./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list_flag-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 65d6cd23 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/list_flag-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 27e1465127a7716c3a524ea62953f8f9857cdca3 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/list_flag-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 27e1465127a7716c3a524ea62953f8f9857cdca3 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-25 22:53:28,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:28,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:28,774 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:28,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:28,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:28,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:28,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:28,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:28,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:28,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:28,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:28,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:28,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:28,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:28,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:28,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:28,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:28,841 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:28,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:28,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:28,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:28,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:28,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:28,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:28,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:28,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:28,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:28,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:28,891 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:28,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:28,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:28,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:28,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:28,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:28,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:28,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:28,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:28,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:28,915 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:28,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:28,918 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-25 22:53:28,959 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:28,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:28,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:28,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:28,966 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:28,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:28,968 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:28,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 22:53:28,968 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:28,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:28,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:28,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:28,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:28,973 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:28,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:28,974 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:28,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:28,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:28,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:28,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:28,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:28,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:28,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:28,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:28,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:28,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 22:53:28,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-25 22:53:28,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:28,982 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 -> 27e1465127a7716c3a524ea62953f8f9857cdca3 [2019-11-25 22:53:29,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:29,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:29,584 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:29,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:29,592 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:29,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-1.i [2019-11-25 22:53:29,740 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a425d23/6059eccb1c1a42f288e3b6382d46a26d/FLAG0f0f68440 [2019-11-25 22:53:30,937 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:30,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-1.i [2019-11-25 22:53:30,981 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a425d23/6059eccb1c1a42f288e3b6382d46a26d/FLAG0f0f68440 [2019-11-25 22:53:31,454 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01a425d23/6059eccb1c1a42f288e3b6382d46a26d [2019-11-25 22:53:31,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:31,461 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:31,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:31,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:31,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:31,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:31" (1/1) ... [2019-11-25 22:53:31,480 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:31, skipping insertion in model container [2019-11-25 22:53:31,480 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:31" (1/1) ... [2019-11-25 22:53:31,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:31,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:32,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:32,491 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:32,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:32,726 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:32,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32 WrapperNode [2019-11-25 22:53:32,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:32,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:32,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:32,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:32,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:32,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:32,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:32,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:32,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,929 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:32" (1/1) ... [2019-11-25 22:53:32,943 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:32,950 INFO L168 Benchmark]: Toolchain (without parser) took 1485.01 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 979.5 MB in the end (delta: -12.1 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:32,959 INFO L168 Benchmark]: CDTParser took 2.48 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. [2019-11-25 22:53:32,963 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1257.60 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 979.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:32,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:32,966 INFO L168 Benchmark]: Boogie Preprocessor took 91.66 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:32,972 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.48 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 1257.60 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 979.5 MB in the end (delta: -12.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 122.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 91.66 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 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 0.1.24-65d6cd2 [2019-11-25 22:53:36,892 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 22:53:36,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 22:53:36,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 22:53:36,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 22:53:36,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 22:53:36,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 22:53:36,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 22:53:36,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 22:53:36,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 22:53:36,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 22:53:36,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 22:53:36,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 22:53:36,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 22:53:36,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 22:53:36,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 22:53:36,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 22:53:37,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 22:53:37,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 22:53:37,016 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 22:53:37,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 22:53:37,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 22:53:37,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 22:53:37,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 22:53:37,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 22:53:37,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 22:53:37,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 22:53:37,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 22:53:37,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 22:53:37,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 22:53:37,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 22:53:37,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 22:53:37,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 22:53:37,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 22:53:37,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 22:53:37,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 22:53:37,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 22:53:37,075 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 22:53:37,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 22:53:37,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 22:53:37,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 22:53:37,083 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-25 22:53:37,124 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 22:53:37,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 22:53:37,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 22:53:37,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 22:53:37,132 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 22:53:37,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 22:53:37,134 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-25 22:53:37,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-25 22:53:37,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 22:53:37,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-25 22:53:37,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-25 22:53:37,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-25 22:53:37,139 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-25 22:53:37,139 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-25 22:53:37,140 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-25 22:53:37,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 22:53:37,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 22:53:37,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-25 22:53:37,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 22:53:37,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 22:53:37,144 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-25 22:53:37,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-25 22:53:37,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-25 22:53:37,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 22:53:37,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-25 22:53:37,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-25 22:53:37,148 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-25 22:53:37,148 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-25 22:53:37,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-25 22:53:37,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-25 22:53:37,152 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 -> 27e1465127a7716c3a524ea62953f8f9857cdca3 [2019-11-25 22:53:37,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 22:53:37,763 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 22:53:37,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 22:53:37,777 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 22:53:37,778 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 22:53:37,780 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list_flag-1.i [2019-11-25 22:53:37,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4cdff74/6479c82e3c9742e28d2a68d117ba47e0/FLAG99501e8ae [2019-11-25 22:53:39,134 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 22:53:39,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list_flag-1.i [2019-11-25 22:53:39,173 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4cdff74/6479c82e3c9742e28d2a68d117ba47e0/FLAG99501e8ae [2019-11-25 22:53:39,208 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f4cdff74/6479c82e3c9742e28d2a68d117ba47e0 [2019-11-25 22:53:39,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 22:53:39,224 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-25 22:53:39,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:39,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 22:53:39,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 22:53:39,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:39" (1/1) ... [2019-11-25 22:53:39,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5394ad8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:39, skipping insertion in model container [2019-11-25 22:53:39,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:53:39" (1/1) ... [2019-11-25 22:53:39,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 22:53:39,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-25 22:53:40,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:40,262 INFO L203 MainTranslator]: Completed pre-run [2019-11-25 22:53:40,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 22:53:40,517 INFO L208 MainTranslator]: Completed translation [2019-11-25 22:53:40,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40 WrapperNode [2019-11-25 22:53:40,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 22:53:40,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:40,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 22:53:40,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 22:53:40,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 22:53:40,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 22:53:40,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 22:53:40,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 22:53:40,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:53:40" (1/1) ... [2019-11-25 22:53:40,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 22:53:40,812 INFO L168 Benchmark]: Toolchain (without parser) took 1586.81 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 972.5 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:40,819 INFO L168 Benchmark]: CDTParser took 2.04 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. [2019-11-25 22:53:40,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1295.52 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:40,824 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.65 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-25 22:53:40,826 INFO L168 Benchmark]: Boogie Preprocessor took 125.52 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-25 22:53:40,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.04 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 1295.52 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 978.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 158.65 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 125.52 ms. Allocated memory is still 1.0 GB. Free memory was 978.2 MB in the beginning and 972.5 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...