./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/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 a15135be85f1667031698ec5147a101594d0ac7b ......................................................................................................................................................... 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/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/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 a15135be85f1667031698ec5147a101594d0ac7b ............................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: cannot convert to CFunction --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:59:05,373 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:59:05,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:59:05,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:59:05,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:59:05,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:59:05,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:59:05,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:59:05,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:59:05,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:59:05,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:59:05,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:59:05,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:59:05,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:59:05,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:59:05,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:59:05,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:59:05,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:59:05,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:59:05,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:59:05,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:59:05,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:59:05,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:59:05,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:59:05,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:59:05,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:59:05,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:59:05,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:59:05,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:59:05,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:59:05,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:59:05,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:59:05,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:59:05,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:59:05,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:59:05,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:59:05,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:59:05,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:59:05,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:59:05,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:59:05,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:59:05,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 22:59:05,468 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:59:05,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:59:05,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:59:05,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:59:05,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:59:05,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:59:05,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:59:05,481 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:59:05,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:59:05,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:59:05,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:59:05,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:59:05,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:59:05,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:59:05,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:59:05,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:59:05,483 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:59:05,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:59:05,483 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:59:05,483 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:59:05,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:59:05,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:59:05,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:59:05,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:59:05,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:59:05,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:59:05,486 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 22:59:05,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:59:05,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:59:05,487 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/run_dir_33695904-d58c-4438-af29-790eae8c4509/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 -> a15135be85f1667031698ec5147a101594d0ac7b [2019-11-19 22:59:05,670 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:59:05,686 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:59:05,689 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:59:05,697 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:59:05,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:59:05,698 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-19 22:59:05,763 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/32952b7a6/4f1546b1c1d04513a449f23542ad0f50/FLAG52618019c [2019-11-19 22:59:06,156 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:59:06,157 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-19 22:59:06,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/32952b7a6/4f1546b1c1d04513a449f23542ad0f50/FLAG52618019c [2019-11-19 22:59:06,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/32952b7a6/4f1546b1c1d04513a449f23542ad0f50 [2019-11-19 22:59:06,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:59:06,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:59:06,180 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:59:06,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:59:06,184 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:59:06,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:06" (1/1) ... [2019-11-19 22:59:06,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b40ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:06, skipping insertion in model container [2019-11-19 22:59:06,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:06" (1/1) ... [2019-11-19 22:59:06,197 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:59:06,222 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:59:06,505 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-19 22:59:06,513 INFO L168 Benchmark]: Toolchain (without parser) took 330.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:59:06,514 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:59:06,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:59:06,518 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -210.9 MB). Peak memory consumption was 22.9 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 0.1.24-678e011 [2019-11-19 22:59:08,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:59:08,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:59:08,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:59:08,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:59:08,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:59:08,264 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:59:08,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:59:08,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:59:08,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:59:08,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:59:08,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:59:08,272 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:59:08,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:59:08,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:59:08,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:59:08,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:59:08,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:59:08,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:59:08,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:59:08,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:59:08,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:59:08,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:59:08,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:59:08,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:59:08,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:59:08,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:59:08,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:59:08,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:59:08,290 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:59:08,291 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:59:08,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:59:08,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:59:08,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:59:08,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:59:08,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:59:08,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:59:08,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:59:08,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:59:08,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:59:08,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:59:08,301 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-19 22:59:08,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:59:08,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:59:08,323 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 22:59:08,323 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 22:59:08,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:59:08,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:59:08,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:59:08,325 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:59:08,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:59:08,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:59:08,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:59:08,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:59:08,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:59:08,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-19 22:59:08,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-19 22:59:08,328 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:59:08,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:59:08,329 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:59:08,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:59:08,329 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 22:59:08,329 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 22:59:08,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:59:08,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:59:08,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 22:59:08,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:59:08,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:59:08,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:59:08,332 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-19 22:59:08,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-19 22:59:08,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:59:08,332 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-19 22:59:08,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-19 22:59:08,333 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/run_dir_33695904-d58c-4438-af29-790eae8c4509/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 -> a15135be85f1667031698ec5147a101594d0ac7b [2019-11-19 22:59:08,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:59:08,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:59:08,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:59:08,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:59:08,679 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:59:08,680 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-19 22:59:08,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/13d2b6f1c/407206985cb3448197afb2b6fae36e7f/FLAG441473a1a [2019-11-19 22:59:09,122 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:59:09,123 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-19 22:59:09,129 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/13d2b6f1c/407206985cb3448197afb2b6fae36e7f/FLAG441473a1a [2019-11-19 22:59:09,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_33695904-d58c-4438-af29-790eae8c4509/bin/ukojak/data/13d2b6f1c/407206985cb3448197afb2b6fae36e7f [2019-11-19 22:59:09,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:59:09,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:59:09,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:59:09,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:59:09,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:59:09,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:09" (1/1) ... [2019-11-19 22:59:09,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a954c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:59:09, skipping insertion in model container [2019-11-19 22:59:09,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:59:09" (1/1) ... [2019-11-19 22:59:09,529 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:59:09,558 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:59:09,782 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-19 22:59:09,792 INFO L168 Benchmark]: Toolchain (without parser) took 278.40 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:59:09,793 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:59:09,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:59:09,797 INFO L335 ainManager$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 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.04 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 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...