About the Execution of ITS-LoLa for SmallOperatingSystem-PT-MT0064DC0016
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
15743.540 | 3600000.00 | 76163.00 | 8327.20 | FTFFTTTTTFFTTFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/local/x2003239/mcc2020-input.r194-csrt-159033389400027.qcow2', fmt=qcow2 size=4294967296 backing_file=/local/x2003239/mcc2020-input.qcow2 encryption=off 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 SmallOperatingSystem-PT-MT0064DC0016, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r194-csrt-159033389400027
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 200K
-rw-r--r-- 1 mcc users 4.7K Apr 12 17:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Apr 12 17:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 11 20:02 CTLFireability.txt
-rw-r--r-- 1 mcc users 13K Apr 11 20:02 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Mar 24 05:38 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Mar 24 05:38 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 14 12:52 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Apr 28 14:02 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K Apr 14 12:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 28 14:02 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Apr 10 20:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 14K Apr 10 20:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 4.0K Apr 10 05:23 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 22K Apr 10 05:23 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.0K Apr 10 22:29 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.1K Apr 10 22:29 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 equiv_col
-rw-r--r-- 1 mcc users 13 Mar 24 05:38 instance
-rw-r--r-- 1 mcc users 6 Mar 24 05:38 iscolored
-rw-r--r-- 1 mcc users 8.2K Mar 24 05:38 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 SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-00
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-01
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-02
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-03
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-04
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-05
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-06
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-07
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-08
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-09
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-10
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-11
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-12
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-13
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-14
FORMULA_NAME SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-15
=== Now, execution of the tool begins
BK_START 1591199063910
bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
[2020-06-03 15:44:26] [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 15:44:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2020-06-03 15:44:26] [INFO ] Load time of PNML (sax parser for PT used): 67 ms
[2020-06-03 15:44:26] [INFO ] Transformed 9 places.
[2020-06-03 15:44:26] [INFO ] Transformed 8 transitions.
[2020-06-03 15:44:26] [INFO ] Parsed PT model containing 9 places and 8 transitions in 167 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 43 ms.
Incomplete random walk after 100028 steps, including 0 resets, run finished after 152 ms. (steps per millisecond=658 ) properties seen :[1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0]
// Phase 1: matrix 8 rows 9 cols
[2020-06-03 15:44:27] [INFO ] Computed 4 place invariants in 3 ms
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 46 ms returned unsat
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned unsat
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned unsat
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 4 ms returned unsat
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned unsat
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 2 ms returned unsat
[2020-06-03 15:44:27] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned unsat
Successfully simplified 7 atomic propositions for a total of 7 simplifications.
[2020-06-03 15:44:27] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2020-06-03 15:44:27] [INFO ] Flatten gal took : 74 ms
[2020-06-03 15:44:27] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2020-06-03 15:44:27] [INFO ] Flatten gal took : 6 ms
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2020-06-03 15:44:28] [INFO ] Export to MCC properties in file /home/mcc/execution/CTLCardinality.sr.xml took 17 ms.
[2020-06-03 15:44:28] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml took 1 ms.
info: Time: 3600 - MCC
vrfy: Checking CTLCardinality @ SmallOperatingSystem-PT-MT0064DC0016 @ 3570 seconds
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-10 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-04 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-03 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-05 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-11 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
FORMULA SmallOperatingSystem-PT-MT0064DC0016-CTLCardinality-07 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
vrfy: finished
info: timeLeft: 3537
rslt: Output for CTLCardinality @ SmallOperatingSystem-PT-MT0064DC0016
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"files":
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"formula": "CTLCardinality.xml",
"net": "model.pnml"
},
"formula":
{
"skeleton": "E(F(A(G(**)))) : E(F(A(G(**)))) : E(F(**)) : (A(G(*)) OR (E((** U **)) OR **)) : (** AND (E(F(**)) OR (** OR (A(F(**)) AND **)))) : A(G(**)) : A(G(**)) : (E(F(*)) OR ((A(F(**)) AND **) OR (** OR **))) : E(X(E((** U **)))) : A(G(**)) : A(G(**))"
},
"net":
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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: 17/268435456 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 288
lola: finding significant places
lola: 9 places, 8 transitions, 5 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: E (F (A (G (((3 <= p2) AND (p5 <= p3)))))) : E (((0 <= 0) U A (G ((3 <= p2))))) : E (F ((p0 <= p4))) : ((NOT(E (F ((p7 <= p5)))) OR E (((p8 <= p2) U (p6 + 1 <= p5)))) OR ((p7 + 1 <= p8) AND (p8 + 1 <= p5))) : ((3 <= p6) AND ((E (F ((p1 <= p7))) OR ((p8 <= 0) AND (p1 <= 1))) OR (A (F ((1 <= p2))) AND (1 <= p3)))) : A (G ((3 <= p1))) : A (G (A (G ((p2 + 1 <= p1))))) : (((NOT(A (G ((p2 <= p1)))) OR (A (F ((p2 <= p8))) AND (2 <= p7))) OR ((p1 <= p4) AND (p2 <= p1) AND (2 <= p8))) OR ((3 <= p4) AND ((p2 <= p1) OR (p2 <= p6)))) : E (X (E (((p2 <= p6) U (p1 <= p8))))) : A (G (E (G ((p3 + 1 <= p1))))) : A (G (((p8 + 1 <= p6) OR ((1 <= p2) AND (p7 <= p5)))))
lola: rewrite Frontend/Parser/formula_rewrite.k:100
lola: rewrite Frontend/Parser/formula_rewrite.k:169
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:389
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:254
lola: rewrite Frontend/Parser/formula_rewrite.k:458
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 324 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (X (E (((p2 <= p6) U (p1 <= p8)))))
lola: ========================================
lola: SUBTASK
lola: checking existential until from successors
lola: rewrite Frontend/Parser/formula_rewrite.k:688
lola: built state equation task
lola: rewrite Frontend/Parser/formula_rewrite.k:716
lola: rewrite Frontend/Parser/formula_rewrite.k:688
lola: processed formula: E (X (E (((p2 <= p6) U (p1 <= p8)))))
lola: processed formula length: 37
lola: 18 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 / EXEU)
lola: state space: using reachability graph (EXEU 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: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (p1 <= p8)
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-0.sara
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-0.sara.
sara: place or transition ordering is non-deterministic
lola: state equation 0: solution produced
lola: SUBRESULT
lola: result: yes
lola: produced by: state space / EXEU
lola: There is a path where Predicate Phi holds until Predicate Psi from some successor.
lola: 707050 markings, 2038681 edges
lola: ========================================
lola: subprocess 1 will run for 356 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((3 <= p1)))
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:787
lola: processed formula: A (G ((3 <= p1)))
lola: processed formula length: 17
lola: 17 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:787
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (p1 <= 2)
lola: state equation task get result unparse finished id 0
lola: SUBRESULT
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 109 markings, 108 edges
lola: ========================================
lola: subprocess 2 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((p2 + 1 <= p1)))
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:787
lola: processed formula: A (G ((p2 + 1 <= p1)))
lola: processed formula length: 22
lola: 17 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:787
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (p1 <= p2)
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: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 97 markings, 96 edges
lola: ========================================
lola: subprocess 3 will run for 445 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((p0 <= p4)))
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 ((p0 <= p4)))
lola: processed formula length: 18
lola: 16 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: (p0 <= p4)
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
lola: state equation: write sara problem file to CTLCardinality-3-0.sara
lola: The predicate is reachable.
lola: state equation: calling and running sara
lola: 113 markings, 112 edges
lola: ========================================
lola: subprocess 4 will run for 509 seconds at most (--localtimelimit=0)
sara: try reading problem file CTLCardinality-3-0.sara.
sara: place or transition ordering is non-deterministic
lola: ========================================
lola: ...considering subproblem: A (G ((p3 + 1 <= p1)))
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:787
lola: processed formula: A (G ((p3 + 1 <= p1)))
lola: processed formula length: 22
lola: 17 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:787
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (p1 <= p3)
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: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 113 markings, 112 edges
lola: subprocess 5 will run for 594 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (((p8 + 1 <= p6) OR ((1 <= p2) AND (p7 <= p5)))))
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:787
lola: processed formula: A (G (((p8 + 1 <= p6) OR ((1 <= p2) AND (p7 <= p5)))))
lola: processed formula length: 55
lola: 17 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: 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: state equation task get result unparse finished++ id 0
lola: formula 0: ((p6 <= p8) AND ((p2 <= 0) OR (p5 + 1 <= p7)))
lola: state equation task get result unparse finished id 0
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 65 markings, 64 edges
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-5-0.sara
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-5-0.sara.
sara: place or transition ordering is non-deterministic
lola: state equation 0: solution produced
lola: ========================================
lola: subprocess 6 will run for 712 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (A (G ((3 <= p2)))))
lola: ========================================
lola: SUBTASK
lola: checking possible invariance
lola: rewrite Frontend/Parser/formula_rewrite.k:604
lola: rewrite Frontend/Parser/formula_rewrite.k:614
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: processed formula: (p2 <= 2)
lola: processed formula length: 9
lola: 19 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
lola: using tscc preserving stubborn set method (--stubborn)
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
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: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:700
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (3 <= p2)
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-6-0.sara
lola: state equation task get result started, id 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: state equation task get result rewrite finished id 1
lola: state equation task get result unparse finished++ id 1
lola: formula 1: (p2 <= 2)
lola: state equation task get result unparse finished id 1
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-6-1.sara
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-6-1.sara.
sara: place or transition ordering is non-deterministic
lola: state equation 1: solution produced
lola: sara is running 0 secs || sara is running 0 secs || 1571901 markings, 7779601 edges, 314380 markings/sec, 0 secs
lola: SUBRESULT
lola: result: no
lola: produced by: parallel
lola: The predicate is not possibly invariant.
lola: 1580218 markings, 9686226 edges
lola: ========================================
lola: subprocess 7 will run for 889 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (A (G (((3 <= p2) AND (p5 <= p3))))))
lola: ========================================
lola: SUBTASK
lola: checking possible invariance
lola: rewrite Frontend/Parser/formula_rewrite.k:604
lola: rewrite Frontend/Parser/formula_rewrite.k:614
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: processed formula: ((p2 <= 2) OR (p3 + 1 <= p5))
lola: processed formula length: 30
lola: 19 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
lola: using tscc preserving stubborn set method (--stubborn)
lola: Planning: workflow for reachability check: stateequation (--findpath=off)
lola: built state equation task
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: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:700
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: ((3 <= p2) AND (p5 <= p3))
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 2 literals and 1 conjunctive subformulas
lola: state equation task get result started, id 1
lola: rewrite Frontend/Parser/formula_rewrite.k:711
lola: rewrite Frontend/Parser/formula_rewrite.k:787
lola: state equation task get result rewrite finished id 1
lola: state equation task get result unparse finished++ id 1
lola: formula 1: ((p2 <= 2) OR (p3 + 1 <= p5))
lola: state equation task get result unparse finished id 1
lola: state equation: Generated DNF with 2 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-7-1.sara
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-7-1.sara.
sara: place or transition ordering is non-deterministic
lola: state equation 1: solution produced
lola: state equation: write sara problem file to CTLCardinality-7-0.sara
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-7-0.sara.
sara: place or transition ordering is non-deterministic
lola: state equation 0: solution produced
lola: sara is running 0 secs || sara is running 0 secs || 2581510 markings, 7454967 edges, 516302 markings/sec, 0 secs
lola: sara is running 5 secs || sara is running 5 secs || 4062297 markings, 14411549 edges, 296157 markings/sec, 5 secs
lola: sara is running 10 secs || sara is running 10 secs || 4073968 markings, 21381526 edges, 2334 markings/sec, 10 secs
lola: sara is running 15 secs || sara is running 15 secs || 4077397 markings, 28588861 edges, 686 markings/sec, 15 secs
lola: SUBRESULT
lola: result: no
lola: produced by: parallel
lola: The predicate is not possibly invariant.
lola: 4077909 markings, 28886701 edges
lola: ========================================
lola: subprocess 8 will run for 1179 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G ((p5 + 1 <= p7))) OR (E (((p8 <= p2) U (p6 + 1 <= p5))) OR ((p7 + 1 <= p8) AND (p8 + 1 <= p5))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 8 will run for 1179 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ((p7 + 1 <= p8) AND (p8 + 1 <= p5))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: ((p7 + 1 <= p8) AND (p8 + 1 <= p5))
lola: processed formula length: 35
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 2 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 9 will run for 1769 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((p5 + 1 <= p7)))
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:788
lola: processed formula: A (G ((p5 + 1 <= p7)))
lola: processed formula length: 22
lola: 17 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:788
lola: state equation task get result rewrite finished id 0
lola: state equation task get result unparse finished++ id 0
lola: formula 0: (p7 <= p5)
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-9-0.sara
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 10 will run for 3538 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (((p8 <= p2) U (p6 + 1 <= p5)))
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 (((p8 <= p2) U (p6 + 1 <= p5)))
lola: processed formula length: 33
lola: 18 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: (p6 + 1 <= p5)
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-10-0.sara
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-10-0.sara.
sara: place or transition ordering is non-deterministic
lola: state equation 0: solution produced
lola: SUBRESULT
lola: result: yes
lola: produced by: state space /EU
lola: There is a path where Predicate Phi holds until Predicate Psi.
lola: 123328 markings, 342600 edges
lola: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================
lola: subprocess 9 will run for 1768 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (E (F ((p1 + 1 <= p2))) OR ((A (F ((p2 <= p8))) AND (2 <= p7)) OR (((p1 <= p4) AND (p2 <= p1) AND (2 <= p8)) OR ((3 <= p4) AND ((p2 <= p1) OR (p2 <= p6))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 9 will run for 1768 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (2 <= p7)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (2 <= p7)
lola: processed formula length: 9
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 1 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 10 will run for 3537 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((p1 + 1 <= p2)))
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 ((p1 + 1 <= p2)))
lola: processed formula length: 22
lola: 16 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: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 99 markings, 98 edges
lola: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: subprocess 10 will run for 3537 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ((3 <= p6) AND (E (F ((p1 <= p7))) OR (((p8 <= 0) AND (p1 <= 1)) OR (A (F ((1 <= p2))) AND (1 <= p3)))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 10 will run for 3537 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (1 <= p3)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (1 <= p3)
lola: processed formula length: 9
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 1 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 12 will run for 1 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ((p8 <= 0) AND (p1 <= 1))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: ((p8 <= 0) AND (p1 <= 1))
lola: processed formula length: 25
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 2 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 13 will run for 1 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((p1 <= p7)))
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 ((p1 <= p7)))
lola: processed formula length: 18
lola: 16 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: (p1 <= p7)
lola: state equation task get result unparse finished id 0
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to CTLCardinality-13-0.sara
lola: ========================================
lola: state equation: calling and running sara
sara: try reading problem file CTLCardinality-13-0.sara.
sara: place or transition ordering is non-deterministic
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 89 markings, 88 edges
lola: ========================================
lola: SUBRESULT
lola: result: unknown
lola: The Boolean predicate may be true or false.
lola: ========================================
lola: ========================================
lola: ...considering subproblem: ((3 <= p6) AND (E (F ((p1 <= p7))) OR (((p8 <= 0) AND (p1 <= 1)) OR (A (F ((1 <= p2))) AND (1 <= p3)))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: ========================================
lola: ...considering subproblem: (1 <= p3)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (1 <= p3)
lola: processed formula length: 9
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 1 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: ========================================
lola: ...considering subproblem: (3 <= p6)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (3 <= p6)
lola: processed formula length: 9
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 1 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: ========================================
lola: ...considering subproblem: ((p8 <= 0) AND (p1 <= 1))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: ((p8 <= 0) AND (p1 <= 1))
lola: processed formula length: 25
lola: 15 rewrites
lola: closed formula file CTLCardinality.xml
lola: processed formula with 2 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: ========================================
lola: ...considering subproblem: E (F ((p1 <= p7)))
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 ((p1 <= p7)))
lola: processed formula length: 18
lola: 16 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: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 89 markings, 88 edges
lola: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================
lola: RESULT
lola:
SUMMARY: no no yes yes yes no no yes yes no no
lola:
preliminary result: no no yes yes yes no no yes yes no no
lola: memory consumption: 21228 KB
lola: time consumption: 33 seconds
lola: print data as JSON (--json)
lola: writing JSON to CTLCardinality.json
lola: closed JSON file CTLCardinality.json
rslt: finished
TIME LIMIT: Killed by timeout after 3600 seconds
MemTotal: 16427332 kB
MemFree: 16128580 kB
After kill :
MemTotal: 16427332 kB
MemFree: 16128060 kB
--------------------
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="SmallOperatingSystem-PT-MT0064DC0016"
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 SmallOperatingSystem-PT-MT0064DC0016, 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 r194-csrt-159033389400027"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SmallOperatingSystem-PT-MT0064DC0016.tgz
mv SmallOperatingSystem-PT-MT0064DC0016 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 ;