Updated CHANGELOG

CHANGELOG.md

@@ -8,20 +8,21 @@ Version 1.4.x
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 ## Version 1.4.2 (under development)
-- Added portfolio engine which picks a good engine (among other settings) based on features of the symbolic input
-- Setting `--engine dd-to-sparse --bisimulation` now triggers extracting the sparse bisimulation quotiont
-- JIT model building is now invoked via `--engine jit` (instead of `--jit`)
-- DRN: support import of choice labelling
+- Added portfolio engine which picks a good engine (among other settings) based on features of the symbolic input.
+- Abort of Storm (via timeout or CTRL+C for example) is now gracefully handled. After an abort signal the program waits some seconds to output the result computed so far and terminates afterwards. A second signal immediately terminates the program.
+- Setting `--engine dd-to-sparse --bisimulation` now triggers extracting the sparse bisimulation quotient.
+- JIT model building is now invoked via `--engine jit` (instead of `--jit`).
+- DRN: support import of choice labelling.
 - Added option `--build:buildchoiceorig` to build a model (PRISM or JANI) with choice origins (which are exported with, e.g. `--exportscheduler`).
-- Apply the maximum progress assumption while building a Markov automata with the Dd engine.
-- Added option `--build:nomaxprog` to disable applying the maximum progress assumption during model building (for Markov Automata)
-- Added hybrid engine for Markov Automata
-- Implemented optimistic value iteration for sound computations and used it as a default
+- Implemented optimistic value iteration for sound computations and use it as a default.
 - Unif+ for time bounded properties on Markov automata now computes results with relative precision. Use `--absolute` for the previous behavior.
-- Various performance improvements for model building with the sparse engine
-- `storm-dft`: Symmetry reduction is now enabled by default and can be disabled via `--nosymmetryreduction`
-- `storm-pomdp`: Only accept POMDPs that are canonical
-- `storm-pomdp`: Prism language extended with observable expressions
+- Apply the maximum progress assumption while building a Markov automata with the Dd engine.
+- Added option `--build:nomaxprog` to disable applying the maximum progress assumption during model building (for Markov Automata).
+- Added hybrid engine for Markov Automata.
+- Various performance improvements for model building with the sparse engine.
+- `storm-dft`: Symmetry reduction is now enabled by default and can be disabled via `--nosymmetryreduction`.
+- `storm-pomdp`: Only accept POMDPs that are canonical.
+- `storm-pomdp`: Prism language extended with observable expressions.
 - `storm-pomdp`: Various fixes that prevented usage.
 
 ### Version 1.4.1 (2019/12)