manual: fix references

Author: Daniel Kroening

doc/cprover-manual/api.md

@@ -87,7 +87,7 @@ void __CPROVER_cover(_Bool condition);
 ```
 
 This statement defines a custom coverage criterion, for usage with the
-[test suite generation feature](cover.shtml).
+[test suite generation feature](../test-suite/).
 
 #### \_\_CPROVER\_isnan, \_\_CPROVER\_isfinite, \_\_CPROVER\_isinf, \_\_CPROVER\_isnormal, \_\_CPROVER\_sign
 

doc/cprover-manual/cbmc-tutorial.md

@@ -284,7 +284,7 @@ violates an assertion. Without unwinding assertions, or when using the
 `--depth` command line switch, CBMC does not prove the program correct,
 but it can be helpful to find program bugs. The various command line
 options that CBMC offers for loop unwinding are described in the section
-on [understanding loop unwinding](../../cbmc-unwinding/).
+on [understanding loop unwinding](../../cbmc/unwinding/).
 
 ### A Note About Compilers and the ANSI-C Library
 

doc/cprover-manual/goto-cc-variants.md

@@ -1,4 +1,4 @@
-[CPROVER Manual TOC](../)
+[CPROVER Manual TOC](../../)
 
 ## Variants of goto-cc
 

doc/cprover-manual/goto-cc.md

@@ -20,7 +20,7 @@ The normal build system for the project may be used to build the
 software, but the outcome will be a model file with suitable detail for
 verification, as opposed to a flat executable program. Note that goto-cc
 comes in different variants depending on the compilation environment.
-These variants are described [here](goto-cc-variants.shtml).
+These variants are described [here](variants/).
 
 ### Example: Building wu-ftpd
 

doc/cprover-manual/test-suite.md

@@ -5,7 +5,7 @@
 ### A Small Tutorial with a Case Study
 
 We assume that CBMC is installed on your system. If not, follow
-[these instructions](../../installation/).
+[these instructions](../installation/).
 
 CBMC can be used to automatically generate test cases that satisfy a
 certain [code coverage](https://en.wikipedia.org/wiki/Code_coverage)
@@ -197,7 +197,7 @@ unwound enough times. For example, `climb_pid_run` needs to
 be called at least six times for evaluating the condition
 `climb_sum_err>MAX_CLIMB_SUM_ERR` in line 48 to *true*. This corresponds
 to Test 5. To learn more about loop unwinding take a look at [Understanding Loop
-Unwinding](../../cbmc-unwinding/).
+Unwinding](../cbmc/unwinding/).
 
 In this tutorial, we present the automatic test suite generation
 functionality of CBMC, by applying the MC/DC code coverage criterion to