./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 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/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 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_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/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 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 0.1.24-678e011 [2019-11-20 11:07:39,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:07:39,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:07:39,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:07:39,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:07:39,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:07:39,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:07:39,344 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:07:39,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:07:39,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:07:39,347 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:07:39,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:07:39,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:07:39,349 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:07:39,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:07:39,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:07:39,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:07:39,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:07:39,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:07:39,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:07:39,359 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:07:39,360 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:07:39,361 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:07:39,362 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:07:39,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:07:39,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:07:39,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:07:39,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:07:39,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:07:39,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:07:39,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:07:39,367 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:07:39,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:07:39,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:07:39,369 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:07:39,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:07:39,370 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:07:39,370 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:07:39,371 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:07:39,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:07:39,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:07:39,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 11:07:39,385 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:07:39,385 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:07:39,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:07:39,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:07:39,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:07:39,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:07:39,387 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:07:39,387 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:07:39,387 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 11:07:39,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:07:39,387 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:07:39,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:07:39,388 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:07:39,388 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:07:39,388 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:07:39,388 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:07:39,388 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:07:39,389 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:07:39,389 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:07:39,389 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:07:39,389 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:07:39,389 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:07:39,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:07:39,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:07:39,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:07:39,390 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:07:39,390 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 11:07:39,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 11:07:39,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:07:39,391 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_e3d28602-675b-486f-b15a-6af12857c4f3/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 -> d3ff8ae763cd253b2864cd8208bb318e170f6466 [2019-11-20 11:07:39,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:07:39,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:07:39,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:07:39,555 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:07:39,556 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:07:39,556 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 11:07:39,615 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/dbcff8a0a/fa8aa0330bab46b69cf2096b8f3d2550/FLAG4933b7a5f [2019-11-20 11:07:40,010 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:07:40,011 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 11:07:40,017 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/dbcff8a0a/fa8aa0330bab46b69cf2096b8f3d2550/FLAG4933b7a5f [2019-11-20 11:07:40,348 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/dbcff8a0a/fa8aa0330bab46b69cf2096b8f3d2550 [2019-11-20 11:07:40,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:07:40,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:07:40,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:07:40,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:07:40,356 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:07:40,357 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:07:40" (1/1) ... [2019-11-20 11:07:40,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ce4d831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:40, skipping insertion in model container [2019-11-20 11:07:40,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:07:40" (1/1) ... [2019-11-20 11:07:40,366 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:07:40,386 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:07:40,538 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.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 11:07:40,543 INFO L168 Benchmark]: Toolchain (without parser) took 190.03 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:40,544 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:07:40,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.94 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:40,546 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 187.94 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 934.0 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... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 11:07:42,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 11:07:42,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 11:07:42,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 11:07:42,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 11:07:42,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 11:07:42,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 11:07:42,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 11:07:42,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 11:07:42,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 11:07:42,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 11:07:42,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 11:07:42,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 11:07:42,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 11:07:42,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 11:07:42,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 11:07:42,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 11:07:42,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 11:07:42,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 11:07:42,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 11:07:42,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 11:07:42,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 11:07:42,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 11:07:42,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 11:07:42,208 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 11:07:42,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 11:07:42,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 11:07:42,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 11:07:42,210 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 11:07:42,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 11:07:42,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 11:07:42,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 11:07:42,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 11:07:42,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 11:07:42,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 11:07:42,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 11:07:42,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 11:07:42,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 11:07:42,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 11:07:42,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 11:07:42,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 11:07:42,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-11-20 11:07:42,240 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 11:07:42,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 11:07:42,243 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 11:07:42,243 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 11:07:42,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 11:07:42,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 11:07:42,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 11:07:42,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 11:07:42,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 11:07:42,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 11:07:42,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 11:07:42,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 11:07:42,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 11:07:42,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 11:07:42,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 11:07:42,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 11:07:42,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 11:07:42,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 11:07:42,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 11:07:42,248 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 11:07:42,249 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 11:07:42,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 11:07:42,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 11:07:42,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 11:07:42,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 11:07:42,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 11:07:42,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 11:07:42,250 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-20 11:07:42,251 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 11:07:42,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 11:07:42,251 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-11-20 11:07:42,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 11:07:42,252 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_e3d28602-675b-486f-b15a-6af12857c4f3/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 -> d3ff8ae763cd253b2864cd8208bb318e170f6466 [2019-11-20 11:07:42,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 11:07:42,579 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 11:07:42,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 11:07:42,585 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 11:07:42,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 11:07:42,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 11:07:42,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/f4ff07408/fb94bd3ffcd541f3b21dd38c42599b5f/FLAGa0dee552e [2019-11-20 11:07:43,051 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 11:07:43,051 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/sv-benchmarks/c/verifythis/tree_del_iter_incorrect.c [2019-11-20 11:07:43,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/f4ff07408/fb94bd3ffcd541f3b21dd38c42599b5f/FLAGa0dee552e [2019-11-20 11:07:43,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e3d28602-675b-486f-b15a-6af12857c4f3/bin/ukojak/data/f4ff07408/fb94bd3ffcd541f3b21dd38c42599b5f [2019-11-20 11:07:43,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 11:07:43,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 11:07:43,430 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 11:07:43,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 11:07:43,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 11:07:43,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:07:43" (1/1) ... [2019-11-20 11:07:43,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e728d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:07:43, skipping insertion in model container [2019-11-20 11:07:43,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:07:43" (1/1) ... [2019-11-20 11:07:43,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 11:07:43,464 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 11:07:43,640 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.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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-20 11:07:43,659 INFO L168 Benchmark]: Toolchain (without parser) took 223.92 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:43,659 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 11:07:43,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 221.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 11:07:43,663 INFO L335 ainManager$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 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 221.89 ms. Allocated memory is still 1.0 GB. Free memory was 961.8 MB in the beginning and 951.0 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...