This PR adds includes that are missing from source files, but currently provided by other includes.
This mostly concerns <sstream> which is currently included by the statistics, which will change in the future.
#include "expr/proof_node_manager.h"
+#include <sstream>
+
#include "expr/proof.h"
#include "expr/proof_checker.h"
#include "expr/proof_node.h"
#include "expr/term_conversion_proof_generator.h"
+#include <sstream>
+
#include "expr/proof_checker.h"
#include "expr/proof_node.h"
#include "expr/term_context.h"
#include "preprocessing/passes/ho_elim.h"
+#include <sstream>
+
#include "expr/node_algorithm.h"
#include "options/quantifiers_options.h"
#include "preprocessing/assertion_pipeline.h"
#include "smt/preprocess_proof_generator.h"
+#include <sstream>
+
#include "expr/proof.h"
#include "expr/proof_checker.h"
#include "expr/proof_node.h"
#include "smt/set_defaults.h"
+#include <sstream>
+
#include "base/output.h"
#include "options/arith_options.h"
#include "options/arrays_options.h"
#include "smt/sygus_solver.h"
+#include <sstream>
+
#include "expr/dtype.h"
#include "options/quantifiers_options.h"
#include "options/smt_options.h"
**/
#include <set>
+#include <sstream>
#include <stack>
#include <vector>
**/
#include <cmath>
+#include <iomanip>
#include <limits.h>
#include <map>
#include <math.h>
#include "theory/arith/operator_elim.h"
+#include <sstream>
+
#include "expr/attribute.h"
#include "expr/bound_var_manager.h"
#include "expr/skolem_manager.h"
#include "theory/quantifiers/extended_rewrite.h"
+#include <sstream>
+
#include "theory/arith/arith_msum.h"
#include "theory/bv/theory_bv_utils.h"
#include "theory/datatypes/datatypes_rewriter.h"
#include "theory/quantifiers/query_generator.h"
#include <fstream>
+#include <sstream>
#include "options/quantifiers_options.h"
#include "smt/smt_engine.h"
**/
#include "theory/quantifiers/sygus/sygus_grammar_cons.h"
+#include <sstream>
#include <stack>
#include "expr/dtype_cons.h"
#include "theory/quantifiers/sygus/sygus_grammar_norm.h"
+#include <sstream>
+
#include "expr/dtype_cons.h"
#include "expr/node_manager_attributes.h" // for VarNameAttr
#include "options/quantifiers_options.h"
**/
#include "theory/quantifiers/sygus/sygus_process_conj.h"
+#include <sstream>
#include <stack>
#include "options/quantifiers_options.h"
#include "theory/quantifiers/sygus/term_database_sygus.h"
+#include <sstream>
+
#include "base/check.h"
#include "expr/dtype_cons.h"
#include "expr/sygus_datatype.h"
#include "theory/quantifiers/sygus_sampler.h"
+#include <sstream>
+
#include "expr/dtype.h"
#include "expr/dtype_cons.h"
#include "expr/node_algorithm.h"
#include "theory/sort_inference.h"
+#include <sstream>
#include <vector>
#include "options/quantifiers_options.h"