Here is the stack trace if it helps in figuring out the problem.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f7a85ba2428 in __GI_raise (sig=sig@entry=6)
at …/sysdeps/unix/sysv/linux/raise.c:54
54 …/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
[Current thread is 1 (Thread 0x7f7a8635e700 (LWP 29489))]
(gdb) bt
#0 0x00007f7a85ba2428 in __GI_raise (sig=sig@entry=6) at …/sysdeps/unix/sysv/linux/raise.c:54
#1 0x00007f7a85ba402a in __GI_abort () at abort.c:89
#2 0x00007f7a490748a4 in tensorflow::internal::LogMessageFatal::~LogMessageFatal() () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#3 0x00007f7a48f4063b in tensorflow::grappler::(anonymous namespace)::AutoMixedPrecisionImpl::SupportsFloat16(tensorflow::grappler::(anonymous namespace)::NodeTypeId const&) const ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#4 0x00007f7a48f4094f in std::_Function_handler<bool (int), tensorflow::grappler::(anonymous namespace)::AutoMixedPrecisionImpl::PropagateWhiteThroughClear(absl::flat_hash_set<int, absl::hash_interna
l::Hash, std::equal_to, std::allocator > const&, absl::flat_hash_set<int, absl::hash_internal::Hash, std::equal_to, std::allocator >) const::{lambda(int)#1}>::_M_invoke(
std::_Any_data const&, int&&) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#5 0x00007f7a48f2d779 in tensorflow::grappler::(anonymous namespace)::DfsTypeTraversal(tensorflow::grappler::(anonymous namespace)::GraphTypeTopologyView const&, absl::Span<tensorflow::grappler::(ano
nymous namespace)::NodeTypeId const const>, tensorflow::grappler::(anonymous namespace)::TypeTraversalDirection, tensorflow::grappler::(anonymous namespace)::DfsTypePredicates const&, tensorflow::gra
ppler::(anonymous namespace)::DfsTypeCallbacks const&) [clone .constprop.1539] () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#6 0x00007f7a48f42e6b in tensorflow::grappler::(anonymous namespace)::AutoMixedPrecisionImpl::Optimize() [clone .constprop.1475] ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#7 0x00007f7a48f457ff in tensorflow::grappler::AutoMixedPrecision::Optimize(tensorflow::grappler::Cluster*, tensorflow::grappler::GrapplerItem const&, tensorflow::GraphDef*) ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#8 0x00007f7a48f1f195 in tensorflow::grappler::MetaOptimizer::RunOptimizer(tensorflow::grappler::GraphOptimizer*, tensorflow::grappler::Cluster*, tensorflow::grappler::GrapplerItem*, tensorflow::Gra$
hDef*, tensorflow::grappler::MetaOptimizer::GraphOptimizationResult*) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#9 0x00007f7a48f200b1 in tensorflow::grappler::MetaOptimizer::OptimizeGraph(tensorflow::grappler::Cluster*, tensorflow::grappler::GrapplerItem const&, tensorflow::GraphDef*) ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#10 0x00007f7a48f2170a in tensorflow::grappler::MetaOptimizer::Optimize(tensorflow::grappler::Cluster*, tensorflow::grappler::GrapplerItem const&, tensorflow::GraphDef*) ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#11 0x00007f7a48f23af2 in tensorflow::grappler::RunMetaOptimizer(tensorflow::grappler::GrapplerItem const&, tensorflow::ConfigProto const&, tensorflow::DeviceBase*, tensorflow::grappler::Cluster*, ten
sorflow::GraphDef*) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#12 0x00007f7a48f14f8e in tensorflow::GraphExecutionState::OptimizeGraph(tensorflow::BuildGraphOptions const&, std::unique_ptr<tensorflow::Graph, std::default_deletetensorflow::Graph >, std::unique
_ptr<tensorflow::FunctionLibraryDefinition, std::default_deletetensorflow::FunctionLibraryDefinition >) ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#13 0x00007f7a48f16b0c in tensorflow::GraphExecutionState::BuildGraph(tensorflow::BuildGraphOptions const&, std::unique_ptr<tensorflow::ClientGraph, std::default_deletetensorflow::ClientGraph >)
() from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#14 0x00007f7a461803d2 in tensorflow::DirectSession::CreateGraphs(tensorflow::BuildGraphOptions const&, std::unordered_map<std::string, std::unique_ptr<tensorflow::Graph, std::default_delete >, std::hashstd::string, std::equal_tostd::string, std::allocator<std::pair<std::string const, std::unique_ptr<tensorflow::Graph, std::default_deletetensorflow::Graph > > > >, std::un
ique_ptr<tensorflow::FunctionLibraryDefinition, std::default_deletetensorflow::FunctionLibraryDefinition >, tensorflow::DirectSession::RunStateArgs, absl::InlinedVector<tensorflow::DataType, 4ul,
std::allocatortensorflow::DataType >, absl::InlinedVector<tensorflow::DataType, 4ul, std::allocatortensorflow::DataType >, long long*) ()
from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#15 0x00007f7a46181b7c in tensorflow::DirectSession::CreateExecutors(tensorflow::CallableOptions const&, std::unique_ptr<tensorflow::DirectSession::ExecutorsAndKeys, std::default_delete<tensorflow::Di
