unknown Initial ITS Start location: l2 Program variables: tmp^0 tmp___0^0 0: l0 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, 0 == 0, cost: 1 1: l2 -> l0 : tmp^0'=tmp^post2, tmp___0^0'=tmp___0^post2, (-tmp___0^post2+tmp___0^0 == 0 /\ tmp^0-tmp^post2 == 0), cost: 1 Chained Linear Paths Start location: l2 Program variables: tmp^0 tmp___0^0 2: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, (0 == 0 /\ -tmp___0^post2+tmp___0^0 == 0 /\ tmp^0-tmp^post2 == 0), cost: 1 Eliminating location l0 by chaining: Applied chaining First rule: l2 -> l0 : tmp^0'=tmp^post2, tmp___0^0'=tmp___0^post2, (-tmp___0^post2+tmp___0^0 == 0 /\ tmp^0-tmp^post2 == 0), cost: 1 Second rule: l0 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, 0 == 0, cost: 1 New rule: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, (0 == 0 /\ -tmp___0^post2+tmp___0^0 == 0 /\ tmp^0-tmp^post2 == 0), cost: 1 Applied deletion Removed the following rules: 0 1 Simplified Transitions Start location: l2 Program variables: tmp^0 tmp___0^0 3: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, T, cost: 1 Propagated Equalities Original rule: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, (0 == 0 /\ -tmp___0^post2+tmp___0^0 == 0 /\ tmp^0-tmp^post2 == 0), cost: 1 New rule: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, 0 == 0, cost: 1 propagated equality tmp___0^post2 = tmp___0^0 propagated equality tmp^post2 = tmp^0 Simplified Guard Original rule: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, 0 == 0, cost: 1 New rule: l2 -> l1 : tmp^0'=tmp^post1, tmp___0^0'=tmp___0^post1, T, cost: 1 Step with 3 Trace 3[T] Blocked [{}, {}] Backtrack Trace Blocked [{3[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b