./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/simple-1.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/simple-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 d0cf6b9a1a7372eb466349e319faa44cf865bdad ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/simple-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 d0cf6b9a1a7372eb466349e319faa44cf865bdad ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:10:20,725 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:20,728 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:20,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:20,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:20,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:20,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:20,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:20,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:20,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:20,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:20,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:20,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:20,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:20,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:20,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:20,821 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:20,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:20,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:20,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:20,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:20,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:20,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:20,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:20,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:20,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:20,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:20,873 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:20,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:20,878 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:20,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:20,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:20,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:20,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:20,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:20,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:20,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:20,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:20,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:20,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:20,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:20,902 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:20,952 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:20,955 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:20,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:20,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:20,963 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:20,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:20,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:20,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:20,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:20,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:20,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:20,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:20,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:20,972 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:20,972 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:20,973 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:20,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:20,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:20,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:20,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:20,976 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:20,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:20,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:20,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:20,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:20,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:20,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:20,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:20,981 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 -> d0cf6b9a1a7372eb466349e319faa44cf865bdad [2019-11-27 16:10:21,615 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:21,642 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:21,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:21,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:21,657 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:21,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple-1.i [2019-11-27 16:10:21,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b65fbff/4a09f02ff2194bf3a1ecbed55aa5fb8e/FLAG9dd54dbd4 [2019-11-27 16:10:23,004 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:23,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple-1.i [2019-11-27 16:10:23,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b65fbff/4a09f02ff2194bf3a1ecbed55aa5fb8e/FLAG9dd54dbd4 [2019-11-27 16:10:23,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b65fbff/4a09f02ff2194bf3a1ecbed55aa5fb8e [2019-11-27 16:10:23,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:23,100 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:23,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:23,103 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:23,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:23,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bcb722f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:23, skipping insertion in model container [2019-11-27 16:10:23,124 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:23" (1/1) ... [2019-11-27 16:10:23,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:23,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:24,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:24,131 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:24,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:24,368 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:24,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24 WrapperNode [2019-11-27 16:10:24,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:24,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:24,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:24,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:24,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:24,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:24,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:24,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24" (1/1) ... [2019-11-27 16:10:24,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,611 INFO L168 Benchmark]: Toolchain (without parser) took 1506.11 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 978.2 MB in the end (delta: -10.8 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,612 INFO L168 Benchmark]: CDTParser took 2.77 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 16:10:24,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1271.70 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.84 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. [2019-11-27 16:10:24,630 INFO L168 Benchmark]: Boogie Preprocessor took 96.55 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. [2019-11-27 16:10:24,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.77 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 1271.70 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 978.2 MB in the end (delta: -10.8 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.84 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 96.55 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. 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 16:10:28,376 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:28,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:28,418 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:28,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:28,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:28,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:28,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:28,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:28,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:28,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:28,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:28,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:28,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:28,471 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:28,483 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:28,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:28,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:28,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:28,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:28,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:28,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:28,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:28,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:28,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:28,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:28,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:28,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:28,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:28,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:28,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:28,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:28,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:28,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:28,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:28,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:28,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:28,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:28,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:28,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:28,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:28,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:28,611 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:28,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:28,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:28,619 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:28,619 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:28,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:28,622 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:28,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:28,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:28,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:28,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:28,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:28,625 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:28,627 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:28,627 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:28,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:28,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:28,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:28,629 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:28,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:28,630 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:28,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:28,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:28,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:28,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:28,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:28,635 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:28,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:28,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:28,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:28,637 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 -> d0cf6b9a1a7372eb466349e319faa44cf865bdad [2019-11-27 16:10:29,238 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:29,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:29,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:29,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:29,284 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:29,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/simple-1.i [2019-11-27 16:10:29,449 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1acf635ef/d2ff0d8a27794dafad8257af5647040c/FLAGcd6f76155 [2019-11-27 16:10:30,551 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:30,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/simple-1.i [2019-11-27 16:10:30,586 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1acf635ef/d2ff0d8a27794dafad8257af5647040c/FLAGcd6f76155 [2019-11-27 16:10:30,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1acf635ef/d2ff0d8a27794dafad8257af5647040c [2019-11-27 16:10:30,635 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:30,637 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:30,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:30,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:30,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:30,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:30" (1/1) ... [2019-11-27 16:10:30,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4f2291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:30, skipping insertion in model container [2019-11-27 16:10:30,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:30" (1/1) ... [2019-11-27 16:10:30,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:30,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:31,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:31,713 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:31,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:31,963 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:31,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31 WrapperNode [2019-11-27 16:10:31,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:31,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:31,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:31,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:31,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:32,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:32,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:32,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:32,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,123 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:31" (1/1) ... [2019-11-27 16:10:32,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:32,225 INFO L168 Benchmark]: Toolchain (without parser) took 1585.46 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. [2019-11-27 16:10:32,229 INFO L168 Benchmark]: CDTParser took 0.44 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 16:10:32,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1327.58 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 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:32,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.44 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. [2019-11-27 16:10:32,236 INFO L168 Benchmark]: Boogie Preprocessor took 121.25 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. [2019-11-27 16:10:32,247 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 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 1327.58 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 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 131.44 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 121.25 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...