NO

Solver Timeout: 4
Global Timeout: 60
No parsing errors!
Init Location: 0
Transitions:
<l0, l27, true>
<l1, l2, (undef5 = __disjvr_0^0) /\ (__disjvr_0^0 = undef5), par{__disjvr_0^0 -> undef5}>
<l1, l3, ((0 + h_17^0) <= 0) /\ (0 <= (0 + h_17^0)) /\ (undef45 = (0 + ret_18^0)) /\ (undef83 = (0 + undef45)) /\ (undef42 = undef42), par{Result_5^0 -> undef42, __cil_tmp5_20^0 -> undef45}>
<l4, l5, (0 <= (0 + len_98^0)), par{buffer_21^0 -> (0 + Result_5^0), i_22^0 -> (1 + i_22^0), len_98^0 -> (1 + len_98^0)}>
<l6, l7, (0 <= (0 + len_98^0)) /\ (undef147 = undef147), par{h_17^0 -> (0 + x_16^0), len_98^0 -> undef147, ret_18^0 -> 0}>
<l6, l4, ((0 + lt3^0) <= 0)>
<l6, l8, (1 <= (0 + lt3^0)), par{lt2^0 -> (1 + lt2^0), lt3^0 -> (~(1) + lt3^0)}>
<l8, l6, true>
<l9, l1, true, par{h_17^0 -> (0 + x_16^0), ret_18^0 -> 0}>
<l9, l6, true, par{lt2^0 -> 0, lt3^0 -> (0 + lt1^0)}>
<l10, l11, true>
<l12, l13, (0 <= (~(1) + len_98^0)) /\ (undef434 = undef434), par{elem_13^0 -> (0 + l_11^0), len_98^0 -> undef434, prev_14^0 -> 0}>
<l12, l9, ((0 + sz^0) <= (0 + i^0))>
<l12, l14, ((1 + i^0) <= (0 + sz^0)), par{i^0 -> (1 + i^0), lt1^0 -> (1 + lt1^0)}>
<l14, l12, true>
<l13, l15, (0 <= (~(1) + len_98^0)) /\ ((0 + elem_13^0) <= 0) /\ (0 <= (0 + elem_13^0))>
<l15, l16, (undef622 = __disjvr_1^0) /\ (__disjvr_1^0 = undef622), par{__disjvr_1^0 -> undef622}>
<l13, l17, (0 <= (~(1) + len_98^0))>
<l17, l18, (undef705 = __disjvr_2^0) /\ (__disjvr_2^0 = undef705), par{__disjvr_2^0 -> undef705}>
<l13, l19, (0 <= (~(1) + len_98^0)) /\ (undef762 = undef762) /\ ((0 + elem_13^0) <= 0) /\ (0 <= (0 + elem_13^0)) /\ ((0 + prev_14^0) <= 0) /\ (0 <= (0 + prev_14^0)) /\ (undef761 = (0 + x_12^0)) /\ (undef742 = (0 + undef761)), par{Result_5^0 -> (0 + undef742), __cil_tmp5_15^0 -> undef742, l_11^0 -> undef761, len_98^0 -> undef762}>
<l20, l21, (undef813 = undef813), par{buffer_21^0 -> 0, i_22^0 -> 0, sz_23^0 -> (0 + undef813), tmp_24^0 -> undef813}>
<l19, l22, true, par{ret_18^0 -> (0 + Result_5^0)}>
<l19, l12, true, par{i^0 -> 0, lt1^0 -> 0}>
<l5, l11, (0 <= (0 + len_98^0)) /\ (undef926 = undef926) /\ (((0 + (~(1) * i_22^0)) + sz_23^0) <= 0), par{len_98^0 -> undef926}>
<l5, l4, (0 <= (0 + len_98^0)) /\ (undef986 = undef986) /\ (0 <= ((~(1) + (~(1) * i_22^0)) + sz_23^0)) /\ (undef979 = undef979) /\ (undef953 = undef953) /\ (undef961 = undef961) /\ (undef965 = undef965) /\ (undef976 = undef976) /\ (undef977 = undef977) /\ (undef987 = undef987) /\ (undef958 = undef958) /\ (undef981 = undef981) /\ (0 <= (0 + undef987)) /\ (undef967 = undef967) /\ (undef978 = undef978) /\ (undef984 = (0 + undef978)) /\ (undef946 = (0 + undef984)), par{Result_5^0 -> (0 + undef946), __cil_tmp5_10^0 -> undef946, a_6^0 -> undef953, buffer_604^0 -> undef958, d_7^0 -> undef961, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, tmp_24^0 -> undef977, tmp_9^0 -> undef978, tmp___0_25^0 -> undef979, tmp___0_605^0 -> undef981, x_8^0 -> undef984}>
