// 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_Batch33has_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 signed short int var_1_1 = -10; signed short int var_1_5 = 4; unsigned char var_1_7 = 200; unsigned char var_1_8 = 32; float var_1_9 = 256.5; float var_1_10 = -0.25; float var_1_11 = 0.30000000000000004; float var_1_12 = 49.5; signed long int var_1_13 = -8; unsigned char var_1_14 = 0; float var_1_15 = 0.4; signed long int var_1_16 = -256; // Calibration values // Last'ed variables signed long int last_1_var_1_13 = -8; // Additional functions void initially(void) { } void step(void) { // From: Req2Batch33has_floats if (var_1_5 < last_1_var_1_13) { var_1_7 = (var_1_8 + 1); } // From: Req6Batch33has_floats var_1_16 = var_1_7; // From: Req4Batch33has_floats unsigned char stepLocal_1 = var_1_7; if (! var_1_14) { var_1_13 = var_1_8; } else { if (stepLocal_1 > (var_1_7 + var_1_7)) { var_1_13 = var_1_7; } else { var_1_13 = var_1_16; } } // From: Req5Batch33has_floats var_1_15 = var_1_11; // From: Req1Batch33has_floats signed long int stepLocal_0 = (var_1_13 ^ var_1_7) + var_1_16; if (stepLocal_0 < -1) { var_1_1 = 8; } else { var_1_1 = (128 - (var_1_7 + var_1_7)); } // From: Req3Batch33has_floats if (var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) { var_1_9 = (abs (var_1_10 + (var_1_11 - var_1_12))); } } void updateVariables() { var_1_5 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 16383); var_1_8 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_8 >= 0); assume_abort_if_not(var_1_8 <= 127); var_1_10 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_10 >= -461168.6018427382800e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )); var_1_11 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )); var_1_12 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )); var_1_14 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_14 >= 0); assume_abort_if_not(var_1_14 <= 1); } void updateLastVariables() { last_1_var_1_13 = var_1_13; } int property() { return ((((((((var_1_13 ^ var_1_7) + var_1_16) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (var_1_7 + var_1_7))))) && ((var_1_5 < last_1_var_1_13) ? (var_1_7 == ((unsigned char) (var_1_8 + 1))) : 1)) && ((var_1_7 < (var_1_13 & (var_1_7 | var_1_16))) ? (var_1_9 == ((float) (abs (var_1_10 + (var_1_11 - var_1_12))))) : 1)) && ((! var_1_14) ? (var_1_13 == ((signed long int) var_1_8)) : ((var_1_7 > (var_1_7 + var_1_7)) ? (var_1_13 == ((signed long int) var_1_7)) : (var_1_13 == ((signed long int) var_1_16))))) && (var_1_15 == ((float) var_1_11))) && (var_1_16 == ((signed long int) var_1_7)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }