- : unit = () - : unit = () h : heuristic = - : unit = () APPLY CRITERIA (Marked dependency pairs) TRS termination of: [1] plus(0,x) -> x [2] plus(s(x),y) -> s(plus(x,y)) [3] times(0,y) -> 0 [4] times(s(x),y) -> plus(y,times(x,y)) [5] p(s(x)) -> x [6] p(0) -> 0 [7] minus(x,0) -> x [8] minus(0,x) -> 0 [9] minus(x,s(y)) -> p(minus(x,y)) [10] isZero(0) -> true [11] isZero(s(x)) -> false [12] facIter(x,y) -> if(isZero(x),minus(x,s(0)),y,times(y,x)) [13] if(true,x,y,z) -> y [14] if(false,x,y,z) -> facIter(x,z) [15] factorial(x) -> facIter(x,s(0)) Sub problem: guided: DP termination of: END GUIDED APPLY CRITERIA (Graph splitting) Found 4 components: { --> --> } { --> } { --> } { --> } APPLY CRITERIA (Subterm criterion) APPLY CRITERIA (Choosing graph) Trying to solve the following constraints: { plus(0,x) >= x ; plus(s(x),y) >= s(plus(x,y)) ; times(0,y) >= 0 ; times(s(x),y) >= plus(y,times(x,y)) ; p(0) >= 0 ; p(s(x)) >= x ; minus(0,x) >= 0 ; minus(x,0) >= x ; minus(x,s(y)) >= p(minus(x,y)) ; isZero(0) >= true ; isZero(s(x)) >= false ; if(true,x,y,z) >= y ; if(false,x,y,z) >= facIter(x,z) ; facIter(x,y) >= if(isZero(x),minus(x,s(0)),y,times(y,x)) ; factorial(x) >= facIter(x,s(0)) ; Marked_facIter(x,y) >= Marked_if(isZero(x),minus(x,s(0)),y,times(y,x)) ; Marked_if(false,x,y,z) >= Marked_facIter(x,z) ; } + Disjunctions:{ { Marked_facIter(x,y) > Marked_if(isZero(x),minus(x,s(0)),y,times(y,x)) ; } { Marked_if(false,x,y,z) > Marked_facIter(x,z) ; } } === 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,x) >= x ; plus(s(x),y) >= s(plus(x,y)) ; times(0,y) >= 0 ; times(s(x),y) >= plus(y,times(x,y)) ; p(0) >= 0 ; p(s(x)) >= x ; minus(0,x) >= 0 ; minus(x,0) >= x ; minus(x,s(y)) >= p(minus(x,y)) ; isZero(0) >= true ; isZero(s(x)) >= false ; if(true,x,y,z) >= y ; if(false,x,y,z) >= facIter(x,z) ; facIter(x,y) >= if(isZero(x),minus(x,s(0)),y,times(y,x)) ; factorial(x) >= facIter(x,s(0)) ; Marked_facIter(x,y) > Marked_if(isZero(x),minus(x,s(0)),y,times(y,x)) ; Marked_if(false,x,y,z) >= Marked_facIter(x,z) ; } APPLY CRITERIA (SOLVE_ORD) Trying to solve the following constraints: { plus(0,x) >= x ; plus(s(x),y) >= s(plus(x,y)) ; times(0,y) >= 0 ; times(s(x),y) >= plus(y,times(x,y)) ; p(0) >= 0 ; p(s(x)) >= x ; minus(0,x) >= 0 ; minus(x,0) >= x ; minus(x,s(y)) >= p(minus(x,y)) ; isZero(0) >= true ; isZero(s(x)) >= false ; if(true,x,y,z) >= y ; if(false,x,y,z) >= facIter(x,z) ; facIter(x,y) >= if(isZero(x),minus(x,s(0)),y,times(y,x)) ; factorial(x) >= facIter(x,s(0)) ; Marked_facIter(x,y) > Marked_if(isZero(x),minus(x,s(0)),y,times(y,x)) ; Marked_if(false,x,y,z) >= Marked_facIter(x,z) ; } + 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.(50371 bt (53838) [2160]) === 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 10.481921 seconds (real time) Cime Exit Status: 0