Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fko/mcc2020-input.r185-oct2-158987931100166.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fko/mcc2020-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is HypercubeGrid-PT-C5K3P3B15, examination is ReachabilityDeadlock
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r185-oct2-158987931100166
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 14M
-rw-r--r-- 1 mcc users 5.0K Apr 27 15:14 CTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 27 15:14 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.2K Apr 27 15:14 CTLFireability.txt
-rw-r--r-- 1 mcc users 21K Apr 27 15:14 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Apr 27 15:14 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 4.6K Apr 27 15:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Apr 28 14:01 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Apr 27 15:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Apr 28 14:01 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Apr 27 15:14 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Apr 27 15:14 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Apr 27 15:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 27 15:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Apr 27 15:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 27 15:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Apr 27 15:14 equiv_col
-rw-r--r-- 1 mcc users 10 Apr 27 15:14 instance
-rw-r--r-- 1 mcc users 6 Apr 27 15:14 iscolored
-rwxr-xr-x 1 mcc users 14M Apr 27 15:14 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 ReachabilityDeadlock

=== Now, execution of the tool begins

BK_START 1591281058055

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-04 14:31:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityDeadlock, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 1800, -rebuildPNML]
[2020-06-04 14:31:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-04 14:31:01] [INFO ] Load time of PNML (sax parser for PT used): 751 ms
[2020-06-04 14:31:01] [INFO ] Transformed 9153 places.
[2020-06-04 14:31:01] [INFO ] Transformed 25110 transitions.
[2020-06-04 14:31:01] [INFO ] Parsed PT model containing 9153 places and 25110 transitions in 1038 ms.
Parsed 1 properties from file /home/mcc/execution/ReachabilityDeadlock.xml in 111 ms.
Working with output stream class java.io.PrintStream
Built sparse matrix representations for Structural reductions in 18 ms.62640KB memory used
Starting structural reductions, iteration 0 : 9153/9153 places, 25110/25110 transitions.
Applied a total of 0 rules in 2137 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (removed 0) transitions.
Finished structural reductions, in 1 iterations. Remains : 9153/9153 places, 25110/25110 transitions.
Starting structural reductions, iteration 0 : 9153/9153 places, 25110/25110 transitions.
Applied a total of 0 rules in 1407 ms. Remains 9153 /9153 variables (removed 0) and now considering 25110/25110 (removed 0) transitions.
// Phase 1: matrix 25110 rows 9153 cols
[2020-06-04 14:31:06] [INFO ] Computed 3484 place invariants in 1612 ms
[2020-06-04 14:31:09] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 14:31:39] [INFO ] Performed 1585/9153 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2020-06-04 14:32:09] [INFO ] Performed 3550/9153 implicitness test of which 0 returned IMPLICIT in 60 seconds.
[2020-06-04 14:32:39] [INFO ] Performed 5337/9153 implicitness test of which 0 returned IMPLICIT in 90 seconds.
[2020-06-04 14:33:09] [INFO ] Performed 6663/9153 implicitness test of which 0 returned IMPLICIT in 120 seconds.
[2020-06-04 14:33:09] [INFO ] Timeout of Implicit test with SMT after 120 seconds.
[2020-06-04 14:33:09] [INFO ] Implicit Places using invariants in 123945 ms returned []
Implicit Place search using SMT only with invariants took 124008 ms to find 0 implicit places.
// Phase 1: matrix 25110 rows 9153 cols
[2020-06-04 14:33:10] [INFO ] Computed 3484 place invariants in 1376 ms
[2020-06-04 14:33:12] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 14:33:42] [INFO ] Performed 1705/25110 'is it Dead' test of which 0 returned DEAD in 30 seconds.
[2020-06-04 14:34:10] [INFO ] Dead Transitions with SMT raised an exceptionSMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Broken pipe (and (>= s2548 1) (>= s6112 1))") after 61477 ms
Finished structural reductions, in 1 iterations. Remains : 9153/9153 places, 25110/25110 transitions.
Interrupted Parikh directed walk after 48040 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
// Phase 1: matrix 25110 rows 9153 cols
[2020-06-04 14:34:42] [INFO ] Computed 3484 place invariants in 1381 ms
[2020-06-04 14:35:52] [INFO ] [Real]Absence check using 3483 positive place invariants in 51232 ms returned sat
[2020-06-04 14:35:52] [INFO ] [Real]Absence check using 3483 positive and 1 generalized place invariants in 135 ms returned sat
[2020-06-04 14:35:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-04 14:39:42] [INFO ] SMT solver returned unknown. Retrying;
[2020-06-04 14:39:42] [INFO ] [Real]Absence check using state equation in 229870 ms returned (error "Failed to check-sat")
Interrupted Parikh directed walk after 80324 steps, including 0 resets, run timeout after 30032 ms. (steps per millisecond=2 )
Interrupted Parikh directed walk after 50195 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
Interrupted Parikh directed walk after 82960 steps, including 0 resets, run timeout after 30173 ms. (steps per millisecond=2 )
Interrupted Parikh directed walk after 51723 steps, including 0 resets, run timeout after 30001 ms. (steps per millisecond=1 )
[2020-06-04 14:41:43] [INFO ] Flatten gal took : 1109 ms
[2020-06-04 14:41:43] [INFO ] Export to MCC properties in file /home/mcc/execution/ReachabilityDeadlock.sr.xml took 1 ms.
[2020-06-04 14:41:43] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 84 ms.
info: Time: 1800 - MCC
vrfy: Checking ReachabilityDeadlock @ HypercubeGrid-PT-C5K3P3B15 @ 1770 seconds

