java -ea -Xmx2000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/array-memsafety/count_down_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-3204b74 [2018-09-13 16:24:55,598 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-13 16:24:55,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-13 16:24:55,662 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-13 16:24:55,662 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-13 16:24:55,667 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-13 16:24:55,668 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-13 16:24:55,675 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-13 16:24:55,682 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-13 16:24:55,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-13 16:24:55,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-13 16:24:55,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-13 16:24:55,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-13 16:24:55,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-13 16:24:55,708 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-13 16:24:55,710 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-13 16:24:55,717 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-13 16:24:55,722 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-13 16:24:55,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-13 16:24:55,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-13 16:24:55,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-13 16:24:55,737 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-13 16:24:55,738 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-13 16:24:55,739 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-13 16:24:55,743 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-13 16:24:55,744 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-13 16:24:55,744 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-13 16:24:55,745 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-09-13 16:24:55,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-13 16:24:55,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-13 16:24:55,749 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-13 16:24:55,750 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2018-09-13 16:24:55,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-13 16:24:55,784 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-13 16:24:55,791 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-13 16:24:55,791 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-13 16:24:55,792 INFO L133 SettingsManager]: * Use SBE=true [2018-09-13 16:24:55,792 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-13 16:24:55,794 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-13 16:24:55,795 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-09-13 16:24:55,795 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-13 16:24:55,795 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-13 16:24:55,795 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-13 16:24:55,795 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-09-13 16:24:55,796 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-09-13 16:24:55,796 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-09-13 16:24:55,796 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-13 16:24:55,796 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-09-13 16:24:55,796 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-09-13 16:24:55,796 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-13 16:24:55,796 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-13 16:24:55,797 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-13 16:24:55,797 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-13 16:24:55,797 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-13 16:24:55,797 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-13 16:24:55,797 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-13 16:24:55,797 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-13 16:24:55,803 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-09-13 16:24:55,803 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-13 16:24:55,804 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-09-13 16:24:55,804 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-09-13 16:24:55,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-13 16:24:55,959 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-09-13 16:24:55,970 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-09-13 16:24:55,978 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-13 16:24:55,978 INFO L276 PluginConnector]: CDTParser initialized [2018-09-13 16:24:55,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/count_down_unsafe_false-valid-deref.i [2018-09-13 16:24:56,467 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-13 16:24:56,480 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-13 16:24:56,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-13 16:24:56,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-13 16:24:56,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-13 16:24:56,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 04:24:56" (1/1) ... [2018-09-13 16:24:56,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a143c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:56, skipping insertion in model container [2018-09-13 16:24:56,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 04:24:56" (1/1) ... [2018-09-13 16:24:56,569 INFO L153 Dispatcher]: Using SV-COMP mode [2018-09-13 16:24:56,695 INFO L153 Dispatcher]: Using SV-COMP mode [2018-09-13 16:24:57,108 INFO L450 PostProcessor]: Settings: Checked method=main [2018-09-13 16:24:57,188 INFO L450 PostProcessor]: Settings: Checked method=main [2018-09-13 16:24:57,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57 WrapperNode [2018-09-13 16:24:57,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-13 16:24:57,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-13 16:24:57,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-13 16:24:57,239 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-13 16:24:57,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 04:24:57" (1/1) ... [2018-09-13 16:24:57,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-13 16:24:57,363 INFO L168 Benchmark]: Toolchain (without parser) took 892.01 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-13 16:24:57,366 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-13 16:24:57,367 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.73 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-09-13 16:24:57,373 INFO L168 Benchmark]: Boogie Preprocessor took 118.70 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-13 16:24:57,381 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. * CACSL2BoogieTranslator took 745.73 ms. Allocated memory is still 1.9 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 118.70 ms. Allocated memory is still 1.9 GB. Free memory is still 1.9 GB. There was no memory consumed. Max. memory is 1.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...