java -ea -Xmx2000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /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 0.1.23-30949e8 [2018-10-05 18:47:31,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-05 18:47:31,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-05 18:47:31,209 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-05 18:47:31,210 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-05 18:47:31,211 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-05 18:47:31,216 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-05 18:47:31,218 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-05 18:47:31,227 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-05 18:47:31,228 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-05 18:47:31,239 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-05 18:47:31,240 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-05 18:47:31,241 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-05 18:47:31,247 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-05 18:47:31,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-05 18:47:31,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-05 18:47:31,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-05 18:47:31,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-05 18:47:31,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-05 18:47:31,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-05 18:47:31,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-05 18:47:31,283 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-05 18:47:31,293 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-10-05 18:47:31,313 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-05 18:47:31,313 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-05 18:47:31,314 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-05 18:47:31,319 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-05 18:47:31,319 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 [2018-10-05 18:47:31,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-05 18:47:31,362 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-05 18:47:31,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-05 18:47:31,367 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-05 18:47:31,370 INFO L133 SettingsManager]: * Use SBE=true [2018-10-05 18:47:31,371 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-05 18:47:31,371 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-05 18:47:31,371 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-05 18:47:31,371 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-05 18:47:31,371 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-05 18:47:31,372 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-05 18:47:31,374 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-05 18:47:31,374 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-05 18:47:31,374 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-05 18:47:31,375 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-05 18:47:31,377 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-05 18:47:31,377 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-05 18:47:31,377 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-05 18:47:31,378 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-05 18:47:31,378 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-05 18:47:31,378 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-05 18:47:31,378 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-05 18:47:31,378 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-05 18:47:31,379 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-05 18:47:31,379 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-05 18:47:31,379 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-05 18:47:31,379 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-05 18:47:31,379 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-05 18:47:31,380 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-05 18:47:31,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-05 18:47:31,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-05 18:47:31,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-05 18:47:31,557 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-05 18:47:31,557 INFO L276 PluginConnector]: CDTParser initialized [2018-10-05 18:47:31,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/count_down_unsafe_false-valid-deref.i [2018-10-05 18:47:32,207 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7882c8cf8/42c463c4e51945ab9c407db243ac85cf/FLAGe2040346f [2018-10-05 18:47:32,789 INFO L277 CDTParser]: Found 1 translation units. [2018-10-05 18:47:32,789 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-memsafety/count_down_unsafe_false-valid-deref.i [2018-10-05 18:47:32,825 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7882c8cf8/42c463c4e51945ab9c407db243ac85cf/FLAGe2040346f [2018-10-05 18:47:32,870 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7882c8cf8/42c463c4e51945ab9c407db243ac85cf [2018-10-05 18:47:32,897 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-05 18:47:32,903 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-05 18:47:32,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-05 18:47:32,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-05 18:47:32,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-05 18:47:32,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 06:47:32" (1/1) ... [2018-10-05 18:47:32,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54b53dba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 06:47:32, skipping insertion in model container [2018-10-05 18:47:32,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 06:47:32" (1/1) ... [2018-10-05 18:47:32,958 INFO L147 MainTranslator]: Starting translation in SV-COMP mode [2018-10-05 18:47:33,074 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-10-05 18:47:33,500 WARN L311 MainTranslator]: Unsupported Syntax: bitfield implementation not yet bitprecise (soundness first) [2018-10-05 18:47:33,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7fd4b8b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 06:47:33, skipping insertion in model container [2018-10-05 18:47:33,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-05 18:47:33,502 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2018-10-05 18:47:33,504 INFO L168 Benchmark]: Toolchain (without parser) took 606.16 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-05 18:47:33,508 INFO L168 Benchmark]: CDTParser took 0.33 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. [2018-10-05 18:47:33,509 INFO L168 Benchmark]: CACSL2BoogieTranslator took 592.48 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. [2018-10-05 18:47:33,522 INFO L336 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 0.33 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 592.48 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 1.9 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 69]: Unsupported Syntax bitfield implementation not yet bitprecise (soundness first) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...