rectSession::ExecutorsAndKeys> >, std::unique_ptr<tensorflow::DirectSession::FunctionInfo, std::default_deletetensorflow::DirectSession::FunctionInfo >, tensorflow::DirectSession::RunStateArgs*) (
) from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#16 0x00007f7a46183e48 in tensorflow::DirectSession::GetOrCreateExecutors(absl::Span<std::string const>, absl::Span<std::string const>, absl::Span<std::string const>, tensorflow::DirectSession::Execut
orsAndKeys**, tensorflow::DirectSession::RunStateArgs*) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#17 0x00007f7a461854a4 in tensorflow::DirectSession::Run(tensorflow::RunOptions const&, std::vector<std::pair<std::string, tensorflow::Tensor>, std::allocator<std::pair<std::string, tensorflow::Tensor
const&, std::vector<std::string, std::allocatorstd::string > const&, std::vector<std::string, std::allocatorstd::string > const&, std::vector<tensorflow::Tensor, std::allocator<tensorflow::T
ensor> >, tensorflow::RunMetadata) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#18 0x00007f7a439c7e15 in tensorflow::SessionRef::Run(tensorflow::RunOptions const&, std::vector<std::pair<std::string, tensorflow::Tensor>, std::allocator<std::pair<std::string, tensorflow::Tensor> >
const&, std::vector<std::string, std::allocatorstd::string > const&, std::vector<std::string, std::allocatorstd::string > const&, std::vector<tensorflow::Tensor, std::allocator<tensorflow::Tens
or> >, tensorflow::RunMetadata) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#19 0x00007f7a43bd5daf in TF_Run_Helper(tensorflow::Session*, char const*, TF_Buffer const*, std::vector<std::pair<std::string, tensorflow::Tensor>, std::allocator<std::pair<std::string, tensorflow::T
ensor> > > const&, std::vector<std::string, std::allocatorstd::string > const&, TF_Tensor**, std::vector<std::string, std::allocatorstd::string > const&, TF_Buffer*, TF_Status*) [clone .constprop.
654] () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#20 0x00007f7a43bd6629 in TF_SessionRun () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#21 0x00007f7a439c3251 in tensorflow::TF_SessionRun_wrapper_helper(TF_Session*, char const*, TF_Buffer const*, std::vector<TF_Output, std::allocator<TF_Output> > const&, std::vector<_object*, std::all
ocator<_object*> > const&, std::vector<TF_Output, std::allocator<TF_Output> > const&, std::vector<TF_Operation*, std::allocator<TF_Operation*> > const&, TF_Buffer*, TF_Status*, std::vector<_object*, s
td::allocator<_object*> >) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#22 0x00007f7a439c3332 in tensorflow::TF_SessionRun_wrapper(TF_Session, TF_Buffer const*, std::vector<TF_Output, std::allocator<TF_Output> > const&, std::vector<_object*, std::allocator<_object*> > c
onst&, std::vector<TF_Output, std::allocator<TF_Output> > const&, std::vector<TF_Operation*, std::allocator<TF_Operation*> > const&, TF_Buffer*, TF_Status*, std::vector<_object*, std::allocator<_objec
t*> >*) () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#23 0x00007f7a4397788c in _wrap_TF_SessionRun_wrapper () from /usr/local/lib/python2.7/dist-packages/tensorflow/python/_pywrap_tensorflow_internal.so
#24 0x00000000004bc4aa in PyEval_EvalFrameEx ()
#25 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#26 0x00000000004c1f56 in PyEval_EvalFrameEx ()
#27 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#28 0x00000000004d5669 in ?? ()
#29 0x00000000004a587e in PyObject_Call ()
—Type to continue, or q to quit—
#30 0x00000000004be51e in PyEval_EvalFrameEx ()
#31 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#32 0x00000000004c1f56 in PyEval_EvalFrameEx ()
#33 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#34 0x00000000004c1f56 in PyEval_EvalFrameEx ()
#35 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#36 0x00000000004c1f56 in PyEval_EvalFrameEx ()
#37 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#38 0x00000000004c17c6 in PyEval_EvalFrameEx ()
#39 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#40 0x00000000004c17c6 in PyEval_EvalFrameEx ()
#41 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#42 0x00000000004c17c6 in PyEval_EvalFrameEx ()
#43 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#44 0x00000000004c17c6 in PyEval_EvalFrameEx ()
#45 0x00000000004b9b66 in PyEval_EvalCodeEx ()
#46 0x00000000004eb69f in ?? ()
#47 0x00000000004e58f2 in PyRun_FileExFlags ()
#48 0x00000000004e41a6 in PyRun_SimpleFileExFlags ()
#49 0x00000000004938ce in Py_Main ()
#50 0x00007f7a85b8d830 in __libc_start_main (main=0x493370 , argc=12, argv=0x7ffd6b701f68, init=, fini=, rtld_fini=, stack_end=0x7ffd6b701f58)
at …/csu/libc-start.c:291
#51 0x0000000000493299 in _start ()