// 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_Batch12Amount10.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 char var_1_1 = 4; signed char var_1_4 = -1; signed char var_1_5 = 100; signed long int var_1_6 = 1000; double var_1_7 = 4.5; unsigned char var_1_8 = 1; unsigned char var_1_9 = 0; signed long int var_1_10 = 256; // Calibration values // Last'ed variables signed char last_1_var_1_1 = 4; // Additional functions void initially(void) { } void step(void) { // From: Req3Batch12Amount10 var_1_7 = 199.5; // From: Req4Batch12Amount10 var_1_8 = var_1_9; // From: Req5Batch12Amount10 var_1_10 = var_1_5; // From: Req1Batch12Amount10 signed long int stepLocal_0 = var_1_10; if (stepLocal_0 >= last_1_var_1_1) { var_1_1 = (abs (min (var_1_4 , var_1_5))); } // From: Req2Batch12Amount10 var_1_6 = (max (var_1_4 , var_1_1)); } void updateVariables() { var_1_4 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_4 >= -126); assume_abort_if_not(var_1_4 <= 126); var_1_5 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_5 >= -126); assume_abort_if_not(var_1_5 <= 126); var_1_9 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_9 >= 0); assume_abort_if_not(var_1_9 <= 0); } void updateLastVariables() { last_1_var_1_1 = var_1_1; } int property() { return (((((var_1_10 >= last_1_var_1_1) ? (var_1_1 == ((signed char) (abs (min (var_1_4 , var_1_5))))) : 1) && (var_1_6 == ((signed long int) (max (var_1_4 , var_1_1))))) && (var_1_7 == ((double) 199.5))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((signed long int) var_1_5)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }