// 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_Batch2150_while.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 = 10; signed char var_1_3 = 1; signed char var_1_4 = 100; signed char var_1_5 = 5; signed char var_1_6 = 32; signed char var_1_7 = 32; unsigned short int var_1_8 = 8; unsigned short int var_1_10 = 21451; unsigned char var_1_12 = 8; unsigned short int var_1_13 = 16; unsigned short int var_1_16 = 53444; unsigned char var_1_17 = 0; unsigned char var_1_18 = 0; double var_1_19 = 1.2; signed char var_1_20 = 1; double var_1_21 = 10.5; double var_1_22 = 0.0; double var_1_23 = 10.4; double var_1_24 = 50.5; unsigned short int var_1_25 = 2; // Calibration values // Last'ed variables unsigned short int last_1_var_1_8 = 8; unsigned char last_1_var_1_12 = 8; unsigned short int last_1_var_1_13 = 16; unsigned char last_1_var_1_17 = 0; unsigned short int last_1_var_1_25 = 2; // Additional functions void initially(void) { } void step(void) { // From: Req7Batch2150_while if ((last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17) { var_1_25 = ((max (last_1_var_1_12 , last_1_var_1_12)) + var_1_7); } else { var_1_25 = var_1_7; } // From: Req3Batch2150_while signed long int stepLocal_1 = last_1_var_1_13; if (last_1_var_1_13 == stepLocal_1) { var_1_12 = (abs (var_1_7)); } // From: Req2Batch2150_while var_1_8 = (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12)); // From: Req1Batch2150_while signed long int stepLocal_0 = -1000000; if (var_1_8 >= stepLocal_0) { var_1_1 = (min (var_1_3 , var_1_4)); } else { var_1_1 = (var_1_5 - ((var_1_6 - 8) + var_1_7)); } // From: Req6Batch2150_while signed char stepLocal_3 = var_1_1; if (stepLocal_3 >= (var_1_5 - var_1_20)) { var_1_19 = ((min (var_1_21 , (var_1_22 - var_1_23))) - var_1_24); } // From: Req5Batch2150_while if ((min ((max (last_1_var_1_12 , var_1_6)) , last_1_var_1_8)) > (var_1_3 * last_1_var_1_25)) { var_1_17 = var_1_18; } // From: Req4Batch2150_while unsigned short int stepLocal_2 = var_1_25; if (var_1_17) { if (((var_1_10 + var_1_12) << var_1_5) < stepLocal_2) { var_1_13 = (min (var_1_7 , (max (var_1_12 , (min (var_1_12 , var_1_6)))))); } else { var_1_13 = (var_1_16 - (var_1_12 + var_1_12)); } } else { var_1_13 = (var_1_16 - var_1_10); } } void updateVariables() { var_1_3 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_3 >= -127); assume_abort_if_not(var_1_3 <= 126); var_1_4 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_4 >= -127); assume_abort_if_not(var_1_4 <= 126); var_1_5 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_5 >= -1); assume_abort_if_not(var_1_5 <= 126); var_1_6 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_6 >= 31); assume_abort_if_not(var_1_6 <= 63); var_1_7 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_7 >= 0); assume_abort_if_not(var_1_7 <= 63); var_1_10 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_10 >= 16383); assume_abort_if_not(var_1_10 <= 32767); var_1_16 = __VERIFIER_nondet_ushort(); assume_abort_if_not(var_1_16 >= 32767); assume_abort_if_not(var_1_16 <= 65534); var_1_18 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_18 >= 0); assume_abort_if_not(var_1_18 <= 0); var_1_20 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_20 >= 0); assume_abort_if_not(var_1_20 <= 127); var_1_21 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )); var_1_22 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_22 >= 4611686.018427382800e+12F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )); var_1_23 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_23 >= 0.0F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )); var_1_24 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_24 >= 0.0F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 9223372.036854765600e+12F && var_1_24 >= 1.0e-20F )); } void updateLastVariables() { last_1_var_1_8 = var_1_8; last_1_var_1_12 = var_1_12; last_1_var_1_13 = var_1_13; last_1_var_1_17 = var_1_17; last_1_var_1_25 = var_1_25; } int property() { return (((((((var_1_8 >= -1000000) ? (var_1_1 == ((signed char) (min (var_1_3 , var_1_4)))) : (var_1_1 == ((signed char) (var_1_5 - ((var_1_6 - 8) + var_1_7))))) && (var_1_8 == ((unsigned short int) (((var_1_7 + var_1_6) + var_1_12) + (var_1_10 - var_1_12))))) && ((last_1_var_1_13 == last_1_var_1_13) ? (var_1_12 == ((unsigned char) (abs (var_1_7)))) : 1)) && (var_1_17 ? ((((var_1_10 + var_1_12) << var_1_5) < var_1_25) ? (var_1_13 == ((unsigned short int) (min (var_1_7 , (max (var_1_12 , (min (var_1_12 , var_1_6)))))))) : (var_1_13 == ((unsigned short int) (var_1_16 - (var_1_12 + var_1_12))))) : (var_1_13 == ((unsigned short int) (var_1_16 - var_1_10))))) && (((min ((max (last_1_var_1_12 , var_1_6)) , last_1_var_1_8)) > (var_1_3 * last_1_var_1_25)) ? (var_1_17 == ((unsigned char) var_1_18)) : 1)) && ((var_1_1 >= (var_1_5 - var_1_20)) ? (var_1_19 == ((double) ((min (var_1_21 , (var_1_22 - var_1_23))) - var_1_24))) : 1)) && (((last_1_var_1_8 < last_1_var_1_13) || last_1_var_1_17) ? (var_1_25 == ((unsigned short int) ((max (last_1_var_1_12 , last_1_var_1_12)) + var_1_7))) : (var_1_25 == ((unsigned short int) var_1_7))) ; } int main(void) { isInitial = 1; initially(); while (1) { updateLastVariables(); updateVariables(); step(); __VERIFIER_assert(property()); isInitial = 0; } return 0; }