitions.
[2023-04-06 19:58:50] [INFO ] Invariant cache hit.
[2023-04-06 19:58:50] [INFO ] Implicit Places using invariants in 39 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 42 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 75 ms. Remains : 6/9 places, 9/9 transitions.
Discarding 3 transitions out of 9. Remains 6
Initial state reduction rules removed 3 formulas.
Finished random walk after 31 steps, including 0 resets, run visited all 3 properties in 7 ms. (steps per millisecond=4 )
Parikh walk visited 0 properties in 0 ms.
Able to resolve query QuasiLiveness after proving 6 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2023-04-06 19:58:50] [INFO ] Invariant cache hit.
[2023-04-06 19:58:50] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
[2023-04-06 19:58:50] [INFO ] Invariant cache hit.
[2023-04-06 19:58:50] [INFO ] Implicit Places using invariants in 40 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 42 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 82 ms. Remains : 6/9 places, 9/9 transitions.
Discarding 3 transitions out of 9. Remains 6
Unable to solve all queries for examination Liveness. Remains :6 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 6 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 3016 ms.
starting LoLA
BK_INPUT PGCD-PT-D02N006
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 1680811131433

--------------------
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_1.0.0.202304061127.jar
+ 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 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="PGCD-PT-D02N006"
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-PT-D02N006, 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-167987253300279"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D02N006.tgz
mv PGCD-PT-D02N006 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 ;