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.r245-tall-167856432200089.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 JoinFreeModules-PT-0003, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-167856432200089
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 396K
-rw-r--r-- 1 mcc users 5.6K Feb 25 11:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K Feb 25 11:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 11:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 25 11:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:17 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:17 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:17 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.5K Feb 25 11:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 88K Feb 25 11:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Feb 25 11:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 69K Feb 25 11:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:17 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 9.4K 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 1678698165287

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=JoinFreeModules-PT-0003
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-13 09:02:50] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-13 09:02:50] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 09:02:50] [INFO ] Load time of PNML (sax parser for PT used): 46 ms
[2023-03-13 09:02:50] [INFO ] Transformed 16 places.
[2023-03-13 09:02:50] [INFO ] Transformed 25 transitions.
[2023-03-13 09:02:50] [INFO ] Parsed PT model containing 16 places and 25 transitions and 71 arcs in 203 ms.
Discarding 12 transitions out of 25. Remains 13
Reduce places removed 1 places and 0 transitions.
Built sparse matrix representations for Structural reductions in 8 ms.18003KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 25/25 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 25 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
// Phase 1: matrix 25 rows 15 cols
[2023-03-13 09:02:50] [INFO ] Computed 3 place invariants in 6 ms
[2023-03-13 09:02:50] [INFO ] Dead Transitions using invariants and state equation in 245 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 321 ms. Remains : 15/15 places, 25/25 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 25/25 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 25/25 (removed 0) transitions.
[2023-03-13 09:02:50] [INFO ] Invariant cache hit.
[2023-03-13 09:02:50] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-13 09:02:50] [INFO ] Invariant cache hit.
[2023-03-13 09:02:50] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-13 09:02:50] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 98 ms to find 0 implicit places.
[2023-03-13 09:02:50] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-13 09:02:50] [INFO ] Invariant cache hit.
[2023-03-13 09:02:50] [INFO ] Dead Transitions using invariants and state equation in 49 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 165 ms. Remains : 15/15 places, 25/25 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1551 ms (no deadlock found). (steps per millisecond=805 )
Random directed walk for 1250002 steps, including 0 resets, run took 1051 ms (no deadlock found). (steps per millisecond=1189 )
[2023-03-13 09:02:53] [INFO ] Invariant cache hit.
[2023-03-13 09:02:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-13 09:02:53] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-13 09:02:53] [INFO ] [Real]Absence check using state equation in 16 ms returned sat
[2023-03-13 09:02:53] [INFO ] Solution in real domain found non-integer solution.
[2023-03-13 09:02:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-13 09:02:53] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-13 09:02:53] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2023-03-13 09:02:53] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-13 09:02:53] [INFO ] [Nat]Added 3 Read/Feed constraints in 3 ms returned sat
[2023-03-13 09:02:53] [INFO ] Computed and/alt/rep : 18/45/18 causal constraints (skipped 0 transitions) in 5 ms.
[2023-03-13 09:02:53] [INFO ] Added : 14 causal constraints over 3 iterations in 71 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 4 ms.
Parikh directed walk for 5600 steps, including 176 resets, run took 23 ms. (steps per millisecond=243 )
Random directed walk for 500002 steps, including 0 resets, run took 570 ms (no deadlock found). (steps per millisecond=877 )
Random walk for 500000 steps, including 0 resets, run took 436 ms (no deadlock found). (steps per millisecond=1146 )
Random directed walk for 500001 steps, including 0 resets, run took 579 ms (no deadlock found). (steps per millisecond=863 )
Random walk for 500000 steps, including 0 resets, run took 451 ms (no deadlock found). (steps per millisecond=1108 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 15/15 places, 25/25 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 5 ms. Remains 15 /15 variables (removed 0) and now considering 25/25 (removed 0) transitions.
[2023-03-13 09:02:55] [INFO ] Invariant cache hit.
[2023-03-13 09:02:55] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-13 09:02:55] [INFO ] Invariant cache hit.
[2023-03-13 09:02:55] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-13 09:02:55] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-13 09:02:55] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-13 09:02:55] [INFO ] Invariant cache hit.
[2023-03-13 09:02:55] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 146 ms. Remains : 15/15 places, 25/25 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1170 ms (no deadlock found). (steps per millisecond=1068 )
Random directed walk for 1250000 steps, including 0 resets, run took 917 ms (no deadlock found). (steps per millisecond=1363 )
[2023-03-13 09:02:58] [INFO ] Invariant cache hit.
[2023-03-13 09:02:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-13 09:02:58] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-13 09:02:58] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2023-03-13 09:02:58] [INFO ] Solution in real domain found non-integer solution.
[2023-03-13 09:02:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-13 09:02:58] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-13 09:02:58] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2023-03-13 09:02:58] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-13 09:02:58] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2023-03-13 09:02:58] [INFO ] Computed and/alt/rep : 18/45/18 causal constraints (skipped 0 transitions) in 8 ms.
[2023-03-13 09:02:58] [INFO ] Added : 14 causal constraints over 3 iterations in 36 ms. Result :sat
Attempting to minimize the solution found.
Minimization took 2 ms.
Parikh directed walk for 5600 steps, including 175 resets, run took 13 ms. (steps per millisecond=430 )
Random directed walk for 500001 steps, including 0 resets, run took 435 ms (no deadlock found). (steps per millisecond=1149 )
Random walk for 500000 steps, including 0 resets, run took 625 ms (no deadlock found). (steps per millisecond=800 )
Random directed walk for 500003 steps, including 0 resets, run took 405 ms (no deadlock found). (steps per millisecond=1234 )
Random walk for 500000 steps, including 0 resets, run took 425 ms (no deadlock found). (steps per millisecond=1176 )
[2023-03-13 09:03:00] [INFO ] Flatten gal took : 37 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 16/16 places, 25/25 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 25
Applied a total of 1 rules in 3 ms. Remains 15 /16 variables (removed 1) and now considering 25/25 (removed 0) transitions.
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] Dead Transitions using invariants and state equation in 83 ms found 0 transitions.
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-13 09:03:00] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] Dead Transitions using invariants and state equation in 59 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 15/16 places, 25/25 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 241 ms. Remains : 15/16 places, 25/25 transitions.
Discarding 12 transitions out of 25. Remains 13
Initial state reduction rules removed 1 formulas.
Finished random walk after 128 steps, including 0 resets, run visited all 12 properties in 32 ms. (steps per millisecond=4 )
Able to resolve query QuasiLiveness after proving 13 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 16/16 places, 25/25 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 15 transition count 25
Applied a total of 1 rules in 2 ms. Remains 15 /16 variables (removed 1) and now considering 25/25 (removed 0) transitions.
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] Dead Transitions using invariants and state equation in 66 ms found 0 transitions.
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-13 09:03:00] [INFO ] Implicit Places using invariants and state equation in 52 ms returned []
Implicit Place search using SMT with State Equation took 84 ms to find 0 implicit places.
[2023-03-13 09:03:00] [INFO ] Invariant cache hit.
[2023-03-13 09:03:00] [INFO ] Dead Transitions using invariants and state equation in 95 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 15/16 places, 25/25 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 262 ms. Remains : 15/16 places, 25/25 transitions.
Discarding 12 transitions out of 25. Remains 13
Unable to solve all queries for examination Liveness. Remains :13 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 13 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 10851 ms.
starting LoLA
BK_INPUT JoinFreeModules-PT-0003
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 1678698182065

--------------------
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="JoinFreeModules-PT-0003"
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 JoinFreeModules-PT-0003, 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 r245-tall-167856432200089"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/JoinFreeModules-PT-0003.tgz
mv JoinFreeModules-PT-0003 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 ;