./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/tree_del_iter_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_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3ff8ae763cd253b2864cd8208bb318e170f6466 ............................................................................................................................................................. 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_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3ff8ae763cd253b2864cd8208bb318e170f6466 .............................................................................................................................................................. 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 02:16:57,425 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:16:57,427 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:16:57,441 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:16:57,442 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:16:57,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:16:57,445 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:16:57,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:16:57,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:16:57,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:16:57,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:16:57,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:16:57,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:16:57,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:16:57,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:16:57,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:16:57,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:16:57,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:16:57,472 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:16:57,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:16:57,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:16:57,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:16:57,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:16:57,484 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:16:57,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:16:57,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:16:57,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:16:57,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:16:57,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:16:57,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:16:57,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:16:57,490 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:16:57,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:16:57,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:16:57,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:16:57,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:16:57,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:16:57,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:16:57,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:16:57,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:16:57,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:16:57,496 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:16:57,520 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:16:57,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:16:57,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:16:57,522 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:16:57,523 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:16:57,523 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:16:57,523 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:16:57,523 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:16:57,523 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:16:57,524 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:16:57,525 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:16:57,525 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:16:57,525 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:16:57,526 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:16:57,526 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:16:57,526 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:16:57,527 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:16:57,527 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:16:57,527 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:16:57,527 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:16:57,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:16:57,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:16:57,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:16:57,528 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:16:57,528 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:16:57,529 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:16:57,529 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:16:57,529 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:16:57,529 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:16:57,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:16:57,530 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:16:57,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:16:57,530 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:16:57,531 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:16:57,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:16:57,531 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:16:57,531 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:16:57,531 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan 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 -> Taipan 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 -> d3ff8ae763cd253b2864cd8208bb318e170f6466 [2019-11-26 02:16:57,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:16:57,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:16:57,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:16:57,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:16:57,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:16:57,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-26 02:16:57,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/0a815ab15/d0839a8233794a3da95662483c36a8fb/FLAGbbf2f094b [2019-11-26 02:16:58,164 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:16:58,166 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-26 02:16:58,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/0a815ab15/d0839a8233794a3da95662483c36a8fb/FLAGbbf2f094b [2019-11-26 02:16:58,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/0a815ab15/d0839a8233794a3da95662483c36a8fb [2019-11-26 02:16:58,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:16:58,195 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:16:58,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:16:58,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:16:58,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:16:58,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:16:58" (1/1) ... [2019-11-26 02:16:58,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e3fa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:16:58, skipping insertion in model container [2019-11-26 02:16:58,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:16:58" (1/1) ... [2019-11-26 02:16:58,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:16:58,239 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:16:58,456 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.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:16:58,461 INFO L168 Benchmark]: Toolchain (without parser) took 264.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -250.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:58,461 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:16:58,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -250.7 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:16:58,463 INFO L335 ainManager$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 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.8 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -250.7 MB). Peak memory consumption was 22.8 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 02:17:00,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:17:00,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:17:00,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:17:00,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:17:00,057 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:17:00,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:17:00,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:17:00,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:17:00,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:17:00,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:17:00,070 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:17:00,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:17:00,072 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:17:00,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:17:00,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:17:00,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:17:00,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:17:00,077 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:17:00,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:17:00,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:17:00,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:17:00,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:17:00,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:17:00,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:17:00,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:17:00,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:17:00,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:17:00,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:17:00,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:17:00,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:17:00,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:17:00,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:17:00,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:17:00,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:17:00,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:17:00,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:17:00,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:17:00,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:17:00,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:17:00,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:17:00,095 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:17:00,112 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:17:00,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:17:00,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:17:00,114 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:17:00,114 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:17:00,114 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:17:00,115 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:17:00,115 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:17:00,115 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:17:00,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:17:00,117 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:17:00,117 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:17:00,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:17:00,118 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:17:00,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:17:00,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:17:00,118 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:17:00,119 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:17:00,119 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:17:00,119 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:17:00,119 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:17:00,120 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:17:00,120 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:17:00,120 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:17:00,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:17:00,121 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:17:00,121 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:17:00,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:17:00,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:17:00,122 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:17:00,122 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:17:00,122 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:17:00,123 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:17:00,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:17:00,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:17:00,123 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_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan 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 -> Taipan 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 -> d3ff8ae763cd253b2864cd8208bb318e170f6466 [2019-11-26 02:17:00,432 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:17:00,442 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:17:00,444 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:17:00,446 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:17:00,446 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:17:00,446 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-26 02:17:00,494 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/d5a511a96/5285cab44c16474abf80039b5f303d5e/FLAGc70a2905a [2019-11-26 02:17:00,880 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:17:00,881 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-26 02:17:00,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/d5a511a96/5285cab44c16474abf80039b5f303d5e/FLAGc70a2905a [2019-11-26 02:17:01,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29158c60-af22-4bde-a6d4-fe467355a07f/bin/utaipan/data/d5a511a96/5285cab44c16474abf80039b5f303d5e [2019-11-26 02:17:01,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:17:01,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:17:01,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:17:01,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:17:01,237 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:17:01,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:01" (1/1) ... [2019-11-26 02:17:01,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21e1e4f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:17:01, skipping insertion in model container [2019-11-26 02:17:01,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:17:01" (1/1) ... [2019-11-26 02:17:01,248 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:17:01,274 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:17:01,436 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 02:17:01,436 INFO L968 CHandler]: at location: C: (struct node *)malloc(sizeof(struct node)) [23] [2019-11-26 02:17:01,436 INFO L969 CHandler]: current memory model: HoenickeLindenmann_4ByteResolution [2019-11-26 02:17:01,464 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.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 02:17:01,476 INFO L168 Benchmark]: Toolchain (without parser) took 242.30 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:01,477 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:17:01,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.15 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:17:01,482 INFO L335 ainManager$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 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.15 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:706) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...