- : unit = () - : unit = () h : heuristic = - : unit = () APPLY CRITERIA (Marked dependency pairs) TRS termination of: [1] plus(0,y) -> y [2] plus(s(x),y) -> s(plus(x,y)) [3] lt(0,s(y)) -> true [4] lt(x,0) -> false [5] lt(s(x),s(y)) -> lt(x,y) [6] fib(x) -> fibiter(x,0,0,s(0)) [7] fibiter(b,c,x,y) -> if(lt(c,b),b,c,x,y) [8] if(false,b,c,x,y) -> x [9] if(true,b,c,x,y) -> fibiter(b,s(c),y,plus(x,y)) Sub problem: guided: DP termination of: END GUIDED APPLY CRITERIA (Graph splitting) Found 3 components: { --> --> } { --> } { --> } APPLY CRITERIA (Subterm criterion) APPLY CRITERIA (Choosing graph) Trying to solve the following constraints: { plus(0,y) >= y ; plus(s(x),y) >= s(plus(x,y)) ; lt(0,s(y)) >= true ; lt(s(x),s(y)) >= lt(x,y) ; lt(x,0) >= false ; fibiter(b,c,x,y) >= if(lt(c,b),b,c,x,y) ; fib(x) >= fibiter(x,0,0,s(0)) ; if(true,b,c,x,y) >= fibiter(b,s(c),y,plus(x,y)) ; if(false,b,c,x,y) >= x ; Marked_if(true,b,c,x,y) >= Marked_fibiter(b,s(c),y,plus(x,y)) ; Marked_fibiter(b,c,x,y) >= Marked_if(lt(c,b),b,c,x,y) ; } + Disjunctions:{ { Marked_if(true,b,c,x,y) > Marked_fibiter(b,s(c),y,plus(x,y)) ; } { Marked_fibiter(b,c,x,y) > Marked_if(lt(c,b),b,c,x,y) ; } } === TIMER virtual : 10.000000 === Entering poly_solver Starting Sat solver initialization Calling Sat solver... === STOPING TIMER virtual === === TIMER real : 10.000000 === === STOPING TIMER real === Sat solver returned === STOPING TIMER real === === STOPING TIMER virtual === No solution found for these parameters. Entering rpo_solver === TIMER virtual : 25.000000 === Search parameters: AFS type: 2 ; time limit: 25.. === STOPING TIMER virtual === === TIMER virtual : 25.000000 === Search parameters: AFS type: 2 ; time limit: 25.. === STOPING TIMER virtual === === TIMER virtual : 15.000000 === Entering poly_solver Starting Sat solver initialization Calling Sat solver... === STOPING TIMER virtual === === TIMER real : 15.000000 === === STOPING TIMER real === Sat solver returned === STOPING TIMER real === === STOPING TIMER virtual === No solution found for these parameters. === TIMER virtual : 50.000000 === trying sub matrices of size: 1 Matrix interpretation constraints generated. Search parameters: LINEAR MATRIX 3x3 (strict=1x1) ; time limit: 50.. Termination constraints generated. Starting Sat solver initialization Calling Sat solver... === STOPING TIMER virtual === === TIMER real : 50.000000 === === STOPING TIMER real === Sat solver returned === STOPING TIMER real === === STOPING TIMER virtual === No solution found for these parameters. No solution found for these constraints. APPLY CRITERIA (Simple graph) Found the following constraints: { plus(0,y) >= y ; plus(s(x),y) >= s(plus(x,y)) ; lt(0,s(y)) >= true ; lt(s(x),s(y)) >= lt(x,y) ; lt(x,0) >= false ; fibiter(b,c,x,y) >= if(lt(c,b),b,c,x,y) ; fib(x) >= fibiter(x,0,0,s(0)) ; if(true,b,c,x,y) >= fibiter(b,s(c),y,plus(x,y)) ; if(false,b,c,x,y) >= x ; Marked_if(true,b,c,x,y) >= Marked_fibiter(b,s(c),y,plus(x,y)) ; Marked_fibiter(b,c,x,y) > Marked_if(lt(c,b),b,c,x,y) ; } APPLY CRITERIA (SOLVE_ORD) Trying to solve the following constraints: { plus(0,y) >= y ; plus(s(x),y) >= s(plus(x,y)) ; lt(0,s(y)) >= true ; lt(s(x),s(y)) >= lt(x,y) ; lt(x,0) >= false ; fibiter(b,c,x,y) >= if(lt(c,b),b,c,x,y) ; fib(x) >= fibiter(x,0,0,s(0)) ; if(true,b,c,x,y) >= fibiter(b,s(c),y,plus(x,y)) ; if(false,b,c,x,y) >= x ; Marked_if(true,b,c,x,y) >= Marked_fibiter(b,s(c),y,plus(x,y)) ; Marked_fibiter(b,c,x,y) > Marked_if(lt(c,b),b,c,x,y) ; } + Disjunctions:{ } === TIMER virtual : 10.000000 === Entering poly_solver Starting Sat solver initialization Calling Sat solver... === STOPING TIMER virtual === === TIMER real : 10.000000 === === STOPING TIMER real === Sat solver returned === STOPING TIMER real === === STOPING TIMER virtual === No solution found for these parameters. Entering rpo_solver === TIMER virtual : 25.000000 === Search parameters: AFS type: 2 ; time limit: 25.. === STOPING TIMER virtual === No solution found for these parameters.(26170 bt (26556) [2035]) === TIMER virtual : 15.000000 === Entering poly_solver Starting Sat solver initialization Calling Sat solver... === STOPING TIMER virtual === === TIMER real : 15.000000 === === STOPING TIMER real === Sat solver returned === STOPING TIMER real === === STOPING TIMER virtual === No solution found for these parameters. === TIMER virtual : 50.000000 === trying sub matrices of size: 1 Matrix interpretation constraints generated. Search parameters: LINEAR MATRIX 3x3 (strict=1x1) ; time limit: 50.. Termination constraints generated. Starting Sat solver initialization Calling Sat solver... === STOPING TIMER virtual === === TIMER real : 50.000000 === === STOPING TIMER real === Sat solver returned === STOPING TIMER real === === STOPING TIMER virtual === No solution found for these parameters. No solution found for these constraints. APPLY CRITERIA (ID_CRIT) NOT SOLVED No proof found Cime worked for 2.676870 seconds (real time) Cime Exit Status: 0