<l21, l9, (((0 + (~(1) * i_22^0)) + sz_23^0) <= 0) /\ (undef1026 = undef1026) /\ (undef1008 = undef1008) /\ (undef1019 = undef1019) /\ (undef1020 = undef1020) /\ (undef998 = undef998), par{buffer_1139^0 -> undef998, i_22^0 -> undef1008, sz_23^0 -> undef1019, tmp_24^0 -> undef1020, x_16^0 -> undef1026}>
<l21, l5, (0 <= ((~(1) + (~(1) * i_22^0)) + sz_23^0)) /\ (undef1063 = undef1063) /\ (undef1037 = undef1037) /\ (undef1045 = undef1045) /\ (undef1070 = undef1070) /\ (undef1060 = undef1060) /\ (undef1061 = undef1061) /\ (undef1041 = undef1041) /\ (undef1064 = undef1064) /\ (undef1062 = undef1062) /\ (undef1068 = (0 + undef1062)) /\ (undef1030 = (0 + undef1068)) /\ (undef1029 = (0 + undef1030)), par{Result_5^0 -> undef1029, __cil_tmp5_10^0 -> undef1030, a_6^0 -> undef1037, buffer_21^0 -> (0 + undef1029), buffer_35^0 -> undef1041, d_7^0 -> undef1045, i_22^0 -> (1 + undef1070), len_98^0 -> (0 + undef1070), sz_23^0 -> undef1060, tmp_24^0 -> undef1061, tmp_9^0 -> undef1062, tmp___0_25^0 -> undef1063, tmp___0_36^0 -> undef1064, x_8^0 -> undef1068}>
<l23, l5, true, par{buffer_21^0 -> (0 + Result_5^0), i_22^0 -> (1 + i_22^0), len_98^0 -> (0 + i_22^0)}>
<l7, l24, (0 <= (0 + len_98^0)) /\ ((0 + h_17^0) <= 0) /\ (0 <= (0 + h_17^0))>
<l7, l25, (0 <= (0 + len_98^0)) /\ (undef1175 = undef1175), par{len_98^0 -> undef1175}>
<l25, l26, (undef1201 = __disjvr_3^0) /\ (__disjvr_3^0 = undef1201), par{__disjvr_3^0 -> undef1201}>
<l26, l12, (undef1277 = (0 + y_1094^0)) /\ (undef1276 = (0 + undef1277)) /\ (undef1261 = undef1261) /\ (undef1256 = undef1256) /\ (undef1272 = undef1272) /\ (undef1273 = undef1273) /\ (undef1253 = undef1253) /\ (undef1246 = undef1246) /\ (undef1255 = undef1255) /\ (undef1266 = undef1266) /\ (undef1267 = undef1267) /\ (undef1257 = undef1257) /\ (undef1263 = undef1263) /\ (undef1249 = undef1249), par{buffer_21^0 -> undef1246, cand_1104^0 -> undef1249, cand_19^0 -> (0 + h_17^0), h_17^0 -> undef1253, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, lt_29^0 -> undef1261, ret_1103^0 -> undef1263, sz_23^0 -> undef1266, tmp_24^0 -> undef1267, x_12^0 -> undef1272, x_16^0 -> undef1273}>
<l11, l6, (undef1316 = undef1316) /\ (undef1298 = undef1298) /\ (undef1309 = undef1309) /\ (undef1310 = undef1310) /\ (undef1300 = undef1300) /\ (undef1287 = undef1287), par{buffer_1077^0 -> undef1287, i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, tmp_24^0 -> undef1310, x_16^0 -> undef1316}>
<l11, l19, (undef1349 = undef1349), par{sz^0 -> undef1349}>
<l27, l10, true>

Fresh variables:
undef5, undef42, undef45, undef83, undef147, undef434, undef622, undef705, undef742, undef761, undef762, undef813, undef926, undef946, undef953, undef958, undef961, undef965, undef967, undef976, undef977, undef978, undef979, undef981, undef984, undef986, undef987, undef998, undef1008, undef1019, undef1020, undef1026, undef1029, undef1030, undef1037, undef1041, undef1045, undef1060, undef1061, undef1062, undef1063, undef1064, undef1068, undef1070, undef1175, undef1201, undef1246, undef1249, undef1253, undef1255, undef1256, undef1257, undef1261, undef1263, undef1266, undef1267, undef1272, undef1273, undef1276, undef1277, undef1287, undef1298, undef1300, undef1309, undef1310, undef1316, undef1349, 

Undef variables:
undef5, undef42, undef45, undef83, undef147, undef434, undef622, undef705, undef742, undef761, undef762, undef813, undef926, undef946, undef953, undef958, undef961, undef965, undef967, undef976, undef977, undef978, undef979, undef981, undef984, undef986, undef987, undef998, undef1008, undef1019, undef1020, undef1026, undef1029, undef1030, undef1037, undef1041, undef1045, undef1060, undef1061, undef1062, undef1063, undef1064, undef1068, undef1070, undef1175, undef1201, undef1246, undef1249, undef1253, undef1255, undef1256, undef1257, undef1261, undef1263, undef1266, undef1267, undef1272, undef1273, undef1276, undef1277, undef1287, undef1298, undef1300, undef1309, undef1310, undef1316, undef1349, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

Preprocessed LLVMGraph
Init Location: 0
Transitions:
<l0, l6, (undef1316 = undef1316) /\ (undef1298 = undef1298) /\ (undef1309 = undef1309) /\ (undef1310 = undef1310) /\ (undef1300 = undef1300) /\ (undef1287 = undef1287), par{i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316}>
<l0, l22, (undef1349 = undef1349), par{sz^0 -> undef1349}>
<l0, l12, (undef1349 = undef1349), par{i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349}>
<l4, l6, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef926 = undef926) /\ (((0 + (~(1) * (1 + i_22^0))) + sz_23^0) <= 0) /\ (undef1316 = undef1316) /\ (undef1298 = undef1298) /\ (undef1309 = undef1309) /\ (undef1310 = undef1310) /\ (undef1300 = undef1300) /\ (undef1287 = undef1287), par{i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316}>
<l4, l22, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef926 = undef926) /\ (((0 + (~(1) * (1 + i_22^0))) + sz_23^0) <= 0) /\ (undef1349 = undef1349), par{i_22^0 -> (1 + i_22^0), len_98^0 -> undef926, sz^0 -> undef1349}>
<l4, l12, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef926 = undef926) /\ (((0 + (~(1) * (1 + i_22^0))) + sz_23^0) <= 0) /\ (undef1349 = undef1349), par{i^0 -> 0, i_22^0 -> (1 + i_22^0), len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349}>
<l4, l4, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef986 = undef986) /\ (0 <= ((~(1) + (~(1) * (1 + i_22^0))) + sz_23^0)) /\ (undef979 = undef979) /\ (undef953 = undef953) /\ (undef961 = undef961) /\ (undef965 = undef965) /\ (undef976 = undef976) /\ (undef977 = undef977) /\ (undef987 = undef987) /\ (undef958 = undef958) /\ (undef981 = undef981) /\ (0 <= (0 + undef987)) /\ (undef967 = undef967) /\ (undef978 = undef978) /\ (undef984 = (0 + undef978)) /\ (undef946 = (0 + undef984)), par{Result_5^0 -> (0 + undef946), i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976}>
<l6, l24, (0 <= (0 + len_98^0)) /\ (undef147 = undef147) /\ (0 <= (0 + undef147)) /\ ((0 + (0 + x_16^0)) <= 0) /\ (0 <= (0 + (0 + x_16^0))), par{len_98^0 -> undef147}>
<l6, l12, (0 <= (0 + len_98^0)) /\ (undef147 = undef147) /\ (0 <= (0 + undef147)) /\ (undef1175 = undef1175) /\ (undef1201 = __disjvr_3^0) /\ (__disjvr_3^0 = undef1201) /\ (undef1277 = (0 + y_1094^0)) /\ (undef1276 = (0 + undef1277)) /\ (undef1261 = undef1261) /\ (undef1256 = undef1256) /\ (undef1272 = undef1272) /\ (undef1273 = undef1273) /\ (undef1253 = undef1253) /\ (undef1246 = undef1246) /\ (undef1255 = undef1255) /\ (undef1266 = undef1266) /\ (undef1267 = undef1267) /\ (undef1257 = undef1257) /\ (undef1263 = undef1263) /\ (undef1249 = undef1249), par{__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273}>
<l6, l4, ((0 + lt3^0) <= 0)>
<l6, l6, (1 <= (0 + lt3^0)), par{lt2^0 -> (1 + lt2^0), lt3^0 -> (~(1) + lt3^0)}>
<l12, l16, (0 <= (~(1) + len_98^0)) /\ (undef434 = undef434) /\ (0 <= (~(1) + undef434)) /\ ((0 + (0 + l_11^0)) <= 0) /\ (0 <= (0 + (0 + l_11^0))) /\ (undef622 = __disjvr_1^0) /\ (__disjvr_1^0 = undef622), par{__disjvr_1^0 -> undef622, len_98^0 -> undef434}>
<l12, l18, (0 <= (~(1) + len_98^0)) /\ (undef434 = undef434) /\ (0 <= (~(1) + undef434)) /\ (undef705 = __disjvr_2^0) /\ (__disjvr_2^0 = undef705), par{__disjvr_2^0 -> undef705, len_98^0 -> undef434}>
<l12, l22, (0 <= (~(1) + len_98^0)) /\ (undef434 = undef434) /\ (0 <= (~(1) + undef434)) /\ (undef762 = undef762) /\ ((0 + (0 + l_11^0)) <= 0) /\ (0 <= (0 + (0 + l_11^0))) /\ ((0 + 0) <= 0) /\ (0 <= (0 + 0)) /\ (undef761 = (0 + x_12^0)) /\ (undef742 = (0 + undef761)), par{Result_5^0 -> (0 + undef742), l_11^0 -> undef761, len_98^0 -> undef762}>
<l12, l12, (0 <= (~(1) + len_98^0)) /\ (undef434 = undef434) /\ (0 <= (~(1) + undef434)) /\ (undef762 = undef762) /\ ((0 + (0 + l_11^0)) <= 0) /\ (0 <= (0 + (0 + l_11^0))) /\ ((0 + 0) <= 0) /\ (0 <= (0 + 0)) /\ (undef761 = (0 + x_12^0)) /\ (undef742 = (0 + undef761)), par{Result_5^0 -> (0 + undef742), i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0}>
<l12, l2, ((0 + sz^0) <= (0 + i^0)) /\ (undef5 = __disjvr_0^0) /\ (__disjvr_0^0 = undef5), par{__disjvr_0^0 -> undef5}>
<l12, l3, ((0 + sz^0) <= (0 + i^0)) /\ ((0 + (0 + x_16^0)) <= 0) /\ (0 <= (0 + (0 + x_16^0))) /\ (undef45 = (0 + 0)) /\ (undef83 = (0 + undef45)) /\ (undef42 = undef42), par{Result_5^0 -> undef42}>
<l12, l6, ((0 + sz^0) <= (0 + i^0)), par{lt2^0 -> 0, lt3^0 -> (0 + lt1^0)}>
<l12, l12, ((1 + i^0) <= (0 + sz^0)), par{i^0 -> (1 + i^0), lt1^0 -> (1 + lt1^0)}>

Fresh variables:
undef5, undef42, undef45, undef83, undef147, undef434, undef622, undef705, undef742, undef761, undef762, undef813, undef926, undef946, undef953, undef958, undef961, undef965, undef967, undef976, undef977, undef978, undef979, undef981, undef984, undef986, undef987, undef998, undef1008, undef1019, undef1020, undef1026, undef1029, undef1030, undef1037, undef1041, undef1045, undef1060, undef1061, undef1062, undef1063, undef1064, undef1068, undef1070, undef1175, undef1201, undef1246, undef1249, undef1253, undef1255, undef1256, undef1257, undef1261, undef1263, undef1266, undef1267, undef1272, undef1273, undef1276, undef1277, undef1287, undef1298, undef1300, undef1309, undef1310, undef1316, undef1349, 

Undef variables:
undef5, undef42, undef45, undef83, undef147, undef434, undef622, undef705, undef742, undef761, undef762, undef813, undef926, undef946, undef953, undef958, undef961, undef965, undef967, undef976, undef977, undef978, undef979, undef981, undef984, undef986, undef987, undef998, undef1008, undef1019, undef1020, undef1026, undef1029, undef1030, undef1037, undef1041, undef1045, undef1060, undef1061, undef1062, undef1063, undef1064, undef1068, undef1070, undef1175, undef1201, undef1246, undef1249, undef1253, undef1255, undef1256, undef1257, undef1261, undef1263, undef1266, undef1267, undef1272, undef1273, undef1276, undef1277, undef1287, undef1298, undef1300, undef1309, undef1310, undef1316, undef1349, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

*************************************************************
*******************************************************************************************
***********************       WORKING TRANSITION SYSTEM (DAG)       ***********************
*******************************************************************************************

Init Location: 0
Graph 0:
Transitions:
Variables:

Graph 1:
Transitions:
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
<l6, l4, lt3^0 <= 0, {all remain the same}>
<l6, l6, 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Variables:
i_22^0, len_98^0, sz_23^0, x_16^0, sz^0, Result_5^0, __disjvr_3^0, l_11^0, x_12^0, y_1094^0, lt3^0, lt2^0, i^0, lt1^0

Graph 2:
Transitions:
Variables:

Graph 3:
Transitions:
Variables:

Graph 4:
Transitions:
Variables:

Graph 5:
Transitions:
Variables:

Graph 6:
Transitions:
Variables:

Graph 7:
Transitions:
Variables:

Precedence: 
Graph 0

Graph 1
<l0, l6, true, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
<l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

Graph 2
<l12, l3, sz^0 <= i^0 /\ x_16^0 = 0 /\ undef45 = 0 /\ undef45 = undef83, {Result_5^0 -> undef42, rest remain the same}>

Graph 3
<l12, l2, sz^0 <= i^0 /\ __disjvr_0^0 = undef5, {__disjvr_0^0 -> undef5, rest remain the same}>

Graph 4
<l0, l22, true, {sz^0 -> undef1349, rest remain the same}>
<l4, l22, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, sz^0 -> undef1349, rest remain the same}>
<l12, l22, 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, l_11^0 -> undef761, len_98^0 -> undef762, rest remain the same}>

Graph 5
<l12, l18, 1 <= len_98^0 /\ 1 <= undef434 /\ __disjvr_2^0 = undef705, {__disjvr_2^0 -> undef705, len_98^0 -> undef434, rest remain the same}>

Graph 6
<l12, l16, 1 <= len_98^0 /\ 1 <= undef434 /\ __disjvr_1^0 = undef622 /\ l_11^0 = 0, {__disjvr_1^0 -> undef622, len_98^0 -> undef434, rest remain the same}>

Graph 7
<l6, l24, 0 <= len_98^0 /\ 0 <= undef147 /\ x_16^0 = 0, {len_98^0 -> undef147, rest remain the same}>

Map Locations to Subgraph:
( 0 , 0 )
( 2 , 3 )
( 3 , 2 )
( 4 , 1 )
( 6 , 1 )
( 12 , 1 )
( 16 , 6 )
( 18 , 5 )
( 22 , 4 )
( 24 , 7 )

*******************************************************************************************
********************************    CHECKING ASSERTIONS    ********************************
*******************************************************************************************

Proving termination of subgraph 0
Proving termination of subgraph 1
Checking unfeasibility...
Time used: 0.153431

Checking conditional termination of SCC {l4, l6, l12}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.020209s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.034641s
Trying to remove transition: <l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.040228s
Time used: 0.037494
Trying to remove transition: <l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.041676s
Time used: 0.036863
Trying to remove transition: <l12, l12, 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.053653s
Time used: 0.046064
Trying to remove transition: <l6, l6, 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.038847s
Time used: 0.028806
Trying to remove transition: <l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.065164s
Time used: 0.062253
Trying to remove transition: <l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.049832s
Time used: 0.035095
Trying to remove transition: <l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.063024s
Time used: 0.056239
Trying to remove transition: <l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.042596s
Time used: 0.032091
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.891979s
Time used: 0.885073
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.914427s
Time used: 0.914272

LOG: SAT solveNonLinear - Elapsed time: 1.806406s
Cost: 2; Total time: 1.79934
Failed at location 6: 1 + len_98^0 <= 0
Failed at location 12: 1 <= 0
Before Improving: 
Quasi-invariant at l4: 1 + len_98^0 <= 0
Quasi-invariant at l6: 1 + len_98^0 <= 0
Quasi-invariant at l12: 1 <= 0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.021455s
Remaining time after improvement: 0.988933
Termination implied by a set of quasi-invariant(s):
Quasi-invariant at l4: 1 + len_98^0 <= 0
Quasi-invariant at l6: 1 + len_98^0 <= 0
Quasi-invariant at l12: 1 <= 0
[ Invariant Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l4, lt3^0 <= 0 /\ 1 + len_98^0 <= 0, {all remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l6, 1 + len_98^0 <= 0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l12, 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
[ Termination Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l4, lt3^0 <= 0 /\ 1 + len_98^0 <= 0, {all remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l6, 1 + len_98^0 <= 0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l12, 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
New Graphs: 
Transitions:
<l6, l6, 1 + len_98^0 <= 0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
Variables:
len_98^0, lt2^0, lt3^0
Checking conditional termination of SCC {l6}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002279s
Ranking function: -1 + lt3^0
New Graphs: 
Calling Safety with literal 1 + len_98^0 <= 0 and entry <l0, l6, true, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 1
* Exit transition: <l0, l6, true, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
* Postcondition  : 1 + len_98^0 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001721s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.001807s
Calling Safety with literal 1 <= 0 and entry <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL check - Post:1 <= 0 - Process 2
* Exit transition: <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
* Postcondition  : 1 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001674s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.001736s
INVARIANTS: 
4: 
6: 
12: 
Quasi-INVARIANTS to narrow Graph: 
4: 1 + len_98^0 <= 0 , 
6: 1 + len_98^0 <= 0 , 
12: 1 <= 0 , 
Narrowing transition: 
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l4, lt3^0 <= 0, {all remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l6, 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l12, l12, 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>

LOG: Narrow transition size 1
invGraph after Narrowing: 
Transitions:
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
<l12, l6, 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
<l12, l12, 0 <= 0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Variables:
i_22^0, len_98^0, sz_23^0, x_16^0, sz^0, Result_5^0, __disjvr_3^0, l_11^0, x_12^0, y_1094^0, lt3^0, lt2^0, i^0, lt1^0
Checking conditional termination of SCC {l4, l6, l12}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.006495s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.034735s
Trying to remove transition: <l12, l12, 0 <= 0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.043142s
Time used: 0.039779
Trying to remove transition: <l12, l6, 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.052392s
Time used: 0.047302
Trying to remove transition: <l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.062487s
Time used: 0.053284
Trying to remove transition: <l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.049159s
Time used: 0.037156
Trying to remove transition: <l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.079144s
Time used: 0.072813
Trying to remove transition: <l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.054106s
Time used: 0.038343
Trying to remove transition: <l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.055977s
Time used: 0.047814
Trying to remove transition: <l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.047171s
Time used: 0.035127
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.851742s
Time used: 0.844635
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.883452s
Time used: 0.883289

LOG: SAT solveNonLinear - Elapsed time: 1.735194s
Cost: 2; Total time: 1.72792
Failed at location 6: 1 + len_98^0 <= 0
Failed at location 12: 1 + len_98^0 <= 0
Before Improving: 
Quasi-invariant at l4: 1 <= 0
Quasi-invariant at l6: 1 + len_98^0 <= 0
Quasi-invariant at l12: 1 + len_98^0 <= 0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.023125s
Remaining time after improvement: 0.988002
Termination implied by a set of quasi-invariant(s):
Quasi-invariant at l4: 1 <= 0
Quasi-invariant at l6: 1 + len_98^0 <= 0
Quasi-invariant at l12: 1 + len_98^0 <= 0
[ Invariant Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 1 + len_98^0 <= 0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l12, 0 <= 0 /\ 1 + i^0 <= sz^0 /\ 1 + len_98^0 <= 0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
[ Termination Graph ]
Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
It's unfeasible. Removing transition: 
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 1 + len_98^0 <= 0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l12, 0 <= 0 /\ 1 + i^0 <= sz^0 /\ 1 + len_98^0 <= 0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
New Graphs: 
Transitions:
<l12, l12, 0 <= 0 /\ 1 + i^0 <= sz^0 /\ 1 + len_98^0 <= 0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Variables:
i^0, len_98^0, lt1^0, sz^0
Checking conditional termination of SCC {l12}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002727s
Ranking function: -1 - i^0 + sz^0
New Graphs: 
Calling Safety with literal 1 + len_98^0 <= 0 and entry <l0, l6, 0 <= undef1300, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 3
* Exit transition: <l0, l6, 0 <= undef1300, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
* Postcondition  : 1 + len_98^0 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002367s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.002452s
Calling Safety with literal 1 + len_98^0 <= 0 and entry <l0, l12, 0 <= 0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 4
* Exit transition: <l0, l12, 0 <= 0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
* Postcondition  : 1 + len_98^0 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002083s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.002158s
INVARIANTS: 
4: 
6: 
12: 
Quasi-INVARIANTS to narrow Graph: 
4: 1 <= 0 , 
6: 1 + len_98^0 <= 0 , 
12: 1 + len_98^0 <= 0 , 
Narrowing transition: 
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l4, l12, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l12, l6, 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l12, l12, 0 <= 0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>

LOG: Narrow transition size 1
invGraph after Narrowing: 
Transitions:
<l4, l6, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
<l4, l12, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
<l4, l4, 0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 0 <= len_98^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
<l12, l12, 0 <= 0 /\ 0 <= len_98^0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Variables:
i_22^0, len_98^0, sz_23^0, x_16^0, sz^0, Result_5^0, __disjvr_3^0, l_11^0, x_12^0, y_1094^0, lt3^0, lt2^0, i^0, lt1^0
Checking conditional termination of SCC {l4, l6, l12}...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.007352s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.040409s
Trying to remove transition: <l12, l12, 0 <= 0 /\ 0 <= len_98^0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.058139s
Time used: 0.052686
Trying to remove transition: <l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 0 <= len_98^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064315s
Time used: 0.056078
Trying to remove transition: <l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.064913s
Time used: 0.052615
Trying to remove transition: <l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.053739s
Time used: 0.041203
Trying to remove transition: <l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.080539s
Time used: 0.074086
Trying to remove transition: <l4, l4, 0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.059875s
Time used: 0.043113
Trying to remove transition: <l4, l12, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.068291s
Time used: 0.059936
Trying to remove transition: <l4, l6, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.050183s
Time used: 0.037897
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.413680s
Time used: 1.40751
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.005723s
Time used: 4.00005
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.022523s
Time used: 1.00036
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.404676s
Time used: 0.372885

Proving non-termination of subgraph 1
Transitions:
<l4, l6, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
<l4, l12, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
<l4, l4, 0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>
<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 0 <= len_98^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
<l12, l12, 0 <= 0 /\ 0 <= len_98^0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
Variables:
i_22^0, len_98^0, sz_23^0, x_16^0, sz^0, Result_5^0, __disjvr_3^0, l_11^0, x_12^0, y_1094^0, lt3^0, lt2^0, i^0, lt1^0

Checking that every undef value has an assignment...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.014760s
Checking conditional non-termination of SCC {l4, l6, l12}...
EXIT TRANSITIONS:
<l4, end, 1 + len_98^0 <= 0, {all remain the same}>
<l6, end, 1 + len_98^0 <= 0, {all remain the same}>
<l12, end, 1 <= l_11^0 /\ 1 + len_98^0 <= 0, {all remain the same}>
<l12, end, l_11^0 <= 0 /\ 1 + len_98^0 <= 0, {all remain the same}>

Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.703193s
Time used: 1.69957
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.526032s
Time used: 0.52601

LOG: SAT solveNonLinear - Elapsed time: 2.229226s
Cost: 2; Total time: 2.22558
Failed at location 6: 0 <= len_98^0
Failed at location 12: 0 <= len_98^0
Before Improving: 
Quasi-invariant at l4: 0 <= len_98^0
Quasi-invariant at l6: 0 <= len_98^0
Quasi-invariant at l12: 0 <= len_98^0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.055480s
Remaining time after improvement: 0.981281
Minimizing number of undef constraints...

LOG: CALL solveNonLinear

LOG: RETURN solveNonLinear - Elapsed time: 0.047586s
Number of undef constraints reduced!

Non-termination implied by a set of quasi-invariant(s):
Quasi-invariant at l4: 0 <= len_98^0
Quasi-invariant at l6: 0 <= len_98^0
Quasi-invariant at l12: 0 <= len_98^0
Constraint over undef '1 <= undef1300' in transition:
<l4, l6, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
Constraint over undef '1 <= undef926' in transition:
<l4, l12, 0 <= 0 /\ 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
Constraint over undef '1 + len_98^0 <= undef967' in transition:
<l4, l4, 0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef987 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>
Constraint over undef '1 <= undef1257' in transition:
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>
Constraint over undef '1 + len_98^0 <= undef762' in transition:
<l12, l12, 0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

Strengthening and disabling EXIT transitions...
Closed exits from l4: 1
Closed exits from l6: 1
Closed exits from l12: 2

Strengthening and disabling transitions...

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l4, l6, 0 <= 0 /\ 0 <= len_98^0 /\ 1 <= undef1300 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l4, l12, 0 <= 0 /\ 0 <= len_98^0 /\ 1 <= undef926 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef926, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l4, l4, 0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef987 /\ 1 + len_98^0 <= undef967 /\ 2 + i_22^0 <= sz_23^0 /\ undef946 = undef984 /\ undef978 = undef984, {Result_5^0 -> undef946, i_22^0 -> undef965, len_98^0 -> undef967, sz_23^0 -> undef976, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l12, 0 <= len_98^0 /\ 0 <= undef147 /\ 1 <= undef1257 /\ __disjvr_3^0 = undef1201 /\ y_1094^0 = undef1277 /\ undef1276 = undef1277, {__disjvr_3^0 -> undef1201, i_22^0 -> undef1255, l_11^0 -> undef1256, len_98^0 -> undef1257, sz_23^0 -> undef1266, x_12^0 -> undef1272, x_16^0 -> undef1273, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l6, 0 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l12, 0 <= 0 /\ 1 + len_98^0 <= undef762 /\ 1 <= len_98^0 /\ 1 <= undef434 /\ l_11^0 = 0 /\ x_12^0 = undef761 /\ undef742 = undef761, {Result_5^0 -> undef742, i^0 -> 0, l_11^0 -> undef761, len_98^0 -> undef762, lt1^0 -> 0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 0 <= len_98^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l12, l12, 0 <= 0 /\ 0 <= len_98^0 /\ 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>

Calling reachability with...
Transition: <l6, end, true, {all remain the same}>
Conditions: 0 <= len_98^0, 
Transition: <l12, end, true, {all remain the same}>
Conditions: 0 <= len_98^0, 
OPEN EXITS: 
<l6, end, 0 <= len_98^0, {all remain the same}>
<l12, end, 0 <= len_98^0, {all remain the same}>

--- Reachability graph ---
> Graph without transitions.

Calling reachability with...
Transition: <l0, l6, true, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
Conditions: 0 <= len_98^0, 
Transition: <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>
Conditions: 0 <= len_98^0, 
OPEN EXITS: 
<l0, l6, 0 <= undef1300, {i_22^0 -> undef1298, len_98^0 -> undef1300, sz_23^0 -> undef1309, x_16^0 -> undef1316, rest remain the same}>
<l0, l12, 0 <= len_98^0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1349, rest remain the same}>

> Conditions are reachable!

Program does NOT terminate