./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/alternating_list-1.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-1.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 c86c31ba65e8769cfdcc728bfa7fc9963ff0709c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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-1.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 c86c31ba65e8769cfdcc728bfa7fc9963ff0709c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 09:48:27,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:27,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:27,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:27,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:27,707 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:27,720 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:27,731 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:27,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:27,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:27,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:27,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:27,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:27,751 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:27,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:27,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:27,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:27,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:27,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:27,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:27,772 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:27,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:27,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:27,781 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:27,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:27,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:27,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:27,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:27,790 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:27,793 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:27,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:27,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:27,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:27,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:27,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:27,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:27,809 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:27,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:27,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:27,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:27,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:27,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:27,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:27,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:27,866 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:27,866 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:27,866 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:27,867 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:27,867 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:27,867 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:27,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:27,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:27,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:27,873 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:27,873 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:27,874 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:27,874 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:27,874 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:27,874 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:27,875 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:27,875 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:27,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:27,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:27,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:27,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:27,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:27,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:27,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:27,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:27,883 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:27,883 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-27 09:48:28,475 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:28,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:28,511 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:28,517 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:28,517 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:28,518 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 09:48:28,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03024b42e/d37adec55e574a8f85435424d3407d08/FLAG6e0ae546d [2019-11-27 09:48:29,842 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:29,847 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 09:48:29,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03024b42e/d37adec55e574a8f85435424d3407d08/FLAG6e0ae546d [2019-11-27 09:48:29,931 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03024b42e/d37adec55e574a8f85435424d3407d08 [2019-11-27 09:48:29,939 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:29,943 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:29,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:29,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:29,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:29,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35365046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:29, skipping insertion in model container [2019-11-27 09:48:29,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:29" (1/1) ... [2019-11-27 09:48:29,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:30,088 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:30,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:30,984 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:31,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:31,233 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:31,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:31 WrapperNode [2019-11-27 09:48:31,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:31,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:31,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:31,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:31,262 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 09:48:31,316 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 09:48:31,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:31,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:31,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:31,372 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:31,382 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 09:48:31,383 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 09:48:31,394 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 09:48:31,395 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 09:48:31,419 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 09:48:31,437 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 09:48:31,447 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 09:48:31,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:31,466 INFO L168 Benchmark]: Toolchain (without parser) took 1517.35 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.8 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:31,477 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:31,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1293.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:31,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:31,484 INFO L168 Benchmark]: Boogie Preprocessor took 82.14 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:31,496 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1293.73 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 978.5 MB in the end (delta: -11.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 129.88 ms. Allocated memory is still 1.0 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 82.14 ms. Allocated memory is still 1.0 GB. Free memory was 978.5 MB in the beginning and 972.8 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... ### Bit-precise run ### This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:35,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:35,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:35,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:35,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:35,381 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:35,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:35,413 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:35,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:35,425 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:35,427 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:35,430 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:35,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:35,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:35,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:35,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:35,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:35,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:35,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:35,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:35,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:35,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:35,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:35,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:35,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:35,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:35,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:35,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:35,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:35,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:35,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:35,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:35,508 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:35,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:35,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:35,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:35,517 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:35,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:35,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:35,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:35,522 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:35,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:35,566 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:35,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:35,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:35,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:35,576 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:35,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:35,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:35,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:35,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:35,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:35,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:35,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:35,580 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:35,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:35,580 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:35,582 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:35,582 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:35,582 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:35,583 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:35,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:35,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:35,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:35,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:35,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:35,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:35,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:35,587 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:35,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:35,588 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:35,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:35,591 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 -> c86c31ba65e8769cfdcc728bfa7fc9963ff0709c [2019-11-27 09:48:36,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:36,236 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:36,245 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:36,247 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:36,248 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:36,250 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 09:48:36,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03bc6098/11d1aa8ff591450c8b1cd3e1041cad83/FLAG8b0655e85 [2019-11-27 09:48:37,571 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:37,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-1.i [2019-11-27 09:48:37,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03bc6098/11d1aa8ff591450c8b1cd3e1041cad83/FLAG8b0655e85 [2019-11-27 09:48:38,078 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03bc6098/11d1aa8ff591450c8b1cd3e1041cad83 [2019-11-27 09:48:38,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:38,087 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:38,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:38,096 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:38,100 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:38,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:38" (1/1) ... [2019-11-27 09:48:38,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d04ec8 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 09:48:38,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:38" (1/1) ... [2019-11-27 09:48:38,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:38,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:39,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:39,153 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:39,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:39,404 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:39,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39 WrapperNode [2019-11-27 09:48:39,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:39,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:39,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:39,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:39,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:39,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:39,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:39,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:39,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:39" (1/1) ... [2019-11-27 09:48:39,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:39,688 INFO L168 Benchmark]: Toolchain (without parser) took 1597.85 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 973.9 MB in the end (delta: -7.9 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:39,695 INFO L168 Benchmark]: CDTParser took 3.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:39,699 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1313.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:39,701 INFO L168 Benchmark]: Boogie Procedure Inliner took 163.65 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:39,702 INFO L168 Benchmark]: Boogie Preprocessor took 107.94 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:39,715 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.58 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1313.47 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 966.0 MB in the beginning and 979.6 MB in the end (delta: -13.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 163.65 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 107.94 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 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...