./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/tree_del_rec.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6f84946a23811384977e5b05138b0d070e3ef96 ......................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6f84946a23811384977e5b05138b0d070e3ef96 ............................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: cannot convert to CFunction --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:14:33,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:33,694 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:33,704 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:33,705 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:33,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:33,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:33,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:33,710 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:33,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:33,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:33,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:33,713 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:33,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:33,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:33,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:33,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:33,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:33,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:33,721 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:33,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:33,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:33,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:33,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:33,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:33,729 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:33,729 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:33,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:33,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:33,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:33,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:33,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:33,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:33,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:33,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:33,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:33,736 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:33,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:33,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:33,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:33,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:33,739 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:14:33,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:33,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:33,753 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:33,753 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:33,754 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:33,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:33,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:33,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:33,756 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:33,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:33,756 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:33,756 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:33,756 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:33,756 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:33,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:33,757 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:33,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:33,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:33,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:33,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:33,758 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:33,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:33,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:33,759 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak 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 -> Kojak 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 -> b6f84946a23811384977e5b05138b0d070e3ef96 [2019-10-22 10:14:33,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:33,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:33,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:33,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:33,813 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:33,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_rec.c [2019-10-22 10:14:33,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/2f3951776/4c4b20d30e1742dd916fcd11ec3960e6/FLAGcc110c0ad [2019-10-22 10:14:34,278 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:34,279 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/sv-benchmarks/c/verifythis/tree_del_rec.c [2019-10-22 10:14:34,285 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/2f3951776/4c4b20d30e1742dd916fcd11ec3960e6/FLAGcc110c0ad [2019-10-22 10:14:34,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/2f3951776/4c4b20d30e1742dd916fcd11ec3960e6 [2019-10-22 10:14:34,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:34,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:34,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:34,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:34,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:34,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:34" (1/1) ... [2019-10-22 10:14:34,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@639d099c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:34, skipping insertion in model container [2019-10-22 10:14:34,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:34" (1/1) ... [2019-10-22 10:14:34,318 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:34,340 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:34,660 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: cannot convert to CFunction at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:677) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 10:14:34,669 INFO L168 Benchmark]: Toolchain (without parser) took 369.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:34,671 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:34,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:34,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: cannot convert to CFunction de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: cannot convert to CFunction: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:704) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 10:14:36,897 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:36,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:36,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:36,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:36,911 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:36,912 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:36,914 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:36,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:36,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:36,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:36,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:36,919 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:36,920 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:36,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:36,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:36,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:36,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:36,925 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:36,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:36,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:36,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:36,931 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:36,932 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:36,934 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:36,934 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:36,934 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:36,935 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:36,936 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:36,937 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:36,937 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:36,938 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:36,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:36,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:36,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:36,940 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:36,941 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:36,941 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:36,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:36,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:36,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:36,943 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-10-22 10:14:36,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:36,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:36,957 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:36,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:36,958 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:36,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:36,959 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:36,959 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:36,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:36,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:36,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:36,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:36,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:36,960 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 10:14:36,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 10:14:36,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:36,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:36,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:36,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:36,961 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:36,961 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:36,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:36,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:36,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:36,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:36,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:36,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:36,963 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 10:14:36,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 10:14:36,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:36,963 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-10-22 10:14:36,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 10:14:36,963 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak 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 -> Kojak 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 -> b6f84946a23811384977e5b05138b0d070e3ef96 [2019-10-22 10:14:36,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:37,023 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:37,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:37,029 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:37,029 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:37,031 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_rec.c [2019-10-22 10:14:37,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/53aa5e9aa/b7607f25d8604fa6b100e472b05078e7/FLAG644b5bbf0 [2019-10-22 10:14:37,498 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:37,499 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/sv-benchmarks/c/verifythis/tree_del_rec.c [2019-10-22 10:14:37,506 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/53aa5e9aa/b7607f25d8604fa6b100e472b05078e7/FLAG644b5bbf0 [2019-10-22 10:14:37,855 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b595b7fd-dc69-4411-8726-bfcd42567c0c/bin/ukojak/data/53aa5e9aa/b7607f25d8604fa6b100e472b05078e7 [2019-10-22 10:14:37,858 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:37,859 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:37,860 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:37,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:37,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:37,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:37" (1/1) ... [2019-10-22 10:14:37,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a42de6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:37, skipping insertion in model container [2019-10-22 10:14:37,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:37" (1/1) ... [2019-10-22 10:14:37,875 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:37,895 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:38,087 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: cannot convert to CFunction at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:704) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2422) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:677) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1432) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:906) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2176) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:187) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:92) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 10:14:38,093 INFO L168 Benchmark]: Toolchain (without parser) took 232.90 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:38,093 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:38,095 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.23 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:38,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 230.23 ms. Allocated memory is still 1.0 GB. Free memory was 948.3 MB in the beginning and 937.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: cannot convert to CFunction de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: cannot convert to CFunction: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:704) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...