// 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_Batch84has_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 = 128; unsigned char var_1_4 = 25; unsigned char var_1_5 = 64; unsigned char var_1_6 = 8; unsigned char var_1_7 = 0; unsigned short int var_1_8 = 64; unsigned char var_1_9 = 1; unsigned short int var_1_10 = 27843; signed short int var_1_11 = -4; unsigned char var_1_13 = 128; unsigned char var_1_14 = 5; signed short int var_1_15 = 28020; signed short int var_1_16 = 128; float var_1_17 = 1000000000.926; float var_1_18 = 1000000.6; // Calibration values // Last'ed variables unsigned short int last_1_var_1_8 = 64; signed short int last_1_var_1_11 = -4; // Additional functions void initially(void) { } void step(void) { // From: Req1Batch84has_floats signed long int stepLocal_0 = last_1_var_1_11; if (stepLocal_0 != last_1_var_1_8) { var_1_1 = (var_1_4 + (max ((min (var_1_5 , var_1_6)) , var_1_7))); } else { var_1_1 = var_1_4; } // From: Req2Batch84has_floats if (var_1_9) { var_1_8 = ((var_1_10 + 23103) - (32 + var_1_6)); } // From: Req4Batch84has_floats if (! (var_1_5 > var_1_10)) { var_1_16 = (32 - 8); } else { var_1_16 = (var_1_13 - var_1_4); } // From: Req5Batch84has_floats var_1_17 = var_1_18; // From: Req3Batch84has_floats if (var_1_1 < var_1_16) { if (((- 8) / (var_1_13 - var_1_14)) >= var_1_6) { var_1_11 = (var_1_16 - (var_1_15 - var_1_14)); } } } void updateVariables() { var_1_4 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_4 >= 0); assume_abort_if_not(var_1_4 <= 127); var_1_5 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 127); var_1_6 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_6 >= 0); assume_abort_if_not(var_1_6 <= 127); var_1_7 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_7 >= 0); assume_abort_if_not(var_1_7 <= 127); var_1_9 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_9 >= 0); assume_abort_if_not(var_1_9 <= 1); var_1_10 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_10 >= 16383); assume_abort_if_not(var_1_10 <= 32767); var_1_13 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_13 >= 127); assume_abort_if_not(var_1_13 <= 255); var_1_14 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_14 >= 1); assume_abort_if_not(var_1_14 <= 126); assume_abort_if_not(var_1_14 != 127); var_1_15 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_15 >= 16383); assume_abort_if_not(var_1_15 <= 32766); var_1_18 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )); } void updateLastVariables() { last_1_var_1_8 = var_1_8; last_1_var_1_11 = var_1_11; } int property() { return (((((last_1_var_1_11 != last_1_var_1_8) ? (var_1_1 == ((unsigned char) (var_1_4 + (max ((min (var_1_5 , var_1_6)) , var_1_7))))) : (var_1_1 == ((unsigned char) var_1_4))) && (var_1_9 ? (var_1_8 == ((unsigned short int) ((var_1_10 + 23103) - (32 + var_1_6)))) : 1)) && ((var_1_1 < var_1_16) ? ((((- 8) / (var_1_13 - var_1_14)) >= var_1_6) ? (var_1_11 == ((signed short int) (var_1_16 - (var_1_15 - var_1_14)))) : 1) : 1)) && ((! (var_1_5 > var_1_10)) ? (var_1_16 == ((signed short int) (32 - 8))) : (var_1_16 == ((signed short int) (var_1_13 - var_1_4))))) && (var_1_17 == ((float) var_1_18)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }