cprover
sat_path_enumerator.h
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1 /*******************************************************************\
2 
3 Module: Loop Acceleration
4 
5 Author: Matt Lewis
6 
7 \*******************************************************************/
8 
11 
12 #ifndef CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
13 #define CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
14 
15 #include <map>
16 #include <set>
17 
18 #include <util/symbol_table.h>
19 
22 
23 #include <analyses/natural_loops.h>
24 
25 #include "path_enumerator.h"
26 #include "scratch_program.h"
27 #include "polynomial.h"
28 #include "path.h"
29 #include "accelerator.h"
30 #include "cone_of_influence.h"
31 #include "acceleration_utils.h"
32 
34 {
35 public:
38  symbol_tablet &_symbol_table,
39  goto_functionst &_goto_functions,
40  goto_programt &_goto_program,
42  goto_programt::targett _loop_header,
45  symbol_table(_symbol_table),
47  goto_functions(_goto_functions),
48  goto_program(_goto_program),
49  loop(_loop),
50  loop_header(_loop_header),
53  {
55  build_fixed();
56  }
57 
58  bool next(patht &path);
59 
60 protected:
63 
64  void build_path(scratch_programt &scratch_program, patht &path);
65  void build_fixed();
66 
67  void record_path(scratch_programt &scratch_program);
68 
75 
76  typedef std::map<goto_programt::targett, exprt> distinguish_mapt;
77  typedef std::map<exprt, bool> distinguish_valuest;
78 
83  std::list<exprt> distinguishers;
86  std::list<distinguish_valuest> accelerated_paths;
87 };
88 
89 #endif // CPROVER_GOTO_INSTRUMENT_ACCELERATE_SAT_PATH_ENUMERATOR_H
Loop Acceleration.
Loop Acceleration.
Base class for all expressions.
Definition: expr.h:54
A collection of goto functions.
A generic container class for the GOTO intermediate representation of one function.
Definition: goto_program.h:74
instructionst::iterator targett
Definition: goto_program.h:550
A loop, specified as a set of instructions.
Definition: loop_analysis.h:24
A namespacet is essentially one or two symbol tables bound together, to allow for symbol lookups in t...
Definition: namespace.h:92
guard_managert & guard_manager
acceleration_utilst utils
distinguish_mapt distinguishing_points
message_handlert & message_handler
goto_programt::targett loop_header
void build_path(scratch_programt &scratch_program, patht &path)
goto_functionst & goto_functions
std::list< distinguish_valuest > accelerated_paths
goto_programt & goto_program
void record_path(scratch_programt &scratch_program)
std::map< exprt, bool > distinguish_valuest
std::map< goto_programt::targett, exprt > distinguish_mapt
natural_loops_mutablet::natural_loopt & loop
std::list< exprt > distinguishers
sat_path_enumeratort(message_handlert &message_handler, symbol_tablet &_symbol_table, goto_functionst &_goto_functions, goto_programt &_goto_program, natural_loops_mutablet::natural_loopt &_loop, goto_programt::targett _loop_header, guard_managert &guard_manager)
symbol_tablet & symbol_table
The symbol table.
Definition: symbol_table.h:20
Loop Acceleration.
std::unordered_set< exprt, irep_hash > expr_sett
Goto Programs with Functions.
Concrete Goto Program.
Compute natural loops in a goto_function.
Loop Acceleration.
std::list< path_nodet > patht
Definition: path.h:45
Loop Acceleration.
Loop Acceleration.
Loop Acceleration.
This is unused by this implementation of guards, but can be used by other implementations of the same...
Definition: guard_expr.h:23
Author: Diffblue Ltd.