NO

Solver Timeout: 4
Global Timeout: 60
No parsing errors!
Init Location: 0
Transitions:
<l0, l27, true>
<l1, l2, ((1 + h_17^0) <= 0)>
<l1, l2, (1 <= (0 + h_17^0))>
<l1, l3, ((0 + h_17^0) <= 0) /\ (0 <= (0 + h_17^0)) /\ (undef78 = (0 + ret_18^0)) /\ (undef112 = (0 + undef78)) /\ (undef75 = undef75), par{Result_5^0 -> undef75, ___cil_tmp5_20^0 -> undef78}>
<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)) /\ (undef168 = undef168), par{h_17^0 -> (0 + x_16^0), len_98^0 -> undef168, 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)) /\ (undef427 = undef427), par{elem_13^0 -> (0 + l_11^0), len_98^0 -> undef427, 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, ((1 + prev_14^0) <= 0)>
<l15, l16, (1 <= (0 + prev_14^0))>
<l13, l17, (0 <= (~(1) + len_98^0))>
<l17, l18, ((1 + elem_13^0) <= 0)>
<l17, l18, (1 <= (0 + elem_13^0))>
<l13, l19, (0 <= (~(1) + len_98^0)) /\ (undef797 = undef797) /\ ((0 + elem_13^0) <= 0) /\ (0 <= (0 + elem_13^0)) /\ ((0 + prev_14^0) <= 0) /\ (0 <= (0 + prev_14^0)) /\ (undef796 = (0 + x_12^0)) /\ (undef781 = (0 + undef796)), par{Result_5^0 -> (0 + undef781), ___cil_tmp5_15^0 -> undef781, l_11^0 -> undef796, len_98^0 -> undef797}>
<l20, l21, (undef844 = undef844), par{buffer_21^0 -> 0, i_22^0 -> 0, sz_23^0 -> (0 + undef844), tmp_24^0 -> undef844}>
<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)) /\ (undef945 = undef945) /\ (((0 + (~(1) * i_22^0)) + sz_23^0) <= 0), par{len_98^0 -> undef945}>
<l5, l4, (0 <= (0 + len_98^0)) /\ (undef1001 = undef1001) /\ (0 <= ((~(1) + (~(1) * i_22^0)) + sz_23^0)) /\ (undef994 = undef994) /\ (undef968 = undef968) /\ (undef976 = undef976) /\ (undef980 = undef980) /\ (undef991 = undef991) /\ (undef992 = undef992) /\ (undef1002 = undef1002) /\ (undef973 = undef973) /\ (undef996 = undef996) /\ (0 <= (0 + undef1002)) /\ (undef982 = undef982) /\ (undef993 = undef993) /\ (undef999 = (0 + undef993)) /\ (undef965 = (0 + undef999)), par{Result_5^0 -> (0 + undef965), ___cil_tmp5_10^0 -> undef965, a_6^0 -> undef968, buffer_604^0 -> undef973, d_7^0 -> undef976, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, tmp_24^0 -> undef992, tmp_9^0 -> undef993, tmp___0_25^0 -> undef994, tmp___0_605^0 -> undef996, x_8^0 -> undef999}>
<l21, l9, (((0 + (~(1) * i_22^0)) + sz_23^0) <= 0) /\ (undef1037 = undef1037) /\ (undef1019 = undef1019) /\ (undef1030 = undef1030) /\ (undef1031 = undef1031) /\ (undef1009 = undef1009), par{buffer_1139^0 -> undef1009, i_22^0 -> undef1019, sz_23^0 -> undef1030, tmp_24^0 -> undef1031, x_16^0 -> undef1037}>
<l21, l5, (0 <= ((~(1) + (~(1) * i_22^0)) + sz_23^0)) /\ (undef1070 = undef1070) /\ (undef1044 = undef1044) /\ (undef1052 = undef1052) /\ (undef1077 = undef1077) /\ (undef1067 = undef1067) /\ (undef1068 = undef1068) /\ (undef1048 = undef1048) /\ (undef1071 = undef1071) /\ (undef1069 = undef1069) /\ (undef1075 = (0 + undef1069)) /\ (undef1041 = (0 + undef1075)) /\ (undef1040 = (0 + undef1041)), par{Result_5^0 -> undef1040, ___cil_tmp5_10^0 -> undef1041, a_6^0 -> undef1044, buffer_21^0 -> (0 + undef1040), buffer_35^0 -> undef1048, d_7^0 -> undef1052, i_22^0 -> (1 + undef1077), len_98^0 -> (0 + undef1077), sz_23^0 -> undef1067, tmp_24^0 -> undef1068, tmp_9^0 -> undef1069, tmp___0_25^0 -> undef1070, tmp___0_36^0 -> undef1071, x_8^0 -> undef1075}>
<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)) /\ (undef1170 = undef1170), par{len_98^0 -> undef1170}>
<l25, l26, ((1 + h_17^0) <= 0)>
<l25, l26, (1 <= (0 + h_17^0))>
<l26, l12, (undef1301 = (0 + y_1094^0)) /\ (undef1300 = (0 + undef1301)) /\ (undef1285 = undef1285) /\ (undef1280 = undef1280) /\ (undef1296 = undef1296) /\ (undef1297 = undef1297) /\ (undef1277 = undef1277) /\ (undef1270 = undef1270) /\ (undef1279 = undef1279) /\ (undef1290 = undef1290) /\ (undef1291 = undef1291) /\ (undef1281 = undef1281) /\ (undef1287 = undef1287) /\ (undef1273 = undef1273), par{buffer_21^0 -> undef1270, cand_1104^0 -> undef1273, cand_19^0 -> (0 + h_17^0), h_17^0 -> undef1277, i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, lt_29^0 -> undef1285, ret_1103^0 -> undef1287, sz_23^0 -> undef1290, tmp_24^0 -> undef1291, x_12^0 -> undef1296, x_16^0 -> undef1297}>
<l11, l6, (undef1336 = undef1336) /\ (undef1318 = undef1318) /\ (undef1329 = undef1329) /\ (undef1330 = undef1330) /\ (undef1320 = undef1320) /\ (undef1307 = undef1307), par{buffer_1077^0 -> undef1307, i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, tmp_24^0 -> undef1330, x_16^0 -> undef1336}>
<l11, l19, (undef1365 = undef1365), par{sz^0 -> undef1365}>
<l27, l10, true>

Fresh variables:
undef75, undef78, undef112, undef168, undef427, undef781, undef796, undef797, undef844, undef945, undef965, undef968, undef973, undef976, undef980, undef982, undef991, undef992, undef993, undef994, undef996, undef999, undef1001, undef1002, undef1009, undef1019, undef1030, undef1031, undef1037, undef1040, undef1041, undef1044, undef1048, undef1052, undef1067, undef1068, undef1069, undef1070, undef1071, undef1075, undef1077, undef1170, undef1270, undef1273, undef1277, undef1279, undef1280, undef1281, undef1285, undef1287, undef1290, undef1291, undef1296, undef1297, undef1300, undef1301, undef1307, undef1318, undef1320, undef1329, undef1330, undef1336, undef1365, 

Undef variables:
undef75, undef78, undef112, undef168, undef427, undef781, undef796, undef797, undef844, undef945, undef965, undef968, undef973, undef976, undef980, undef982, undef991, undef992, undef993, undef994, undef996, undef999, undef1001, undef1002, undef1009, undef1019, undef1030, undef1031, undef1037, undef1040, undef1041, undef1044, undef1048, undef1052, undef1067, undef1068, undef1069, undef1070, undef1071, undef1075, undef1077, undef1170, undef1270, undef1273, undef1277, undef1279, undef1280, undef1281, undef1285, undef1287, undef1290, undef1291, undef1296, undef1297, undef1300, undef1301, undef1307, undef1318, undef1320, undef1329, undef1330, undef1336, undef1365, 

Abstraction variables:

Exit nodes:

Accepting locations:

Asserts:

