This is the command cccheck that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
cccheck - Perform static code contracts verification for CLR assemblies.
SYNOPSIS
cccheck --assembly=<assembly> [options]
DESCRIPTION
Perform static code contracts verification to find bugs and inconsistences between code
and specification. This includes non-null, integer analyses.
The assembly must have been built with the symbol CONTRACTS_FULL defined, otherwise the
calls to the contract methods will have been removed by the compiler.
Currently only Contract.Assume() and Contract.Assert() methods are supported. Only non-
null analysis is supported, the consecutive analyses are in development. An error message
will be shown if cccheck is unable to process all or some of the methods of specified
assembly.
CONFIGURATION OPTIONS
--assembly <assembly-name>
The assembly to perform static verification.
--debug
Shows debug information about process of proving the assertions. It shows four
layers of abstraction, raw layer, stack layer, heap layer, and substituted
expression level.
--method=<method-name-substring>
String for finding method. It filters all methods in assembly where method name has
this parameter as a substring.
--help Show help for cccheck, listing configuration options.
EXAMPLES
Suppose you have a method:
void Method() {
object x = null;
int y = 1;
if (y % 2 == 1)
x = new object();
else
x = new string();
Contract.Assert(x != null); }
After the verification the tool will have results in following format: "Assertion
at : [Subroutine: <id> Block <blockId> PC <id>] :
is (true|false|unproven|unreachable)". (PC is a program counter)
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