// 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", "vcegar_QF_BV_itc99_b13_p18.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 1 bits const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); typedef unsigned char SORT_3; // BV with 8 bits const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); typedef unsigned int SORT_10; // BV with 32 bits const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); typedef unsigned char SORT_30; // BV with 4 bits const SORT_30 mask_SORT_30 = (SORT_30)-1 >> (sizeof(SORT_30) * 8 - 4); const SORT_30 msb_SORT_30 = (SORT_30)1 << (4 - 1); typedef unsigned short SORT_68; // BV with 10 bits const SORT_68 mask_SORT_68 = (SORT_68)-1 >> (sizeof(SORT_68) * 8 - 10); const SORT_68 msb_SORT_68 = (SORT_68)1 << (10 - 1); // Initializing constants ... const SORT_1 var_7 = 0; const SORT_10 var_12 = 1; const SORT_1 var_22 = 1; // Collecting input declarations ... SORT_1 input_2; SORT_3 input_4; SORT_1 input_5; SORT_1 input_6; SORT_30 input_31; SORT_1 input_33; SORT_30 input_35; SORT_1 input_37; SORT_1 input_39; SORT_1 input_41; SORT_1 input_43; SORT_1 input_45; SORT_1 input_47; SORT_1 input_49; SORT_3 input_51; SORT_1 input_54; SORT_1 input_56; SORT_1 input_60; SORT_1 input_62; SORT_1 input_64; SORT_1 input_66; SORT_68 input_69; SORT_1 input_71; SORT_1 input_79; // Collecting state declarations ... SORT_1 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; // Initializing states ... SORT_1 init_9_arg_1 = var_7; state_8 = init_9_arg_1; SORT_1 init_16_arg_1 = var_7; state_15 = init_16_arg_1; SORT_1 init_27_arg_1 = var_7; state_26 = init_27_arg_1; SORT_1 init_29_arg_1 = var_7; state_28 = init_29_arg_1; SORT_1 init_59_arg_1 = var_7; state_58 = init_59_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_1; input_6 = __VERIFIER_nondet_uchar(); input_6 = input_6 & mask_SORT_1; input_31 = __VERIFIER_nondet_uchar(); input_31 = input_31 & mask_SORT_30; input_33 = __VERIFIER_nondet_uchar(); input_33 = input_33 & mask_SORT_1; input_35 = __VERIFIER_nondet_uchar(); input_35 = input_35 & mask_SORT_30; input_37 = __VERIFIER_nondet_uchar(); input_37 = input_37 & mask_SORT_1; input_39 = __VERIFIER_nondet_uchar(); input_39 = input_39 & mask_SORT_1; input_41 = __VERIFIER_nondet_uchar(); input_41 = input_41 & mask_SORT_1; input_43 = __VERIFIER_nondet_uchar(); input_43 = input_43 & mask_SORT_1; input_45 = __VERIFIER_nondet_uchar(); input_45 = input_45 & mask_SORT_1; input_47 = __VERIFIER_nondet_uchar(); input_47 = input_47 & mask_SORT_1; input_49 = __VERIFIER_nondet_uchar(); input_49 = input_49 & mask_SORT_1; input_51 = __VERIFIER_nondet_uchar(); input_51 = input_51 & mask_SORT_3; input_54 = __VERIFIER_nondet_uchar(); input_54 = input_54 & mask_SORT_1; input_56 = __VERIFIER_nondet_uchar(); input_56 = input_56 & mask_SORT_1; input_60 = __VERIFIER_nondet_uchar(); input_60 = input_60 & mask_SORT_1; input_62 = __VERIFIER_nondet_uchar(); input_62 = input_62 & mask_SORT_1; input_64 = __VERIFIER_nondet_uchar(); input_64 = input_64 & mask_SORT_1; input_66 = __VERIFIER_nondet_uchar(); input_66 = input_66 & mask_SORT_1; input_69 = __VERIFIER_nondet_ushort(); input_69 = input_69 & mask_SORT_68; input_71 = __VERIFIER_nondet_uchar(); input_71 = input_71 & mask_SORT_1; input_79 = __VERIFIER_nondet_uchar(); input_79 = input_79 & mask_SORT_1; // Assuming invariants ... // Asserting properties ... SORT_1 var_11_arg_0 = state_8; SORT_10 var_11 = var_11_arg_0; SORT_10 var_13_arg_0 = var_11; SORT_10 var_13_arg_1 = var_12; SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; SORT_1 var_14_arg_0 = var_13; SORT_1 var_14 = ~var_14_arg_0; var_14 = var_14 & mask_SORT_1; SORT_1 var_17_arg_0 = state_15; SORT_10 var_17 = var_17_arg_0; SORT_10 var_18_arg_0 = var_17; SORT_10 var_18_arg_1 = var_12; SORT_1 var_18 = var_18_arg_0 == var_18_arg_1; SORT_1 var_19_arg_0 = var_14; SORT_1 var_19_arg_1 = var_18; SORT_1 var_19 = var_19_arg_0 | var_19_arg_1; var_19 = var_19 & mask_SORT_1; SORT_1 var_23_arg_0 = var_19; SORT_1 var_23 = ~var_23_arg_0; var_23 = var_23 & mask_SORT_1; SORT_1 var_24_arg_0 = var_22; SORT_1 var_24_arg_1 = var_23; SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; var_24 = var_24 & mask_SORT_1; SORT_1 bad_25_arg_0 = var_24; __VERIFIER_assert(!(bad_25_arg_0)); // Computing next states ... SORT_1 var_73_arg_0 = state_28; SORT_1 var_73_arg_1 = state_8; SORT_1 var_73_arg_2 = state_8; SORT_1 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; SORT_1 next_74_arg_1 = var_73; SORT_1 var_75_arg_0 = state_28; SORT_1 var_75_arg_1 = state_15; SORT_1 var_75_arg_2 = state_15; SORT_1 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; SORT_1 next_76_arg_1 = var_75; SORT_1 var_77_arg_0 = state_26; SORT_1 var_77_arg_1 = var_7; SORT_1 var_77_arg_2 = var_22; SORT_1 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; SORT_1 next_78_arg_1 = var_77; SORT_1 var_81_arg_0 = state_28; SORT_1 var_81_arg_1 = var_7; SORT_1 var_81 = var_81_arg_0 == var_81_arg_1; SORT_1 var_80_arg_0 = state_58; SORT_1 var_80_arg_1 = var_22; SORT_1 var_80_arg_2 = var_7; SORT_1 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; SORT_1 var_82_arg_0 = var_81; SORT_1 var_82_arg_1 = var_80; SORT_1 var_82_arg_2 = input_79; SORT_1 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; SORT_1 var_83_arg_0 = state_28; SORT_1 var_83_arg_1 = var_7; SORT_1 var_83_arg_2 = var_82; SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; SORT_1 next_84_arg_1 = var_83; SORT_1 var_85_arg_0 = state_26; SORT_1 var_85_arg_1 = state_58; SORT_1 var_85_arg_2 = state_58; SORT_1 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; SORT_1 next_86_arg_1 = var_85; // Assigning next states ... state_8 = next_74_arg_1; state_15 = next_76_arg_1; state_26 = next_78_arg_1; state_28 = next_84_arg_1; state_58 = next_86_arg_1; } return 0; }