16.16/16.21	NO
16.16/16.21	
16.16/16.21	Solver Timeout: 4
16.16/16.21	Global Timeout: 300
16.16/16.21	No parsing errors!
16.16/16.21	Init Location: 0
16.16/16.21	Transitions:
16.16/16.21	<l0, l27, true>
16.16/16.21	<l1, l2, ((1 + h_17^0) <= 0)>
16.16/16.21	<l1, l2, (1 <= (0 + h_17^0))>
16.16/16.21	<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}>
16.16/16.21	<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)}>
16.16/16.21	<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}>
16.16/16.21	<l6, l4, ((0 + lt3^0) <= 0)>
16.16/16.21	<l6, l8, (1 <= (0 + lt3^0)), par{lt2^0 -> (1 + lt2^0), lt3^0 -> (~(1) + lt3^0)}>
16.16/16.21	<l8, l6, true>
16.16/16.21	<l9, l1, true, par{h_17^0 -> (0 + x_16^0), ret_18^0 -> 0}>
16.16/16.21	<l9, l6, true, par{lt2^0 -> 0, lt3^0 -> (0 + lt1^0)}>
16.16/16.21	<l10, l11, true>
16.16/16.21	<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}>
16.16/16.21	<l12, l9, ((0 + sz^0) <= (0 + i^0))>
16.16/16.21	<l12, l14, ((1 + i^0) <= (0 + sz^0)), par{i^0 -> (1 + i^0), lt1^0 -> (1 + lt1^0)}>
16.16/16.21	<l14, l12, true>
16.16/16.21	<l13, l15, (0 <= (~(1) + len_98^0)) /\ ((0 + elem_13^0) <= 0) /\ (0 <= (0 + elem_13^0))>
16.16/16.21	<l15, l16, ((1 + prev_14^0) <= 0)>
16.16/16.21	<l15, l16, (1 <= (0 + prev_14^0))>
16.16/16.21	<l13, l17, (0 <= (~(1) + len_98^0))>
16.16/16.21	<l17, l18, ((1 + elem_13^0) <= 0)>
16.16/16.21	<l17, l18, (1 <= (0 + elem_13^0))>
16.16/16.21	<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}>
16.16/16.21	<l20, l21, (undef844 = undef844), par{buffer_21^0 -> 0, i_22^0 -> 0, sz_23^0 -> (0 + undef844), tmp_24^0 -> undef844}>
16.16/16.21	<l19, l22, true, par{ret_18^0 -> (0 + Result_5^0)}>
16.16/16.21	<l19, l12, true, par{i^0 -> 0, lt1^0 -> 0}>
16.16/16.21	<l5, l11, (0 <= (0 + len_98^0)) /\ (undef945 = undef945) /\ (((0 + (~(1) * i_22^0)) + sz_23^0) <= 0), par{len_98^0 -> undef945}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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)}>
16.16/16.21	<l7, l24, (0 <= (0 + len_98^0)) /\ ((0 + h_17^0) <= 0) /\ (0 <= (0 + h_17^0))>
16.16/16.21	<l7, l25, (0 <= (0 + len_98^0)) /\ (undef1170 = undef1170), par{len_98^0 -> undef1170}>
16.16/16.21	<l25, l26, ((1 + h_17^0) <= 0)>
16.16/16.21	<l25, l26, (1 <= (0 + h_17^0))>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l11, l19, (undef1365 = undef1365), par{sz^0 -> undef1365}>
16.16/16.21	<l27, l10, true>
16.16/16.21	
16.16/16.21	Fresh variables:
16.16/16.21	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, 
16.16/16.21	
16.16/16.21	Undef variables:
16.16/16.21	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, 
16.16/16.21	
16.16/16.21	Abstraction variables:
16.16/16.21	
16.16/16.21	Exit nodes:
16.16/16.21	
16.16/16.21	Accepting locations:
16.16/16.21	
16.16/16.21	Asserts:
16.16/16.21	
16.16/16.21	Preprocessed LLVMGraph
16.16/16.21	Init Location: 0
16.16/16.21	Transitions:
16.16/16.21	<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}>
16.16/16.21	<l0, l22, (undef1365 = undef1365), par{sz^0 -> undef1365}>
16.16/16.21	<l0, l12, (undef1365 = undef1365), par{i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l6, l4, ((0 + lt3^0) <= 0)>
16.16/16.21	<l6, l6, (1 <= (0 + lt3^0)), par{lt2^0 -> (1 + lt2^0), lt3^0 -> (~(1) + lt3^0)}>
16.16/16.21	<l12, l18, (0 <= (~(1) + len_98^0)) /\ (undef427 = undef427) /\ (0 <= (~(1) + undef427)) /\ ((1 + (0 + l_11^0)) <= 0), par{len_98^0 -> undef427}>
16.16/16.21	<l12, l18, (0 <= (~(1) + len_98^0)) /\ (undef427 = undef427) /\ (0 <= (~(1) + undef427)) /\ (1 <= (0 + (0 + l_11^0))), par{len_98^0 -> undef427}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l12, l2, ((0 + sz^0) <= (0 + i^0)) /\ ((1 + (0 + x_16^0)) <= 0)>
16.16/16.21	<l12, l2, ((0 + sz^0) <= (0 + i^0)) /\ (1 <= (0 + (0 + x_16^0)))>
