// 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_Batch24Amount10.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 short int var_1_1 = 10; signed short int var_1_2 = -5; signed short int var_1_4 = -50; unsigned char var_1_5 = 1; signed short int var_1_6 = 4; unsigned short int var_1_7 = 128; // Calibration values // Last'ed variables unsigned short int last_1_var_1_1 = 10; // Additional functions void initially(void) { } void step(void) { // From: Req1Batch24Amount10 if (var_1_2 >= (last_1_var_1_1 * var_1_4)) { if (! var_1_5) { if (var_1_2 < ((last_1_var_1_1 / var_1_6) / -16)) { var_1_1 = var_1_7; } } } else { var_1_1 = var_1_7; } } void updateVariables() { var_1_2 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_2 >= -32768); assume_abort_if_not(var_1_2 <= 32767); var_1_4 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_4 >= -32768); assume_abort_if_not(var_1_4 <= 32767); var_1_5 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 1); var_1_6 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_6 >= -32768); assume_abort_if_not(var_1_6 <= 32767); assume_abort_if_not(var_1_6 != 0); var_1_7 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_7 >= 0); assume_abort_if_not(var_1_7 <= 65534); } void updateLastVariables() { last_1_var_1_1 = var_1_1; } int property() { return (var_1_2 >= (last_1_var_1_1 * var_1_4)) ? ((! var_1_5) ? ((var_1_2 < ((last_1_var_1_1 / var_1_6) / -16)) ? (var_1_1 == ((unsigned short int) var_1_7)) : 1) : 1) : (var_1_1 == ((unsigned short int) var_1_7)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }