./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/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_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/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 0.1.24-6b5699a [2019-11-26 02:05:31,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:05:31,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:05:31,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:05:31,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:05:31,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:05:31,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:05:31,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:05:31,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:05:31,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:05:31,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:05:31,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:05:31,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:05:31,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:05:31,043 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:05:31,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:05:31,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:05:31,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:05:31,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:05:31,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:05:31,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:05:31,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:05:31,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:05:31,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:05:31,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:05:31,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:05:31,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:05:31,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:05:31,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:05:31,068 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:05:31,068 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:05:31,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:05:31,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:05:31,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:05:31,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:05:31,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:05:31,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:05:31,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:05:31,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:05:31,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:05:31,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:05:31,075 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:05:31,100 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:05:31,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:05:31,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:05:31,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:05:31,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:05:31,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:05:31,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:05:31,105 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:05:31,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:05:31,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:05:31,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:05:31,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:05:31,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:05:31,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:05:31,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:05:31,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:05:31,108 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:05:31,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:05:31,108 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:05:31,109 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:05:31,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:05:31,111 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:05:31,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:05:31,112 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:05:31,112 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:05:31,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:05:31,113 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:05:31,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:05:31,113 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:05:31,114 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_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/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 [2019-11-26 02:05:31,263 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:05:31,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:05:31,276 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:05:31,278 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:05:31,278 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:05:31,279 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-26 02:05:31,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/6ee5d5ecb/1d0f8fc5dca04289bf8f2d0a91cfb2d2/FLAG6381b423d [2019-11-26 02:05:31,698 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:05:31,698 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-26 02:05:31,704 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/6ee5d5ecb/1d0f8fc5dca04289bf8f2d0a91cfb2d2/FLAG6381b423d [2019-11-26 02:05:32,042 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/6ee5d5ecb/1d0f8fc5dca04289bf8f2d0a91cfb2d2 [2019-11-26 02:05:32,044 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:05:32,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:05:32,045 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:05:32,045 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:05:32,049 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:05:32,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:05:32" (1/1) ... [2019-11-26 02:05:32,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648ac8dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:32, skipping insertion in model container [2019-11-26 02:05:32,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:05:32" (1/1) ... [2019-11-26 02:05:32,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:05:32,077 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:05:32,361 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:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:710) 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:1300) 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:993) 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:1519) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:05:32,371 INFO L168 Benchmark]: Toolchain (without parser) took 324.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:32,371 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:05:32,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:32,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 23.1 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:706) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:05:33,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:05:33,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:05:34,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:05:34,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:05:34,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:05:34,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:05:34,016 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:05:34,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:05:34,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:05:34,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:05:34,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:05:34,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:05:34,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:05:34,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:05:34,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:05:34,032 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:05:34,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:05:34,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:05:34,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:05:34,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:05:34,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:05:34,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:05:34,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:05:34,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:05:34,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:05:34,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:05:34,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:05:34,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:05:34,057 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:05:34,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:05:34,058 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:05:34,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:05:34,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:05:34,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:05:34,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:05:34,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:05:34,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:05:34,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:05:34,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:05:34,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:05:34,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-26 02:05:34,075 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:05:34,076 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:05:34,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:05:34,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:05:34,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:05:34,077 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:05:34,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:05:34,078 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:05:34,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:05:34,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:05:34,079 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:05:34,079 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:05:34,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:05:34,079 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:05:34,079 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:05:34,080 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:05:34,080 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:05:34,080 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:05:34,080 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:05:34,080 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:05:34,081 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:05:34,081 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:05:34,081 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:05:34,081 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:05:34,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:05:34,082 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:05:34,082 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:05:34,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:05:34,083 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:05:34,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:05:34,083 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:05:34,083 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-26 02:05:34,083 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:05:34,084 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_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/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 [2019-11-26 02:05:34,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:05:34,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:05:34,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:05:34,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:05:34,361 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:05:34,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-26 02:05:34,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/564c619bd/5e10be10711d436d8e4d64856beb7938/FLAGc3b26a96d [2019-11-26 02:05:34,820 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:05:34,823 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/sv-benchmarks/c/verifythis/tree_del_rec_incorrect.c [2019-11-26 02:05:34,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/564c619bd/5e10be10711d436d8e4d64856beb7938/FLAGc3b26a96d [2019-11-26 02:05:35,235 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ba62a9ec-e57a-4710-8317-0cb1c4acb8fb/bin/ukojak/data/564c619bd/5e10be10711d436d8e4d64856beb7938 [2019-11-26 02:05:35,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:05:35,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:05:35,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:05:35,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:05:35,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:05:35,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:05:35" (1/1) ... [2019-11-26 02:05:35,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3339e0d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:05:35, skipping insertion in model container [2019-11-26 02:05:35,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:05:35" (1/1) ... [2019-11-26 02:05:35,252 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:05:35,275 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:05:35,412 INFO L965 CHandler]: Found a cast between two array/pointer types where the value type is smaller than the cast-to type, and where that value type is smaller than our current memory model resolution [2019-11-26 02:05:35,412 INFO L968 CHandler]: at location: C: (struct node *)malloc(sizeof(struct node)) [23] [2019-11-26 02:05:35,413 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:05:35,424 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:706) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.makeAssignment(CHandler.java:2509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:710) 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:1300) 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:993) 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:1519) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:05:35,430 INFO L168 Benchmark]: Toolchain (without parser) took 190.42 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:35,430 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:05:35,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.12 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:05:35,433 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.12 ms. Allocated memory is still 1.0 GB. Free memory was 955.1 MB in the beginning and 944.3 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:706) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...