./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/list-properties/list-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version da95e156 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-properties/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 6439b1baef116d71fdff38c675a38b8a29c42257 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/list-properties/list-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 6439b1baef116d71fdff38c675a38b8a29c42257 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-da95e15 [2019-11-27 09:48:29,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:29,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:29,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:29,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:29,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:29,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:29,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:29,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:29,529 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:29,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:29,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:29,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:29,540 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:29,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:29,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:29,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:29,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:29,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:29,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:29,586 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:29,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:29,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:29,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:29,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:29,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:29,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:29,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:29,633 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:29,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:29,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:29,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:29,641 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:29,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:29,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:29,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:29,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:29,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:29,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:29,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:29,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:29,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 09:48:29,702 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:29,704 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:29,711 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:29,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:29,714 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:29,714 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:29,714 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:29,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 09:48:29,715 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:29,715 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:29,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:29,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:29,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:29,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:29,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:29,720 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:29,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:29,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:29,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:29,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:29,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:29,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:29,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:29,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:29,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:29,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 09:48:29,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 09:48:29,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:29,728 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 -> 6439b1baef116d71fdff38c675a38b8a29c42257 [2019-11-27 09:48:30,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:30,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:30,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:30,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:30,394 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:30,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-2.i [2019-11-27 09:48:30,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de17b9adf/551bb4d5072c41d7971fe2dcee4f0002/FLAG3b789f745 [2019-11-27 09:48:31,781 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:31,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-2.i [2019-11-27 09:48:31,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de17b9adf/551bb4d5072c41d7971fe2dcee4f0002/FLAG3b789f745 [2019-11-27 09:48:31,852 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de17b9adf/551bb4d5072c41d7971fe2dcee4f0002 [2019-11-27 09:48:31,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:31,859 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:31,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:31,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:31,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:31,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,890 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 09:48:31, skipping insertion in model container [2019-11-27 09:48:31,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:31" (1/1) ... [2019-11-27 09:48:31,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:32,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:32,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:32,998 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:33,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:33,250 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:33,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33 WrapperNode [2019-11-27 09:48:33,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:33,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:33,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:33,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:33,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:33,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:33,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:33,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:33,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,412 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:33" (1/1) ... [2019-11-27 09:48:33,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:33,504 INFO L168 Benchmark]: Toolchain (without parser) took 1643.41 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 09:48:33,508 INFO L168 Benchmark]: CDTParser took 1.52 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:33,517 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1385.79 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 26.5 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:33,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 141.13 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 09:48:33,519 INFO L168 Benchmark]: Boogie Preprocessor took 101.26 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 09:48:33,528 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52 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 1385.79 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 26.5 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 141.13 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 101.26 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-da95e15 [2019-11-27 09:48:37,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 09:48:37,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 09:48:37,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 09:48:37,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 09:48:37,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 09:48:37,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 09:48:37,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 09:48:37,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 09:48:37,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 09:48:37,362 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 09:48:37,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 09:48:37,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 09:48:37,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 09:48:37,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 09:48:37,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 09:48:37,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 09:48:37,391 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 09:48:37,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 09:48:37,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 09:48:37,414 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 09:48:37,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 09:48:37,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 09:48:37,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 09:48:37,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 09:48:37,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 09:48:37,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 09:48:37,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 09:48:37,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 09:48:37,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 09:48:37,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 09:48:37,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 09:48:37,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 09:48:37,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 09:48:37,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 09:48:37,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 09:48:37,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 09:48:37,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 09:48:37,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 09:48:37,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 09:48:37,468 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 09:48:37,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 09:48:37,512 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 09:48:37,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 09:48:37,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 09:48:37,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 09:48:37,520 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 09:48:37,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 09:48:37,521 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 09:48:37,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 09:48:37,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 09:48:37,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 09:48:37,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 09:48:37,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 09:48:37,525 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 09:48:37,528 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 09:48:37,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 09:48:37,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 09:48:37,529 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 09:48:37,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 09:48:37,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 09:48:37,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 09:48:37,531 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 09:48:37,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 09:48:37,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 09:48:37,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 09:48:37,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 09:48:37,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 09:48:37,534 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 09:48:37,535 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 09:48:37,535 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 09:48:37,535 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 09:48:37,540 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 -> 6439b1baef116d71fdff38c675a38b8a29c42257 [2019-11-27 09:48:38,148 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 09:48:38,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 09:48:38,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 09:48:38,189 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 09:48:38,193 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 09:48:38,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-properties/list-2.i [2019-11-27 09:48:38,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fb71f3e/ad374cc1a5ed4e0287c383d30602d368/FLAGdfb595c48 [2019-11-27 09:48:39,560 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 09:48:39,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-properties/list-2.i [2019-11-27 09:48:39,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fb71f3e/ad374cc1a5ed4e0287c383d30602d368/FLAGdfb595c48 [2019-11-27 09:48:40,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20fb71f3e/ad374cc1a5ed4e0287c383d30602d368 [2019-11-27 09:48:40,084 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 09:48:40,086 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 09:48:40,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:40,101 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 09:48:40,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 09:48:40,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702095a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:40, skipping insertion in model container [2019-11-27 09:48:40,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 09:48:40" (1/1) ... [2019-11-27 09:48:40,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 09:48:40,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 09:48:41,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:41,200 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 09:48:41,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 09:48:41,476 INFO L208 MainTranslator]: Completed translation [2019-11-27 09:48:41,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41 WrapperNode [2019-11-27 09:48:41,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 09:48:41,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:41,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 09:48:41,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 09:48:41,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 09:48:41,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 09:48:41,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 09:48:41,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 09:48:41,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 09:48:41" (1/1) ... [2019-11-27 09:48:41,692 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 09:48:41,710 INFO L168 Benchmark]: Toolchain (without parser) took 1622.87 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 973.9 MB in the end (delta: -12.2 MB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:41,712 INFO L168 Benchmark]: CDTParser took 0.36 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 09:48:41,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1381.26 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:41,720 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.51 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 09:48:41,722 INFO L168 Benchmark]: Boogie Preprocessor took 111.67 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 09:48:41,738 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 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 1381.26 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 979.6 MB in the end (delta: -17.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 113.51 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 111.67 ms. Allocated memory is still 1.0 GB. Free memory was 979.6 MB in the beginning and 973.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...