16.16/16.21	<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}>
16.16/16.21	<l12, l6, ((0 + sz^0) <= (0 + i^0)), par{lt2^0 -> 0, lt3^0 -> (0 + lt1^0)}>
16.16/16.21	<l12, l12, ((1 + i^0) <= (0 + sz^0)), par{i^0 -> (1 + i^0), lt1^0 -> (1 + lt1^0)}>
16.16/16.21	
16.16/16.21	Fresh variables:
16.16/16.21	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, 
16.16/16.21	
16.16/16.21	Undef variables:
16.16/16.21	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, 
16.16/16.21	
16.16/16.21	Abstraction variables:
16.16/16.21	
16.16/16.21	Exit nodes:
16.16/16.21	
16.16/16.21	Accepting locations:
16.16/16.21	
16.16/16.21	Asserts:
16.16/16.21	
16.16/16.21	*************************************************************
16.16/16.21	*******************************************************************************************
16.16/16.21	***********************       WORKING TRANSITION SYSTEM (DAG)       ***********************
16.16/16.21	*******************************************************************************************
16.16/16.21	
16.16/16.21	Init Location: 0
16.16/16.21	Graph 0:
16.16/16.21	Transitions:
16.16/16.21	Variables:
16.16/16.21	
16.16/16.21	Graph 1:
16.16/16.21	Transitions:
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l6, l4, lt3^0 <= 0, {all remain the same}>
16.16/16.21	<l6, l6, 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
16.16/16.21	Variables:
16.16/16.21	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
16.16/16.21	
16.16/16.21	Graph 2:
16.16/16.21	Transitions:
16.16/16.21	Variables:
16.16/16.21	
16.16/16.21	Graph 3:
16.16/16.21	Transitions:
16.16/16.21	Variables:
16.16/16.21	
16.16/16.21	Graph 4:
16.16/16.21	Transitions:
16.16/16.21	Variables:
16.16/16.21	
16.16/16.21	Graph 5:
16.16/16.21	Transitions:
16.16/16.21	Variables:
16.16/16.21	
16.16/16.21	Graph 6:
16.16/16.21	Transitions:
16.16/16.21	Variables:
16.16/16.21	
16.16/16.21	Precedence: 
16.16/16.21	Graph 0
16.16/16.21	
16.16/16.21	Graph 1
16.16/16.21	<l0, l6, true, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
16.16/16.21	<l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
16.16/16.21	
16.16/16.21	Graph 2
16.16/16.21	<l12, l3, sz^0 <= i^0 /\ x_16^0 = 0 /\ undef78 = 0 /\ undef78 = undef112, {Result_5^0 -> undef75, rest remain the same}>
16.16/16.21	
16.16/16.21	Graph 3
16.16/16.21	<l12, l2, 1 + x_16^0 <= 0 /\ sz^0 <= i^0, {all remain the same}>
16.16/16.21	<l12, l2, 1 <= x_16^0 /\ sz^0 <= i^0, {all remain the same}>
16.16/16.21	
16.16/16.21	Graph 4
16.16/16.21	<l0, l22, true, {sz^0 -> undef1365, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	Graph 5
16.16/16.21	<l12, l18, 1 + l_11^0 <= 0 /\ 1 <= len_98^0 /\ 1 <= undef427, {len_98^0 -> undef427, rest remain the same}>
16.16/16.21	<l12, l18, 1 <= l_11^0 /\ 1 <= len_98^0 /\ 1 <= undef427, {len_98^0 -> undef427, rest remain the same}>
16.16/16.21	
16.16/16.21	Graph 6
16.16/16.21	<l6, l24, 0 <= len_98^0 /\ 0 <= undef168 /\ x_16^0 = 0, {len_98^0 -> undef168, rest remain the same}>
16.16/16.21	
16.16/16.21	Map Locations to Subgraph:
16.16/16.21	( 0 , 0 )
16.16/16.21	( 2 , 3 )
16.16/16.21	( 3 , 2 )
16.16/16.21	( 4 , 1 )
16.16/16.21	( 6 , 1 )
16.16/16.21	( 12 , 1 )
16.16/16.21	( 18 , 5 )
16.16/16.21	( 22 , 4 )
16.16/16.21	( 24 , 6 )
16.16/16.21	
16.16/16.21	*******************************************************************************************
16.16/16.21	********************************    CHECKING ASSERTIONS    ********************************
16.16/16.21	*******************************************************************************************
16.16/16.21	
16.16/16.21	Proving termination of subgraph 0
16.16/16.21	Proving termination of subgraph 1
16.16/16.21	Checking unfeasibility...
16.16/16.21	Time used: 0.173623
16.16/16.21	
16.16/16.21	Checking conditional termination of SCC {l4, l6, l12}...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.022291s
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.040515s
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.040495s
16.16/16.21	Time used: 0.037018
16.16/16.21	Trying to remove transition: <l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.046425s
16.16/16.21	Time used: 0.040956
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.059042s
16.16/16.21	Time used: 0.050273
16.16/16.21	Trying to remove transition: <l6, l6, 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.043137s
16.16/16.21	Time used: 0.031371
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.075952s
16.16/16.21	Time used: 0.0716
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.071288s
16.16/16.21	Time used: 0.056658
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.065366s
16.16/16.21	Time used: 0.05074
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.057728s
16.16/16.21	Time used: 0.049684
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.048838s
16.16/16.21	Time used: 0.036467
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.774953s
16.16/16.21	Time used: 0.766089
16.16/16.21	Improving Solution with cost 2 ...
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetNextSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.969382s
16.16/16.21	Time used: 0.969253
16.16/16.21	
16.16/16.21	LOG: SAT solveNonLinear - Elapsed time: 1.744335s
16.16/16.21	Cost: 2; Total time: 1.73534
16.16/16.21	Failed at location 6: 1 + len_98^0 <= 0
16.16/16.21	Failed at location 12: 1 <= 0
16.16/16.21	Before Improving: 
16.16/16.21	Quasi-invariant at l4: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l6: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l12: 1 <= 0
16.16/16.21	Optimizing invariants...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.024241s
16.16/16.21	Remaining time after improvement: 0.987338
16.16/16.21	Termination implied by a set of quasi-invariant(s):
16.16/16.21	Quasi-invariant at l4: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l6: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l12: 1 <= 0
16.16/16.21	[ Invariant Graph ]
16.16/16.21	Strengthening and disabling transitions...
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<l6, l4, 1 + len_98^0 <= 0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<l6, l6, 1 + len_98^0 <= 0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
16.16/16.21	[ Termination Graph ]
16.16/16.21	Strengthening and disabling transitions...
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<l6, l4, 1 + len_98^0 <= 0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<l6, l6, 1 + len_98^0 <= 0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
16.16/16.21	New Graphs: 
16.16/16.21	Transitions:
16.16/16.21	<l6, l6, 1 + len_98^0 <= 0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	Variables:
16.16/16.21	len_98^0, lt2^0, lt3^0
16.16/16.21	Checking conditional termination of SCC {l6}...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.002306s
16.16/16.21	Ranking function: -1 + lt3^0
16.16/16.21	New Graphs: 
16.16/16.21	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}>
16.16/16.21	
16.16/16.21	LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 1
16.16/16.21	* 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}>
16.16/16.21	* Postcondition  : 1 + len_98^0 <= 0
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.001768s
16.16/16.21	> Postcondition is not implied!
16.16/16.21	
16.16/16.21	LOG: RETURN check - Elapsed time: 0.001854s
16.16/16.21	Calling Safety with literal 1 <= 0 and entry <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL check - Post:1 <= 0 - Process 2
16.16/16.21	* Exit transition: <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
16.16/16.21	* Postcondition  : 1 <= 0
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.001714s
16.16/16.21	> Postcondition is not implied!
16.16/16.21	
16.16/16.21	LOG: RETURN check - Elapsed time: 0.001775s
16.16/16.21	INVARIANTS: 
16.16/16.21	4: 
16.16/16.21	6: 
16.16/16.21	12: 
16.16/16.21	Quasi-INVARIANTS to narrow Graph: 
16.16/16.21	4: 1 + len_98^0 <= 0 , 
16.16/16.21	6: 1 + len_98^0 <= 0 , 
16.16/16.21	12: 1 <= 0 , 
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l6, l4, lt3^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l6, l6, 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l12, l6, sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l12, l12, 1 + i^0 <= sz^0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	invGraph after Narrowing: 
16.16/16.21	Transitions:
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	<l12, l6, 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	<l12, l12, 1 + i^0 <= sz^0 /\ 0 <= 0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
16.16/16.21	Variables:
16.16/16.21	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
16.16/16.21	Checking conditional termination of SCC {l4, l6, l12}...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.007220s
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.042940s
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.048642s
16.16/16.21	Time used: 0.044474
16.16/16.21	Trying to remove transition: <l12, l6, 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.059195s
16.16/16.21	Time used: 0.052011
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.069354s
16.16/16.21	Time used: 0.058933
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.055233s
16.16/16.21	Time used: 0.041914
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.074543s
16.16/16.21	Time used: 0.067375
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.078500s
16.16/16.21	Time used: 0.061805
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.063368s
16.16/16.21	Time used: 0.04686
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.062717s
16.16/16.21	Time used: 0.053293
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.052998s
16.16/16.21	Time used: 0.038965
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.994221s
16.16/16.21	Time used: 0.985787
16.16/16.21	Improving Solution with cost 2 ...
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetNextSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.894230s
16.16/16.21	Time used: 0.894102
16.16/16.21	
16.16/16.21	LOG: SAT solveNonLinear - Elapsed time: 1.888452s
16.16/16.21	Cost: 2; Total time: 1.87989
16.16/16.21	Failed at location 6: 1 + len_98^0 <= 0
16.16/16.21	Failed at location 12: 1 + len_98^0 <= 0
16.16/16.21	Before Improving: 
16.16/16.21	Quasi-invariant at l4: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l6: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l12: 1 + len_98^0 <= 0
16.16/16.21	Optimizing invariants...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.025769s
16.16/16.21	Remaining time after improvement: 0.986607
16.16/16.21	Termination implied by a set of quasi-invariant(s):
16.16/16.21	Quasi-invariant at l4: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l6: 1 + len_98^0 <= 0
16.16/16.21	Quasi-invariant at l12: 1 + len_98^0 <= 0
16.16/16.21	[ Invariant Graph ]
16.16/16.21	Strengthening and disabling transitions...
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<l12, l6, 1 + len_98^0 <= 0 /\ 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<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}>
16.16/16.21	[ Termination Graph ]
16.16/16.21	Strengthening and disabling transitions...
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	It's unfeasible. Removing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<l12, l6, 1 + len_98^0 <= 0 /\ 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: CALL solverLinear in Graph for feasibility
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.21	Strengthening transition (result): 
16.16/16.21	<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}>
16.16/16.21	New Graphs: 
16.16/16.21	Transitions:
16.16/16.21	<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}>
16.16/16.21	Variables:
16.16/16.21	i^0, len_98^0, lt1^0, sz^0
16.16/16.21	Checking conditional termination of SCC {l12}...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.002756s
16.16/16.21	Ranking function: -1 - i^0 + sz^0
16.16/16.21	New Graphs: 
16.16/16.21	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}>
16.16/16.21	
16.16/16.21	LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 3
16.16/16.21	* 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}>
16.16/16.21	* Postcondition  : 1 + len_98^0 <= 0
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.002077s
16.16/16.21	> Postcondition is not implied!
16.16/16.21	
16.16/16.21	LOG: RETURN check - Elapsed time: 0.002159s
16.16/16.21	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}>
16.16/16.21	
16.16/16.21	LOG: CALL check - Post:1 + len_98^0 <= 0 - Process 4
16.16/16.21	* Exit transition: <l0, l12, 0 <= 0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
16.16/16.21	* Postcondition  : 1 + len_98^0 <= 0
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.002079s
16.16/16.21	> Postcondition is not implied!
