- : unit = () - : unit = () h : heuristic = - : unit = () APPLY CRITERIA (Marked dependency pairs) TRS termination of: [1] null(nil) -> true [2] null(add(n,x)) -> false [3] tail(add(n,x)) -> x [4] tail(nil) -> nil [5] head(add(n,x)) -> n [6] app(nil,y) -> y [7] app(add(n,x),y) -> add(n,app(x,y)) [8] reverse(nil) -> nil [9] reverse(add(n,x)) -> app(reverse(x),add(n,nil)) [10] shuffle(x) -> shuff(x,nil) [11] shuff(x,y) -> if(null(x),x,y,app(y,add(head(x),nil))) [12] if(true,x,y,z) -> y [13] if(false,x,y,z) -> shuff(reverse(tail(x)),z) 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: { null(nil) >= true ; null(add(n,x)) >= false ; tail(nil) >= nil ; tail(add(n,x)) >= x ; head(add(n,x)) >= n ; app(nil,y) >= y ; app(add(n,x),y) >= add(n,app(x,y)) ; reverse(nil) >= nil ; reverse(add(n,x)) >= app(reverse(x),add(n,nil)) ; shuff(x,y) >= if(null(x),x,y,app(y,add(head(x),nil))) ; shuffle(x) >= shuff(x,nil) ; if(true,x,y,z) >= y ; if(false,x,y,z) >= shuff(reverse(tail(x)),z) ; Marked_if(false,x,y,z) >= Marked_shuff(reverse(tail(x)),z) ; Marked_shuff(x,y) >= Marked_if(null(x),x,y,app(y,add(head(x),nil))) ; } + Disjunctions:{ { Marked_if(false,x,y,z) > Marked_shuff(reverse(tail(x)),z) ; } { Marked_shuff(x,y) > Marked_if(null(x),x,y,app(y,add(head(x),nil))) ; } } === 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: { null(nil) >= true ; null(add(n,x)) >= false ; tail(nil) >= nil ; tail(add(n,x)) >= x ; head(add(n,x)) >= n ; app(nil,y) >= y ; app(add(n,x),y) >= add(n,app(x,y)) ; reverse(nil) >= nil ; reverse(add(n,x)) >= app(reverse(x),add(n,nil)) ; shuff(x,y) >= if(null(x),x,y,app(y,add(head(x),nil))) ; shuffle(x) >= shuff(x,nil) ; if(true,x,y,z) >= y ; if(false,x,y,z) >= shuff(reverse(tail(x)),z) ; Marked_if(false,x,y,z) >= Marked_shuff(reverse(tail(x)),z) ; Marked_shuff(x,y) > Marked_if(null(x),x,y,app(y,add(head(x),nil))) ; } APPLY CRITERIA (SOLVE_ORD) Trying to solve the following constraints: { null(nil) >= true ; null(add(n,x)) >= false ; tail(nil) >= nil ; tail(add(n,x)) >= x ; head(add(n,x)) >= n ; app(nil,y) >= y ; app(add(n,x),y) >= add(n,app(x,y)) ; reverse(nil) >= nil ; reverse(add(n,x)) >= app(reverse(x),add(n,nil)) ; shuff(x,y) >= if(null(x),x,y,app(y,add(head(x),nil))) ; shuffle(x) >= shuff(x,nil) ; if(true,x,y,z) >= y ; if(false,x,y,z) >= shuff(reverse(tail(x)),z) ; Marked_if(false,x,y,z) >= Marked_shuff(reverse(tail(x)),z) ; Marked_shuff(x,y) > Marked_if(null(x),x,y,app(y,add(head(x),nil))) ; } + 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.(32437 bt (34047) [2040]) === 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 9.283891 seconds (real time) Cime Exit Status: 0