LCOV - code coverage report
Current view: top level - home/alexey/klever/native-scheduler-work-dir/native-scheduler-work-dir/scheduler/jobs/032ed983781f2acce615a4df71b22f31/verifier - nondet.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 5 12 41.7 %
Date: 2017-01-25 Functions: 2 5 40.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2014-2016 ISPRAS (http://www.ispras.ru)
       3             :  * Institute for System Programming of the Russian Academy of Sciences
       4             :  *
       5             :  * Licensed under the Apache License, Version 2.0 (the "License");
       6             :  * you may not use this file except in compliance with the License.
       7             :  * You may obtain a copy of the License at
       8             :  *
       9             :  *   http://www.apache.org/licenses/LICENSE-2.0
      10             :  *
      11             :  * Unless required by applicable law or agreed to in writing, software
      12             :  * distributed under the License is distributed on an "AS IS" BASIS,
      13             :  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      14             :  * ee the License for the specific language governing permissions and
      15             :  * limitations under the License.
      16             :  */
      17             : 
      18             : #include <verifier/common.h>
      19             : #include <verifier/nondet.h>
      20             : #include <linux/types.h>
      21             : 
      22             : /* SV-COMP functions intended for modelling nondeterminism. */
      23             : char __VERIFIER_nondet_char(void);
      24             : int __VERIFIER_nondet_int(void);
      25             : float __VERIFIER_nondet_float(void);
      26             : long __VERIFIER_nondet_long(void);
      27             : size_t __VERIFIER_nondet_size_t(void);
      28             : loff_t __VERIFIER_nondet_loff_t(void);
      29             : u32 __VERIFIER_nondet_u32(void);
      30             : u16 __VERIFIER_nondet_u16(void);
      31             : u8 __VERIFIER_nondet_u8(void);
      32             : unsigned char __VERIFIER_nondet_uchar(void);
      33             : unsigned int __VERIFIER_nondet_uint(void);
      34             : unsigned short __VERIFIER_nondet_ushort(void);
      35             : unsigned __VERIFIER_nondet_unsigned(void);
      36             : unsigned long __VERIFIER_nondet_ulong(void);
      37             : void *__VERIFIER_nondet_pointer(void);
      38             : void __VERIFIER_assume(int expression);
      39             : 
      40             : int ldv_undef_int(void) {
      41          46 :         return __VERIFIER_nondet_int();
      42          23 : }
      43             : 
      44             : void *ldv_undef_ptr(void) {
      45           0 :         return __VERIFIER_nondet_pointer();
      46           0 : }
      47             : 
      48             : unsigned long ldv_undef_ulong(void) {
      49           0 :         return __VERIFIER_nondet_ulong();
      50           0 : }
      51             : 
      52             : int ldv_undef_int_negative(void)
      53             : {
      54          12 :         int ret = ldv_undef_int();
      55           9 :         ldv_assume(ret < 0);
      56           3 :         return ret;
      57             : }
      58             : 
      59             : int ldv_undef_int_nonpositive(void)
      60             : {
      61           0 :         int ret = ldv_undef_int();
      62           0 :         ldv_assume(ret <= 0);
      63           0 :         return ret;
      64             : }

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