Preprocessed LLVMGraph
Init Location: 0
Transitions:
<l0, l6, (undef1336 = undef1336) /\ (undef1318 = undef1318) /\ (undef1329 = undef1329) /\ (undef1330 = undef1330) /\ (undef1320 = undef1320) /\ (undef1307 = undef1307), par{i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336}>
<l0, l22, (undef1365 = undef1365), par{sz^0 -> undef1365}>
<l0, l12, (undef1365 = undef1365), par{i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365}>
<l4, l6, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef945 = undef945) /\ (((0 + (~(1) * (1 + i_22^0))) + sz_23^0) <= 0) /\ (undef1336 = undef1336) /\ (undef1318 = undef1318) /\ (undef1329 = undef1329) /\ (undef1330 = undef1330) /\ (undef1320 = undef1320) /\ (undef1307 = undef1307), par{i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336}>
<l4, l22, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef945 = undef945) /\ (((0 + (~(1) * (1 + i_22^0))) + sz_23^0) <= 0) /\ (undef1365 = undef1365), par{i_22^0 -> (1 + i_22^0), len_98^0 -> undef945, sz^0 -> undef1365}>
<l4, l12, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef945 = undef945) /\ (((0 + (~(1) * (1 + i_22^0))) + sz_23^0) <= 0) /\ (undef1365 = undef1365), par{i^0 -> 0, i_22^0 -> (1 + i_22^0), len_98^0 -> undef945, lt1^0 -> 0, sz^0 -> undef1365}>
<l4, l4, (0 <= (0 + len_98^0)) /\ (0 <= (0 + (1 + len_98^0))) /\ (undef1001 = undef1001) /\ (0 <= ((~(1) + (~(1) * (1 + i_22^0))) + sz_23^0)) /\ (undef994 = undef994) /\ (undef968 = undef968) /\ (undef976 = undef976) /\ (undef980 = undef980) /\ (undef991 = undef991) /\ (undef992 = undef992) /\ (undef1002 = undef1002) /\ (undef973 = undef973) /\ (undef996 = undef996) /\ (0 <= (0 + undef1002)) /\ (undef982 = undef982) /\ (undef993 = undef993) /\ (undef999 = (0 + undef993)) /\ (undef965 = (0 + undef999)), par{Result_5^0 -> (0 + undef965), i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991}>
<l6, l24, (0 <= (0 + len_98^0)) /\ (undef168 = undef168) /\ (0 <= (0 + undef168)) /\ ((0 + (0 + x_16^0)) <= 0) /\ (0 <= (0 + (0 + x_16^0))), par{len_98^0 -> undef168}>
<l6, l12, (0 <= (0 + len_98^0)) /\ (undef168 = undef168) /\ (0 <= (0 + undef168)) /\ (undef1170 = undef1170) /\ ((1 + (0 + x_16^0)) <= 0) /\ (undef1301 = (0 + y_1094^0)) /\ (undef1300 = (0 + undef1301)) /\ (undef1285 = undef1285) /\ (undef1280 = undef1280) /\ (undef1296 = undef1296) /\ (undef1297 = undef1297) /\ (undef1277 = undef1277) /\ (undef1270 = undef1270) /\ (undef1279 = undef1279) /\ (undef1290 = undef1290) /\ (undef1291 = undef1291) /\ (undef1281 = undef1281) /\ (undef1287 = undef1287) /\ (undef1273 = undef1273), par{i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297}>
