// 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_Batch4625_1loop.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 char var_1_1 = 1; double var_1_2 = 31.75; signed char var_1_4 = -8; unsigned char var_1_6 = 0; unsigned char var_1_7 = 1; unsigned char var_1_8 = 16; unsigned char var_1_9 = 8; signed long int var_1_10 = 256; // Calibration values // Last'ed variables signed long int last_1_var_1_10 = 256; // Additional functions void initially(void) { } void step(void) { // From: Req2Batch4625_1loop signed char stepLocal_3 = var_1_4; unsigned char stepLocal_2 = var_1_7; if (2 != stepLocal_3) { var_1_8 = var_1_9; } else { if ((var_1_9 <= last_1_var_1_10) && stepLocal_2) { var_1_8 = 128; } else { var_1_8 = var_1_9; } } // From: Req1Batch4625_1loop signed long int stepLocal_1 = var_1_8 / var_1_4; signed long int stepLocal_0 = min (var_1_4 , var_1_8); if ((- var_1_2) >= 16.75) { if (stepLocal_1 >= var_1_8) { if (stepLocal_0 > -32) { var_1_1 = 0; } else { var_1_1 = var_1_6; } } else { var_1_1 = var_1_7; } } else { var_1_1 = var_1_6; } // From: Req3Batch4625_1loop signed long int stepLocal_4 = var_1_8 * var_1_8; if (0 > stepLocal_4) { if (var_1_1) { var_1_10 = 5; } } } void updateVariables() { var_1_2 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )); var_1_4 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_4 >= -128); assume_abort_if_not(var_1_4 <= 127); assume_abort_if_not(var_1_4 != 0); var_1_6 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_6 >= 0); assume_abort_if_not(var_1_6 <= 0); var_1_7 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_7 >= 1); assume_abort_if_not(var_1_7 <= 1); var_1_9 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_9 >= 0); assume_abort_if_not(var_1_9 <= 254); } void updateLastVariables() { last_1_var_1_10 = var_1_10; } int property() { return ((((- var_1_2) >= 16.75) ? (((var_1_8 / var_1_4) >= var_1_8) ? (((min (var_1_4 , var_1_8)) > -32) ? (var_1_1 == ((unsigned char) 0)) : (var_1_1 == ((unsigned char) var_1_6))) : (var_1_1 == ((unsigned char) var_1_7))) : (var_1_1 == ((unsigned char) var_1_6))) && ((2 != var_1_4) ? (var_1_8 == ((unsigned char) var_1_9)) : (((var_1_9 <= last_1_var_1_10) && var_1_7) ? (var_1_8 == ((unsigned char) 128)) : (var_1_8 == ((unsigned char) var_1_9))))) && ((0 > (var_1_8 * var_1_8)) ? (var_1_1 ? (var_1_10 == ((signed long int) 5)) : 1) : 1) ; } int main(void) { isInitial = 1; initially(); int k_loop; for (k_loop = 0; k_loop < 1; k_loop++) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }