// This file is part of the SV-Benchmarks collection of verification tasks: // https://gitlab.com/sosy-lab/benchmarking/sv-benchmarks // // SPDX-FileCopyrightText: 2022 Jana (Philipp) Berger // // SPDX-License-Identifier: GPL-3.0-or-later // Prototype declarations of the functions used to communicate with the model checkers extern unsigned long __VERIFIER_nondet_ulong(); extern long __VERIFIER_nondet_long(); extern unsigned char __VERIFIER_nondet_uchar(); extern char __VERIFIER_nondet_char(); extern unsigned short __VERIFIER_nondet_ushort(); extern short __VERIFIER_nondet_short(); extern float __VERIFIER_nondet_float(); extern double __VERIFIER_nondet_double(); extern void abort(void); extern void __assert_fail(const char *, const char *, unsigned int, const char *) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__noreturn__)); void reach_error() { __assert_fail("0", "Req1_Prop1_Batch58has_floats.c", 13, "reach_error"); } void __VERIFIER_assert(int cond) { if(!(cond)) { ERROR: {reach_error();abort();} } return; } void assume_abort_if_not(int cond) { if(!cond) { abort(); } } #define max(a,b) (((a) > (b)) ? (a) : (b)) #define min(a,b) (((a) < (b)) ? (a) : (b)) #define abs(a) (((a) < 0 ) ? -(a) : (a)) // Function prototypes // Internal control logic variables unsigned char isInitial = 0; // Signal variables unsigned char var_1_1 = 64; unsigned char var_1_3 = 25; unsigned char var_1_4 = 100; unsigned char var_1_5 = 200; unsigned char var_1_6 = 10; signed short int var_1_7 = -5; signed long int var_1_8 = -16; unsigned char var_1_9 = 1; unsigned long int var_1_10 = 16; unsigned long int var_1_11 = 3774350958; unsigned char var_1_12 = 64; // Calibration values // Last'ed variables // Additional functions void initially(void) { } void step(void) { // From: Req3Batch58has_floats signed long int stepLocal_4 = var_1_8; if (var_1_3 >= stepLocal_4) { var_1_10 = (var_1_11 - var_1_3); } // From: Req4Batch58has_floats var_1_12 = var_1_6; // From: Req1Batch58has_floats signed long int stepLocal_1 = (var_1_5 - 2) - var_1_6; signed long int stepLocal_0 = -256; if (var_1_10 <= stepLocal_0) { var_1_1 = (min (var_1_3 , ((var_1_4 - 8) + 5))); } else { if (var_1_4 <= stepLocal_1) { var_1_1 = var_1_3; } else { var_1_1 = var_1_6; } } // From: Req2Batch58has_floats signed long int stepLocal_3 = (var_1_5 + var_1_4) / var_1_8; unsigned char stepLocal_2 = var_1_3 <= var_1_8; if (var_1_10 < stepLocal_3) { if (var_1_9 && stepLocal_2) { var_1_7 = (var_1_4 + (abs (max (var_1_10 , var_1_3)))); } else { var_1_7 = var_1_6; } } else { var_1_7 = var_1_4; } } void updateVariables() { var_1_3 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_3 >= 0); assume_abort_if_not(var_1_3 <= 254); var_1_4 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_4 >= 63); assume_abort_if_not(var_1_4 <= 127); var_1_5 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_5 >= 191); assume_abort_if_not(var_1_5 <= 255); var_1_6 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_6 >= 0); assume_abort_if_not(var_1_6 <= 127); var_1_8 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_8 >= -2147483648); assume_abort_if_not(var_1_8 <= 2147483647); assume_abort_if_not(var_1_8 != 0); var_1_9 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_9 >= 0); assume_abort_if_not(var_1_9 <= 1); var_1_11 = __VERIFIER_nondet_ulong(); assume_abort_if_not(var_1_11 >= 2147483647); assume_abort_if_not(var_1_11 <= 4294967294); } void updateLastVariables() { } int property() { return ((((var_1_10 <= -256) ? (var_1_1 == ((unsigned char) (min (var_1_3 , ((var_1_4 - 8) + 5))))) : ((var_1_4 <= ((var_1_5 - 2) - var_1_6)) ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_6)))) && ((var_1_10 < ((var_1_5 + var_1_4) / var_1_8)) ? ((var_1_9 && (var_1_3 <= var_1_8)) ? (var_1_7 == ((signed short int) (var_1_4 + (abs (max (var_1_10 , var_1_3)))))) : (var_1_7 == ((signed short int) var_1_6))) : (var_1_7 == ((signed short int) var_1_4)))) && ((var_1_3 >= var_1_8) ? (var_1_10 == ((unsigned long int) (var_1_11 - var_1_3))) : 1)) && (var_1_12 == ((unsigned char) var_1_6)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }