Disable running incremental smt2 tests on Windows

These tests currently fail when run on Windows due to issues with
`piped_processt`. This commit can be reverted once the debugging is
complete.

Author: thomasspriggs

regression/cbmc-incr-smt2/CMakeLists.txt

@@ -1,4 +1,10 @@
 
+if("${CMAKE_SYSTEM_NAME}" STREQUAL "Windows")
+    set(exclude_win_broken_tests -X winbug)
+else()
+    set(exclude_win_broken_tests "")
+endif()
+
 add_test_pl_tests(
-    "$<TARGET_FILE:cbmc> --validate-goto-model --validate-ssa-equation --slice-formula"
+    "$<TARGET_FILE:cbmc> --validate-goto-model --validate-ssa-equation --slice-formula" ${exclude_win_broken_tests}
 )

regression/cbmc-incr-smt2/Makefile

@@ -3,8 +3,14 @@ default: test
 include ../../src/config.inc
 include ../../src/common
 
+ifeq ($(BUILD_ENV_),MSVC)
+	exclude_broken_windows_tests=-X winbug
+else
+	exclude_broken_windows_tests=
+endif
+
 test:
-	@../test.pl -e -p -c "../../../src/cbmc/cbmc --validate-goto-model --validate-ssa-equation --slice-formula"
+	@../test.pl -e -p -c "../../../src/cbmc/cbmc --validate-goto-model --validate-ssa-equation --slice-formula" $(exclude_broken_windows_tests)
 
 tests.log: ../test.pl test
 

regression/cbmc-incr-smt2/nondeterministic-int-assert/control_flow.desc

@@ -1,4 +1,4 @@
-CORE
+CORE winbug
 control_flow.c
 --incremental-smt2-solver "z3 --smt2 -in" --verbosity 10
 Passing problem to incremental SMT2 solving via "z3 --smt2 -in"

regression/cbmc-incr-smt2/nondeterministic-int-assert/incremental_solver_called.desc

@@ -1,4 +1,4 @@
-CORE
+CORE winbug
 test.c
 --incremental-smt2-solver "z3 --smt2 -in" --verbosity 10
 Passing problem to incremental SMT2 solving via "z3 --smt2 -in"