// 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_Batch51Amount10.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 = 25; signed short int var_1_3 = 64; signed short int var_1_4 = 50; signed char var_1_7 = 0; // Calibration values // Last'ed variables // Additional functions void initially(void) { } void step(void) { // From: Req2Batch51Amount10 var_1_7 = 25; // From: Req1Batch51Amount10 signed long int stepLocal_0 = -8; if (var_1_7 < stepLocal_0) { var_1_1 = (var_1_3 - var_1_4); } else { var_1_1 = (min ((max ((max (var_1_3 , var_1_4)) , (var_1_7 + var_1_7))) , var_1_7)); } } void updateVariables() { var_1_3 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_3 >= -1); assume_abort_if_not(var_1_3 <= 32766); var_1_4 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_4 >= 0); assume_abort_if_not(var_1_4 <= 32766); } void updateLastVariables() { } int property() { return ((var_1_7 < -8) ? (var_1_1 == ((signed short int) (var_1_3 - var_1_4))) : (var_1_1 == ((signed short int) (min ((max ((max (var_1_3 , var_1_4)) , (var_1_7 + var_1_7))) , var_1_7))))) && (var_1_7 == ((signed char) 25)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }