./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 509859d6 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 0.1.24-509859d [2019-11-27 16:10:17,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:17,900 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:17,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:17,932 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:17,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:17,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:17,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:17,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:17,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:17,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:17,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:17,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:17,992 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:17,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:18,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:18,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:18,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:18,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:18,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:18,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:18,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:18,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:18,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:18,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:18,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:18,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:18,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:18,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:18,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:18,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:18,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:18,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:18,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:18,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:18,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:18,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:18,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:18,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:18,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:18,079 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:18,080 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:18,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:18,119 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:18,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:18,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:18,125 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:18,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:18,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:18,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:18,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:18,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:18,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:18,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:18,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:18,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:18,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:18,133 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:18,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:18,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:18,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:18,136 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:18,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:18,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:18,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:18,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:18,139 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:18,139 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:18,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:18,140 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:18,140 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c54128245d3ab9ad313da188c7be33f66027c6a [2019-11-27 16:10:18,692 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:18,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:18,723 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:18,727 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:18,728 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:18,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 16:10:18,883 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345736806/8c74e07fd2f34a0aa9129d9245bf0537/FLAGafece09b9 [2019-11-27 16:10:20,082 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:20,088 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 16:10:20,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345736806/8c74e07fd2f34a0aa9129d9245bf0537/FLAGafece09b9 [2019-11-27 16:10:20,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/345736806/8c74e07fd2f34a0aa9129d9245bf0537 [2019-11-27 16:10:20,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:20,180 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:20,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:20,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:20,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:20,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:20" (1/1) ... [2019-11-27 16:10:20,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@611e8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:20, skipping insertion in model container [2019-11-27 16:10:20,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:20" (1/1) ... [2019-11-27 16:10:20,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:20,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:21,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:21,290 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:21,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:21,553 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:21,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21 WrapperNode [2019-11-27 16:10:21,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:21,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:21,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:21,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:21,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:21,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:21,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:21,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:21,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:21" (1/1) ... [2019-11-27 16:10:21,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:21,815 INFO L168 Benchmark]: Toolchain (without parser) took 1631.06 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 973.9 MB in the end (delta: -6.5 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:21,819 INFO L168 Benchmark]: CDTParser took 2.09 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 16:10:21,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1369.14 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:21,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.63 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:21,826 INFO L168 Benchmark]: Boogie Preprocessor took 105.95 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:21,836 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.09 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 1369.14 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 973.9 MB in the end (delta: -6.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 142.63 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 105.95 ms. Allocated memory is still 1.0 GB. Free memory is still 973.9 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 0.1.24-509859d [2019-11-27 16:10:25,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:25,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:25,692 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:25,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:25,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:25,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:25,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:25,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:25,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:25,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:25,736 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:25,736 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:25,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:25,745 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:25,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:25,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:25,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:25,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:25,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:25,779 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:25,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:25,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:25,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:25,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:25,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:25,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:25,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:25,806 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:25,807 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:25,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:25,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:25,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:25,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:25,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:25,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:25,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:25,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:25,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:25,828 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:25,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:25,833 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:25,870 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:25,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:25,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:25,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:25,880 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:25,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:25,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:25,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:25,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:25,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:25,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:25,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:25,883 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:25,884 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:25,884 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:25,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:25,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:25,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:25,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:25,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:25,887 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:25,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:25,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:25,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:25,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:25,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:25,892 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:25,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:25,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:25,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:25,894 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c54128245d3ab9ad313da188c7be33f66027c6a [2019-11-27 16:10:26,493 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:26,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:26,528 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:26,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:26,533 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:26,535 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 16:10:26,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ea58556b/97a999a7f18e4749bbc24ab4156177f3/FLAGe5fc99d41 [2019-11-27 16:10:27,862 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:27,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/alternating_list-2.i [2019-11-27 16:10:27,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ea58556b/97a999a7f18e4749bbc24ab4156177f3/FLAGe5fc99d41 [2019-11-27 16:10:28,376 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ea58556b/97a999a7f18e4749bbc24ab4156177f3 [2019-11-27 16:10:28,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:28,391 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:28,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:28,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:28,404 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:28,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:28" (1/1) ... [2019-11-27 16:10:28,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4890b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:28, skipping insertion in model container [2019-11-27 16:10:28,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:28" (1/1) ... [2019-11-27 16:10:28,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:28,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:29,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:29,500 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:29,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:29,771 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:29,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29 WrapperNode [2019-11-27 16:10:29,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:29,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:29,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:29,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:29,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:29,941 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:29,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:29,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:29,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:29,993 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:30,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:30,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:30,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:29" (1/1) ... [2019-11-27 16:10:30,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:30,079 INFO L168 Benchmark]: Toolchain (without parser) took 1685.04 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 974.1 MB in the end (delta: -12.4 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:30,083 INFO L168 Benchmark]: CDTParser took 1.02 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:30,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1380.56 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 979.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:30,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:30,092 INFO L168 Benchmark]: Boogie Preprocessor took 131.40 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:30,099 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.02 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 1380.56 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 979.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 164.49 ms. Allocated memory is still 1.0 GB. Free memory is still 979.8 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 131.40 ms. Allocated memory is still 1.0 GB. Free memory was 979.8 MB in the beginning and 974.1 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...