// 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_s1269b_p3.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 3 bits const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 3); const SORT_1 msb_SORT_1 = (SORT_1)1 << (3 - 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 char SORT_12; // BV with 8 bits const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 8); const SORT_12 msb_SORT_12 = (SORT_12)1 << (8 - 1); // Initializing constants ... const SORT_3 var_14 = 0; const SORT_3 var_29 = 1; // Collecting input declarations ... SORT_1 input_2; SORT_3 input_4; SORT_3 input_5; SORT_3 input_6; SORT_3 input_7; SORT_3 input_8; SORT_3 input_9; SORT_3 input_10; SORT_3 input_11; SORT_12 input_13; SORT_12 input_33; SORT_12 input_35; SORT_3 input_37; SORT_3 input_39; SORT_12 input_83; SORT_3 input_89; SORT_1 input_92; SORT_3 input_94; SORT_3 input_96; SORT_3 input_98; // Collecting state declarations ... SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; SORT_3 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_3; SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; // Initializing states ... SORT_3 init_16_arg_1 = var_14; state_15 = init_16_arg_1; SORT_3 init_18_arg_1 = var_14; state_17 = init_18_arg_1; SORT_3 init_21_arg_1 = var_14; state_20 = init_21_arg_1; SORT_3 init_25_arg_1 = var_14; state_24 = init_25_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_5 = __VERIFIER_nondet_uchar(); input_5 = input_5 & mask_SORT_3; input_6 = __VERIFIER_nondet_uchar(); input_6 = input_6 & mask_SORT_3; input_7 = __VERIFIER_nondet_uchar(); input_7 = input_7 & mask_SORT_3; input_8 = __VERIFIER_nondet_uchar(); input_8 = input_8 & mask_SORT_3; input_9 = __VERIFIER_nondet_uchar(); input_9 = input_9 & mask_SORT_3; input_10 = __VERIFIER_nondet_uchar(); input_10 = input_10 & mask_SORT_3; input_11 = __VERIFIER_nondet_uchar(); input_11 = input_11 & mask_SORT_3; input_13 = __VERIFIER_nondet_uchar(); input_13 = input_13 & mask_SORT_12; input_33 = __VERIFIER_nondet_uchar(); input_33 = input_33 & mask_SORT_12; input_35 = __VERIFIER_nondet_uchar(); input_35 = input_35 & mask_SORT_12; input_37 = __VERIFIER_nondet_uchar(); input_37 = input_37 & mask_SORT_3; input_39 = __VERIFIER_nondet_uchar(); input_39 = input_39 & mask_SORT_3; input_83 = __VERIFIER_nondet_uchar(); input_83 = input_83 & mask_SORT_12; input_89 = __VERIFIER_nondet_uchar(); input_89 = input_89 & mask_SORT_3; input_92 = __VERIFIER_nondet_uchar(); input_92 = input_92 & mask_SORT_1; input_94 = __VERIFIER_nondet_uchar(); input_94 = input_94 & mask_SORT_3; input_96 = __VERIFIER_nondet_uchar(); input_96 = input_96 & mask_SORT_3; input_98 = __VERIFIER_nondet_uchar(); input_98 = input_98 & mask_SORT_3; // Assuming invariants ... // Asserting properties ... SORT_3 var_19_arg_0 = state_15; SORT_3 var_19_arg_1 = state_17; SORT_3 var_19 = var_19_arg_0 | var_19_arg_1; var_19 = var_19 & mask_SORT_3; SORT_3 var_22_arg_0 = var_19; SORT_3 var_22_arg_1 = state_20; SORT_3 var_22 = var_22_arg_0 | var_22_arg_1; var_22 = var_22 & mask_SORT_3; SORT_3 var_23_arg_0 = var_22; SORT_3 var_23 = ~var_23_arg_0; var_23 = var_23 & mask_SORT_3; SORT_3 var_26_arg_0 = var_23; SORT_3 var_26_arg_1 = state_24; SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; var_26 = var_26 & mask_SORT_3; SORT_3 var_30_arg_0 = var_26; SORT_3 var_30 = ~var_30_arg_0; var_30 = var_30 & mask_SORT_3; SORT_3 var_31_arg_0 = var_29; SORT_3 var_31_arg_1 = var_30; SORT_3 var_31 = var_31_arg_0 & var_31_arg_1; var_31 = var_31 & mask_SORT_3; SORT_3 bad_32_arg_0 = var_31; __VERIFIER_assert(!(bad_32_arg_0)); // Computing next states ... SORT_3 var_41_arg_0 = state_17; SORT_3 var_41 = ~var_41_arg_0; var_41 = var_41 & mask_SORT_3; SORT_3 var_42_arg_0 = state_15; SORT_3 var_42 = ~var_42_arg_0; var_42 = var_42 & mask_SORT_3; SORT_3 var_43_arg_0 = var_42; SORT_3 var_43_arg_1 = state_20; SORT_3 var_43 = var_43_arg_0 & var_43_arg_1; var_43 = var_43 & mask_SORT_3; SORT_3 var_44_arg_0 = var_43; SORT_3 var_44 = ~var_44_arg_0; var_44 = var_44 & mask_SORT_3; SORT_3 var_45_arg_0 = var_41; SORT_3 var_45_arg_1 = var_44; SORT_3 var_45 = var_45_arg_0 | var_45_arg_1; var_45 = var_45 & mask_SORT_3; SORT_3 var_46_arg_0 = var_45; SORT_3 var_46 = ~var_46_arg_0; var_46 = var_46 & mask_SORT_3; SORT_3 var_47_arg_0 = state_17; SORT_3 var_47_arg_1 = state_20; SORT_3 var_47 = var_47_arg_0 & var_47_arg_1; var_47 = var_47 & mask_SORT_3; SORT_3 var_48_arg_0 = var_42; SORT_3 var_48_arg_1 = var_47; SORT_3 var_48 = var_48_arg_0 | var_48_arg_1; var_48 = var_48 & mask_SORT_3; SORT_3 var_49_arg_0 = var_48; SORT_3 var_49 = ~var_49_arg_0; var_49 = var_49 & mask_SORT_3; SORT_3 var_50_arg_0 = var_46; SORT_3 var_50_arg_1 = var_49; SORT_3 var_50 = var_50_arg_0 | var_50_arg_1; var_50 = var_50 & mask_SORT_3; SORT_3 next_100_arg_1 = var_50; SORT_3 var_52_arg_0 = state_20; SORT_3 var_52 = ~var_52_arg_0; var_52 = var_52 & mask_SORT_3; SORT_3 var_53_arg_0 = state_17; SORT_3 var_53_arg_1 = var_52; SORT_3 var_53 = var_53_arg_0 | var_53_arg_1; var_53 = var_53 & mask_SORT_3; SORT_3 var_54_arg_0 = state_17; SORT_3 var_54_arg_1 = var_52; SORT_3 var_54 = var_54_arg_0 & var_54_arg_1; var_54 = var_54 & mask_SORT_3; SORT_3 var_55_arg_0 = var_54; SORT_3 var_55 = ~var_55_arg_0; var_55 = var_55 & mask_SORT_3; SORT_3 var_56_arg_0 = var_53; SORT_3 var_56_arg_1 = var_55; SORT_3 var_56 = var_56_arg_0 & var_56_arg_1; var_56 = var_56 & mask_SORT_3; SORT_3 var_57_arg_0 = var_56; SORT_3 var_57 = ~var_57_arg_0; var_57 = var_57 & mask_SORT_3; SORT_3 next_101_arg_1 = var_57; SORT_1 var_59_arg_0 = input_2; SORT_3 var_59 = var_59_arg_0 >> 0; var_59 = var_59 & mask_SORT_3; SORT_1 var_60_arg_0 = input_2; SORT_3 var_60 = var_60_arg_0 >> 2; var_60 = var_60 & mask_SORT_3; SORT_3 var_61_arg_0 = var_60; SORT_3 var_61 = ~var_61_arg_0; var_61 = var_61 & 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_3 var_63_arg_0 = var_61; SORT_3 var_63_arg_1 = var_62; SORT_3 var_63 = var_63_arg_0 | var_63_arg_1; var_63 = var_63 & mask_SORT_3; SORT_3 var_64_arg_0 = var_59; SORT_3 var_64_arg_1 = var_63; SORT_3 var_64 = var_64_arg_0 | var_64_arg_1; var_64 = var_64 & mask_SORT_3; SORT_3 var_65_arg_0 = var_64; SORT_3 var_65 = ~var_65_arg_0; var_65 = var_65 & mask_SORT_3; SORT_3 var_66_arg_0 = state_15; SORT_3 var_66_arg_1 = state_17; SORT_3 var_66 = var_66_arg_0 | var_66_arg_1; var_66 = var_66 & mask_SORT_3; SORT_3 var_67_arg_0 = var_65; SORT_3 var_67_arg_1 = var_66; SORT_3 var_67 = var_67_arg_0 | var_67_arg_1; var_67 = var_67 & mask_SORT_3; SORT_3 var_68_arg_0 = var_67; SORT_3 var_68_arg_1 = var_52; SORT_3 var_68 = var_68_arg_0 & var_68_arg_1; var_68 = var_68 & mask_SORT_3; SORT_3 next_102_arg_1 = var_68; SORT_3 var_85_arg_0 = var_65; SORT_3 var_85_arg_1 = state_17; SORT_3 var_85 = var_85_arg_0 | var_85_arg_1; var_85 = var_85 & mask_SORT_3; SORT_3 var_86_arg_0 = var_85; SORT_3 var_86_arg_1 = state_15; SORT_3 var_86 = var_86_arg_0 | var_86_arg_1; var_86 = var_86 & mask_SORT_3; SORT_3 var_87_arg_0 = var_86; SORT_3 var_87_arg_1 = state_20; SORT_3 var_87 = var_87_arg_0 | var_87_arg_1; var_87 = var_87 & mask_SORT_3; SORT_3 next_103_arg_1 = var_87; // Assigning next states ... state_15 = next_100_arg_1; state_17 = next_101_arg_1; state_20 = next_102_arg_1; state_24 = next_103_arg_1; } return 0; }