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-cb2f9b4 [2018-09-12 13:31:55,029 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-12 13:31:55,037 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-12 13:31:55,075 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-12 13:31:55,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-12 13:31:55,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-12 13:31:55,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-12 13:31:55,086 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-12 13:31:55,094 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-12 13:31:55,097 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-12 13:31:55,101 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-12 13:31:55,101 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-12 13:31:55,102 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-12 13:31:55,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-12 13:31:55,116 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-12 13:31:55,121 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-12 13:31:55,123 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-12 13:31:55,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-12 13:31:55,136 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-12 13:31:55,139 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-12 13:31:55,141 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-12 13:31:55,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-12 13:31:55,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-12 13:31:55,156 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-12 13:31:55,156 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-12 13:31:55,157 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-12 13:31:55,158 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-12 13:31:55,165 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-12 13:31:55,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-12 13:31:55,170 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-12 13:31:55,170 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-12 13:31:55,174 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-12 13:31:55,175 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-12 13:31:55,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-12 13:31:55,180 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-12 13:31:55,181 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-12 13:31:55,182 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 [2018-09-12 13:31:55,229 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-12 13:31:55,229 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-12 13:31:55,230 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-12 13:31:55,231 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-12 13:31:55,237 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-12 13:31:55,237 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-12 13:31:55,237 INFO L133 SettingsManager]: * Use SBE=true [2018-09-12 13:31:55,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-12 13:31:55,238 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-12 13:31:55,238 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-12 13:31:55,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-12 13:31:55,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-12 13:31:55,241 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-12 13:31:55,242 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-12 13:31:55,242 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-12 13:31:55,242 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-12 13:31:55,242 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-12 13:31:55,243 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-12 13:31:55,243 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-12 13:31:55,243 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-12 13:31:55,245 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-12 13:31:55,246 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-12 13:31:55,248 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-12 13:31:55,249 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-12 13:31:55,249 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-12 13:31:55,249 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-12 13:31:55,249 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-09-12 13:31:55,250 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-12 13:31:55,250 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-12 13:31:55,250 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-12 13:31:55,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-12 13:31:55,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-12 13:31:55,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-12 13:31:55,442 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-12 13:31:55,442 INFO L276 PluginConnector]: CDTParser initialized [2018-09-12 13:31:55,443 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i [2018-09-12 13:31:56,062 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23af30f51/0b6bb5bf9ea84b21aa14ed0460b62362/FLAGc66ba1694 [2018-09-12 13:31:56,742 INFO L277 CDTParser]: Found 1 translation units. [2018-09-12 13:31:56,748 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl_true-unreach-call.i [2018-09-12 13:31:56,791 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23af30f51/0b6bb5bf9ea84b21aa14ed0460b62362/FLAGc66ba1694 [2018-09-12 13:31:56,835 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23af30f51/0b6bb5bf9ea84b21aa14ed0460b62362 [2018-09-12 13:31:56,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-12 13:31:56,866 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2018-09-12 13:31:56,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-12 13:31:56,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-12 13:31:56,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-12 13:31:56,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 01:31:56" (1/1) ... [2018-09-12 13:31:56,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f3e811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:56, skipping insertion in model container [2018-09-12 13:31:56,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 01:31:56" (1/1) ... [2018-09-12 13:31:57,383 INFO L180 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-09-12 13:31:57,700 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-12 13:31:57,767 INFO L431 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-12 13:31:57,907 INFO L175 PostProcessor]: Settings: Checked method=main [2018-09-12 13:31:58,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58 WrapperNode [2018-09-12 13:31:58,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-12 13:31:58,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-12 13:31:58,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-12 13:31:58,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-12 13:31:58,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 01:31:58" (1/1) ... [2018-09-12 13:31:58,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-12 13:31:58,344 INFO L168 Benchmark]: Toolchain (without parser) took 1480.89 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. [2018-09-12 13:31:58,350 INFO L168 Benchmark]: CDTParser took 0.26 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. [2018-09-12 13:31:58,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1266.36 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. [2018-09-12 13:31:58,354 INFO L168 Benchmark]: Boogie Preprocessor took 198.89 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. [2018-09-12 13:31:58,363 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 0.26 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 1266.36 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 198.89 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...