// 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", "sw_ball2004_1.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_23; // BV with 3 bits const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 3); const SORT_23 msb_SORT_23 = (SORT_23)1 << (3 - 1); // Initializing constants ... const SORT_1 var_3 = 0; const SORT_1 var_9 = 1; // Collecting input declarations ... SORT_1 input_2; // Collecting state declarations ... SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; SORT_23 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_23; SORT_23 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_23; SORT_23 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_23; // Initializing states ... SORT_1 init_5_arg_1 = var_3; state_4 = init_5_arg_1; SORT_1 init_14_arg_1 = var_9; state_13 = init_14_arg_1; SORT_1 init_16_arg_1 = var_3; state_15 = init_16_arg_1; SORT_1 init_18_arg_1 = var_3; state_17 = init_18_arg_1; SORT_1 init_20_arg_1 = var_3; state_19 = init_20_arg_1; SORT_1 init_22_arg_1 = var_9; state_21 = init_22_arg_1; for (;;) { // Getting external input values ... input_2 = __VERIFIER_nondet_uchar(); // Assuming invariants ... // Asserting properties ... SORT_1 var_6_arg_0 = state_4; SORT_1 var_6 = ~var_6_arg_0; SORT_1 var_10_arg_0 = var_6; SORT_1 var_10 = ~var_10_arg_0; SORT_1 var_11_arg_0 = var_9; SORT_1 var_11_arg_1 = var_10; SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; var_11 = var_11 & mask_SORT_1; SORT_1 bad_12_arg_0 = var_11; __VERIFIER_assert(!(bad_12_arg_0)); // Computing next states ... SORT_23 var_28_arg_0 = state_24; SORT_23 var_28_arg_1 = state_26; SORT_1 var_28 = var_28_arg_0 < var_28_arg_1; SORT_1 var_29_arg_0 = var_28; SORT_1 var_29 = ~var_29_arg_0; SORT_1 var_30_arg_0 = state_17; SORT_1 var_30_arg_1 = var_29; SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; SORT_1 var_31_arg_0 = state_4; SORT_1 var_31_arg_1 = var_30; SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; SORT_1 var_32_arg_0 = state_21; SORT_1 var_32_arg_1 = var_31; SORT_1 var_32_arg_2 = state_4; SORT_1 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; SORT_1 next_33_arg_1 = var_32; SORT_1 var_34_arg_0 = state_21; SORT_1 var_34_arg_1 = var_3; SORT_1 var_34_arg_2 = state_13; SORT_1 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; SORT_1 next_35_arg_1 = var_34; SORT_23 var_36_arg_0 = state_24; SORT_23 var_36_arg_1 = state_25; SORT_1 var_36 = var_36_arg_0 < var_36_arg_1; SORT_1 var_37_arg_0 = state_13; SORT_1 var_37_arg_1 = var_36; SORT_1 var_37 = var_37_arg_0 & var_37_arg_1; SORT_1 var_38_arg_0 = state_21; SORT_1 var_38_arg_1 = var_37; SORT_1 var_38_arg_2 = state_15; SORT_1 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; SORT_1 next_39_arg_1 = var_38; SORT_23 var_40_arg_0 = state_25; SORT_23 var_40_arg_1 = state_26; SORT_1 var_40 = var_40_arg_0 < var_40_arg_1; SORT_1 var_41_arg_0 = state_15; SORT_1 var_41_arg_1 = var_40; SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; SORT_1 var_42_arg_0 = state_21; SORT_1 var_42_arg_1 = var_41; SORT_1 var_42_arg_2 = state_17; SORT_1 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; SORT_1 next_43_arg_1 = var_42; SORT_23 var_44_arg_0 = state_24; SORT_23 var_44_arg_1 = state_25; SORT_1 var_44 = var_44_arg_0 < var_44_arg_1; SORT_1 var_45_arg_0 = var_44; SORT_1 var_45 = ~var_45_arg_0; SORT_1 var_46_arg_0 = state_13; SORT_1 var_46_arg_1 = var_45; SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; SORT_1 var_47_arg_0 = state_19; SORT_1 var_47_arg_1 = var_46; SORT_1 var_47 = var_47_arg_0 | var_47_arg_1; SORT_23 var_48_arg_0 = state_25; SORT_23 var_48_arg_1 = state_26; SORT_1 var_48 = var_48_arg_0 < var_48_arg_1; SORT_1 var_49_arg_0 = var_48; SORT_1 var_49 = ~var_49_arg_0; SORT_1 var_50_arg_0 = state_15; SORT_1 var_50_arg_1 = var_49; SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; SORT_1 var_51_arg_0 = var_47; SORT_1 var_51_arg_1 = var_50; SORT_1 var_51 = var_51_arg_0 | var_51_arg_1; SORT_23 var_52_arg_0 = state_24; SORT_23 var_52_arg_1 = state_26; SORT_1 var_52 = var_52_arg_0 < var_52_arg_1; SORT_1 var_53_arg_0 = state_17; SORT_1 var_53_arg_1 = var_52; SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; SORT_1 var_54_arg_0 = var_51; SORT_1 var_54_arg_1 = var_53; SORT_1 var_54 = var_54_arg_0 | var_54_arg_1; SORT_1 var_55_arg_0 = state_21; SORT_1 var_55_arg_1 = var_54; SORT_1 var_55_arg_2 = state_19; SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; SORT_1 next_56_arg_1 = var_55; SORT_1 