// 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_Batch4Amount10.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 long int var_1_1 = -16; signed short int var_1_2 = 16; signed short int var_1_3 = 25; signed long int var_1_4 = -32; unsigned char var_1_5 = 1; float var_1_6 = 0.6599999999999999; float var_1_7 = 256.6; // Calibration values // Last'ed variables // Additional functions void initially(void) { } void step(void) { // From: Req1Batch4Amount10 if (var_1_2 <= var_1_3) { var_1_1 = (min (var_1_2 , (var_1_3 + -50))); } else { var_1_1 = (max (var_1_4 , (min (var_1_3 , var_1_2)))); } // From: Req2Batch4Amount10 var_1_5 = 0; // From: Req3Batch4Amount10 var_1_6 = 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_3 = __VERIFIER_nondet_short(); assume_abort_if_not(var_1_3 >= -32768); assume_abort_if_not(var_1_3 <= 32767); var_1_4 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_4 >= -2147483647); assume_abort_if_not(var_1_4 <= 2147483646); var_1_7 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )); } void updateLastVariables() { } int property() { return (((var_1_2 <= var_1_3) ? (var_1_1 == ((signed long int) (min (var_1_2 , (var_1_3 + -50))))) : (var_1_1 == ((signed long int) (max (var_1_4 , (min (var_1_3 , var_1_2))))))) && (var_1_5 == ((unsigned char) 0))) && (var_1_6 == ((float) var_1_7)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }