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-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6070b07 [2018-09-23 11:15:56,901 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 11:15:56,906 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 11:15:56,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 11:15:56,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 11:15:56,949 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 11:15:56,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 11:15:56,958 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 11:15:56,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 11:15:56,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 11:15:56,979 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 11:15:56,980 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 11:15:56,981 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 11:15:56,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 11:15:56,992 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 11:15:56,993 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 11:15:57,005 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 11:15:57,009 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 11:15:57,012 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 11:15:57,013 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 11:15:57,020 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 11:15:57,025 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 11:15:57,030 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 11:15:57,030 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 11:15:57,030 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 11:15:57,035 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 11:15:57,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 11:15:57,038 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 11:15:57,044 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 11:15:57,045 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 11:15:57,046 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 11:15:57,048 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 11:15:57,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 11:15:57,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 11:15:57,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 11:15:57,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 11:15:57,055 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-09-23 11:15:57,105 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 11:15:57,105 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 11:15:57,108 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 11:15:57,109 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 11:15:57,114 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 11:15:57,114 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 11:15:57,114 INFO L133 SettingsManager]: * Use SBE=true [2018-09-23 11:15:57,114 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 11:15:57,115 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 11:15:57,115 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 11:15:57,115 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 11:15:57,115 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 11:15:57,121 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 11:15:57,121 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 11:15:57,121 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 11:15:57,121 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 11:15:57,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 11:15:57,122 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 11:15:57,122 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 11:15:57,122 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-23 11:15:57,122 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 11:15:57,123 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-23 11:15:57,123 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-23 11:15:57,123 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 11:15:57,123 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 11:15:57,127 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 11:15:57,128 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-23 11:15:57,129 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 11:15:57,129 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 11:15:57,129 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 11:15:57,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 11:15:57,283 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 11:15:57,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 11:15:57,296 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-23 11:15:57,300 INFO L276 PluginConnector]: CDTParser initialized [2018-09-23 11:15:57,301 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i [2018-09-23 11:15:57,999 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c03f0817/3c40fc69e17b4f2cbcdd3a068fa48286/FLAGf10072c2f [2018-09-23 11:15:58,672 INFO L277 CDTParser]: Found 1 translation units. [2018-09-23 11:15:58,675 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i [2018-09-23 11:15:58,730 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c03f0817/3c40fc69e17b4f2cbcdd3a068fa48286/FLAGf10072c2f [2018-09-23 11:15:58,766 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c03f0817/3c40fc69e17b4f2cbcdd3a068fa48286 [2018-09-23 11:15:58,781 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 11:15:58,790 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-23 11:15:58,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-23 11:15:58,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-23 11:15:58,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-23 11:15:58,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:15:58" (1/1) ... [2018-09-23 11:15:58,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4add4263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:15:58, skipping insertion in model container [2018-09-23 11:15:58,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:15:58" (1/1) ... [2018-09-23 11:15:58,863 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-23 11:15:59,681 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-23 11:15:59,751 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-23 11:15:59,910 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-23 11:16:00,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00 WrapperNode [2018-09-23 11:16:00,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-23 11:16:00,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 11:16:00,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 11:16:00,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 11:16:00,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:16:00" (1/1) ... [2018-09-23 11:16:00,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 11:16:00,616 INFO L168 Benchmark]: Toolchain (without parser) took 1829.42 ms. Allocated memory is still 1.9 GB. Free memory was 1.8 GB in the beginning and 1.9 GB in the end (delta: -69.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 1.9 GB. [2018-09-23 11:16:00,628 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. [2018-09-23 11:16:00,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1365.08 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 1.9 GB. [2018-09-23 11:16:00,636 INFO L168 Benchmark]: Boogie Preprocessor took 242.23 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 GB. There was no memory consumed. Max. memory is 1.9 GB. [2018-09-23 11:16:00,642 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 0.24 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 1365.08 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: 32.0 MB). Peak memory consumption was 32.0 MB. Max. memory is 1.9 GB. * Boogie Preprocessor took 242.23 ms. Allocated memory is still 1.9 GB. Free memory is still 1.8 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...