var_57_arg_0 = state_15; SORT_1 var_57 = ~var_57_arg_0; SORT_1 var_58_arg_0 = state_13; SORT_1 var_58_arg_1 = var_57; SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; SORT_1 var_59_arg_0 = state_17; SORT_1 var_59 = ~var_59_arg_0; SORT_1 var_60_arg_0 = var_58; SORT_1 var_60_arg_1 = var_59; SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; SORT_1 var_61_arg_0 = state_4; SORT_1 var_61 = ~var_61_arg_0; SORT_1 var_62_arg_0 = var_60; SORT_1 var_62_arg_1 = var_61; SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; SORT_1 var_63_arg_0 = state_19; SORT_1 var_63 = ~var_63_arg_0; SORT_1 var_64_arg_0 = var_62; SORT_1 var_64_arg_1 = var_63; SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; SORT_1 var_65_arg_0 = state_13; SORT_1 var_65 = ~var_65_arg_0; SORT_1 var_66_arg_0 = var_65; SORT_1 var_66_arg_1 = state_15; SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; SORT_1 var_67_arg_0 = state_17; SORT_1 var_67 = ~var_67_arg_0; SORT_1 var_68_arg_0 = var_66; SORT_1 var_68_arg_1 = var_67; SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; SORT_1 var_69_arg_0 = state_4; SORT_1 var_69 = ~var_69_arg_0; SORT_1 var_70_arg_0 = var_68; SORT_1 var_70_arg_1 = var_69; SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; SORT_1 var_71_arg_0 = state_19; SORT_1 var_71 = ~var_71_arg_0; SORT_1 var_72_arg_0 = var_70; SORT_1 var_72_arg_1 = var_71; SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; SORT_1 var_73_arg_0 = var_64; SORT_1 var_73_arg_1 = var_72; SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; SORT_1 var_74_arg_0 = state_13; SORT_1 var_74 = ~var_74_arg_0; SORT_1 var_75_arg_0 = state_15; SORT_1 var_75 = ~var_75_arg_0; SORT_1 var_76_arg_0 = var_74; SORT_1 var_76_arg_1 = var_75; SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; SORT_1 var_77_arg_0 = var_76; SORT_1 var_77_arg_1 = state_17; SORT_1 var_77 = var_77_arg_0 & var_77_arg_1; SORT_1 var_78_arg_0 = state_4; SORT_1 var_78 = ~var_78_arg_0; SORT_1 var_79_arg_0 = var_77; SORT_1 var_79_arg_1 = var_78; SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; SORT_1 var_80_arg_0 = state_19; SORT_1 var_80 = ~var_80_arg_0; SORT_1 var_81_arg_0 = var_79; SORT_1 var_81_arg_1 = var_80; SORT_1 var_81 = var_81_arg_0 & var_81_arg_1; SORT_1 var_82_arg_0 = var_73; SORT_1 var_82_arg_1 = var_81; SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; SORT_1 var_83_arg_0 = state_13; SORT_1 var_83 = ~var_83_arg_0; SORT_1 var_84_arg_0 = state_15; SORT_1 var_84 = ~var_84_arg_0; SORT_1 var_85_arg_0 = var_83; SORT_1 var_85_arg_1 = var_84; SORT_1 var_85 = var_85_arg_0 & var_85_arg_1; SORT_1 var_86_arg_0 = state_17; SORT_1 var_86 = ~var_86_arg_0; SORT_1 var_87_arg_0 = var_85; SORT_1 var_87_arg_1 = var_86; SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; SORT_1 var_88_arg_0 = var_87; SORT_1 var_88_arg_1 = state_4; SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; SORT_1 var_89_arg_0 = state_19; SORT_1 var_89 = ~var_89_arg_0; SORT_1 var_90_arg_0 = var_88; SORT_1 var_90_arg_1 = var_89; SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; SORT_1 var_91_arg_0 = var_82; SORT_1 var_91_arg_1 = var_90; SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; SORT_1 var_92_arg_0 = state_13; SORT_1 var_92 = ~var_92_arg_0; SORT_1 var_93_arg_0 = state_15; SORT_1 var_93 = ~var_93_arg_0; SORT_1 var_94_arg_0 = var_92; SORT_1 var_94_arg_1 = var_93; SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; SORT_1 var_95_arg_0 = state_17; SORT_1 var_95 = ~var_95_arg_0; SORT_1 var_96_arg_0 = var_94; SORT_1 var_96_arg_1 = var_95; SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; SORT_1 var_97_arg_0 = state_4; SORT_1 var_97 = ~var_97_arg_0; SORT_1 var_98_arg_0 = var_96; SORT_1 var_98_arg_1 = var_97; SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; SORT_1 var_99_arg_0 = var_98; SORT_1 var_99_arg_1 = state_19; SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; SORT_1 var_100_arg_0 = var_91; SORT_1 var_100_arg_1 = var_99; SORT_1 var_100 = var_100_arg_0 | var_100_arg_1; var_100 = var_100 & mask_SORT_1; SORT_1 next_101_arg_1 = var_100; SORT_23 next_102_arg_1 = state_24; SORT_23 next_103_arg_1 = state_25; SORT_23 next_104_arg_1 = state_26; // Assigning next states ... state_4 = next_33_arg_1; state_13 = next_35_arg_1; state_15 = next_39_arg_1; state_17 = next_43_arg_1; state_19 = next_56_arg_1; state_21 = next_101_arg_1; state_24 = next_102_arg_1; state_25 = next_103_arg_1; state_26 = next_104_arg_1; } return 0; }