// 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=false, 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", "vis_QF_BV_spinner32.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_25; // BV with 31 bits const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 31); const SORT_25 msb_SORT_25 = (SORT_25)1 << (31 - 1); typedef unsigned int SORT_35; // BV with 30 bits const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 30); const SORT_35 msb_SORT_35 = (SORT_35)1 << (30 - 1); typedef unsigned int SORT_37; // BV with 29 bits const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 29); const SORT_37 msb_SORT_37 = (SORT_37)1 << (29 - 1); typedef unsigned char SORT_43; // BV with 2 bits const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 2); const SORT_43 msb_SORT_43 = (SORT_43)1 << (2 - 1); typedef unsigned int SORT_49; // BV with 28 bits const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 28); const SORT_49 msb_SORT_49 = (SORT_49)1 << (28 - 1); typedef unsigned int SORT_51; // BV with 26 bits const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 26); const SORT_51 msb_SORT_51 = (SORT_51)1 << (26 - 1); typedef unsigned char SORT_57; // BV with 4 bits const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 4); const SORT_57 msb_SORT_57 = (SORT_57)1 << (4 - 1); typedef unsigned int SORT_63; // BV with 24 bits const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 24); const SORT_63 msb_SORT_63 = (SORT_63)1 << (24 - 1); typedef unsigned int SORT_65; // BV with 20 bits const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 20); const SORT_65 msb_SORT_65 = (SORT_65)1 << (20 - 1); typedef unsigned char SORT_71; // BV with 8 bits const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 8); const SORT_71 msb_SORT_71 = (SORT_71)1 << (8 - 1); typedef unsigned short SORT_77; // BV with 16 bits const SORT_77 mask_SORT_77 = (SORT_77)-1 >> (sizeof(SORT_77) * 8 - 16); const SORT_77 msb_SORT_77 = (SORT_77)1 << (16 - 1); // Initializing constants ... const SORT_5 var_8 = 0; const SORT_5 var_11 = 2863311530; const SORT_3 var_15 = 1; const SORT_3 var_22 = 0; // 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_19 = __VERIFIER_nondet_uint() & mask_SORT_5; SORT_3 state_23 = __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_20_arg_1 = var_8; state_19 = init_20_arg_1; SORT_3 init_24_arg_1 = var_22; state_23 = init_24_arg_1; for (;;) { // Getting external input values ... input_2 = __VERIFIER_nondet_uchar(); input_2 = input_2 & mask_SORT_1; input_4 = __VERIFIER_nondet_uchar(); input_4 = input_4 & mask_SORT_3; input_6 = __VERIFIER_nondet_uint(); input_6 = input_6 & mask_SORT_5; input_7 = __VERIFIER_nondet_uchar(); input_7 = input_7 & mask_SORT_3; // Assuming invariants ... // Asserting properties ... SORT_5 var_12_arg_0 = state_9; SORT_5 var_12_arg_1 = var_11; SORT_3 var_12 = var_12_arg_0 != var_12_arg_1; SORT_3 var_16_arg_0 = var_12; SORT_3 var_16 = ~var_16_arg_0; var_16 = var_16 & mask_SORT_3; SORT_3 var_17_arg_0 = var_15; SORT_3 var_17_arg_1 = var_16; SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; var_17 = var_17 & mask_SORT_3; SORT_3 bad_18_arg_0 = var_17; __VERIFIER_assert(!(bad_18_arg_0)); // Computing next states ... SORT_1 var_81_arg_0 = input_2; SORT_3 var_81 = var_81_arg_0 >> 4; var_81 = var_81 & mask_SORT_3; SORT_1 var_68_arg_0 = input_2; SORT_3 var_68 = var_68_arg_0 >> 3; var_68 = var_68 & mask_SORT_3; SORT_1 var_54_arg_0 = input_2; SORT_3 var_54 = var_54_arg_0 >> 2; var_54 = var_54 & mask_SORT_3; SORT_1 var_40_arg_0 = input_2; SORT_3 var_40 = var_40_arg_0 >> 1; var_40 = var_40 & mask_SORT_3; SORT_1 var_28_arg_0 = input_2; SORT_3 var_28 = var_28_arg_0 >> 0; var_28 = var_28 & mask_SORT_3; SORT_5 var_32_arg_0 = state_19; SORT_3 var_32 = var_32_arg_0 >> 0; var_32 = var_32 & mask_SORT_3; SORT_5 var_31_arg_0 = state_19; SORT_3 var_31 = var_31_arg_0 >> 31; var_31 = var_31 & mask_SORT_3; SORT_3 var_33_arg_0 = var_28; SORT_3 var_33_arg_1 = var_32; SORT_3 var_33_arg_2 = var_31; SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; SORT_5 var_27_arg_0 = state_19; SORT_25 var_27 = var_27_arg_0 >> 1; var_27 = var_27 & mask_SORT_25; SORT_5 var_26_arg_0 = state_19; SORT_25 var_26 = var_26_arg_0 >> 0; var_26 = var_26 & mask_SORT_25; SORT_3 var_29_arg_0 = var_28; SORT_25 var_29_arg_1 = var_27; SORT_25 var_29_arg_2 = var_26; SORT_25 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; SORT_25 var_38_arg_0 = var_29; SORT_37 var_38 = var_38_arg_0 >> 2; var_38 = var_38 & mask_SORT_37; SORT_3 var_39_arg_0 = var_33; SORT_37 var_39_arg_1 = var_38; SORT_35 var_39 = ((SORT_35)var_39_arg_0 << 29) | var_39_arg_1; SORT_25 var_36_arg_0 = var_29; SORT_35 var_36 = var_36_arg_0 >> 0; var_36 = var_36 & mask_SORT_35; SORT_3 var_41_arg_0 = var_40; SORT_35 var_41_arg_1 = var_39; SORT_35 var_41_arg_2 = var_36; SORT_35 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; SORT_35 var_60_arg_0 = var_41; SORT_57 var_60 = var_60_arg_0 >> 0; var_60 = var_60 & mask_SORT_57; SORT_25 var_46_arg_0 = var_29; SORT_43 var_46 = var_46_arg_0 >> 0; var_46 = var_46 & mask_SORT_43; SORT_25 var_44_arg_0 = var_29; SORT_3 var_44 = var_44_arg_0 >> 30; var_44 = var_44 & mask_SORT_3; SORT_3 var_45_arg_0 = var_33; SORT_3 var_45_arg_1 = var_44; SORT_43 var_45 = ((SORT_43)var_45_arg_0 << 1) | var_45_arg_1; SORT_3 var_47_arg_0 = var_40; SORT_43 var_47_arg_1 = var_46; SORT_43 var_47_arg_2 = var_45; SORT_43 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; SORT_35 var_58_arg_0 = var_41; SORT_43 var_58 = var_58_arg_0 >> 28; var_58 = var_58 & mask_SORT_43; SORT_43 var_59_arg_0 = var_47; SORT_43 var_59_arg_1 = var_58; SORT_57 var_59 = ((SORT_57)var_59_arg_0 << 2) | var_59_arg_1; SORT_3 var_61_arg_0 = var_54; SORT_57 var_61_arg_1 = var_60; SORT_57 var_61_arg_2 = var_59; SORT_57 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; SORT_35 var_52_arg_0 = var_41; SORT_51 var_52 = var_52_arg_0 >> 4; var_52 = var_52 & mask_SORT_51; SORT_43 var_53_arg_0 = var_47; SORT_51 var_53_arg_1 = var_52; SORT_49 var_53 = ((SORT_49)var_53_arg_0 << 26) | var_53_arg_1; SORT_35 var_50_arg_0 = var_41; SORT_49 var_50 = var_50_arg_0 >> 0; var_50 = var_50 & mask_SORT_49; SORT_3 var_55_arg_0 = var_54; SORT_49 var_55_arg_1 = var_53; SORT_49 var_55_arg_2 = var_50; SORT_49 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; SORT_49 var_66_arg_0 = var_55; SORT_65 var_66 = var_66_arg_0 >> 8; var_66 = var_66 & mask_SORT_65; SORT_57 var_67_arg_0 = var_61; SORT_65 var_67_arg_1 = var_66; SORT_63 var_67 = ((SORT_63)var_67_arg_0 << 20) | var_67_arg_1; SORT_49 var_64_arg_0 = var_55; SORT_63 var_64 = var_64_arg_0 >> 0; var_64 = var_64 & mask_SORT_63; SORT_3 var_69_arg_0 = var_68; SORT_63 var_69_arg_1 = var_67; SORT_63 var_69_arg_2 = var_64; SORT_63 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; SORT_63 var_78_arg_0 = var_69; SORT_77 var_78 = var_78_arg_0 >> 0; var_78 = var_78 & mask_SORT_77; SORT_49 var_74_arg_0 = var_55; SORT_71 var_74 = var_74_arg_0 >> 0; var_74 = var_74 & mask_SORT_71; SORT_49 var_72_arg_0 = var_55; SORT_57 var_72 = var_72_arg_0 >> 24; var_72 = var_72 & mask_SORT_57; SORT_57 var_73_arg_0 = var_61; SORT_57 var_73_arg_1 = var_72; SORT_71 var_73 = ((SORT_71)var_73_arg_0 << 4) | var_73_arg_1; SORT_3 var_75_arg_0 = var_68; SORT_71 var_75_arg_1 = var_74; SORT_71 var_75_arg_2 = var_73; SORT_71 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; SORT_63 var_79_arg_0 = var_69; SORT_71 var_79 = var_79_arg_0 >> 16; var_79 = var_79 & mask_SORT_71; SORT_71 var_80_arg_0 = var_75; SORT_71 var_80_arg_1 = var_79; SORT_77 var_80 = ((SORT_77)var_80_arg_0 << 8) | var_80_arg_1; SORT_3 var_84_arg_0 = var_81; SORT_77 var_84_arg_1 = var_78; SORT_77 var_84_arg_2 = var_80; SORT_77 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; SORT_3 var_82_arg_0 = var_81; SORT_77 var_82_arg_1 = var_80; SORT_77 var_82_arg_2 = var_78; SORT_77 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; SORT_77 var_86_arg_0 = var_84; SORT_77 var_86_arg_1 = var_82; SORT_5 var_86 = ((SORT_5)var_86_arg_0 << 16) | var_86_arg_1; SORT_5 next_87_arg_1 = var_86; SORT_3 var_88_arg_0 = state_23; SORT_5 var_88_arg_1 = state_9; SORT_5 var_88_arg_2 = input_6; SORT_5 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; SORT_5 next_89_arg_1 = var_88; SORT_3 next_90_arg_1 = input_7; // Assigning next states ... state_9 = next_87_arg_1; state_19 = next_89_arg_1; state_23 = next_90_arg_1; } return 0; }