Base time API upon std::chrono

This should not change the behaviour of KLEE and mimics the old API.

- functions moved from util into time namespace
- uses time points and time spans instead of double
- CLI arguments now have the form "3h5min8us"

Changed command line parameters:
- batch-time (double to string)
- istats-write-interval (double to string)
- max-instruction-time (double to string)
- max-solver-time (double to string)
- max-time (double to string)
- min-query-time-to-log (double to string)
- seed-time (double to string)
- stats-write-interval (double to string)
- uncovered-update-interval (double to string)
- added: log-timed-out-queries (replaces negative max-solver-time)

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/Solver/CachingSolver.cpp b/lib/Solver/CachingSolver.cpp
index 1a6dce52..be46621b 100644
--- a/lib/Solver/CachingSolver.cpp
+++ b/lib/Solver/CachingSolver.cpp
@@ -93,7 +93,7 @@ public:
   }
   SolverRunStatus getOperationStatusCode();
   char *getConstraintLog(const Query&);
-  void setCoreSolverTimeout(double timeout);
+  void setCoreSolverTimeout(time::Span timeout);
 };
 
 /** @returns the canonical version of the given query.  The reference
@@ -257,7 +257,7 @@ char *CachingSolver::getConstraintLog(const Query& query) {
   return solver->impl->getConstraintLog(query);
 }
 
-void CachingSolver::setCoreSolverTimeout(double timeout) {
+void CachingSolver::setCoreSolverTimeout(time::Span timeout) {
   solver->impl->setCoreSolverTimeout(timeout);
 }