./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 32f26835 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 0.1.24-32f2683 [2019-11-24 21:07:13,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:13,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:13,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:13,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:13,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:13,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:13,794 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:13,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:13,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:13,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:13,813 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:13,813 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:13,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:13,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:13,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:13,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:13,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:13,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:13,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:13,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:13,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:13,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:13,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:13,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:13,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:13,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:13,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:13,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:13,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:13,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:13,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:13,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:13,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:13,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:13,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:13,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:13,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:13,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:13,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:13,910 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:13,911 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-24 21:07:13,953 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:13,953 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:13,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:13,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:13,959 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:13,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:13,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:13,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 21:07:13,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:13,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:13,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:13,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:13,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:13,967 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:13,967 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:13,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:13,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:13,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:13,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:13,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:13,972 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:13,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:13,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:13,973 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:13,973 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:13,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:13,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 21:07:13,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 21:07:13,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:13,977 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 [2019-11-24 21:07:14,579 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:14,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:14,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:14,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:14,622 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:14,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-24 21:07:14,772 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feffa5a78/3c10fd588db5462187cb988cd1633b06/FLAG8441e2ca1 [2019-11-24 21:07:16,038 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:16,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-24 21:07:16,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feffa5a78/3c10fd588db5462187cb988cd1633b06/FLAG8441e2ca1 [2019-11-24 21:07:16,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feffa5a78/3c10fd588db5462187cb988cd1633b06 [2019-11-24 21:07:16,123 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:16,125 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:16,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:16,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:16,143 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:16,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:16" (1/1) ... [2019-11-24 21:07:16,151 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 24.11 09:07:16, skipping insertion in model container [2019-11-24 21:07:16,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:16" (1/1) ... [2019-11-24 21:07:16,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:16,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:17,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:17,230 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:17,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:17,501 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:17,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17 WrapperNode [2019-11-24 21:07:17,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:17,507 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:17,507 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:17,508 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:17,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:17,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:17,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:17,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:17,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,651 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,663 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:17" (1/1) ... [2019-11-24 21:07:17,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:17,713 INFO L168 Benchmark]: Toolchain (without parser) took 1576.81 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 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. [2019-11-24 21:07:17,725 INFO L168 Benchmark]: CDTParser took 1.72 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. [2019-11-24 21:07:17,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1368.34 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. [2019-11-24 21:07:17,732 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.41 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. [2019-11-24 21:07:17,733 INFO L168 Benchmark]: Boogie Preprocessor took 79.89 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. [2019-11-24 21:07:17,744 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72 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 1368.34 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 112.41 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 79.89 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 0.1.24-32f2683 [2019-11-24 21:07:21,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 21:07:21,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 21:07:21,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 21:07:21,760 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 21:07:21,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 21:07:21,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 21:07:21,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 21:07:21,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 21:07:21,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 21:07:21,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 21:07:21,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 21:07:21,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 21:07:21,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 21:07:21,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 21:07:21,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 21:07:21,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 21:07:21,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 21:07:21,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 21:07:21,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 21:07:21,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 21:07:21,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 21:07:21,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 21:07:21,870 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 21:07:21,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 21:07:21,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 21:07:21,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 21:07:21,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 21:07:21,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 21:07:21,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 21:07:21,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 21:07:21,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 21:07:21,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 21:07:21,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 21:07:21,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 21:07:21,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 21:07:21,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 21:07:21,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 21:07:21,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 21:07:21,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 21:07:21,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 21:07:21,910 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-24 21:07:21,951 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 21:07:21,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 21:07:21,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 21:07:21,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 21:07:21,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 21:07:21,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 21:07:21,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 21:07:21,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 21:07:21,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 21:07:21,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 21:07:21,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 21:07:21,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 21:07:21,967 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 21:07:21,967 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 21:07:21,967 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 21:07:21,968 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 21:07:21,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 21:07:21,968 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 21:07:21,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 21:07:21,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 21:07:21,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 21:07:21,973 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 21:07:21,973 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 21:07:21,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 21:07:21,974 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 21:07:21,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 21:07:21,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 21:07:21,975 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 21:07:21,975 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 21:07:21,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 21:07:21,979 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 21:07:21,979 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 [2019-11-24 21:07:22,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 21:07:22,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 21:07:22,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 21:07:22,583 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 21:07:22,584 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 21:07:22,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-24 21:07:22,744 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba69b12d/6fa51ffb8667442faa1ea78dd5867b28/FLAGc4a7c8b32 [2019-11-24 21:07:23,987 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 21:07:23,990 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-24 21:07:24,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba69b12d/6fa51ffb8667442faa1ea78dd5867b28/FLAGc4a7c8b32 [2019-11-24 21:07:24,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ba69b12d/6fa51ffb8667442faa1ea78dd5867b28 [2019-11-24 21:07:24,081 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 21:07:24,086 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-24 21:07:24,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:24,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 21:07:24,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 21:07:24,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:24" (1/1) ... [2019-11-24 21:07:24,112 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 24.11 09:07:24, skipping insertion in model container [2019-11-24 21:07:24,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 09:07:24" (1/1) ... [2019-11-24 21:07:24,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 21:07:24,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 21:07:25,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:25,201 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 21:07:25,335 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 21:07:25,478 INFO L208 MainTranslator]: Completed translation [2019-11-24 21:07:25,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25 WrapperNode [2019-11-24 21:07:25,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 21:07:25,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:25,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 21:07:25,487 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 21:07:25,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 21:07:25,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 21:07:25,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 21:07:25,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 21:07:25,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,691 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,734 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 09:07:25" (1/1) ... [2019-11-24 21:07:25,769 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 21:07:25,779 INFO L168 Benchmark]: Toolchain (without parser) took 1691.86 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 967.0 MB in the end (delta: -5.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:25,783 INFO L168 Benchmark]: CDTParser took 2.30 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. [2019-11-24 21:07:25,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1394.27 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 972.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:25,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.01 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 21:07:25,789 INFO L168 Benchmark]: Boogie Preprocessor took 119.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-24 21:07:25,800 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.30 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 1394.27 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 972.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 167.01 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 119.42 ms. Allocated memory is still 1.0 GB. Free memory was 972.8 MB in the beginning and 967.0 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...