[eacsl] Executing clang-format on C files

...e-acsl/observation_model/internals/e_acsl_heap_tracking.c

.../e-acsl/observation_model/internals/e_acsl_omodel_debug.h

...-acsl/observation_model/internals/e_acsl_safe_locations.c

...-acsl/observation_model/internals/e_acsl_safe_locations.h

.../observation_model/internals/e_acsl_timestamp_retrieval.h

...on_model/segment_model/e_acsl_segment_observation_model.c

...rvation_model/segment_model/e_acsl_segment_omodel_debug.c

..._model/segment_model/e_acsl_segment_timestamp_retrieval.c

...observation_model/segment_model/e_acsl_segment_tracking.c

...observation_model/segment_model/e_acsl_segment_tracking.h

...sl/observation_model/segment_model/e_acsl_shadow_layout.c

...sl/observation_model/segment_model/e_acsl_shadow_layout.h

src/plugins/e-acsl/tests/arith/arith.i

src/plugins/e-acsl/tests/arith/array.i

src/plugins/e-acsl/tests/arith/at.i

...plugins/e-acsl/tests/arith/at_on-purely-logic-variables.c

src/plugins/e-acsl/tests/arith/bitwise.c

src/plugins/e-acsl/tests/arith/cast.i

src/plugins/e-acsl/tests/arith/functions.c

src/plugins/e-acsl/tests/arith/functions_rec.c