./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/dancing.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/heap-manipulation/dancing.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 63ea7ed840682b4e196bd141458679e7836ad115 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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/heap-manipulation/dancing.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 63ea7ed840682b4e196bd141458679e7836ad115 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 16:10:12,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:12,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:12,718 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:12,720 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:12,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:12,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:12,746 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:12,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:12,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:12,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:12,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:12,764 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:12,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:12,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:12,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:12,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:12,785 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:12,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:12,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:12,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:12,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:12,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:12,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:12,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:12,832 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:12,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:12,838 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:12,839 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:12,840 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:12,840 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:12,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:12,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:12,847 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:12,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:12,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:12,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:12,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:12,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:12,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:12,863 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:12,865 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 16:10:12,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:12,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:12,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:12,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:12,912 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:12,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:12,914 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:12,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 16:10:12,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:12,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:12,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:12,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:12,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:12,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:12,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:12,922 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:12,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:12,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:12,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:12,925 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:12,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:12,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:12,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:12,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:12,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:12,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 16:10:12,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 16:10:12,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:12,931 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 -> 63ea7ed840682b4e196bd141458679e7836ad115 [2019-11-27 16:10:13,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:13,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:13,532 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:13,538 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:13,538 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:13,541 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 16:10:13,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923cb53fe/01c265eca53a40dc8894b974a3de29df/FLAG96efddc0c [2019-11-27 16:10:14,927 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:14,929 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 16:10:14,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923cb53fe/01c265eca53a40dc8894b974a3de29df/FLAG96efddc0c [2019-11-27 16:10:15,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923cb53fe/01c265eca53a40dc8894b974a3de29df [2019-11-27 16:10:15,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:15,017 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:15,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:15,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:15,032 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:15,033 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f4bb1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:15, skipping insertion in model container [2019-11-27 16:10:15,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:15" (1/1) ... [2019-11-27 16:10:15,066 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:15,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:15,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,006 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:16,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:16,276 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:16,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16 WrapperNode [2019-11-27 16:10:16,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:16,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:16,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:16,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:16,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:16,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:16,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:16,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,442 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:16" (1/1) ... [2019-11-27 16:10:16,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:16,503 INFO L168 Benchmark]: Toolchain (without parser) took 1482.68 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 962.5 MB in the end (delta: -820.8 kB). There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:16,504 INFO L168 Benchmark]: CDTParser took 1.93 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 16:10:16,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1258.94 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.17 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:16,526 INFO L168 Benchmark]: Boogie Preprocessor took 85.21 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:16,532 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93 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 1258.94 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 968.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 127.17 ms. Allocated memory is still 1.0 GB. Free memory is still 968.2 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 85.21 ms. Allocated memory is still 1.0 GB. Free memory was 968.2 MB in the beginning and 962.5 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... ### Bit-precise run ### This is Ultimate 0.1.24-509859d [2019-11-27 16:10:20,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 16:10:20,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 16:10:20,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 16:10:20,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 16:10:20,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 16:10:20,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 16:10:20,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 16:10:20,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 16:10:20,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 16:10:20,488 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 16:10:20,491 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 16:10:20,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 16:10:20,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 16:10:20,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 16:10:20,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 16:10:20,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 16:10:20,517 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 16:10:20,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 16:10:20,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 16:10:20,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 16:10:20,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 16:10:20,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 16:10:20,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 16:10:20,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 16:10:20,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 16:10:20,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 16:10:20,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 16:10:20,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 16:10:20,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 16:10:20,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 16:10:20,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 16:10:20,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 16:10:20,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 16:10:20,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 16:10:20,584 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 16:10:20,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 16:10:20,588 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 16:10:20,588 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 16:10:20,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 16:10:20,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 16:10:20,597 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 16:10:20,638 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 16:10:20,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 16:10:20,644 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 16:10:20,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 16:10:20,646 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 16:10:20,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 16:10:20,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 16:10:20,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 16:10:20,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 16:10:20,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 16:10:20,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 16:10:20,652 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 16:10:20,652 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 16:10:20,653 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 16:10:20,656 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 16:10:20,656 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 16:10:20,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 16:10:20,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 16:10:20,657 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 16:10:20,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 16:10:20,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 16:10:20,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 16:10:20,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 16:10:20,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 16:10:20,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 16:10:20,661 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 16:10:20,661 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 16:10:20,661 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 16:10:20,662 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 16:10:20,662 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 16:10:20,665 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 -> 63ea7ed840682b4e196bd141458679e7836ad115 [2019-11-27 16:10:21,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 16:10:21,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 16:10:21,297 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 16:10:21,300 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 16:10:21,304 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 16:10:21,306 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 16:10:21,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12f395d6/8f5c2ccd30524fe48a33dd5959e2e8f5/FLAG113bf0e0c [2019-11-27 16:10:22,724 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 16:10:22,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dancing.i [2019-11-27 16:10:22,764 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12f395d6/8f5c2ccd30524fe48a33dd5959e2e8f5/FLAG113bf0e0c [2019-11-27 16:10:22,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c12f395d6/8f5c2ccd30524fe48a33dd5959e2e8f5 [2019-11-27 16:10:22,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 16:10:22,821 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-27 16:10:22,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:22,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 16:10:22,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 16:10:22,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:22" (1/1) ... [2019-11-27 16:10:22,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c493f8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:22, skipping insertion in model container [2019-11-27 16:10:22,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 04:10:22" (1/1) ... [2019-11-27 16:10:22,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 16:10:22,970 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 16:10:23,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:23,868 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 16:10:24,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 16:10:24,133 INFO L208 MainTranslator]: Completed translation [2019-11-27 16:10:24,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 04:10:24 WrapperNode [2019-11-27 16:10:24,134 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 16:10:24,135 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:24,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 16:10:24,136 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 16:10:24,154 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 16:10:24,206 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 16:10:24,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 16:10:24,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 16:10:24,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 16:10:24,267 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 16:10:24,267 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 16:10:24,278 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 16:10:24,278 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 16:10:24,322 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 16:10:24,346 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 16:10:24,362 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 16:10:24,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 16:10:24,383 INFO L168 Benchmark]: Toolchain (without parser) took 1557.60 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 966.8 MB in the end (delta: 626.2 kB). Peak memory consumption was 691.7 kB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,385 INFO L168 Benchmark]: CDTParser took 0.40 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 16:10:24,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1309.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 119.71 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-27 16:10:24,392 INFO L168 Benchmark]: Boogie Preprocessor took 120.44 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-27 16:10:24,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 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 1309.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 967.4 MB in the beginning and 972.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 119.71 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 120.44 ms. Allocated memory is still 1.0 GB. Free memory was 972.5 MB in the beginning and 966.8 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...