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-167856432400224.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 LamportFastMutEx-COL-4, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r245-tall-167856432400224
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 528K
-rw-r--r-- 1 mcc users 8.8K Feb 25 13:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Feb 25 13:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 25 13:39 CTLFireability.txt
-rw-r--r-- 1 mcc users 36K Feb 25 13:39 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 16:20 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 16:20 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:20 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:20 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 25 13:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 174K Feb 25 13:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.0K Feb 25 13:43 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 13:43 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:20 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:20 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_pt
-rw-r--r-- 1 mcc users 2 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 40K 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 1678706702885

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=LamportFastMutEx-COL-4
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-13 11:25:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -timeout, 180, -rebuildPNML]
[2023-03-13 11:25:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-13 11:25:06] [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.
[2023-03-13 11:25:07] [WARNING] Using fallBack plugin, rng conformance not checked
[2023-03-13 11:25:07] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 1183 ms
[2023-03-13 11:25:07] [INFO ] Imported 18 HL places and 17 HL transitions for a total of 135 PT places and 285.0 transition bindings in 38 ms.
[2023-03-13 11:25:07] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 10 ms.
[2023-03-13 11:25:07] [INFO ] Skeletonized 0 HLPN properties in 0 ms.
[2023-03-13 11:25:07] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 42 ms.
[2023-03-13 11:25:07] [INFO ] Unfolded 0 HLPN properties in 1 ms.
[2023-03-13 11:25:07] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 17 ms.
[2023-03-13 11:25:07] [INFO ] Unfolded 17 HLPN properties in 1 ms.
[2023-03-13 11:25:08] [INFO ] Built PT skeleton of HLPN with 18 places and 17 transitions 68 arcs in 1 ms.
[2023-03-13 11:25:08] [INFO ] Skeletonized 17 HLPN properties in 2 ms.
Reduce places removed 3 places and 0 transitions.
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.
Domain [pid(5), pid(5)] of place P_wait breaks symmetries in sort pid
Symmetric sort wr.t. initial and guards and successors and join/free detected :P_bool
Arc [3:1*[$i, 1]] contains constants of sort P_bool
Transition T_setbi_2 : constants on arcs in [[3:1*[$i, 1]]] introduces in P_bool(2) partition with 1 elements that refines current partition to 2 subsets.
[2023-03-13 11:25:08] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 19 ms.
[2023-03-13 11:25:08] [INFO ] Unfolded 17 HLPN properties in 0 ms.
Deduced a syphon composed of 33 places in 3 ms
Reduce places removed 33 places and 50 transitions.
Built sparse matrix representations for Structural reductions in 3 ms.30438KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 102/102 places, 180/180 transitions.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Applied a total of 0 rules in 52 ms. Remains 102 /102 variables (removed 0) and now considering 180/180 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 54 ms. Remains : 102/102 places, 180/180 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 102/102 places, 180/180 transitions.
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Computed a total of 1 stabilizing places and 4 stable transitions
Applied a total of 0 rules in 38 ms. Remains 102 /102 variables (removed 0) and now considering 180/180 (removed 0) transitions.
[2023-03-13 11:25:08] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
// Phase 1: matrix 144 rows 102 cols
[2023-03-13 11:25:08] [INFO ] Computed 26 place invariants in 18 ms
[2023-03-13 11:25:08] [INFO ] Implicit Places using invariants in 415 ms returned []
[2023-03-13 11:25:08] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
[2023-03-13 11:25:08] [INFO ] Invariant cache hit.
[2023-03-13 11:25:08] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-13 11:25:08] [INFO ] Implicit Places using invariants and state equation in 301 ms returned []
Implicit Place search using SMT with State Equation took 789 ms to find 0 implicit places.
[2023-03-13 11:25:08] [INFO ] Redundant transitions in 11 ms returned []
[2023-03-13 11:25:08] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
[2023-03-13 11:25:08] [INFO ] Invariant cache hit.
[2023-03-13 11:25:09] [INFO ] Dead Transitions using invariants and state equation in 428 ms found 0 transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1286 ms. Remains : 102/102 places, 180/180 transitions.
Random walk for 1250000 steps, including 0 resets, run took 2409 ms (no deadlock found). (steps per millisecond=518 )
Random directed walk for 1250003 steps, including 0 resets, run took 1800 ms (no deadlock found). (steps per millisecond=694 )
[2023-03-13 11:25:13] [INFO ] Flow matrix only has 144 transitions (discarded 36 similar events)
[2023-03-13 11:25:13] [INFO ] Invariant cache hit.
[2023-03-13 11:25:13] [INFO ] [Real]Absence check using 26 positive place invariants in 12 ms returned sat
[2023-03-13 11:25:13] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-13 11:25:13] [INFO ] [Real]Absence check using state equation in 123 ms returned sat
[2023-03-13 11:25:13] [INFO ] Solution in real domain found non-integer solution.
[2023-03-13 11:25:14] [INFO ] [Nat]Absence check using 26 positive place invariants in 17 ms returned sat
[2023-03-13 11:25:14] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-13 11:25:14] [INFO ] [Nat]Absence check using state equation in 122 ms returned sat
[2023-03-13 11:25:14] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-13 11:25:14] [INFO ] [Nat]Added 40 Read/Feed constraints in 18 ms returned sat
[2023-03-13 11:25:14] [INFO ] Deduced a trap composed of 11 places in 107 ms of which 6 ms to minimize.
[2023-03-13 11:25:14] [INFO ] Deduced a trap composed of 10 places in 108 ms of which 1 ms to minimize.
[2023-03-13 11:25:14] [INFO ] Deduced a trap composed of 22 places in 104 ms of which 2 ms to minimize.
[2023-03-13 11:25:14] [INFO ] Deduced a trap composed of 6 places in 157 ms of which 3 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 9 places in 84 ms of which 1 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 9 places in 111 ms of which 0 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 9 places in 91 ms of which 0 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 6 places in 62 ms of which 1 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 1 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 11 places in 69 ms of which 5 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 11 places in 62 ms of which 1 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 0 ms to minimize.
[2023-03-13 11:25:15] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 12 trap constraints in 1315 ms
[2023-03-13 11:25:15] [INFO ] Unfolded HLPN to a Petri net with 135 places and 230 transitions 990 arcs in 6 ms.
[2023-03-13 11:25:15] [INFO ] Unfolded 17 HLPN properties in 1 ms.
Initial state reduction rules removed 1 formulas.
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 50 transitions.
Finished random walk after 153 steps, including 0 resets, run visited all 16 properties in 31 ms. (steps per millisecond=4 )
Able to resolve query QuasiLiveness after proving 17 properties.
Deduced a syphon composed of 33 places in 1 ms
Reduce places removed 33 places and 50 transitions.
Unable to solve all queries for examination Liveness. Remains :17 assertions to prove.
No /home/mcc/execution/Liveness.xml examination file found. Proceeding without properties.
Parsed 17 properties from file /home/mcc/execution/Liveness.xml in 1 ms.
Working with output stream class java.io.PrintStream
Total runtime 9282 ms.
starting LoLA
BK_INPUT LamportFastMutEx-COL-4
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 1678706729828

--------------------
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 High-Level net
lola: finished parsing
lola: closed net file /home/mcc/execution/model.pnml
lola: TR BINDINGS
lola: TR BINDINGS DONE
lola: Places: 135, Transitions: 230
lola: @ trans T-setbi_24
lola: @ trans T-yne0_4
lola: @ trans T-fordo_12
lola: @ trans T-xeqi_10
lola: @ trans T-sety_9
lola: @ trans T-setbi_2
lola: @ trans T-awaity
lola: @ trans T-setbi_11
lola: @ trans T-ynei_15
lola: @ trans T-forod_13
lola: @ trans T-setbi_5
lola: @ trans T-xnei_10
lola: @ trans T-await_13
lola: @ trans T-yeq0_4
lola: @ trans T-yeqi_15
lola: @ trans T-sety0_23
lola: @ trans T-setx_3
lola: LAUNCH SYMM
lola: reporting
lola: not produced: 230
lola: reporting
lola: not produced: 230
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="LamportFastMutEx-COL-4"
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 LamportFastMutEx-COL-4, 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-167856432400224"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/LamportFastMutEx-COL-4.tgz
mv LamportFastMutEx-COL-4 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 ;