// 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_Batch5725_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 signed long int var_1_1 = 1; unsigned char var_1_4 = 0; unsigned char var_1_5 = 0; unsigned char var_1_6 = 1; signed char var_1_9 = 64; signed char var_1_10 = -4; signed char var_1_11 = -4; double var_1_13 = 1.6; double var_1_14 = 127.75; // Calibration values // Last'ed variables signed char last_1_var_1_11 = -4; // Additional functions void initially(void) { } void step(void) { // From: Req2Batch5725_1loop if (last_1_var_1_11 > last_1_var_1_11) { var_1_9 = ((abs (-5)) + var_1_10); } // From: Req3Batch5725_1loop unsigned char stepLocal_2 = var_1_5; signed long int stepLocal_1 = var_1_10 ^ (var_1_9 * var_1_9); if (stepLocal_2 || var_1_6) { if (stepLocal_1 < last_1_var_1_11) { if ((- var_1_13) == var_1_14) { var_1_11 = var_1_10; } else { var_1_11 = var_1_10; } } else { var_1_11 = var_1_10; } } else { var_1_11 = var_1_10; } // From: Req1Batch5725_1loop unsigned char stepLocal_0 = var_1_4 || var_1_5; if (! (var_1_9 >= var_1_9)) { if (stepLocal_0 && var_1_6) { var_1_1 = (min (var_1_11 , var_1_11)); } else { var_1_1 = var_1_11; } } else { var_1_1 = var_1_11; } } void updateVariables() { var_1_4 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_4 >= 0); assume_abort_if_not(var_1_4 <= 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_6 = __VERIFIER_nondet_uchar(); assume_abort_if_not(var_1_6 >= 0); assume_abort_if_not(var_1_6 <= 1); var_1_10 = __VERIFIER_nondet_char(); assume_abort_if_not(var_1_10 >= -63); assume_abort_if_not(var_1_10 <= 63); var_1_13 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_13 >= -922337.2036854776000e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )); var_1_14 = __VERIFIER_nondet_double(); assume_abort_if_not((var_1_14 >= -922337.2036854776000e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )); } void updateLastVariables() { last_1_var_1_11 = var_1_11; } int property() { return (((! (var_1_9 >= var_1_9)) ? (((var_1_4 || var_1_5) && var_1_6) ? (var_1_1 == ((signed long int) (min (var_1_11 , var_1_11)))) : (var_1_1 == ((signed long int) var_1_11))) : (var_1_1 == ((signed long int) var_1_11))) && ((last_1_var_1_11 > last_1_var_1_11) ? (var_1_9 == ((signed char) ((abs (-5)) + var_1_10))) : 1)) && ((var_1_5 || var_1_6) ? (((var_1_10 ^ (var_1_9 * var_1_9)) < last_1_var_1_11) ? (((- var_1_13) == var_1_14) ? (var_1_11 == ((signed char) var_1_10)) : (var_1_11 == ((signed char) var_1_10))) : (var_1_11 == ((signed char) var_1_10))) : (var_1_11 == ((signed char) var_1_10))) ; } 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; }