<l6, l12, (0 <= (0 + len_98^0)) /\ (undef168 = undef168) /\ (0 <= (0 + undef168)) /\ (undef1170 = undef1170) /\ (1 <= (0 + (0 + x_16^0))) /\ (undef1301 = (0 + y_1094^0)) /\ (undef1300 = (0 + undef1301)) /\ (undef1285 = undef1285) /\ (undef1280 = undef1280) /\ (undef1296 = undef1296) /\ (undef1297 = undef1297) /\ (undef1277 = undef1277) /\ (undef1270 = undef1270) /\ (undef1279 = undef1279) /\ (undef1290 = undef1290) /\ (undef1291 = undef1291) /\ (undef1281 = undef1281) /\ (undef1287 = undef1287) /\ (undef1273 = undef1273), par{i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297}>
<l6, l4, ((0 + lt3^0) <= 0)>
<l6, l6, (1 <= (0 + lt3^0)), par{lt2^0 -> (1 + lt2^0), lt3^0 -> (~(1) + lt3^0)}>
<l12, l18, (0 <= (~(1) + len_98^0)) /\ (undef427 = undef427) /\ (0 <= (~(1) + undef427)) /\ ((1 + (0 + l_11^0)) <= 0), par{len_98^0 -> undef427}>
<l12, l18, (0 <= (~(1) + len_98^0)) /\ (undef427 = undef427) /\ (0 <= (~(1) + undef427)) /\ (1 <= (0 + (0 + l_11^0))), par{len_98^0 -> undef427}>
<l12, l22, (0 <= (~(1) + len_98^0)) /\ (undef427 = undef427) /\ (0 <= (~(1) + undef427)) /\ (undef797 = undef797) /\ ((0 + (0 + l_11^0)) <= 0) /\ (0 <= (0 + (0 + l_11^0))) /\ ((0 + 0) <= 0) /\ (0 <= (0 + 0)) /\ (undef796 = (0 + x_12^0)) /\ (undef781 = (0 + undef796)), par{Result_5^0 -> (0 + undef781), l_11^0 -> undef796, len_98^0 -> undef797}>
<l12, l12, (0 <= (~(1) + len_98^0)) /\ (undef427 = undef427) /\ (0 <= (~(1) + undef427)) /\ (undef797 = undef797) /\ ((0 + (0 + l_11^0)) <= 0) /\ (0 <= (0 + (0 + l_11^0))) /\ ((0 + 0) <= 0) /\ (0 <= (0 + 0)) /\ (undef796 = (0 + x_12^0)) /\ (undef781 = (0 + undef796)), par{Result_5^0 -> (0 + undef781), i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, lt1^0 -> 0}>
<l12, l2, ((0 + sz^0) <= (0 + i^0)) /\ ((1 + (0 + x_16^0)) <= 0)>
<l12, l2, ((0 + sz^0) <= (0 + i^0)) /\ (1 <= (0 + (0 + x_16^0)))>
<l12, l3, ((0 + sz^0) <= (0 + i^0)) /\ ((0 + (0 + x_16^0)) <= 0) /\ (0 <= (0 + (0 + x_16^0))) /\ (undef78 = (0 + 0)) /\ (undef112 = (0 + undef78)) /\ (undef75 = undef75), par{Result_5^0 -> undef75}>
<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:
undef75, undef78, undef112, undef168, undef427, undef781, undef796, undef797, undef844, undef945, undef965, undef968, undef973, undef976, undef980, undef982, undef991, undef992, undef993, undef994, undef996, undef999, undef1001, undef1002, undef1009, undef1019, undef1030, undef1031, undef1037, undef1040, undef1041, undef1044, undef1048, undef1052, undef1067, undef1068, undef1069, undef1070, undef1071, undef1075, undef1077, undef1170, undef1270, undef1273, undef1277, undef1279, undef1280, undef1281, undef1285, undef1287, undef1290, undef1291, undef1296, undef1297, undef1300, undef1301, undef1307, undef1318, undef1320, undef1329, undef1330, undef1336, undef1365, 

Undef variables:
undef75, undef78, undef112, undef168, undef427, undef781, undef796, undef797, undef844, undef945, undef965, undef968, undef973, undef976, undef980, undef982, undef991, undef992, undef993, undef994, undef996, undef999, undef1001, undef1002, undef1009, undef1019, undef1030, undef1031, undef1037, undef1040, undef1041, undef1044, undef1048, undef1052, undef1067, undef1068, undef1069, undef1070, undef1071, undef1075, undef1077, undef1170, undef1270, undef1273, undef1277, undef1279, undef1280, undef1281, undef1285, undef1287, undef1290, undef1291, undef1296, undef1297, undef1300, undef1301, undef1307, undef1318, undef1320, undef1329, undef1330, undef1336, undef1365, 

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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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 <= undef427 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 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:

Precedence: 
Graph 0

Graph 1
<l0, l6, true, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
<l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>

Graph 2
<l12, l3, sz^0 <= i^0 /\ x_16^0 = 0 /\ undef78 = 0 /\ undef78 = undef112, {Result_5^0 -> undef75, rest remain the same}>

Graph 3
<l12, l2, 1 + x_16^0 <= 0 /\ sz^0 <= i^0, {all remain the same}>
<l12, l2, 1 <= x_16^0 /\ sz^0 <= i^0, {all remain the same}>

Graph 4
<l0, l22, true, {sz^0 -> undef1365, 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 -> undef945, sz^0 -> undef1365, rest remain the same}>
<l12, l22, 1 <= len_98^0 /\ 1 <= undef427 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, l_11^0 -> undef796, len_98^0 -> undef797, rest remain the same}>

Graph 5
<l12, l18, 1 + l_11^0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef427, {len_98^0 -> undef427, rest remain the same}>
<l12, l18, 1 <= l_11^0 /\ 1 <= len_98^0 /\ 1 <= undef427, {len_98^0 -> undef427, rest remain the same}>

Graph 6
<l6, l24, 0 <= len_98^0 /\ 0 <= undef168 /\ x_16^0 = 0, {len_98^0 -> undef168, rest remain the same}>

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

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

Proving termination of subgraph 0
Proving termination of subgraph 1
Checking unfeasibility...
Time used: 0.173108

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

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.022365s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.040495s
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: 0.040471s
Time used: 0.037308
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: 0.046332s
Time used: 0.040811
Trying to remove transition: <l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, lt1^0 -> 0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.059307s
Time used: 0.050495
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: 0.043443s
Time used: 0.031394
Trying to remove transition: <l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.076283s
Time used: 0.072053
Trying to remove transition: <l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.071594s
Time used: 0.056913
Trying to remove transition: <l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.065460s
Time used: 0.050647
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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.058021s
Time used: 0.050176
Trying to remove transition: <l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.048977s
Time used: 0.03652
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.774655s
Time used: 0.766355
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.960294s
Time used: 0.960137

LOG: SAT solveNonLinear - Elapsed time: 1.734949s
Cost: 2; Total time: 1.72649
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: 0.023704s
Remaining time after improvement: 0.987689
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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, 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 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, 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, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l4, 1 + len_98^0 <= 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, 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 <= undef427 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, 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 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, 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, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l4, 1 + len_98^0 <= 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, 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 <= undef427 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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: 0.002307s
Ranking function: -1 + lt3^0
New Graphs: 
Calling Safety with literal 1 + len_98^0 <= 0 and entry <l0, l6, true, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>

LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 1
* Exit transition: <l0, l6, true, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
* Postcondition  : 1 + len_98^0 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001768s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.001854s
Calling Safety with literal 1 <= 0 and entry <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, 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 -> undef1365, rest remain the same}>
* Postcondition  : 1 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.001715s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.001777s
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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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 <= undef427 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 + i^0 <= sz^0 /\ 0 <= 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, 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: 0.007421s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.042984s
Trying to remove transition: <l12, l12, 1 + i^0 <= sz^0 /\ 0 <= 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: 0.048442s
Time used: 0.044288
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: 0.059214s
Time used: 0.052011
Trying to remove transition: <l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, lt1^0 -> 0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.069566s
Time used: 0.059098
Trying to remove transition: <l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {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: 0.055386s
Time used: 0.042006
Trying to remove transition: <l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.074527s
Time used: 0.067357
Trying to remove transition: <l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.078496s
Time used: 0.061827
Trying to remove transition: <l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.063544s
Time used: 0.047035
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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.062392s
Time used: 0.052973
Trying to remove transition: <l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.052971s
Time used: 0.038951
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.982556s
Time used: 0.974028
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.886426s
Time used: 0.886275

LOG: SAT solveNonLinear - Elapsed time: 1.868981s
Cost: 2; Total time: 1.8603
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 + len_98^0 <= 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: 0.026638s
Remaining time after improvement: 0.985831
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 + 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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, 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 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, 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, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= lt3^0 /\ 0 <= len_98^0, {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 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 + len_98^0 <= 0 /\ 0 <= 0 /\ 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
Strengthening transition (result): 
<l12, l12, 1 + i^0 <= sz^0 /\ 1 + len_98^0 <= 0 /\ 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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, 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 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, 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, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= lt3^0 /\ 0 <= len_98^0, {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 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 + len_98^0 <= 0 /\ 0 <= 0 /\ 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
Strengthening transition (result): 
<l12, l12, 1 + i^0 <= sz^0 /\ 1 + len_98^0 <= 0 /\ 0 <= 0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
New Graphs: 
Transitions:
<l12, l12, 1 + i^0 <= sz^0 /\ 1 + len_98^0 <= 0 /\ 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: 0.002758s
Ranking function: -1 - i^0 + sz^0
New Graphs: 
Calling Safety with literal 1 + len_98^0 <= 0 and entry <l0, l6, 0 <= undef1320, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>

LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 3
* Exit transition: <l0, l6, 0 <= undef1320, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
* Postcondition  : 1 + len_98^0 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002089s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.002171s
Calling Safety with literal 1 + len_98^0 <= 0 and entry <l0, l12, 0 <= 0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, 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 -> undef1365, rest remain the same}>
* Postcondition  : 1 + len_98^0 <= 0

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.002071s
> Postcondition is not implied!

LOG: RETURN check - Elapsed time: 0.002145s
INVARIANTS: 
4: 
6: 
12: 
Quasi-INVARIANTS to narrow Graph: 
4: 1 + len_98^0 <= 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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>

LOG: Narrow transition size 1
Narrowing transition: 
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, 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, 1 <= lt3^0 /\ 0 <= len_98^0, {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 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 + i^0 <= sz^0 /\ 0 <= 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 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 + i^0 <= sz^0 /\ 0 <= 0 /\ 0 <= len_98^0, {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, 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: 0.007976s

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.048171s
Trying to remove transition: <l12, l12, 1 + i^0 <= sz^0 /\ 0 <= 0 /\ 0 <= len_98^0, {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: 0.069905s
Time used: 0.063564
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: 0.072293s
Time used: 0.063443
Trying to remove transition: <l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, lt1^0 -> 0, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.072123s
Time used: 0.057772
Trying to remove transition: <l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {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: 0.058153s
Time used: 0.043729
Trying to remove transition: <l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.077163s
Time used: 0.069865
Trying to remove transition: <l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.083442s
Time used: 0.065812
Trying to remove transition: <l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.061594s
Time used: 0.04376
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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.067232s
Time used: 0.057636
Trying to remove transition: <l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.055875s
Time used: 0.041497
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.514485s
Time used: 1.50713
Solving with 2 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006727s
Time used: 4.00036
Solving with 3 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.023514s
Time used: 1.00004
Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.339127s
Time used: 0.306149

Proving non-termination of subgraph 1
Transitions:
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
<l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 + i^0 <= sz^0 /\ 0 <= 0 /\ 0 <= len_98^0, {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, 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: 0.015660s
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 /\ 0 <= x_16^0, {all remain the same}>
<l6, end, 1 + len_98^0 <= 0 /\ 1 + x_16^0 <= 0, {all remain the same}>
<l12, end, 1 <= l_11^0 /\ 1 + len_98^0 <= 0, {all remain the same}>
<l12, end, 1 + len_98^0 <= 0 /\ l_11^0 <= 0, {all remain the same}>

Solving with 1 template(s).

LOG: CALL solveNonLinearGetFirstSolution

LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.879753s
Time used: 1.87561
Improving Solution with cost 2 ...

LOG: CALL solveNonLinearGetNextSolution

LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.609045s
Time used: 0.608956

LOG: SAT solveNonLinear - Elapsed time: 2.488798s
Cost: 2; Total time: 2.48456
Failed at location 6: 1 <= len_98^0
Failed at location 12: 1 <= len_98^0
Before Improving: 
Quasi-invariant at l4: 1 <= len_98^0
Quasi-invariant at l6: 1 <= len_98^0
Quasi-invariant at l12: 1 <= len_98^0
Optimizing invariants...

