// 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", "dyn_partition.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_4; // BV with 3 bits const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 3); const SORT_4 msb_SORT_4 = (SORT_4)1 << (3 - 1); typedef unsigned int SORT_23; // BV with 32 bits const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 32); const SORT_23 msb_SORT_23 = (SORT_23)1 << (32 - 1); // Initializing constants ... const SORT_4 var_5 = 0; const SORT_1 var_13 = 1; const SORT_1 var_17 = 0; const SORT_23 var_25 = 1; // Collecting input declarations ... SORT_1 input_2; SORT_1 input_3; // Collecting state declarations ... SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; // Initializing states ... SORT_4 init_7_arg_1 = var_5; state_6 = init_7_arg_1; SORT_4 init_9_arg_1 = var_5; state_8 = init_9_arg_1; SORT_1 init_19_arg_1 = var_17; state_18 = init_19_arg_1; SORT_1 init_21_arg_1 = var_17; state_20 = init_21_arg_1; for (;;) { // Getting external input values ... input_2 = __VERIFIER_nondet_uchar(); input_3 = __VERIFIER_nondet_uchar(); // Assuming invariants ... // Asserting properties ... SORT_4 var_10_arg_0 = state_6; SORT_4 var_10_arg_1 = state_8; SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; SORT_1 var_14_arg_0 = var_10; SORT_1 var_14 = ~var_14_arg_0; SORT_1 var_15_arg_0 = var_13; SORT_1 var_15_arg_1 = var_14; SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; var_15 = var_15 & mask_SORT_1; SORT_1 bad_16_arg_0 = var_15; __VERIFIER_assert(!(bad_16_arg_0)); // Computing next states ... SORT_1 var_28_arg_0 = state_18; SORT_1 var_28_arg_1 = state_20; SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; SORT_4 var_24_arg_0 = state_6; var_24_arg_0 = var_24_arg_0 & mask_SORT_4; SORT_23 var_24 = var_24_arg_0; SORT_23 var_26_arg_0 = var_24; SORT_23 var_26_arg_1 = var_25; SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; SORT_23 var_27_arg_0 = var_26; SORT_4 var_27 = var_27_arg_0 >> 0; SORT_1 var_29_arg_0 = var_28; SORT_4 var_29_arg_1 = state_6; SORT_4 var_29_arg_2 = var_27; SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; var_29 = var_29 & mask_SORT_4; SORT_4 next_30_arg_1 = var_29; SORT_4 var_31_arg_0 = state_8; var_31_arg_0 = var_31_arg_0 & mask_SORT_4; SORT_23 var_31 = var_31_arg_0; SORT_23 var_32_arg_0 = var_31; SORT_23 var_32_arg_1 = var_25; SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; SORT_23 var_33_arg_0 = var_32; SORT_4 var_33 = var_33_arg_0 >> 0; SORT_1 var_34_arg_0 = var_28; SORT_4 var_34_arg_1 = var_33; SORT_4 var_34_arg_2 = state_8; SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; var_34 = var_34 & mask_SORT_4; SORT_4 next_35_arg_1 = var_34; SORT_1 var_36_arg_0 = state_20; SORT_1 var_36 = ~var_36_arg_0; var_36 = var_36 & mask_SORT_1; SORT_1 next_37_arg_1 = var_36; SORT_1 next_38_arg_1 = state_18; // Assigning next states ... state_6 = next_30_arg_1; state_8 = next_35_arg_1; state_18 = next_37_arg_1; state_20 = next_38_arg_1; } return 0; }