unknown Initial ITS Start location: __init Program variables: arg1 arg2 0: f1_0_main_Load -> f1_0_main_Load\' : arg1'=arg1p1, arg2'=arg2p1, (arg1-arg1p1 == 0 /\ arg1 > 0 /\ -arg2p1+arg2 == 0 /\ 1+x2 > 0 /\ arg2 > 0), cost: 1 1: f1_0_main_Load\' -> f134_0_test_GT : arg1'=arg1p2, arg2'=arg2p2, (x7-100*x8 >= 0 /\ arg1 > 0 /\ x7-100*x8-arg1p2 == 0 /\ 1+x7 > 0 /\ -arg2p2+arg2 == 0 /\ -100+x7-100*x8 < 0 /\ arg2 > 0), cost: 1 2: f134_0_test_GT -> f134_0_test_GT : arg1'=arg1p3, arg2'=arg2p3, (arg1 > 0 /\ -1+arg1-arg1p3 == 0 /\ -1 < 0 /\ -arg2p3+arg2 == 0 /\ arg2 > 0), cost: 1 3: __init -> f1_0_main_Load : arg1'=arg1p4, arg2'=arg2p4, T, cost: 1 Chained Linear Paths Start location: __init Program variables: arg1 arg2 2: f134_0_test_GT -> f134_0_test_GT : arg1'=arg1p3, arg2'=arg2p3, (arg1 > 0 /\ -1+arg1-arg1p3 == 0 /\ -1 < 0 /\ -arg2p3+arg2 == 0 /\ arg2 > 0), cost: 1 5: __init -> f134_0_test_GT : arg1'=arg1p2, arg2'=arg2p2, (arg1p4-arg1p1 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ x7-100*x8-arg1p2 == 0 /\ arg1p1 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0 /\ -arg2p2+arg2p1 == 0 /\ arg2p1 > 0), cost: 1 Eliminating location f1_0_main_Load by chaining: Applied chaining First rule: __init -> f1_0_main_Load : arg1'=arg1p4, arg2'=arg2p4, T, cost: 1 Second rule: f1_0_main_Load -> f1_0_main_Load\' : arg1'=arg1p1, arg2'=arg2p1, (arg1-arg1p1 == 0 /\ arg1 > 0 /\ -arg2p1+arg2 == 0 /\ 1+x2 > 0 /\ arg2 > 0), cost: 1 New rule: __init -> f1_0_main_Load\' : arg1'=arg1p1, arg2'=arg2p1, (arg1p4-arg1p1 == 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ 1+x2 > 0), cost: 1 Applied deletion Removed the following rules: 0 3 Eliminating location f1_0_main_Load\' by chaining: Applied chaining First rule: __init -> f1_0_main_Load\' : arg1'=arg1p1, arg2'=arg2p1, (arg1p4-arg1p1 == 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ 1+x2 > 0), cost: 1 Second rule: f1_0_main_Load\' -> f134_0_test_GT : arg1'=arg1p2, arg2'=arg2p2, (x7-100*x8 >= 0 /\ arg1 > 0 /\ x7-100*x8-arg1p2 == 0 /\ 1+x7 > 0 /\ -arg2p2+arg2 == 0 /\ -100+x7-100*x8 < 0 /\ arg2 > 0), cost: 1 New rule: __init -> f134_0_test_GT : arg1'=arg1p2, arg2'=arg2p2, (arg1p4-arg1p1 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ x7-100*x8-arg1p2 == 0 /\ arg1p1 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0 /\ -arg2p2+arg2p1 == 0 /\ arg2p1 > 0), cost: 1 Applied deletion Removed the following rules: 1 4 Simplified Transitions Start location: __init Program variables: arg1 arg2 6: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, (arg1 > 0 /\ arg2 > 0), cost: 1 7: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0), cost: 1 Propagated Equalities Original rule: f134_0_test_GT -> f134_0_test_GT : arg1'=arg1p3, arg2'=arg2p3, (arg1 > 0 /\ -1+arg1-arg1p3 == 0 /\ -1 < 0 /\ -arg2p3+arg2 == 0 /\ arg2 > 0), cost: 1 New rule: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, arg2'=arg2, (0 == 0 /\ arg1 > 0 /\ -1 < 0 /\ arg2 > 0), cost: 1 propagated equality arg1p3 = -1+arg1 propagated equality arg2p3 = arg2 Simplified Guard Original rule: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, arg2'=arg2, (0 == 0 /\ arg1 > 0 /\ -1 < 0 /\ arg2 > 0), cost: 1 New rule: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, arg2'=arg2, (arg1 > 0 /\ arg2 > 0), cost: 1 Removed Trivial Updates Original rule: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, arg2'=arg2, (arg1 > 0 /\ arg2 > 0), cost: 1 New rule: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, (arg1 > 0 /\ arg2 > 0), cost: 1 Propagated Equalities Original rule: __init -> f134_0_test_GT : arg1'=arg1p2, arg2'=arg2p2, (arg1p4-arg1p1 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ x7-100*x8-arg1p2 == 0 /\ arg1p1 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0 /\ -arg2p2+arg2p1 == 0 /\ arg2p1 > 0), cost: 1 New rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p1, (0 == 0 /\ arg1p4-arg1p1 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ arg1p1 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0 /\ arg2p1 > 0), cost: 1 propagated equality arg1p2 = x7-100*x8 propagated equality arg2p2 = arg2p1 Propagated Equalities Original rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p1, (0 == 0 /\ arg1p4-arg1p1 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4-arg2p1 == 0 /\ arg2p4 > 0 /\ arg1p1 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0 /\ arg2p1 > 0), cost: 1 New rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (0 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0), cost: 1 propagated equality arg1p1 = arg1p4 propagated equality arg2p1 = arg2p4 Simplified Guard Original rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (0 == 0 /\ x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0), cost: 1 New rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0), cost: 1 Eliminated Temporary Variables via Transitive Closure Original rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (x7-100*x8 >= 0 /\ arg1p4 > 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ 1+x2 > 0 /\ -100+x7-100*x8 < 0), cost: 1 New rule: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0), cost: 1 Step with 7 Trace 7[(x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0)] Blocked [{}, {}] Step with 6 Trace 7[(x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0)], 6[(arg1 > 0 /\ arg2 > 0)] Blocked [{}, {}, {}] Accelerate Start location: __init Program variables: arg1 arg2 6: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, (arg1 > 0 /\ arg2 > 0), cost: 1 8: f134_0_test_GT -> f134_0_test_GT : arg1'=arg1-n, (-1+n >= 0 /\ 1+arg1-n > 0 /\ arg2 > 0), cost: 1 7: __init -> f134_0_test_GT : arg1'=x7-100*x8, arg2'=arg2p4, (x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0), cost: 1 Loop Acceleration Original rule: f134_0_test_GT -> f134_0_test_GT : arg1'=-1+arg1, (arg1 > 0 /\ arg2 > 0), cost: 1 New rule: f134_0_test_GT -> f134_0_test_GT : arg1'=arg1-n, (-1+n >= 0 /\ 1+arg1-n > 0 /\ arg2 > 0), cost: 1 arg1 > 0 [0]: montonic decrease yields 1+arg1-n > 0 arg1 > 0 [1]: eventual increase yields (1 <= 0 /\ arg1 > 0) arg2 > 0 [0]: monotonic increase yields arg2 > 0 Replacement map: {arg1 > 0 -> 1+arg1-n > 0, arg2 > 0 -> arg2 > 0} Trace 7[(x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0)], 8[(-1+n >= 0 /\ 1+arg1-n > 0 /\ arg2 > 0)] Blocked [{}, {}, {6[T], 8[T]}] Backtrack Trace 7[(x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0)] Blocked [{}, {8[T]}] Step with 6 Trace 7[(x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0)], 6[(arg1 > 0 /\ arg2 > 0)] Blocked [{}, {8[T]}, {}] Covered Trace 7[(x7-100*x8 >= 0 /\ arg2p4 > 0 /\ 1+x7 > 0 /\ -100+x7-100*x8 < 0)] Blocked [{}, {6[T], 8[T]}] Backtrack Trace Blocked [{7[T]}] Accept unknown Build SHA: a05f16bf13df659c382799650051f91bf6828c7b