16.16/16.21	
16.16/16.21	LOG: RETURN check - Elapsed time: 0.002154s
16.16/16.21	INVARIANTS: 
16.16/16.21	4: 
16.16/16.21	6: 
16.16/16.21	12: 
16.16/16.21	Quasi-INVARIANTS to narrow Graph: 
16.16/16.21	4: 1 + len_98^0 <= 0 , 
16.16/16.21	6: 1 + len_98^0 <= 0 , 
16.16/16.21	12: 1 + len_98^0 <= 0 , 
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<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}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l12, l6, 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	Narrowing transition: 
16.16/16.21	<l12, l12, 1 + i^0 <= sz^0 /\ 0 <= 0, {i^0 -> 1 + i^0, lt1^0 -> 1 + lt1^0, rest remain the same}>
16.16/16.21	
16.16/16.21	LOG: Narrow transition size 1
16.16/16.21	invGraph after Narrowing: 
16.16/16.21	Transitions:
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 0 <= len_98^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	Variables:
16.16/16.21	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
16.16/16.21	Checking conditional termination of SCC {l4, l6, l12}...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.007934s
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.047862s
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.070299s
16.16/16.21	Time used: 0.063674
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.072122s
16.16/16.21	Time used: 0.062728
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.072189s
16.16/16.21	Time used: 0.057849
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.058301s
16.16/16.21	Time used: 0.043869
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.076892s
16.16/16.21	Time used: 0.069542
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.081772s
16.16/16.21	Time used: 0.064357
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.061388s
16.16/16.21	Time used: 0.043843
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.066881s
16.16/16.21	Time used: 0.057318
16.16/16.21	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}>
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.055912s
16.16/16.21	Time used: 0.041587
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.524918s
16.16/16.21	Time used: 1.5176
16.16/16.21	Solving with 2 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 4.006165s
16.16/16.21	Time used: 4.00003
16.16/16.21	Solving with 3 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.028600s
16.16/16.21	Time used: 1.00013
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 0.337571s
16.16/16.21	Time used: 0.304982
16.16/16.21	
16.16/16.21	Proving non-termination of subgraph 1
16.16/16.21	Transitions:
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<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}>
16.16/16.21	<l6, l4, 0 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.21	<l6, l6, 1 <= lt3^0 /\ 0 <= len_98^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	<l12, l6, 0 <= 0 /\ sz^0 <= i^0 /\ 0 <= len_98^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.21	<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}>
16.16/16.21	Variables:
16.16/16.21	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
16.16/16.21	
16.16/16.21	Checking that every undef value has an assignment...
16.16/16.21	
16.16/16.21	LOG: CALL solveLinear
16.16/16.21	
16.16/16.21	LOG: RETURN solveLinear - Elapsed time: 0.016161s
16.16/16.21	Checking conditional non-termination of SCC {l4, l6, l12}...
16.16/16.21	EXIT TRANSITIONS:
16.16/16.21	<l4, end, 1 + len_98^0 <= 0, {all remain the same}>
16.16/16.21	<l6, end, 1 + len_98^0 <= 0 /\ 0 <= x_16^0, {all remain the same}>
16.16/16.21	<l6, end, 1 + len_98^0 <= 0 /\ 1 + x_16^0 <= 0, {all remain the same}>
16.16/16.21	<l12, end, 1 <= l_11^0 /\ 1 + len_98^0 <= 0, {all remain the same}>
16.16/16.21	<l12, end, 1 + len_98^0 <= 0 /\ l_11^0 <= 0, {all remain the same}>
16.16/16.21	
16.16/16.21	Solving with 1 template(s).
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetFirstSolution
16.16/16.21	
16.16/16.21	LOG: RETURN solveNonLinearGetFirstSolution - Elapsed time: 1.897709s
16.16/16.21	Time used: 1.89367
16.16/16.21	Improving Solution with cost 2 ...
16.16/16.21	
16.16/16.21	LOG: CALL solveNonLinearGetNextSolution
16.16/16.22	
16.16/16.22	LOG: RETURN solveNonLinearGetNextSolution - Elapsed time: 0.595709s
16.16/16.22	Time used: 0.595638
16.16/16.22	
16.16/16.22	LOG: SAT solveNonLinear - Elapsed time: 2.493418s
16.16/16.22	Cost: 2; Total time: 2.48931
16.16/16.22	Failed at location 6: 1 <= len_98^0
16.16/16.22	Failed at location 12: 1 <= len_98^0
16.16/16.22	Before Improving: 
16.16/16.22	Quasi-invariant at l4: 1 <= len_98^0
16.16/16.22	Quasi-invariant at l6: 1 <= len_98^0
16.16/16.22	Quasi-invariant at l12: 1 <= len_98^0
16.16/16.22	Optimizing invariants...
16.16/16.22	
16.16/16.22	LOG: CALL solveLinear
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear - Elapsed time: 0.065988s
16.16/16.22	Remaining time after improvement: 0.978241
16.16/16.22	Minimizing number of undef constraints...
16.16/16.22	
16.16/16.22	LOG: CALL solveNonLinear
16.16/16.22	
16.16/16.22	LOG: RETURN solveNonLinear - Elapsed time: 0.053841s
16.16/16.22	Number of undef constraints reduced!
16.16/16.22	
16.16/16.22	Non-termination implied by a set of quasi-invariant(s):
16.16/16.22	Quasi-invariant at l4: 1 <= len_98^0
16.16/16.22	Quasi-invariant at l6: 1 <= len_98^0
16.16/16.22	Quasi-invariant at l12: 1 <= len_98^0
16.16/16.22	Constraint over undef '1 + len_98^0 <= undef1320' in transition:
16.16/16.22	<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}>
16.16/16.22	Constraint over undef '1 + len_98^0 <= undef945' in transition:
16.16/16.22	<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}>
16.16/16.22	Constraint over undef '1 <= undef982' in transition:
16.16/16.22	<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}>
16.16/16.22	Constraint over undef 'len_98^0 <= undef1281' in transition:
16.16/16.22	<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}>
16.16/16.22	Constraint over undef '1 <= undef1281' in transition:
16.16/16.22	<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}>
16.16/16.22	Constraint over undef '1 <= undef797' in transition:
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	Strengthening and disabling EXIT transitions...
16.16/16.22	Closed exits from l4: 1
16.16/16.22	Closed exits from l6: 2
16.16/16.22	Closed exits from l12: 2
16.16/16.22	
16.16/16.22	Strengthening and disabling transitions...
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<l6, l4, 1 <= len_98^0 /\ lt3^0 <= 0, {all remain the same}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<l6, l6, 1 <= len_98^0 /\ 1 <= lt3^0, {lt2^0 -> 1 + lt2^0, lt3^0 -> -1 + lt3^0, rest remain the same}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<l12, l6, 1 <= len_98^0 /\ 0 <= 0 /\ sz^0 <= i^0, {lt2^0 -> 0, lt3^0 -> lt1^0, rest remain the same}>
16.16/16.22	
16.16/16.22	LOG: CALL solverLinear in Graph for feasibility
16.16/16.22	
16.16/16.22	LOG: RETURN solveLinear in Graph for feasibility
16.16/16.22	Strengthening transition (result): 
16.16/16.22	<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}>
16.16/16.22	
16.16/16.22	Calling reachability with...
16.16/16.22	Transition: <l6, end, true, {all remain the same}>
16.16/16.22	Conditions: 1 <= len_98^0, 
16.16/16.22	Transition: <l12, end, true, {all remain the same}>
16.16/16.22	Conditions: 1 <= len_98^0, 
16.16/16.22	OPEN EXITS: 
16.16/16.22	<l6, end, 1 <= len_98^0, {all remain the same}>
16.16/16.22	<l12, end, 1 <= len_98^0, {all remain the same}>
16.16/16.22	
16.16/16.22	--- Reachability graph ---
16.16/16.22	> Graph without transitions.
16.16/16.22	
16.16/16.22	Calling reachability with...
16.16/16.22	Transition: <l0, l6, true, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
16.16/16.22	Conditions: 1 <= len_98^0, 
16.16/16.22	Transition: <l0, l12, true, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
16.16/16.22	Conditions: 1 <= len_98^0, 
16.16/16.22	OPEN EXITS: 
16.16/16.22	<l0, l6, 1 <= undef1320, {i_22^0 -> undef1318, len_98^0 -> undef1320, sz_23^0 -> undef1329, x_16^0 -> undef1336, rest remain the same}>
16.16/16.22	<l0, l12, 1 <= len_98^0, {i^0 -> 0, lt1^0 -> 0, sz^0 -> undef1365, rest remain the same}>
16.16/16.22	
16.16/16.22	> Conditions are reachable!
16.16/16.22	
16.16/16.22	Program does NOT terminate
16.16/16.22	/export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 26: delete: command not found
16.16/16.22	/export/starexec/sandbox/solver/bin/starexec_run_termcomp2019_ITS: line 27: edit: command not found
16.16/16.22	EOF