// 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_Batch89Amount10.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; unsigned char var_1_3 = 0; unsigned short int var_1_4 = 4; unsigned short int var_1_5 = 8; signed char var_1_6 = 16; signed char var_1_7 = 32; signed char var_1_8 = 5; signed char var_1_9 = 64; // Calibration values // Last'ed variables // Additional functions void initially(void) { } void step(void) { // From: Req2Batch89Amount10 var_1_6 = ((min (var_1_7 , var_1_8)) - (var_1_9 - 25)); // From: Req1Batch89Amount10 unsigned char stepLocal_0 = var_1_3; if ((-50 < var_1_6) || stepLocal_0) { var_1_1 = (min ((abs (var_1_4)) , var_1_5)); } } void updateVariables() { var_1_3 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_3 >= 0); assume_abort_if_not(var_1_3 <= 1); var_1_4 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_4 >= 0); assume_abort_if_not(var_1_4 <= 65534); var_1_5 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 65534); var_1_7 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_7 >= -1); assume_abort_if_not(var_1_7 <= 126); var_1_8 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_8 >= -1); assume_abort_if_not(var_1_8 <= 126); var_1_9 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_9 >= 63); assume_abort_if_not(var_1_9 <= 126); } void updateLastVariables() { } int property() { return (((-50 < var_1_6) || var_1_3) ? (var_1_1 == ((unsigned short int) (min ((abs (var_1_4)) , var_1_5)))) : 1) && (var_1_6 == ((signed char) ((min (var_1_7 , var_1_8)) - (var_1_9 - 25)))) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }