About the Execution of ITS-LoLa for DLCflexbar-PT-5a
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15756.810 | 3600000.00 | 218923.00 | 223.60 | TTTTTFTTTTTFTTTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/mnt/tpsp/fkordon/mcc2020-input.r180-ebro-158987900100387.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2020-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itslola
Input is DLCflexbar-PT-5a, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r180-ebro-158987900100387
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.9M
-rw-r--r-- 1 mcc users 3.6K Mar 30 05:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Mar 30 05:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 28 19:46 CTLFireability.txt
-rw-r--r-- 1 mcc users 16K Mar 28 19:46 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:37 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K Mar 24 05:37 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.1K Apr 8 14:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 28 14:00 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 8 14:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Apr 28 14:00 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 27 12:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 18K Mar 27 12:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Mar 26 10:35 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 15K Mar 26 10:35 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 28 14:49 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 28 14:49 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 24 05:37 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:37 iscolored
-rw-r--r-- 1 mcc users 2.8M Mar 24 05:37 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-00
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-01
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-02
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-03
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-04
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-05
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-06
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-07
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-08
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-09
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-10
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-11
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-12
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-13
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-14
FORMULA_NAME DLCflexbar-PT-5a-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1591214398392
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 20:00:01] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -z3path, /home/mcc/BenchKit//z3/bin/z3, -yices2path, /home/mcc/BenchKit//yices/bin/yices, -timeout, 3600, -rebuildPNML]
[2020-06-03 20:00:01] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 20:00:02] [INFO ] Load time of PNML (sax parser for PT used): 744 ms
[2020-06-03 20:00:02] [INFO ] Transformed 1415 places.
[2020-06-03 20:00:02] [INFO ] Transformed 10593 transitions.
[2020-06-03 20:00:02] [INFO ] Found NUPN structural information;
[2020-06-03 20:00:02] [INFO ] Parsed PT model containing 1415 places and 10593 transitions in 908 ms.
Ensure Unique test removed 1179 transitions
Reduce redundant transitions removed 1179 transitions.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 151 ms.
Incomplete random walk after 100000 steps, including 0 resets, run finished after 5709 ms. (steps per millisecond=17 ) properties seen :[0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1]
[2020-06-03 20:00:08] [INFO ] Flow matrix only has 734 transitions (discarded 8680 similar events)
// Phase 1: matrix 734 rows 1415 cols
[2020-06-03 20:00:08] [INFO ] Computed 979 place invariants in 50 ms
[2020-06-03 20:00:11] [INFO ] [Real]Absence check using 979 positive place invariants in 2105 ms returned sat
[2020-06-03 20:00:11] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:00:19] [INFO ] [Real]Absence check using state equation in 8400 ms returned sat
[2020-06-03 20:00:20] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:00:21] [INFO ] [Nat]Absence check using 979 positive place invariants in 818 ms returned unsat
[2020-06-03 20:00:23] [INFO ] [Real]Absence check using 979 positive place invariants in 2020 ms returned sat
[2020-06-03 20:00:23] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:00:35] [INFO ] [Real]Absence check using state equation in 11566 ms returned sat
[2020-06-03 20:00:35] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:00:36] [INFO ] [Nat]Absence check using 979 positive place invariants in 1021 ms returned unsat
[2020-06-03 20:00:38] [INFO ] [Real]Absence check using 979 positive place invariants in 1643 ms returned sat
[2020-06-03 20:00:38] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:00:47] [INFO ] [Real]Absence check using state equation in 8500 ms returned sat
[2020-06-03 20:00:47] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:00:48] [INFO ] [Nat]Absence check using 979 positive place invariants in 875 ms returned unsat
[2020-06-03 20:00:51] [INFO ] [Real]Absence check using 979 positive place invariants in 1754 ms returned sat
[2020-06-03 20:00:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:00:59] [INFO ] [Real]Absence check using state equation in 8257 ms returned sat
[2020-06-03 20:00:59] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:01:02] [INFO ] [Nat]Absence check using 979 positive place invariants in 2461 ms returned unsat
[2020-06-03 20:01:04] [INFO ] [Real]Absence check using 979 positive place invariants in 2216 ms returned sat
[2020-06-03 20:01:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:01:13] [INFO ] [Real]Absence check using state equation in 8840 ms returned sat
[2020-06-03 20:01:13] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:01:15] [INFO ] [Nat]Absence check using 979 positive place invariants in 1156 ms returned unsat
[2020-06-03 20:01:17] [INFO ] [Real]Absence check using 979 positive place invariants in 1614 ms returned sat
[2020-06-03 20:01:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:01:26] [INFO ] [Real]Absence check using state equation in 8535 ms returned sat
[2020-06-03 20:01:26] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:01:27] [INFO ] [Nat]Absence check using 979 positive place invariants in 559 ms returned unsat
[2020-06-03 20:01:29] [INFO ] [Real]Absence check using 979 positive place invariants in 1864 ms returned sat
[2020-06-03 20:01:29] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:01:37] [INFO ] [Real]Absence check using state equation in 8653 ms returned sat
[2020-06-03 20:01:37] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:01:38] [INFO ] [Nat]Absence check using 979 positive place invariants in 419 ms returned unsat
[2020-06-03 20:01:40] [INFO ] [Real]Absence check using 979 positive place invariants in 1586 ms returned sat
[2020-06-03 20:01:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:01:48] [INFO ] [Real]Absence check using state equation in 8298 ms returned sat
[2020-06-03 20:01:48] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:01:50] [INFO ] [Nat]Absence check using 979 positive place invariants in 1329 ms returned unsat
[2020-06-03 20:01:52] [INFO ] [Real]Absence check using 979 positive place invariants in 1787 ms returned sat
[2020-06-03 20:01:52] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:02:01] [INFO ] [Real]Absence check using state equation in 8822 ms returned sat
[2020-06-03 20:02:01] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:02:02] [INFO ] [Nat]Absence check using 979 positive place invariants in 941 ms returned unsat
[2020-06-03 20:02:04] [INFO ] [Real]Absence check using 979 positive place invariants in 1779 ms returned sat
[2020-06-03 20:02:04] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:02:13] [INFO ] [Real]Absence check using state equation in 8877 ms returned sat
[2020-06-03 20:02:13] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:02:15] [INFO ] [Nat]Absence check using 979 positive place invariants in 1388 ms returned unsat
[2020-06-03 20:02:17] [INFO ] [Real]Absence check using 979 positive place invariants in 1772 ms returned sat
[2020-06-03 20:02:17] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2020-06-03 20:02:25] [INFO ] [Real]Absence check using state equation in 7889 ms returned sat
[2020-06-03 20:02:25] [INFO ] Solution in real domain found non-integer solution.
[2020-06-03 20:02:26] [INFO ] [Nat]Absence check using 979 positive place invariants in 407 ms returned unsat
Successfully simplified 11 atomic propositions for a total of 11 simplifications.
[2020-06-03 20:02:27] [INFO ] Initial state reduction rules for CTL removed 7 formulas.
[2020-06-03 20:02:28] [INFO ] Flatten gal took : 1191 ms
[2020-06-03 20:02:28] [INFO ] Initial state reduction rules for CTL removed 7 formulas.
[2020-06-03 20:02:29] [INFO ] Flatten gal took : 789 ms
FORMULA DLCflexbar-PT-5a-CTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-CTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-CTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-CTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DLCflexbar-PT-5a-CTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-03 20:02:29] [INFO ] Export to MCC properties in file /home/mcc/execution/CTLCardinality.sr.xml took 16 ms.
[2020-06-03 20:02:29] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 160 ms.
info: Time: 3600 - MCC
vrfy: Checking CTLCardinality @ DLCflexbar-PT-5a @ 3570 seconds
FORMULA DLCflexbar-PT-5a-CTLCardinality-02 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-01 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-13 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-00 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-03 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA DLCflexbar-PT-5a-CTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
vrfy: finished
info: timeLeft: 3529
rslt: Output for CTLCardinality @ DLCflexbar-PT-5a
{
"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=CTLCardinality.xml",
"--mcc",
"--donotcomputecapacities",
"--encoder=simplecompressed",
"--safe",
"--check=modelchecking",
"--stubborn=tarjan",
"--stateequation=par",
"--quickchecks",
"--timelimit=3570",
"--localtimelimit=0",
"--preference=force_ctl",
"--json=CTLCardinality.json",
"--jsoninclude=formula,formulastat,net"
],
"starttime": "Wed Jun 3 20:02:29 2020
",
"timelimit": 3570
},
"child":
[
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 392
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 0,
"F": 0,
"G": 0,
"U": 0,
"X": 0,
"aconj": 0,
"adisj": 0,
"aneg": 0,
"comp": 0,
"cont": 0,
"dl": 0,
"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": "TRUE",
"processed_size": 4,
"rewrites": 24
},
"result":
{
"edges": 0,
"markings": 0,
"produced_by": "preprocessing",
"value": true
},
"task":
{
"compoundnumber": 0,
"type": "initial_satisfaction",
"workflow": "preprocessing"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 441
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 0,
"F": 0,
"G": 0,
"U": 0,
"X": 0,
"aconj": 0,
"adisj": 0,
"aneg": 0,
"comp": 0,
"cont": 0,
"dl": 0,
"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": "TRUE",
"processed_size": 4,
"rewrites": 24
},
"result":
{
"edges": 0,
"markings": 0,
"produced_by": "preprocessing",
"value": true
},
"task":
{
"compoundnumber": 1,
"type": "initial_satisfaction",
"workflow": "preprocessing"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 504
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 0,
"F": 0,
"G": 0,
"U": 0,
"X": 0,
"aconj": 1,
"adisj": 0,
"aneg": 0,
"comp": 1,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 1,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 1,
"visible_transitions": 0
},
"processed": "((1 <= p560))",
"processed_size": 13,
"rewrites": 26
},
"result":
{
"edges": 1,
"markings": 1,
"produced_by": "state space /EXEG",
"value": true
},
"task":
{
"compoundnumber": 2,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "invisibility based",
"visible": 12
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 1,
"problems": 1
},
"type": "reachability_from_a_successor",
"workflow": "stateequation"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 588
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 1,
"E": 0,
"F": 0,
"G": 1,
"U": 0,
"X": 0,
"aconj": 0,
"adisj": 1,
"aneg": 0,
"comp": 1,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 1,
"taut": 0,
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"tdisj": 1,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 1,
"visible_transitions": 0
},
"processed": "A (G ((((p13 <= 0)) OR DEADLOCK)))",
"processed_size": 34,
"rewrites": 29
},
"result":
{
"edges": 2,
"markings": 3,
"produced_by": "state space",
"value": false
},
"task":
{
"compoundnumber": 3,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": null,
"problems": null
},
"type": "invariance",
"workflow": "stateequation||search"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 706
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 1,
"F": 1,
"G": 0,
"U": 0,
"X": 0,
"aconj": 2,
"adisj": 1,
"aneg": 1,
"comp": 2,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 2,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 2,
"visible_transitions": 0
},
"processed": "E (F ((((1 <= p440)) AND ((p353 <= 0)))))",
"processed_size": 41,
"rewrites": 25
},
"result":
{
"edges": 5,
"markings": 6,
"produced_by": "state space",
"value": true
},
"task":
{
"compoundnumber": 4,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 2,
"problems": 2
},
"type": "reachability",
"workflow": "stateequation||search"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 882
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 1,
"F": 1,
"G": 0,
"U": 0,
"X": 0,
"aconj": 3,
"adisj": 1,
"aneg": 0,
"comp": 3,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 3,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 3,
"visible_transitions": 0
},
"processed": "E (F (((1 <= p155) AND (((p21 <= 0)) OR ((1 <= p794))))))",
"processed_size": 58,
"rewrites": 25
},
"result":
{
"edges": 3,
"markings": 4,
"produced_by": "state space",
"value": true
},
"task":
{
"compoundnumber": 5,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion"
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 4,
"problems": 2
},
"type": "reachability",
"workflow": "stateequation||search"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 1176
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 1,
"F": 0,
"G": 1,
"U": 0,
"X": 0,
"aconj": 2,
"adisj": 1,
"aneg": 0,
"comp": 2,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 2,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 2,
"visible_transitions": 0
},
"processed": "E (G ((((p412 <= 0)) OR ((1 <= p476)))))",
"processed_size": 41,
"rewrites": 25
},
"result":
{
"edges": 2,
"markings": 2,
"produced_by": "state space / EG",
"value": true
},
"task":
{
"compoundnumber": 6,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "reachability preserving/insertion",
"visible": 77
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 2,
"problems": 2
},
"type": "possible_preservation",
"workflow": "stateequation"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 1765
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 1,
"E": 1,
"F": 1,
"G": 1,
"U": 0,
"X": 0,
"aconj": 1,
"adisj": 0,
"aneg": 0,
"comp": 1,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 1,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 1,
"visible_transitions": 0
},
"processed": "AF(EG(((1 <= p828))))",
"processed_size": 21,
"rewrites": 26
},
"net":
{
"conflict_clusters": 195,
"singleton_clusters": 0
},
"result":
{
"edges": 4,
"markings": 2,
"produced_by": "CTL model checker",
"value": true
},
"task":
{
"compoundnumber": 7,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "ctl preserving"
},
"type": "ctl model checker"
},
"type": "CTL"
}
},
{
"call":
{
"dynamic_timelimit": true,
"localtimelimit": 3530
},
"exit":
{
"localtimelimitreached": false
},
"formula":
{
"count":
{
"A": 0,
"E": 1,
"F": 0,
"G": 0,
"U": 1,
"X": 0,
"aconj": 6,
"adisj": 4,
"aneg": 0,
"comp": 6,
"cont": 0,
"dl": 0,
"fir": 0,
"nodl": 0,
"place_references": 6,
"taut": 0,
"tconj": 0,
"tdisj": 0,
"tneg": 0,
"transition_references": 0,
"unfir": 0,
"visible_places": 6,
"visible_transitions": 0
},
"processed": "E (((((1 <= p1100)) AND ((p129 <= 0))) U ((((p1232 <= 0)) OR ((1 <= p798))) AND (((p972 <= 0)) OR ((1 <= p67))))))",
"processed_size": 116,
"rewrites": 27
},
"result":
{
"edges": 0,
"markings": 0,
"produced_by": "state space /EU",
"value": true
},
"task":
{
"compoundnumber": 8,
"search":
{
"store":
{
"encoder": "simple compression",
"type": "prefix"
},
"stubborn":
{
"type": "eu preserving",
"visible": 19
},
"threads": 1,
"type": "dfs"
},
"stateequation":
{
"literals": 8,
"problems": 4
},
"type": "existential_until",
"workflow": "stateequation"
}
}
],
"exit":
{
"error": null,
"memory": 133524,
"runtime": 41.000000,
"signal": null,
"timelimitreached": false
},
"files":
{
"formula": "CTLCardinality.xml",
"net": "model.pnml"
},
"formula":
{
"skeleton": "E(F(**)) : E(X(E(G(**)))) : TRUE : E(G(**)) : A(F(E(G(**)))) : E((** U **)) : E(F(*)) : TRUE : A(G((** OR DEADLOCK)))"
},
"net":
{
"arcs": 37306,
"conflict_clusters": 195,
"places": 1415,
"places_significant": 436,
"singleton_clusters": 0,
"transitions": 9414
},
"result":
{
"preliminary_value": "yes yes yes yes yes yes yes yes no ",
"value": "yes yes yes yes yes yes yes yes no "
},
"task":
{
"type": "compound"
}
}
lola: LoLA will run for 3570 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: 10829/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 1415
lola: finding significant places
lola: 1415 places, 9414 transitions, 436 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 CTLCardinality.xml
lola: LP says that atomic proposition is always true: (p155 <= 1)
lola: LP says that atomic proposition is always true: (p794 <= 1)
lola: LP says that atomic proposition is always true: (p560 <= 1)
lola: LP says that atomic proposition is always true: (p476 <= 1)
lola: LP says that atomic proposition is always true: (p828 <= 1)
lola: LP says that atomic proposition is always true: (p129 <= 1)
lola: LP says that atomic proposition is always true: (p798 <= 1)
lola: LP says that atomic proposition is always true: (p67 <= 1)
lola: LP says that atomic proposition is always true: (p353 <= 1)
lola: LP says that atomic proposition is always true: (p13 <= 1)
lola: E (((0 <= 0) U ((1 <= p155) AND (((p21 <= 0)) OR ((1 <= p794)))))) : E (X (E (G (((1 <= p560)))))) : E (G ((0 <= 0))) : A ((A (X ((1 <= 0))) U E (G ((((p412 <= 0)) OR ((1 <= p476))))))) : A (((0 <= 0) U E (G (((1 <= p828)))))) : (E (((((1 <= p1100)) AND ((p129 <= 0))) U ((((p1232 <= 0)) OR ((1 <= p798))) AND (((p972 <= 0)) OR ((1 <= p67)))))) AND E (G (A (X ((0 <= 0)))))) : E (F (NOT(E (G ((((p440 <= 0)) OR ((1 <= p353)))))))) : E (G ((0 <= 0))) : A (G ((((p13 <= 0)) OR A (X ((1 <= 0))))))
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:169
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:160
lola: rewrite Frontend/Parser/formula_rewrite.k:148
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:139
lola: rewrite Frontend/Parser/formula_rewrite.k:204
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:169
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:136
lola: rewrite Frontend/Parser/formula_rewrite.k:160
lola: rewrite Frontend/Parser/formula_rewrite.k:148
lola: rewrite Frontend/Parser/formula_rewrite.k:115
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:455
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:160
lola: rewrite Frontend/Parser/formula_rewrite.k:148
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:139
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 392 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: TRUE
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: TRUE
lola: processed formula length: 4
lola: 24 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 1 will run for 441 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: TRUE
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: TRUE
lola: processed formula length: 4
lola: 24 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 2 will run for 504 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (X (E (G (((1 <= p560))))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation from a successor
lola: rewrite Frontend/Parser/formula_rewrite.k:583
lola: rewrite Frontend/Parser/formula_rewrite.k:715
lola: processed formula: ((1 <= p560))
lola: processed formula length: 13
lola: 26 rewrites
lola: closed formula file CTLCardinality.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EXEG)
lola: state space: using reachability graph (EXEG version) (--search=depth)
lola: state space: using invisibility based stubborn set method (--stubborn=tarjan)
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
lola: RUNNING
lola: state equation task get result started, id 0
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: ((1 <= p560))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space /EXEG
lola: The predicate is possibly preserved from some successor.
lola: 1 markings, 1 edges
lola: ========================================
lola: subprocess 3 will run for 588 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((((p13 <= 0)) OR DEADLOCK)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:767
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:776
lola: rewrite Frontend/Parser/formula_rewrite.k:793
lola: processed formula: A (G ((((p13 <= 0)) OR DEADLOCK)))
lola: processed formula length: 34
lola: 29 rewrites
lola: closed formula file CTLCardinality.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: built state equation task
lola: RUNNING
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:767
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: rewrite Frontend/Parser/formula_rewrite.k:776
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (((1 <= p13)) AND NODEADLOCK)
lola: state equation task get result unparse finished id 0
lola: state equation: Could not create input for sara: DNF too long or DEADLOCK predicate contained
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 3 markings, 2 edges
lola: ========================================
lola: subprocess 4 will run for 706 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((((1 <= p440)) AND ((p353 <= 0)))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: processed formula: E (F ((((1 <= p440)) AND ((p353 <= 0)))))
lola: processed formula length: 41
lola: 25 rewrites
lola: closed formula file CTLCardinality.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: built state equation task
lola: RUNNING
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (((1 <= p440)) AND ((p353 <= 0)))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 6 markings, 5 edges
lola: ========================================
lola: subprocess 5 will run for 882 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (((1 <= p155) AND (((p21 <= 0)) OR ((1 <= p794))))))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: processed formula: E (F (((1 <= p155) AND (((p21 <= 0)) OR ((1 <= p794))))))
lola: processed formula length: 58
lola: 25 rewrites
lola: closed formula file CTLCardinality.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: built state equation task
lola: RUNNING
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: ((1 <= p155) AND (((p21 <= 0)) OR ((1 <= p794))))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 4 markings, 3 edges
lola: ========================================
lola: subprocess 6 will run for 1176 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G ((((p412 <= 0)) OR ((1 <= p476)))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation
lola: rewrite Frontend/Parser/formula_rewrite.k:583
lola: processed formula: E (G ((((p412 <= 0)) OR ((1 <= p476)))))
lola: processed formula length: 41
lola: 25 rewrites
lola: closed formula file CTLCardinality.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: state space / EG
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: state equation task get result rewrite finished id 0
lola: The predicate is possibly preserved.
lola: 2 markings, 2 edges
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (((1 <= p412)) AND ((p476 <= 0)))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: ========================================
lola: subprocess 7 will run for 1765 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F (E (G (((1 <= p828))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: processed formula: AF(EG(((1 <= p828))))
lola: processed formula length: 21
lola: 26 rewrites
lola: closed formula file CTLCardinality.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 2 markings, 4 edges
lola: ========================================
lola: subprocess 8 will run for 3530 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (((((1 <= p1100)) AND ((p129 <= 0))) U ((((p1232 <= 0)) OR ((1 <= p798))) AND (((p972 <= 0)) OR ((1 <= p67))))))
lola: ========================================
lola: SUBTASK
lola: checking existential until
lola: rewrite Frontend/Parser/formula_rewrite.k:618
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
lola: rewrite Frontend/Parser/formula_rewrite.k:738
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: E (((((1 <= p1100)) AND ((p129 <= 0))) U ((((p1232 <= 0)) OR ((1 <= p798))) AND (((p972 <= 0)) OR ((1 <= p67))))))
lola: processed formula length: 116
lola: 27 rewrites
lola: closed formula file CTLCardinality.xml
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EU)
lola: state space: using reachability graph (EU version) (--search=depth)
lola: state space: using eu preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: state equation task get result started, id 0
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: ((((p1232 <= 0)) OR ((1 <= p798))) AND (((p972 <= 0)) OR ((1 <= p67))))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 8 literals and 4 conjunctive subformulas
lola: SUBRESULT
lola: result: yes
lola: produced by: state space /EU
lola: There is a path where Predicate Phi holds until Predicate Psi.
lola: 0 markings, 0 edges
lola: ========================================
lola: RESULT
lola:
SUMMARY: yes yes yes yes yes yes yes yes no
lola:
preliminary result: yes yes yes yes yes yes yes yes no
lola: memory consumption: 133524 KB
lola: time consumption: 41 seconds
lola: print data as JSON (--json)
lola: writing JSON to CTLCardinality.json
lola: closed JSON file CTLCardinality.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="DLCflexbar-PT-5a"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="itslola"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 DLCflexbar-PT-5a, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r180-ebro-158987900100387"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DLCflexbar-PT-5a.tgz
mv DLCflexbar-PT-5a execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;