// This file is part of the SV-Benchmarks collection of verification tasks: // https://gitlab.com/sosy-lab/benchmarking/sv-benchmarks // // SPDX-FileCopyrightText: 2020 Aman Goel // SPDX-FileCopyrightText: 2022 The SV-Benchmarks Community // // SPDX-License-Identifier: GPL-3.0-or-later // This C program is converted from Btor2 by Btor2C version sha1:a0fa249 // with arguments: { architecture=64, lazy_modulo=true, use_memmove=false, unroll_inner_loops=false, shortest_type=true, diff_type=true, decimal_constant=true, zero_init=false, sra_extend_sign=true } // Comments from the original Btor2 file: // ; source: https://github.com/aman-goel/avr/tree/92362931700b66684418a991d018c9fbdbebc06f/tests // ; BTOR description generated by Yosys 0.9+431 (git sha1 4a3b5437, clang 4.0.1-6 -fPIC -Os) for module main. extern unsigned char __VERIFIER_nondet_uchar(); extern unsigned short __VERIFIER_nondet_ushort(); extern unsigned int __VERIFIER_nondet_uint(); extern unsigned long __VERIFIER_nondet_ulong(); extern void abort(void); extern void __assert_fail(const char *, const char *, unsigned int, const char *); void reach_error() { __assert_fail("0", "h_Spinner.c", 0, "reach_error"); } void __VERIFIER_assert(int cond) { if (!(cond)) { ERROR: { reach_error(); abort(); } } } void assume_abort_if_not(int cond) { if (!cond) { abort(); } } int main() { // Defining sorts ... typedef unsigned char SORT_1; // BV with 5 bits const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); typedef unsigned char SORT_3; // BV with 1 bits const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); typedef unsigned int SORT_5; // BV with 32 bits const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); typedef unsigned int SORT_47; // BV with 31 bits const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 31); const SORT_47 msb_SORT_47 = (SORT_47)1 << (31 - 1); typedef unsigned int SORT_57; // BV with 30 bits const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 30); const SORT_57 msb_SORT_57 = (SORT_57)1 << (30 - 1); typedef unsigned int SORT_59; // BV with 29 bits const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 29); const SORT_59 msb_SORT_59 = (SORT_59)1 << (29 - 1); typedef unsigned char SORT_65; // BV with 2 bits const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 2); const SORT_65 msb_SORT_65 = (SORT_65)1 << (2 - 1); typedef unsigned int SORT_71; // BV with 28 bits const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 28); const SORT_71 msb_SORT_71 = (SORT_71)1 << (28 - 1); typedef unsigned int SORT_73; // BV with 26 bits const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 26); const SORT_73 msb_SORT_73 = (SORT_73)1 << (26 - 1); typedef unsigned char SORT_79; // BV with 4 bits const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 4); const SORT_79 msb_SORT_79 = (SORT_79)1 << (4 - 1); typedef unsigned int SORT_85; // BV with 24 bits const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 24); const SORT_85 msb_SORT_85 = (SORT_85)1 << (24 - 1); typedef unsigned int SORT_87; // BV with 20 bits const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 20); const SORT_87 msb_SORT_87 = (SORT_87)1 << (20 - 1); typedef unsigned char SORT_93; // BV with 8 bits const SORT_93 mask_SORT_93 = (SORT_93)-1 >> (sizeof(SORT_93) * 8 - 8); const SORT_93 msb_SORT_93 = (SORT_93)1 << (8 - 1); typedef unsigned short SORT_99; // BV with 16 bits const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 16); const SORT_99 msb_SORT_99 = (SORT_99)1 << (16 - 1); // Initializing constants ... const SORT_5 var_8 = 0; const SORT_3 var_19 = 0; const SORT_3 var_40 = 1; // Collecting input declarations ... SORT_1 input_2; SORT_3 input_4; SORT_5 input_6; SORT_3 input_7; // Collecting state declarations ... SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; SORT_5 state_13 = __VERIFIER_nondet_uint() & mask_SORT_5; SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; // Initializing states ... SORT_5 init_10_arg_1 = var_8; state_9 = init_10_arg_1; SORT_5 init_14_arg_1 = var_8; state_13 = init_14_arg_1; SORT_3 init_21_arg_1 = var_19; state_20 = init_21_arg_1; for (;;) { // Getting external input values ... input_2 = __VERIFIER_nondet_uchar(); input_4 = __VERIFIER_nondet_uchar(); input_6 = __VERIFIER_nondet_uint(); input_7 = __VERIFIER_nondet_uchar(); input_7 = input_7 & mask_SORT_3; // Assuming invariants ... // Asserting properties ... SORT_5 var_11_arg_0 = state_9; SORT_5 var_11_arg_1 = var_8; SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; SORT_3 var_12_arg_0 = var_11; SORT_3 var_12 = ~var_12_arg_0; SORT_5 var_15_arg_0 = state_13; SORT_5 var_15_arg_1 = var_8; SORT_3 var_15 = var_15_arg_0 == var_15_arg_1; SORT_3 var_16_arg_0 = var_15; SORT_3 var_16 = ~var_16_arg_0; SORT_3 var_17_arg_0 = var_12; SORT_3 var_17_arg_1 = var_16; SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; SORT_3 var_18_arg_0 = var_17; SORT_3 var_18 = ~var_18_arg_0; SORT_3 var_22_arg_0 = state_20; var_22_arg_0 = var_22_arg_0 & mask_SORT_3; SORT_5 var_22 = var_22_arg_0; SORT_5 var_23_arg_0 = var_22; SORT_5 var_23_arg_1 = var_8; SORT_3 var_23 = var_23_arg_0 == var_23_arg_1; SORT_5 var_24_arg_0 = state_9; SORT_5 var_24_arg_1 = var_8; SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; SORT_3 var_25_arg_0 = var_24; SORT_3 var_25 = ~var_25_arg_0; SORT_3 var_26_arg_0 = var_23; SORT_3 var_26_arg_1 = var_25; SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; SORT_3 var_27_arg_0 = var_18; SORT_3 var_27_arg_1 = var_26; SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; SORT_5 var_28_arg_0 = state_9; SORT_5 var_28_arg_1 = var_8; SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; SORT_5 var_29_arg_0 = state_13; SORT_5 var_29_arg_1 = var_8; SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; SORT_3 var_30_arg_0 = var_28; SORT_3 var_30_arg_1 = var_29; SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; SORT_3 var_31_arg_0 = var_30; SORT_3 var_31 = ~var_31_arg_0; SORT_3 var_32_arg_0 = state_20; var_32_arg_0 = var_32_arg_0 & mask_SORT_3; SORT_5 var_32 = var_32_arg_0; SORT_5 var_33_arg_0 = var_32; SORT_5 var_33_arg_1 = var_8; SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; SORT_5 var_34_arg_0 = state_9; SORT_5 var_34_arg_1 = var_8; SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; SORT_3 var_35_arg_0 = var_33; SORT_3 var_35_arg_1 = var_34; SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; SORT_3 var_36_arg_0 = var_31; SORT_3 var_36_arg_1 = var_35; SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; SORT_3 var_37_arg_0 = var_27; SORT_3 var_37_arg_1 = var_36; SORT_3 var_37 = var_37_arg_0 & var_37_arg_1; SORT_3 var_41_arg_0 = var_37; SORT_3 var_41 = ~var_41_arg_0; SORT_3 var_42_arg_0 = var_40; SORT_3 var_42_arg_1 = var_41; SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; var_42 = var_42 & mask_SORT_3; SORT_3 bad_43_arg_0 = var_42; __VERIFIER_assert(!(bad_43_arg_0)); // Computing next states ... SORT_3 var_108_arg_0 = state_20; SORT_5 var_108_arg_1 = state_13; SORT_5 var_108_arg_2 = input_6; SORT_5 var_108 = var_108_arg_0 ? var_108_arg_1 : var_108_arg_2; var_108 = var_108 & mask_SORT_5; SORT_5 next_109_arg_1 = var_108; SORT_1 var_103_arg_0 = input_2; SORT_3 var_103 = var_103_arg_0 >> 4; var_103 = var_103 & mask_SORT_3; SORT_1 var_90_arg_0 = input_2; SORT_3 var_90 = var_90_arg_0 >> 3; var_90 = var_90 & mask_SORT_3; SORT_1 var_76_arg_0 = input_2; SORT_3 var_76 = var_76_arg_0 >> 2; var_76 = var_76 & mask_SORT_3; SORT_1 var_62_arg_0 = input_2; SORT_3 var_62 = var_62_arg_0 >> 1; var_62 = var_62 & mask_SORT_3; SORT_1 var_50_arg_0 = input_2; SORT_3 var_50 = var_50_arg_0 >> 0; var_50 = var_50 & mask_SORT_3; SORT_5 var_54_arg_0 = state_9; SORT_3 var_54 = var_54_arg_0 >> 0; SORT_5 var_53_arg_0 = state_9; SORT_3 var_53 = var_53_arg_0 >> 31; SORT_3 var_55_arg_0 = var_50; SORT_3 var_55_arg_1 = var_54; SORT_3 var_55_arg_2 = var_53; SORT_3 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; SORT_5 var_49_arg_0 = state_9; SORT_47 var_49 = var_49_arg_0 >> 1; SORT_5 var_48_arg_0 = state_9; SORT_47 var_48 = var_48_arg_0 >> 0; SORT_3 var_51_arg_0 = var_50; SORT_47 var_51_arg_1 = var_49; SORT_47 var_51_arg_2 = var_48; SORT_47 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; SORT_47 var_60_arg_0 = var_51; SORT_59 var_60 = var_60_arg_0 >> 2; var_60 = var_60 & mask_SORT_59; SORT_3 var_61_arg_0 = var_55; SORT_59 var_61_arg_1 = var_60; SORT_57 var_61 = ((SORT_57)var_61_arg_0 << 29) | var_61_arg_1; SORT_47 var_58_arg_0 = var_51; SORT_57 var_58 = var_58_arg_0 >> 0; SORT_3 var_63_arg_0 = var_62; SORT_57 var_63_arg_1 = var_61; SORT_57 var_63_arg_2 = var_58; SORT_57 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; SORT_57 var_82_arg_0 = var_63; SORT_79 var_82 = var_82_arg_0 >> 0; SORT_47 var_68_arg_0 = var_51; SORT_65 var_68 = var_68_arg_0 >> 0; SORT_47 var_66_arg_0 = var_51; SORT_3 var_66 = var_66_arg_0 >> 30; var_66 = var_66 & mask_SORT_3; SORT_3 var_67_arg_0 = var_55; SORT_3 var_67_arg_1 = var_66; SORT_65 var_67 = ((SORT_65)var_67_arg_0 << 1) | var_67_arg_1; SORT_3 var_69_arg_0 = var_62; SORT_65 var_69_arg_1 = var_68; SORT_65 var_69_arg_2 = var_67; SORT_65 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; SORT_57 var_80_arg_0 = var_63; SORT_65 var_80 = var_80_arg_0 >> 28; var_80 = var_80 & mask_SORT_65; SORT_65 var_81_arg_0 = var_69; SORT_65 var_81_arg_1 = var_80; SORT_79 var_81 = ((SORT_79)var_81_arg_0 << 2) | var_81_arg_1; SORT_3 var_83_arg_0 = var_76; SORT_79 var_83_arg_1 = var_82; SORT_79 var_83_arg_2 = var_81; SORT_79 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; SORT_57 var_74_arg_0 = var_63; SORT_73 var_74 = var_74_arg_0 >> 4; var_74 = var_74 & mask_SORT_73; SORT_65 var_75_arg_0 = var_69; SORT_73 var_75_arg_1 = var_74; SORT_71 var_75 = ((SORT_71)var_75_arg_0 << 26) | var_75_arg_1; SORT_57 var_72_arg_0 = var_63; SORT_71 var_72 = var_72_arg_0 >> 0; SORT_3 var_77_arg_0 = var_76; SORT_71 var_77_arg_1 = var_75; SORT_71 var_77_arg_2 = var_72; SORT_71 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; SORT_71 var_88_arg_0 = var_77; SORT_87 var_88 = var_88_arg_0 >> 8; var_88 = var_88 & mask_SORT_87; SORT_79 var_89_arg_0 = var_83; SORT_87 var_89_arg_1 = var_88; SORT_85 var_89 = ((SORT_85)var_89_arg_0 << 20) | var_89_arg_1; SORT_71 var_86_arg_0 = var_77; SORT_85 var_86 = var_86_arg_0 >> 0; SORT_3 var_91_arg_0 = var_90; SORT_85 var_91_arg_1 = var_89; SORT_85 var_91_arg_2 = var_86; SORT_85 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; SORT_85 var_100_arg_0 = var_91; SORT_99 var_100 = var_100_arg_0 >> 0; SORT_71 var_96_arg_0 = var_77; SORT_93 var_96 = var_96_arg_0 >> 0; SORT_71 var_94_arg_0 = var_77; SORT_79 var_94 = var_94_arg_0 >> 24; var_94 = var_94 & mask_SORT_79; SORT_79 var_95_arg_0 = var_83; SORT_79 var_95_arg_1 = var_94; SORT_93 var_95 = ((SORT_93)var_95_arg_0 << 4) | var_95_arg_1; SORT_3 var_97_arg_0 = var_90; SORT_93 var_97_arg_1 = var_96; SORT_93 var_97_arg_2 = var_95; SORT_93 var_97 = var_97_arg_0 ? var_97_arg_1 : var_97_arg_2; SORT_85 var_101_arg_0 = var_91; SORT_93 var_101 = var_101_arg_0 >> 16; var_101 = var_101 & mask_SORT_93; SORT_93 var_102_arg_0 = var_97; SORT_93 var_102_arg_1 = var_101; SORT_99 var_102 = ((SORT_99)var_102_arg_0 << 8) | var_102_arg_1; SORT_3 var_106_arg_0 = var_103; SORT_99 var_106_arg_1 = var_100; SORT_99 var_106_arg_2 = var_102; SORT_99 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; SORT_3 var_104_arg_0 = var_103; SORT_99 var_104_arg_1 = var_102; SORT_99 var_104_arg_2 = var_100; SORT_99 var_104 = var_104_arg_0 ? var_104_arg_1 : var_104_arg_2; var_104 = var_104 & mask_SORT_99; SORT_99 var_110_arg_0 = var_106; SORT_99 var_110_arg_1 = var_104; SORT_5 var_110 = ((SORT_5)var_110_arg_0 << 16) | var_110_arg_1; var_110 = var_110 & mask_SORT_5; SORT_5 next_111_arg_1 = var_110; SORT_3 next_112_arg_1 = input_7; // Assigning next states ... state_9 = next_109_arg_1; state_13 = next_111_arg_1; state_20 = next_112_arg_1; } return 0; }