// 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_Batch20stepLocals.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 = 5; unsigned char var_1_2 = 0; unsigned char var_1_3 = 128; unsigned char var_1_4 = 2; unsigned char var_1_5 = 2; unsigned char var_1_6 = 32; signed long int var_1_7 = 128; unsigned short int var_1_8 = 100; float var_1_9 = 255.75; signed char var_1_10 = 64; signed char var_1_11 = 32; signed char var_1_12 = 4; float var_1_13 = 0.0; float var_1_14 = 7.25; float var_1_15 = 8.125; float var_1_16 = 24.5; signed short int var_1_17 = -256; double var_1_18 = 31.5; // Calibration values // Last'ed variables // Additional functions void initially(void) { } void step(void) { // From: Req1Batch20stepLocals if (var_1_2) { var_1_1 = (var_1_3 - var_1_4); } else { var_1_1 = (var_1_4 + var_1_5); } // From: Req2Batch20stepLocals signed long int stepLocal_0 = var_1_1 - (var_1_4 + var_1_7); if ((64 + (var_1_5 / var_1_3)) != stepLocal_0) { var_1_6 = var_1_4; } else { var_1_6 = 128; } // From: Req3Batch20stepLocals signed long int stepLocal_1 = var_1_3 - var_1_5; if ((var_1_6 + var_1_1) >= stepLocal_1) { var_1_8 = (max (var_1_1 , var_1_3)); } else { var_1_8 = var_1_1; } // From: Req4Batch20stepLocals if (((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) { var_1_9 = (64.8f - (var_1_13 - var_1_14)); } else { var_1_9 = var_1_13; } // From: Req5Batch20stepLocals var_1_15 = (var_1_14 + var_1_16); // From: Req6Batch20stepLocals if (var_1_2) { var_1_17 = (var_1_3 + var_1_12); } else { if (var_1_14 == ((min (99.8f , var_1_16)) / (max (255.6f , var_1_13)))) { var_1_17 = var_1_4; } else { var_1_17 = (var_1_5 - var_1_3); } } // From: Req7Batch20stepLocals if ((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) { if ((var_1_11 << var_1_12) > var_1_5) { var_1_18 = var_1_13; } } else { var_1_18 = var_1_16; } } 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_3 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_3 >= 127); assume_abort_if_not(var_1_3 <= 254); var_1_4 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_4 >= 0); assume_abort_if_not(var_1_4 <= 127); var_1_5 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_5 >= 0); assume_abort_if_not(var_1_5 <= 127); var_1_7 = __VERIFIER_nondet_long(); assume_abort_if_not(var_1_7 >= 0); assume_abort_if_not(var_1_7 <= 1073741823); var_1_10 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_10 >= 63); assume_abort_if_not(var_1_10 <= 127); var_1_11 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_11 >= 0); assume_abort_if_not(var_1_11 <= 64); var_1_12 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_12 >= 0); assume_abort_if_not(var_1_12 <= 63); var_1_13 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_13 >= 4611686.018427382800e+12F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )); var_1_14 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )); var_1_16 = __VERIFIER_nondet_float(); assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )); } void updateLastVariables() { } int property() { return ((((((var_1_2 ? (var_1_1 == ((unsigned char) (var_1_3 - var_1_4))) : (var_1_1 == ((unsigned char) (var_1_4 + var_1_5)))) && (((64 + (var_1_5 / var_1_3)) != (var_1_1 - (var_1_4 + var_1_7))) ? (var_1_6 == ((unsigned char) var_1_4)) : (var_1_6 == ((unsigned char) 128)))) && (((var_1_6 + var_1_1) >= (var_1_3 - var_1_5)) ? (var_1_8 == ((unsigned short int) (max (var_1_1 , var_1_3)))) : (var_1_8 == ((unsigned short int) var_1_1)))) && ((((var_1_10 - var_1_11) - (16 + var_1_12)) != var_1_5) ? (var_1_9 == ((float) (64.8f - (var_1_13 - var_1_14)))) : (var_1_9 == ((float) var_1_13)))) && (var_1_15 == ((float) (var_1_14 + var_1_16)))) && (var_1_2 ? (var_1_17 == ((signed short int) (var_1_3 + var_1_12))) : ((var_1_14 == ((min (99.8f , var_1_16)) / (max (255.6f , var_1_13)))) ? (var_1_17 == ((signed short int) var_1_4)) : (var_1_17 == ((signed short int) (var_1_5 - var_1_3)))))) && (((var_1_2 || (var_1_16 > var_1_13)) && (var_1_3 < var_1_8)) ? (((var_1_11 << var_1_12) > var_1_5) ? (var_1_18 == ((double) var_1_13)) : 1) : (var_1_18 == ((double) var_1_16))) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }