// 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 unsigned __int128 __VERIFIER_nondet_uint128(); extern void abort(void); extern void __assert_fail(const char *, const char *, unsigned int, const char *); void reach_error() { __assert_fail("0", "mul2.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 long SORT_5; // BV with 64 bits const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 64); const SORT_5 msb_SORT_5 = (SORT_5)1 << (64 - 1); typedef unsigned __int128 SORT_9; // BV with 128 bits const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 128); const SORT_9 msb_SORT_9 = (SORT_9)1 << (128 - 1); // Initializing constants ... const SORT_9 var_10 = 0; const SORT_1 var_18 = 1; const SORT_5 var_22 = 0; // Collecting input declarations ... SORT_1 input_2; SORT_1 input_3; SORT_1 input_4; SORT_5 input_6; SORT_5 input_7; SORT_1 input_8; // Collecting state declarations ... SORT_9 state_11 = __VERIFIER_nondet_uint128() & mask_SORT_9; SORT_9 state_13 = __VERIFIER_nondet_uint128() & mask_SORT_9; SORT_5 state_23 = __VERIFIER_nondet_ulong() & mask_SORT_5; SORT_5 state_25 = __VERIFIER_nondet_ulong() & mask_SORT_5; SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_5 state_31 = __VERIFIER_nondet_ulong() & mask_SORT_5; SORT_5 state_33 = __VERIFIER_nondet_ulong() & mask_SORT_5; // Initializing states ... SORT_9 init_12_arg_1 = var_10; state_11 = init_12_arg_1; SORT_9 init_14_arg_1 = var_10; state_13 = init_14_arg_1; SORT_5 init_24_arg_1 = var_22; state_23 = init_24_arg_1; SORT_5 init_26_arg_1 = var_22; state_25 = init_26_arg_1; SORT_1 init_28_arg_1 = var_18; state_27 = init_28_arg_1; SORT_1 init_30_arg_1 = var_18; state_29 = init_30_arg_1; SORT_5 init_32_arg_1 = var_22; state_31 = init_32_arg_1; SORT_5 init_34_arg_1 = var_22; state_33 = init_34_arg_1; for (;;) { // Getting external input values ... input_2 = __VERIFIER_nondet_uchar(); input_2 = input_2 & mask_SORT_1; input_3 = __VERIFIER_nondet_uchar(); input_3 = input_3 & mask_SORT_1; input_4 = __VERIFIER_nondet_uchar(); input_4 = input_4 & mask_SORT_1; input_6 = __VERIFIER_nondet_ulong(); input_6 = input_6 & mask_SORT_5; input_7 = __VERIFIER_nondet_ulong(); input_7 = input_7 & mask_SORT_5; input_8 = __VERIFIER_nondet_uchar(); input_8 = input_8 & mask_SORT_1; // Assuming invariants ... // Asserting properties ... SORT_9 var_15_arg_0 = state_11; SORT_9 var_15_arg_1 = state_13; SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; SORT_1 var_19_arg_0 = var_15; SORT_1 var_19 = ~var_19_arg_0; var_19 = var_19 & mask_SORT_1; SORT_1 var_20_arg_0 = var_18; SORT_1 var_20_arg_1 = var_19; SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; var_20 = var_20 & mask_SORT_1; SORT_1 bad_21_arg_0 = var_20; __VERIFIER_assert(!(bad_21_arg_0)); // Computing next states ... SORT_5 var_36_arg_0 = state_23; SORT_9 var_36 = var_36_arg_0; SORT_5 var_37_arg_0 = state_25; SORT_9 var_37 = var_37_arg_0; SORT_9 var_38_arg_0 = var_36; SORT_9 var_38_arg_1 = var_37; SORT_9 var_38 = var_38_arg_0 * var_38_arg_1; var_38 = var_38 & mask_SORT_9; SORT_1 var_39_arg_0 = input_8; SORT_9 var_39_arg_1 = var_10; SORT_9 var_39_arg_2 = var_38; SORT_9 var_39 = var_39_arg_0 ? var_39_arg_1 : var_39_arg_2; SORT_9 next_40_arg_1 = var_39; SORT_1 var_44_arg_0 = state_27; SORT_1 var_44_arg_1 = state_29; SORT_1 var_44 = var_44_arg_0 | var_44_arg_1; var_44 = var_44 & mask_SORT_1; SORT_5 var_41_arg_0 = state_31; SORT_9 var_41 = var_41_arg_0; SORT_5 var_42_arg_0 = state_33; SORT_9 var_42 = var_42_arg_0; SORT_9 var_43_arg_0 = var_41; SORT_9 var_43_arg_1 = var_42; SORT_9 var_43 = var_43_arg_0 * var_43_arg_1; var_43 = var_43 & mask_SORT_9; SORT_1 var_45_arg_0 = var_44; SORT_9 var_45_arg_1 = var_43; SORT_9 var_45_arg_2 = state_13; SORT_9 var_45 = var_45_arg_0 ? var_45_arg_1 : var_45_arg_2; SORT_1 var_46_arg_0 = input_8; SORT_9 var_46_arg_1 = var_10; SORT_9 var_46_arg_2 = var_45; SORT_9 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; SORT_9 next_47_arg_1 = var_46; SORT_1 var_48_arg_0 = input_3; SORT_5 var_48_arg_1 = input_6; SORT_5 var_48_arg_2 = state_23; SORT_5 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; SORT_1 var_49_arg_0 = input_8; SORT_5 var_49_arg_1 = var_22; SORT_5 var_49_arg_2 = var_48; SORT_5 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; SORT_5 next_50_arg_1 = var_49; SORT_1 var_51_arg_0 = input_4; SORT_5 var_51_arg_1 = input_7; SORT_5 var_51_arg_2 = state_25; SORT_5 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; SORT_1 var_52_arg_0 = input_8; SORT_5 var_52_arg_1 = var_22; SORT_5 var_52_arg_2 = var_51; SORT_5 var_52 = var_52_arg_0 ? var_52_arg_1 : var_52_arg_2; SORT_5 next_53_arg_1 = var_52; SORT_1 var_54_arg_0 = input_8; SORT_1 var_54_arg_1 = var_18; SORT_1 var_54_arg_2 = input_3; SORT_1 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; SORT_1 next_55_arg_1 = var_54; SORT_1 var_56_arg_0 = input_8; SORT_1 var_56_arg_1 = var_18; SORT_1 var_56_arg_2 = input_4; SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; SORT_1 next_57_arg_1 = var_56; SORT_1 var_58_arg_0 = input_3; SORT_5 var_58_arg_1 = input_6; SORT_5 var_58_arg_2 = state_31; SORT_5 var_58 = var_58_arg_0 ? var_58_arg_1 : var_58_arg_2; SORT_1 var_59_arg_0 = input_8; SORT_5 var_59_arg_1 = var_22; SORT_5 var_59_arg_2 = var_58; SORT_5 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; SORT_5 next_60_arg_1 = var_59; SORT_1 var_61_arg_0 = input_4; SORT_5 var_61_arg_1 = input_7; SORT_5 var_61_arg_2 = state_33; SORT_5 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; SORT_1 var_62_arg_0 = input_8; SORT_5 var_62_arg_1 = var_22; SORT_5 var_62_arg_2 = var_61; SORT_5 var_62 = var_62_arg_0 ? var_62_arg_1 : var_62_arg_2; SORT_5 next_63_arg_1 = var_62; // Assigning next states ... state_11 = next_40_arg_1; state_13 = next_47_arg_1; state_23 = next_50_arg_1; state_25 = next_53_arg_1; state_27 = next_55_arg_1; state_29 = next_57_arg_1; state_31 = next_60_arg_1; state_33 = next_63_arg_1; } return 0; }