./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/verifythis/tree_del_iter.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_iter.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/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 4c8729548bcb4cc041a874d058be135e319479e3 ..................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/verifythis/tree_del_iter.c -s /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/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 4c8729548bcb4cc041a874d058be135e319479e3 ........................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: cannot convert to CFunction --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 10:14:57,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:14:57,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:14:57,463 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:14:57,464 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:14:57,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:14:57,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:14:57,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:14:57,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:14:57,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:14:57,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:14:57,476 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:14:57,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:14:57,483 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:14:57,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:14:57,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:14:57,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:14:57,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:14:57,488 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:14:57,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:14:57,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:14:57,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:14:57,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:14:57,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:14:57,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:14:57,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:14:57,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:14:57,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:14:57,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:14:57,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:14:57,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:14:57,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:14:57,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:14:57,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:14:57,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:14:57,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:14:57,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:14:57,506 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:14:57,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:14:57,507 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:14:57,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:14:57,508 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-10-22 10:14:57,518 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:14:57,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:14:57,519 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:14:57,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:14:57,520 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:14:57,520 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:14:57,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:14:57,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:14:57,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:14:57,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:14:57,522 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:14:57,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:14:57,522 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:14:57,522 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:14:57,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:14:57,523 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:14:57,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:14:57,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:14:57,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:14:57,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:14:57,524 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-10-22 10:14:57,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 10:14:57,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:14:57,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/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 -> 4c8729548bcb4cc041a874d058be135e319479e3 [2019-10-22 10:14:57,560 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:14:57,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:14:57,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:14:57,576 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:14:57,576 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:14:57,577 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-10-22 10:14:57,628 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/0cad360d4/3ce234b350d04bcf9d71269281a40c99/FLAGfb6abc5c7 [2019-10-22 10:14:58,049 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:14:58,050 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-10-22 10:14:58,056 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/0cad360d4/3ce234b350d04bcf9d71269281a40c99/FLAGfb6abc5c7 [2019-10-22 10:14:58,067 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/0cad360d4/3ce234b350d04bcf9d71269281a40c99 [2019-10-22 10:14:58,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:14:58,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:14:58,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:14:58,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:14:58,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:14:58,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:58" (1/1) ... [2019-10-22 10:14:58,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1957f3a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:14:58, skipping insertion in model container [2019-10-22 10:14:58,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:14:58" (1/1) ... [2019-10-22 10:14:58,092 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:14:58,112 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:14:58,350 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 10:14:58,357 INFO L168 Benchmark]: Toolchain (without parser) took 283.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,359 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:14:58,360 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-10-22 10:14:58,361 INFO L335 ainManager$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 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 951.2 MB in the beginning and 1.1 GB in the end (delta: -156.3 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: cannot convert to CFunction de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: cannot convert to CFunction: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.performImplicitConversion(ExpressionResultTransformer.java:704) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 10:15:00,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 10:15:00,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 10:15:00,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 10:15:00,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 10:15:00,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 10:15:00,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 10:15:00,246 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 10:15:00,248 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 10:15:00,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 10:15:00,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 10:15:00,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 10:15:00,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 10:15:00,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 10:15:00,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 10:15:00,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 10:15:00,254 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 10:15:00,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 10:15:00,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 10:15:00,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 10:15:00,264 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 10:15:00,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 10:15:00,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 10:15:00,269 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 10:15:00,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 10:15:00,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 10:15:00,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 10:15:00,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 10:15:00,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 10:15:00,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 10:15:00,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 10:15:00,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 10:15:00,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 10:15:00,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 10:15:00,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 10:15:00,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 10:15:00,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 10:15:00,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 10:15:00,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 10:15:00,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 10:15:00,282 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 10:15:00,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2019-10-22 10:15:00,298 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 10:15:00,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 10:15:00,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 10:15:00,309 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-10-22 10:15:00,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 10:15:00,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 10:15:00,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 10:15:00,310 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 10:15:00,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 10:15:00,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 10:15:00,311 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 10:15:00,312 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 10:15:00,312 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-10-22 10:15:00,312 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-10-22 10:15:00,312 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 10:15:00,312 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 10:15:00,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-10-22 10:15:00,313 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2019-10-22 10:15:00,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 10:15:00,314 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/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 -> 4c8729548bcb4cc041a874d058be135e319479e3 [2019-10-22 10:15:00,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 10:15:00,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 10:15:00,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 10:15:00,365 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 10:15:00,366 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 10:15:00,366 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/../../sv-benchmarks/c/verifythis/tree_del_iter.c [2019-10-22 10:15:00,417 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/94517b196/533de3e0240c46249bb758c2887ce7ca/FLAG48845f7a0 [2019-10-22 10:15:00,820 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 10:15:00,820 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/sv-benchmarks/c/verifythis/tree_del_iter.c [2019-10-22 10:15:00,827 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/94517b196/533de3e0240c46249bb758c2887ce7ca/FLAG48845f7a0 [2019-10-22 10:15:01,185 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_62b5747b-e366-4536-9789-453d5f62e2bf/bin/ukojak/data/94517b196/533de3e0240c46249bb758c2887ce7ca [2019-10-22 10:15:01,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 10:15:01,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 10:15:01,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 10:15:01,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 10:15:01,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 10:15:01,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:01" (1/1) ... [2019-10-22 10:15:01,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e2b528e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:15:01, skipping insertion in model container [2019-10-22 10:15:01,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:15:01" (1/1) ... [2019-10-22 10:15:01,203 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 10:15:01,223 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 10:15:01,414 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 10:15:01,424 INFO L168 Benchmark]: Toolchain (without parser) took 234.30 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 936.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,426 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 10:15:01,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.20 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 936.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-10-22 10:15:01,429 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.20 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 936.2 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...