Check the logging output generated from ai_baset et al.

This does not check whether the debug output is actually sensible or
useful, just whether it is present at the different --verbosity levels.

Author: martin

regression/goto-analyzer/logging/main.c

@@ -0,0 +1,48 @@
+#include <assert.h>
+
+int global;
+
+int f00(int x)
+{
+  return global + x;
+}
+
+int main(void)
+{
+  int local;
+  unsigned int nondet;
+
+  local = 1;
+  global = 1;
+
+  assert(local == global);
+
+  if(nondet)
+  {
+    local = 2;
+  }
+  if(nondet)
+  {
+    global = 2;
+  }
+
+  assert(local == global);
+
+  do
+  {
+    local = 3;
+    global = 3;
+  } while(nondet-- > 0);
+
+  assert(local == global);
+
+  local = 4;
+  global = 4;
+
+  local = f00(1);
+  global = f00(1);
+
+  assert(local == global);
+
+  return 0;
+}

regression/goto-analyzer/logging/test-recursive-interprocedural-10.desc

@@ -0,0 +1,18 @@
+CORE
+main.c
+--verify --recursive-interprocedural --vsd --loop-unwind-and-branching 10 --one-domain-per-history --verbosity 10
+^EXIT=0$
+^SIGNAL=0$
+^\[main\.assertion\.1] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.2] line \d+ assertion local == global: UNKNOWN$
+^\[main\.assertion\.3] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.4] line \d+ assertion local == global: UNKNOWN$
+^ai_baset::visit \d+ in main$
+^ai_baset::visit_edge from \d+ to \d+\.\.\. gives a new history\.\.\. applying transformer\.\.\. merging\.\.\. result queued\.$
+^ai_baset::visit_function_call at \d+$
+^ai_baset::visit_end_function main$
+^ai_recursive_interproceduralt::visit_edge_function_call from \d+ to \d+$
+^p = local_control_flow_history : location \d+
+^global \(\) -> 0 @ \[\d+\]$
+--
+^warning: ignoring

regression/goto-analyzer/logging/test-recursive-interprocedural-8.desc

@@ -0,0 +1,18 @@
+CORE
+main.c
+--verify --recursive-interprocedural --vsd --loop-unwind-and-branching 10 --one-domain-per-history --verbosity 8
+^EXIT=0$
+^SIGNAL=0$
+^\[main\.assertion\.1] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.2] line \d+ assertion local == global: UNKNOWN$
+^\[main\.assertion\.3] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.4] line \d+ assertion local == global: UNKNOWN$
+--
+^warning: ignoring
+^p = local_control_flow_history : location \d+
+^global \(\) -> 0 @ \[\d+\]$
+^ai_baset::visit \d+ in main$
+^ai_baset::visit_edge from \d+ to \d+\.\.\. gives a new history\.\.\. applying transformer\.\.\. merging\.\.\. result queued\.$
+^ai_baset::visit_function_call at \d+$
+^ai_baset::visit_end_function main$
+^ai_recursive_interproceduralt::visit_edge_function_call from \d+ to \d+$

regression/goto-analyzer/logging/test-recursive-interprocedural-9.desc

@@ -0,0 +1,18 @@
+CORE
+main.c
+--verify --recursive-interprocedural --vsd --loop-unwind-and-branching 10 --one-domain-per-history --verbosity 9
+^EXIT=0$
+^SIGNAL=0$
+^\[main\.assertion\.1] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.2] line \d+ assertion local == global: UNKNOWN$
+^\[main\.assertion\.3] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.4] line \d+ assertion local == global: UNKNOWN$
+^ai_baset::visit \d+ in main$
+^ai_baset::visit_edge from \d+ to \d+\.\.\. gives a new history\.\.\. applying transformer\.\.\. merging\.\.\. result queued\.$
+^ai_baset::visit_function_call at \d+$
+^ai_baset::visit_end_function main$
+^ai_recursive_interproceduralt::visit_edge_function_call from \d+ to \d+$
+--
+^warning: ignoring
+^p = local_control_flow_history : location \d+
+^global \(\) -> 0 @ \[\d+\]$

regression/goto-analyzer/logging/test-three-way-merge-10.desc

@@ -0,0 +1,19 @@
+CORE
+main.c
+--verify --three-way-merge --vsd --loop-unwind-and-branching 10 --one-domain-per-history --verbosity 10
+^EXIT=0$
+^SIGNAL=0$
+^\[main\.assertion\.1] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.2] line \d+ assertion local == global: UNKNOWN$
+^\[main\.assertion\.3] line \d+ assertion local == global: SUCCESS$
+^\[main\.assertion\.4] line \d+ assertion local == global: SUCCESS$
+^ai_baset::visit \d+ in main$
+^ai_baset::visit_edge from \d+ to \d+\.\.\. gives a new history\.\.\. applying transformer\.\.\. merging\.\.\. result queued\.$
+^ai_baset::visit_function_call at \d+$
+^ai_baset::visit_end_function main$
+^ai_three_way_merget::visit_edge_function_call from \d+ to \d+$
+^ai_three_way_merget::visit_edge_function_call edge from \d+ to \d+\.\.\. gives a new history\.\.\. applying transformer\.\.\. three way merge\.\.\. merging\.\.\. result queued\.$
+^p = local_control_flow_history : location \d+
+^global \(\) -> 0 @ \[\d+\]$
+--
+^warning: ignoring