LOG: CALL solveLinear

LOG: RETURN solveLinear - Elapsed time: 0.065756s
Remaining time after improvement: 0.978206
Minimizing number of undef constraints...

LOG: CALL solveNonLinear

LOG: RETURN solveNonLinear - Elapsed time: 0.054169s
Number of undef constraints reduced!

Non-termination implied by a set of quasi-invariant(s):
Quasi-invariant at l4: 1 <= len_98^0
Quasi-invariant at l6: 1 <= len_98^0
Quasi-invariant at l12: 1 <= len_98^0
Constraint over undef '1 + len_98^0 <= undef1320' in transition:
<l4, l6, 0 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
Constraint over undef '1 + len_98^0 <= undef945' in 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 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
Constraint over undef '1 <= undef982' in transition:
<l4, l4, 0 <= len_98^0 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>
Constraint over undef 'len_98^0 <= undef1281' in transition:
<l6, l12, 1 + x_16^0 <= 0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Constraint over undef '1 <= undef1281' in transition:
<l6, l12, 1 <= x_16^0 /\ 0 <= len_98^0 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>
Constraint over undef '1 <= undef797' in transition:
<l12, l12, 1 <= len_98^0 /\ 1 <= undef427 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, lt1^0 -> 0, rest remain the same}>

Strengthening and disabling EXIT transitions...
Closed exits from l4: 1
Closed exits from l6: 2
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, 1 + len_98^0 <= undef1320 /\ 1 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l4, l12, 1 + len_98^0 <= undef945 /\ 1 <= len_98^0 /\ sz_23^0 <= 1 + i_22^0, {i^0 -> 0, i_22^0 -> 1 + i_22^0, len_98^0 -> undef945, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l4, l4, 1 <= len_98^0 /\ 1 <= undef982 /\ 0 <= undef1002 /\ 2 + i_22^0 <= sz_23^0 /\ undef965 = undef999 /\ undef993 = undef999, {Result_5^0 -> undef965, i_22^0 -> undef980, len_98^0 -> undef982, sz_23^0 -> undef991, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l12, 1 <= len_98^0 /\ 1 + x_16^0 <= 0 /\ len_98^0 <= undef1281 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l12, 1 <= len_98^0 /\ 1 <= x_16^0 /\ 1 <= undef1281 /\ 0 <= undef168 /\ y_1094^0 = undef1301 /\ undef1300 = undef1301, {i_22^0 -> undef1279, l_11^0 -> undef1280, len_98^0 -> undef1281, sz_23^0 -> undef1290, x_12^0 -> undef1296, x_16^0 -> undef1297, rest remain the same}>

LOG: CALL solverLinear in Graph for feasibility

LOG: RETURN solveLinear in Graph for feasibility
Strengthening transition (result): 
<l6, l4, 1 <= 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, 1 <= 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, 1 <= len_98^0 /\ 1 <= undef427 /\ 1 <= undef797 /\ 0 <= 0 /\ l_11^0 = 0 /\ x_12^0 = undef796 /\ undef781 = undef796, {Result_5^0 -> undef781, i^0 -> 0, l_11^0 -> undef796, len_98^0 -> undef797, 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, 1 <= len_98^0 /\ 0 <= 0 /\ 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
Strengthening transition (result): 
<l12, l12, 1 + i^0 <= sz^0 /\ 1 <= len_98^0 /\ 0 <= 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: 1 <= len_98^0, 
Transition: <l12, end, true, {all remain the same}>
Conditions: 1 <= len_98^0, 
OPEN EXITS: 
<l6, end, 1 <= len_98^0, {all remain the same}>
<l12, end, 1 <= len_98^0, {all remain the same}>

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

Calling reachability with...
Transition: <l0, l6, true, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
Conditions: 1 <= len_98^0, 
Transition: <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
Conditions: 1 <= len_98^0, 
OPEN EXITS: 
<l0, l6, 1 <= undef1320, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
<l0, l12, 1 <= len_98^0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>

> Conditions are reachable!

Program does NOT terminate