// 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_Batch55has_floats.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_2 = 0; unsigned char var_1_5 = 0; double var_1_7 = 256.75; double var_1_8 = 63.5; double var_1_9 = 1.8; double var_1_10 = 0.25; double var_1_11 = 16.5; signed long int var_1_12 = -5; unsigned char var_1_14 = 128; float var_1_15 = 4.6; unsigned long int var_1_16 = 500; unsigned char var_1_17 = 2; unsigned char var_1_18 = 100; // Calibration values // Last'ed variables signed long int last_1_var_1_12 = -5; unsigned char last_1_var_1_17 = 2; // Additional functions void initially(void) { } void step(void) { // From: Req1Batch55has_floats unsigned char stepLocal_1 = last_1_var_1_12 >= last_1_var_1_17; signed long int stepLocal_0 = last_1_var_1_17; if (var_1_2) { if (stepLocal_1 && var_1_5) { if (last_1_var_1_12 >= stepLocal_0) { var_1_1 = 5; } else { var_1_1 = (min (25 , last_1_var_1_17)); } } } else { var_1_1 = last_1_var_1_17; } // From: Req2Batch55has_floats if (var_1_2) { var_1_7 = (((var_1_8 + var_1_9) + var_1_10) - var_1_11); } // From: Req4Batch55has_floats var_1_15 = var_1_8; // From: Req5Batch55has_floats var_1_16 = var_1_14; // From: Req6Batch55has_floats var_1_17 = var_1_18; // From: Req3Batch55has_floats signed long int stepLocal_3 = min ((-4 >> var_1_1) , var_1_1); signed long int stepLocal_2 = var_1_1 / -8; if ((~ var_1_17) <= stepLocal_3) { if ((var_1_14 - 64) < stepLocal_2) { var_1_12 = var_1_1; } } else { var_1_12 = (var_1_17 - var_1_14); } } void updateVariables() { var_1_2 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_2 >= 0); assume_abort_if_not(var_1_2 <= 1); var_1_5 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 1); var_1_8 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 2305843.009213691390e+12F && var_1_8 >= 1.0e-20F )); var_1_9 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 2305843.009213691390e+12F && var_1_9 >= 1.0e-20F )); var_1_10 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )); var_1_11 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )); var_1_14 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_14 >= 127); assume_abort_if_not(var_1_14 <= 255); var_1_18 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_18 >= 0); assume_abort_if_not(var_1_18 <= 254); } void updateLastVariables() { last_1_var_1_12 = var_1_12; last_1_var_1_17 = var_1_17; } int property() { return (((((var_1_2 ? (((last_1_var_1_12 >= last_1_var_1_17) && var_1_5) ? ((last_1_var_1_12 >= last_1_var_1_17) ? (var_1_1 == ((unsigned short int) 5)) : (var_1_1 == ((unsigned short int) (min (25 , last_1_var_1_17))))) : 1) : (var_1_1 == ((unsigned short int) last_1_var_1_17))) && (var_1_2 ? (var_1_7 == ((double) (((var_1_8 + var_1_9) + var_1_10) - var_1_11))) : 1)) && (((~ var_1_17) <= (min ((-4 >> var_1_1) , var_1_1))) ? (((var_1_14 - 64) < (var_1_1 / -8)) ? (var_1_12 == ((signed long int) var_1_1)) : 1) : (var_1_12 == ((signed long int) (var_1_17 - var_1_14))))) && (var_1_15 == ((float) var_1_8))) && (var_1_16 == ((unsigned long int) var_1_14))) && (var_1_17 == ((unsigned char) var_1_18)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }