// 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_Batch92no_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 signed char var_1_1 = 32; signed char var_1_2 = 2; signed char var_1_3 = 8; signed char var_1_4 = 0; signed char var_1_5 = 32; signed char var_1_6 = 10; signed long int var_1_7 = 1000000; signed long int var_1_8 = 16; signed long int var_1_9 = 15; signed short int var_1_10 = 500; unsigned short int var_1_11 = 8; unsigned char var_1_13 = 0; unsigned short int var_1_14 = 100; unsigned char var_1_15 = 0; unsigned char var_1_16 = 0; signed long int var_1_17 = 2; // Calibration values // Last'ed variables // Additional functions void initially(void) { } void step(void) { // From: Req1Batch92no_floats var_1_1 = ((var_1_2 + var_1_3) - (max (var_1_4 , (var_1_5 + var_1_6)))); // From: Req2Batch92no_floats signed long int stepLocal_0 = (~ var_1_5) * (var_1_6 & var_1_3); if (stepLocal_0 >= var_1_4) { var_1_7 = var_1_8; } else { var_1_7 = var_1_9; } // From: Req3Batch92no_floats var_1_10 = (abs (var_1_2)); // From: Req5Batch92no_floats signed long int stepLocal_1 = var_1_6 / var_1_14; if (stepLocal_1 < -100) { var_1_13 = (! (! (! var_1_15))); } else { var_1_13 = (var_1_15 && var_1_16); } // From: Req6Batch92no_floats var_1_17 = var_1_8; // From: Req4Batch92no_floats if (! var_1_13) { var_1_11 = (var_1_5 + ((max (var_1_6 , 1)) + 64)); } } void updateVariables() { var_1_2 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_2 >= 0); assume_abort_if_not(var_1_2 <= 63); var_1_3 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_3 >= 0); assume_abort_if_not(var_1_3 <= 63); var_1_4 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_4 >= 0); assume_abort_if_not(var_1_4 <= 126); var_1_5 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 63); var_1_6 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_6 >= 0); assume_abort_if_not(var_1_6 <= 63); var_1_8 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_8 >= -2147483648); assume_abort_if_not(var_1_8 <= 2147483647); var_1_9 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_9 >= -2147483648); assume_abort_if_not(var_1_9 <= 2147483647); var_1_14 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_14 >= 0); assume_abort_if_not(var_1_14 <= 65535); assume_abort_if_not(var_1_14 != 0); var_1_15 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_15 >= 0); assume_abort_if_not(var_1_15 <= 0); var_1_16 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_16 >= 0); assume_abort_if_not(var_1_16 <= 0); } void updateLastVariables() { } int property() { return (((((var_1_1 == ((signed char) ((var_1_2 + var_1_3) - (max (var_1_4 , (var_1_5 + var_1_6)))))) && ((((~ var_1_5) * (var_1_6 & var_1_3)) >= var_1_4) ? (var_1_7 == ((signed long int) var_1_8)) : (var_1_7 == ((signed long int) var_1_9)))) && (var_1_10 == ((signed short int) (abs (var_1_2))))) && ((! var_1_13) ? (var_1_11 == ((unsigned short int) (var_1_5 + ((max (var_1_6 , 1)) + 64)))) : 1)) && (((var_1_6 / var_1_14) < -100) ? (var_1_13 == ((unsigned char) (! (! (! var_1_15))))) : (var_1_13 == ((unsigned char) (var_1_15 && var_1_16))))) && (var_1_17 == ((signed long int) var_1_8)) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }