./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/alternating_list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-properties/alternating_list-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c54128245d3ab9ad313da188c7be33f66027c6a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-properties/alternating_list-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9c54128245d3ab9ad313da188c7be33f66027c6a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:28,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:28,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:28,241 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:28,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:28,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:28,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:28,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:28,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:28,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:28,297 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:28,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:28,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:28,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:28,314 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:28,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:28,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:28,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:28,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:28,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:28,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:28,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:28,359 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:28,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:28,371 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:28,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:28,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:28,377 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:28,377 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:28,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:28,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:28,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:28,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:28,388 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:28,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:28,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:28,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:28,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:28,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:28,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:28,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:28,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:28,446 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:28,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:28,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:28,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:28,455 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:28,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:28,456 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:28,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:28,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:28,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:28,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:28,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:28,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:28,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:28,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:28,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:28,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:28,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:28,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:28,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:28,467 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:28,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:28,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:28,470 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:28,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:28,470 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:28,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:28,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:28,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c54128245d3ab9ad313da188c7be33f66027c6a [2019-11-27 09:48:29,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:29,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:29,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:29,098 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:29,100 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:29,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 09:48:29,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347dca1ab/a769024f3848476b8825a49553150759/FLAGa6535e94a [2019-11-27 09:48:30,529 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:30,538 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 09:48:30,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347dca1ab/a769024f3848476b8825a49553150759/FLAGa6535e94a [2019-11-27 09:48:30,587 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347dca1ab/a769024f3848476b8825a49553150759 [2019-11-27 09:48:30,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:30,596 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:30,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:30,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:30,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:30,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:30" (1/1) ... [2019-11-27 09:48:30,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2952a928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:30, skipping insertion in model container [2019-11-27 09:48:30,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:30" (1/1) ... [2019-11-27 09:48:30,633 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:30,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:31,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:31,635 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:31,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:31,884 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:31,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31 WrapperNode [2019-11-27 09:48:31,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:31,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:31,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:31,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:31,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,982 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:31,991 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:31,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:31,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:32,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:32,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:32,087 INFO L168 Benchmark]: Toolchain (without parser) took 1483.44 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 972.6 MB in the end (delta: -10.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:32,088 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:32,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1287.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:32,096 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.85 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:32,100 INFO L168 Benchmark]: Boogie Preprocessor took 83.71 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:32,113 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1287.50 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.3 MB in the end (delta: -16.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 102.85 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 83.71 ms. Allocated memory is still 1.0 GB. Free memory is still 978.3 MB. There was no memory consumed. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:35,935 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:35,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:35,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:35,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:35,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:35,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:36,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:36,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:36,015 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:36,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:36,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:36,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:36,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:36,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:36,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:36,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:36,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:36,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:36,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:36,072 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:36,078 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:36,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:36,082 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:36,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:36,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:36,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:36,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:36,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:36,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:36,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:36,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:36,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:36,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:36,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:36,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:36,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:36,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:36,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:36,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:36,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:36,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:36,170 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:36,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:36,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:36,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:36,179 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:36,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:36,180 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:36,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:36,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:36,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:36,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:36,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:36,187 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:36,188 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:36,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:36,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:36,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:36,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:36,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:36,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:36,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:36,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:36,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:36,193 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:36,193 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:36,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:36,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:36,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:36,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:36,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:36,197 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c54128245d3ab9ad313da188c7be33f66027c6a [2019-11-27 09:48:36,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:36,828 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:36,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:36,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:36,841 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:36,843 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 09:48:37,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8058ca7/0198b46bcaa649d3947bbdecaed361d4/FLAGb5980bdb3 [2019-11-27 09:48:38,198 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:38,199 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 09:48:38,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8058ca7/0198b46bcaa649d3947bbdecaed361d4/FLAGb5980bdb3 [2019-11-27 09:48:38,706 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd8058ca7/0198b46bcaa649d3947bbdecaed361d4 [2019-11-27 09:48:38,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:38,714 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:38,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:38,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:38,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:38,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:38" (1/1) ... [2019-11-27 09:48:38,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696fbcb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:38, skipping insertion in model container [2019-11-27 09:48:38,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:38" (1/1) ... [2019-11-27 09:48:38,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:38,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:39,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:39,833 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:39,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:40,074 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:40,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40 WrapperNode [2019-11-27 09:48:40,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:40,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:40,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:40,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:40,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:40,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:40,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:40,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:40,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,279 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:40,329 INFO L168 Benchmark]: Toolchain (without parser) took 1614.13 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 974.0 MB in the end (delta: -13.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:40,337 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:40,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:40,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.88 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:40,346 INFO L168 Benchmark]: Boogie Preprocessor took 104.55 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:40,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1349.42 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 979.8 MB in the end (delta: -19.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 143.88 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 104.55 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...