java -ea -Xmx4000000000 -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_Bitvector.epf -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d830063 [2018-10-23 11:05:22,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-23 11:05:22,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-23 11:05:22,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-23 11:05:22,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-23 11:05:22,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-23 11:05:22,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-23 11:05:22,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-23 11:05:22,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-23 11:05:22,130 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-23 11:05:22,131 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-23 11:05:22,131 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-23 11:05:22,136 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-23 11:05:22,137 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-23 11:05:22,137 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-23 11:05:22,138 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-23 11:05:22,152 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-23 11:05:22,153 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-23 11:05:22,156 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-23 11:05:22,161 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-23 11:05:22,167 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-23 11:05:22,168 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-23 11:05:22,170 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-23 11:05:22,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-23 11:05:22,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-23 11:05:22,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-23 11:05:22,174 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-23 11:05:22,175 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-23 11:05:22,175 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-23 11:05:22,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-23 11:05:22,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-23 11:05:22,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-23 11:05:22,182 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-23 11:05:22,182 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-23 11:05:22,182 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-23 11:05:22,183 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-23 11:05:22,183 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-10-23 11:05:22,216 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-23 11:05:22,216 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-23 11:05:22,217 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-23 11:05:22,217 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-23 11:05:22,217 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-23 11:05:22,217 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-23 11:05:22,217 INFO L133 SettingsManager]: * Use SBE=true [2018-10-23 11:05:22,226 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-23 11:05:22,226 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-23 11:05:22,226 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-23 11:05:22,226 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-23 11:05:22,226 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-23 11:05:22,226 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-23 11:05:22,227 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-23 11:05:22,227 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-23 11:05:22,227 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-23 11:05:22,227 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-23 11:05:22,227 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-23 11:05:22,227 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-23 11:05:22,227 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-23 11:05:22,228 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-23 11:05:22,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-23 11:05:22,229 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-23 11:05:22,229 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-23 11:05:22,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-23 11:05:22,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-23 11:05:22,231 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-23 11:05:22,231 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-10-23 11:05:22,231 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-23 11:05:22,231 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-23 11:05:22,231 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-23 11:05:22,231 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-23 11:05:22,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-23 11:05:22,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-23 11:05:22,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-23 11:05:22,350 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-23 11:05:22,350 INFO L276 PluginConnector]: CDTParser initialized [2018-10-23 11:05:22,351 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i [2018-10-23 11:05:22,421 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c443587/9620097601b74cadb36ea26dbdfa9644/FLAGafc96cb3d [2018-10-23 11:05:23,167 INFO L298 CDTParser]: Found 1 translation units. [2018-10-23 11:05:23,171 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i [2018-10-23 11:05:23,191 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c443587/9620097601b74cadb36ea26dbdfa9644/FLAGafc96cb3d [2018-10-23 11:05:23,210 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c443587/9620097601b74cadb36ea26dbdfa9644 [2018-10-23 11:05:23,227 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-23 11:05:23,231 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-10-23 11:05:23,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-23 11:05:23,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-23 11:05:23,239 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-23 11:05:23,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:05:23" (1/1) ... [2018-10-23 11:05:23,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c11f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:23, skipping insertion in model container [2018-10-23 11:05:23,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:05:23" (1/1) ... [2018-10-23 11:05:23,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-23 11:05:23,352 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-23 11:05:23,943 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 11:05:23,971 INFO L189 MainTranslator]: Completed pre-run [2018-10-23 11:05:24,105 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-23 11:05:24,211 INFO L193 MainTranslator]: Completed translation [2018-10-23 11:05:24,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24 WrapperNode [2018-10-23 11:05:24,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-23 11:05:24,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-23 11:05:24,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-23 11:05:24,217 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-23 11:05:24,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,338 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:05:24" (1/1) ... [2018-10-23 11:05:24,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-23 11:05:24,461 INFO L168 Benchmark]: Toolchain (without parser) took 1230.69 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -52.6 MB). Peak memory consumption was 46.0 MB. Max. memory is 3.9 GB. [2018-10-23 11:05:24,467 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. [2018-10-23 11:05:24,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 979.46 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 3.9 GB. [2018-10-23 11:05:24,477 INFO L168 Benchmark]: Boogie Preprocessor took 242.15 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -86.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 3.9 GB. [2018-10-23 11:05:24,480 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 0.16 ms. Allocated memory is still 2.0 GB. Free memory is still 2.0 GB. There was no memory consumed. Max. memory is 3.9 GB. * CACSL2BoogieTranslator took 979.46 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 33.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 3.9 GB. * Boogie Preprocessor took 242.15 ms. Allocated memory is still 2.0 GB. Free memory was 1.9 GB in the beginning and 2.0 GB in the end (delta: -86.5 MB). Peak memory consumption was 12.2 MB. Max. memory is 3.9 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...