FORMULA ReachabilityDeadlock TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT SAT_SMT STATE_COMPRESSION STUBBORN_SETS SYMMETRIES TOPOLOGICAL USE_NUPN UNFOLDING_TO_PT
vrfy: finished
info: timeLeft: 1530
rslt: Output for ReachabilityDeadlock @ HypercubeGrid-PT-C5K3P3B15

{
"build":
{
"architecture": 64,
"assertions": false,
"build_hostname": "mcc2019",
"build_system": "x86_64-unknown-linux-gnu",
"optimizations": true,
"package_version": "2.0",
"svn_version": "3189M"
},
"call":
{
"exec_host": "mcc2020",
"markinglimit": null,
"parameters":
[
"--pnmlnet",
"model.pnml",
"--xmlformula",
"--formula=ReachabilityDeadlock.xml",
"--mcc",
"--donotcomputecapacities",
"--encoder=simplecompressed",
"--check=modelchecking",
"--stubborn=combined",
"--siphontrap=par",
"--siphondepth=10",
"--findpath=par",
"--retrylimit=0",
"--depthlimit=1000000",
"--symmetry",
"--symmtimelimit=300",
"--threads=2",
"--symmetrydepth=1073741824",
"--timelimit=1770",
"--json=ReachabilityDeadlock.json",
"--jsoninclude=formula,formulastat,net"
],
"starttime": "Thu Jun 4 14:41:44 2020
",
"timelimit": 1770
},
"child": null,
"exit":
{
"error": null,
"memory": 1276792,
"runtime": 240.000000,
"signal": null,
"timelimitreached": false
},
"files":
{
"formula": "ReachabilityDeadlock.xml",
"net": "model.pnml"
},
"formula":
{
"count":
{
"A": 0,
"E": 1,
"F": 1,
"G": 0,
"U": 0,
"X": 0,
"aconj": 0,
"adisj": 0,
"aneg": 0,
"comp": 0,
"cont": 0,
"dl": 1,
"fir": 0,
"nodl": 0,
"place_references": 0,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 0,
"visible_transitions": 0
},
"processed": "E (F (DEADLOCK))",
"processed_size": 16,
"rewrites": 1,
"skeleton": "E(F(**))"
},
"net":
{
"arcs": 100440,
"conflict_clusters": 3483,
"places": 9153,
"places_significant": 5669,
"singleton_clusters": 0,
"transitions": 25110
},
"result":
{
"edges": 65106,
"markings": 63037,
"produced_by": "state space",
"value": true
},
"task":
{
"findpath":
{
"depthlimit": 1000000,
"retrylimit": null,
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 2
},
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"symmetry":
{
"card": 673488666932493059299705750176940774008373904539657018610334523197273357401992745212787649905247989717080558499856604513971042383712446485154412968786909822196415110532671325004626752439532016612303316669383926949558596891611639595174538151160291048554496.000000,
"composed": 547,
"dead_branches": 0,
"generators": 1403,
"interrupted": false,
"real_computed": 856,
"timelimit": 300
},
"threads": 2,
"type": "dfs"
},
"type": "reachability",
"workflow": "findpath||search"
}
}
lola: LoLA will run for 1770 seconds at most (--timelimit)
lola: NET
lola: input: PNML file (--pnml)
lola: reading net from model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file model.pnml
lola: 34263/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 292896
lola: finding significant places
lola: 9153 places, 25110 transitions, 5669 significant places
lola: compute conflict clusters
lola: computed conflict clusters
lola: Computing conflicting sets
lola: Computing back conflicting sets
lola: TASK
lola: Reading formula in XML format (--xmlformula)
lola: reading pnml
lola: reading formula from ReachabilityDeadlock.xml
lola: E (F (DEADLOCK))
lola: checking reachability
lola: Planning: workflow for reachability check: findpath||search (--findpath=par)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: processed formula: E (F (DEADLOCK))
lola: processed formula length: 16
lola: 1 rewrites
lola: closed formula file ReachabilityDeadlock.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: SEARCH (findpath)
lola: findpath: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: findpath: starting randomized, memory-less exploration (--findpath)
lola: findpath: searching for paths with maximal depth 1000000 (--depthlimit)
lola: findpath: no retry limit given (--retrylimit)
lola: findpath: transitions are chosen hash-driven
lola: computing symmetries (--symmetry)
lola: time limit for symmetry computation of 300 seconds given (--symmtimelimit)
lola: 1 tries, 523222 fired transitions, 0 secs
lola: 329 generators;41710414 candidates remain ( 0%), 0 secs
lola: 2 tries, 1078466 fired transitions, 5 secs
lola: 351 generators;41245910 candidates remain ( 0%), 5 secs
lola: 2 tries, 1628480 fired transitions, 10 secs
lola: 377 generators;41037277 candidates remain ( 0%), 10 secs
lola: 3 tries, 2189880 fired transitions, 15 secs
lola: 398 generators;40774974 candidates remain ( 0%), 15 secs
lola: 3 tries, 2747471 fired transitions, 20 secs
lola: 416 generators;40684715 candidates remain ( 0%), 20 secs
lola: 4 tries, 3297201 fired transitions, 25 secs
lola: 435 generators;40522509 candidates remain ( 0%), 25 secs
lola: 454 generators;40396575 candidates remain ( 0%), 30 secs
lola: 4 tries, 3855461 fired transitions, 30 secs
lola: 480 generators;40270828 candidates remain ( 0%), 35 secs
lola: 5 tries, 4406089 fired transitions, 35 secs
lola: 499 generators;40154248 candidates remain ( 0%), 40 secs
lola: 5 tries, 4978189 fired transitions, 40 secs
lola: 514 generators;40055730 candidates remain ( 0%), 45 secs
lola: 6 tries, 5547372 fired transitions, 45 secs
lola: 533 generators;39903718 candidates remain ( 0%), 50 secs
lola: 7 tries, 6115461 fired transitions, 50 secs
lola: 552 generators;39760907 candidates remain ( 0%), 55 secs
lola: 7 tries, 6683326 fired transitions, 55 secs
lola: 572 generators;39538284 candidates remain ( 0%), 60 secs
lola: 8 tries, 7276009 fired transitions, 60 secs
lola: 597 generators;39263095 candidates remain ( 0%), 65 secs
lola: 8 tries, 7866668 fired transitions, 65 secs
lola: 625 generators;39139134 candidates remain ( 0%), 70 secs
lola: 9 tries, 8458380 fired transitions, 70 secs
lola: 656 generators;38988872 candidates remain ( 0%), 75 secs
lola: 10 tries, 9051474 fired transitions, 75 secs
lola: 681 generators;38874159 candidates remain ( 0%), 80 secs
lola: 10 tries, 9645429 fired transitions, 80 secs
lola: 705 generators;38768419 candidates remain ( 0%), 85 secs
lola: 11 tries, 10238793 fired transitions, 85 secs
lola: 729 generators;38574944 candidates remain ( 0%), 90 secs
lola: 11 tries, 10829926 fired transitions, 90 secs
lola: 761 generators;38390711 candidates remain ( 0%), 95 secs
lola: 12 tries, 11423321 fired transitions, 95 secs
lola: 797 generators;38224401 candidates remain ( 0%), 100 secs
lola: 13 tries, 12018622 fired transitions, 100 secs
lola: 826 generators;38006126 candidates remain ( 0%), 105 secs
lola: 13 tries, 12609706 fired transitions, 105 secs
lola: 849 generators;37814564 candidates remain ( 0%), 110 secs
lola: 14 tries, 13202677 fired transitions, 110 secs
lola: 885 generators;37632155 candidates remain ( 0%), 115 secs
lola: 14 tries, 13794260 fired transitions, 115 secs
lola: 922 generators;37398281 candidates remain ( 0%), 120 secs
lola: 15 tries, 14388414 fired transitions, 120 secs
lola: 952 generators;37130656 candidates remain ( 0%), 125 secs
lola: 15 tries, 14980085 fired transitions, 125 secs
lola: 982 generators;36846829 candidates remain ( 0%), 130 secs
lola: 16 tries, 15573430 fired transitions, 130 secs
lola: 1029 generators;36572631 candidates remain ( 0%), 135 secs
lola: 17 tries, 16168105 fired transitions, 135 secs
lola: 1063 generators;36205799 candidates remain ( 0%), 140 secs
lola: 17 tries, 16760522 fired transitions, 140 secs
lola: 1107 generators;35866222 candidates remain ( 0%), 145 secs
lola: 18 tries, 17353849 fired transitions, 145 secs
lola: 1154 generators;35334624 candidates remain ( 0%), 150 secs
lola: 18 tries, 17945297 fired transitions, 150 secs
lola: 1209 generators;34748621 candidates remain ( 0%), 155 secs
lola: 19 tries, 18538966 fired transitions, 155 secs
lola: 1277 generators;33607704 candidates remain ( 0%), 160 secs
lola: 20 tries, 19102052 fired transitions, 160 secs
lola: 1369 generators;30120441 candidates remain ( 0%), 165 secs
lola: 20 tries, 19695976 fired transitions, 165 secs
lola: computed 1403 generators (856 in search tree, 547 by composition)
lola: representing 6.73489E+254 symmetries
lola: 0 dead branches visited in search tree
lola: 21 tries, 20284301 fired transitions, 170 secs || 10376 markings, 10555 edges, 2075 markings/sec, 170 secs
lola: 21 tries, 20870124 fired transitions, 175 secs || 13902 markings, 14165 edges, 705 markings/sec, 175 secs
lola: 22 tries, 21457611 fired transitions, 180 secs || 17398 markings, 17693 edges, 699 markings/sec, 180 secs
lola: 23 tries, 22044902 fired transitions, 185 secs || 20785 markings, 21083 edges, 677 markings/sec, 185 secs
lola: 23 tries, 22630027 fired transitions, 190 secs || 24805 markings, 25243 edges, 804 markings/sec, 190 secs
lola: 24 tries, 23215420 fired transitions, 195 secs || 28805 markings, 29327 edges, 800 markings/sec, 195 secs
lola: 24 tries, 23795453 fired transitions, 200 secs || 33193 markings, 33733 edges, 878 markings/sec, 200 secs
lola: 25 tries, 24371349 fired transitions, 205 secs || 37789 markings, 38338 edges, 919 markings/sec, 205 secs
lola: 25 tries, 24943437 fired transitions, 210 secs || 43768 markings, 44608 edges, 1196 markings/sec, 210 secs
lola: 26 tries, 25482541 fired transitions, 215 secs || 49213 markings, 50116 edges, 1089 markings/sec, 215 secs
lola: 27 tries, 26040163 fired transitions, 220 secs || 58546 markings, 60094 edges, 1867 markings/sec, 220 secs
lola: RESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 63037 markings, 65106 edges
lola: memory consumption: 1276792 KB
lola: time consumption: 240 seconds
lola: print data as JSON (--json)
lola: writing JSON to ReachabilityDeadlock.json
lola: closed JSON file ReachabilityDeadlock.json
rslt: finished

--------------------
content from stderr:

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="HypercubeGrid-PT-C5K3P3B15"
export BK_EXAMINATION="ReachabilityDeadlock"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"

# 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 2-4028"
echo " Executing tool itslola"
echo " Input is HypercubeGrid-PT-C5K3P3B15, examination is ReachabilityDeadlock"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r185-oct2-158987931100166"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HypercubeGrid-PT-C5K3P3B15.tgz
mv HypercubeGrid-PT-C5K3P3B15 execution
cd execution
if [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "UpperBounds" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] || [ "ReachabilityDeadlock" = "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 [ "ReachabilityDeadlock" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityDeadlock" != "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 "ReachabilityDeadlock.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityDeadlock.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityDeadlock.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 '' ReachabilityDeadlock.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityDeadlock" = "ReachabilityDeadlock" ] || [ "ReachabilityDeadlock" = "QuasiLiveness" ] || [ "ReachabilityDeadlock" = "StableMarking" ] || [ "ReachabilityDeadlock" = "Liveness" ] || [ "ReachabilityDeadlock" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityDeadlock"
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 ;