./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6cc60e7566ae91876e03139cc5537b9494978dd12ba1676a1fe0f6779cf054f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:32:53,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:32:53,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:32:54,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:32:54,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:32:54,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:32:54,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:32:54,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:32:54,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:32:54,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:32:54,044 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:32:54,045 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:32:54,046 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:32:54,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:32:54,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:32:54,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:32:54,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:32:54,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:32:54,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:32:54,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:32:54,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:32:54,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:32:54,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:32:54,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:32:54,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:32:54,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:32:54,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:32:54,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:32:54,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:32:54,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:32:54,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:32:54,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:32:54,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:32:54,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:32:54,094 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:32:54,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:32:54,095 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:32:54,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:32:54,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:32:54,096 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:32:54,097 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:32:54,098 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-13 22:32:54,139 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:32:54,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:32:54,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:32:54,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:32:54,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:32:54,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:32:54,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:32:54,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 22:32:54,149 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:32:54,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:32:54,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:32:54,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:32:54,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:32:54,151 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:32:54,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:32:54,152 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:32:54,152 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:32:54,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:32:54,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:32:54,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:32:54,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:32:54,153 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:32:54,153 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 22:32:54,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 22:32:54,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:32:54,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc60e7566ae91876e03139cc5537b9494978dd12ba1676a1fe0f6779cf054f9 [2021-11-13 22:32:54,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:32:54,485 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:32:54,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:32:54,489 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:32:54,490 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:32:54,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-13 22:32:54,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/3763159f0/f287dc0226414d10aad6377553e6309e/FLAG0f7d9befe [2021-11-13 22:32:55,745 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:32:55,746 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-13 22:32:55,837 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/3763159f0/f287dc0226414d10aad6377553e6309e/FLAG0f7d9befe [2021-11-13 22:32:55,959 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/3763159f0/f287dc0226414d10aad6377553e6309e [2021-11-13 22:32:55,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:32:55,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:32:55,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:32:55,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:32:55,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:32:55,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:55" (1/1) ... [2021-11-13 22:32:55,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac358e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:32:55, skipping insertion in model container [2021-11-13 22:32:55,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:32:55" (1/1) ... [2021-11-13 22:32:55,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:32:56,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:33:02,044 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @472092d9) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) 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:1381) 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:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) 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:1452) 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:3254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) 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:192) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:33:02,050 INFO L158 Benchmark]: Toolchain (without parser) took 6084.20ms. Allocated memory was 113.2MB in the beginning and 222.3MB in the end (delta: 109.1MB). Free memory was 77.0MB in the beginning and 143.3MB in the end (delta: -66.2MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2021-11-13 22:33:02,051 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:33:02,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6079.38ms. Allocated memory was 113.2MB in the beginning and 222.3MB in the end (delta: 109.1MB). Free memory was 76.6MB in the beginning and 143.3MB in the end (delta: -66.7MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. [2021-11-13 22:33:02,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6079.38ms. Allocated memory was 113.2MB in the beginning and 222.3MB in the end (delta: 109.1MB). Free memory was 76.6MB in the beginning and 143.3MB in the end (delta: -66.7MB). Peak memory consumption was 94.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @472092d9) de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @472092d9): de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6cc60e7566ae91876e03139cc5537b9494978dd12ba1676a1fe0f6779cf054f9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 22:33:04,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 22:33:04,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 22:33:04,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 22:33:04,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 22:33:04,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 22:33:04,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 22:33:04,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 22:33:04,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 22:33:04,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 22:33:04,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 22:33:04,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 22:33:04,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 22:33:04,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 22:33:04,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 22:33:04,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 22:33:04,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 22:33:04,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 22:33:04,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 22:33:04,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 22:33:04,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 22:33:04,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 22:33:04,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 22:33:04,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 22:33:04,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 22:33:04,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 22:33:04,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 22:33:04,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 22:33:04,399 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 22:33:04,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 22:33:04,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 22:33:04,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 22:33:04,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 22:33:04,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 22:33:04,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 22:33:04,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 22:33:04,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 22:33:04,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 22:33:04,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 22:33:04,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 22:33:04,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 22:33:04,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-13 22:33:04,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 22:33:04,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 22:33:04,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 22:33:04,447 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 22:33:04,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 22:33:04,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 22:33:04,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 22:33:04,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 22:33:04,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 22:33:04,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 22:33:04,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 22:33:04,449 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 22:33:04,449 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 22:33:04,449 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 22:33:04,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 22:33:04,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 22:33:04,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 22:33:04,450 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 22:33:04,450 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 22:33:04,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 22:33:04,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 22:33:04,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 22:33:04,451 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 22:33:04,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 22:33:04,452 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 22:33:04,452 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 22:33:04,452 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 22:33:04,452 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 22:33:04,453 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 22:33:04,453 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cc60e7566ae91876e03139cc5537b9494978dd12ba1676a1fe0f6779cf054f9 [2021-11-13 22:33:04,797 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 22:33:04,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 22:33:04,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 22:33:04,832 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 22:33:04,843 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 22:33:04,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-13 22:33:04,916 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/027daa27a/9d7bfb8b670a4dfcb7b5e511e21eaa6b/FLAGbbcfa22bc [2021-11-13 22:33:06,276 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 22:33:06,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/sv-benchmarks/c/ldv-challenges/linux-3.8-rc1-32_7a-drivers--md--md-mod.ko-ldv_main0_sequence_infinite_withcheck_stateful.cil.out.i [2021-11-13 22:33:06,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/027daa27a/9d7bfb8b670a4dfcb7b5e511e21eaa6b/FLAGbbcfa22bc [2021-11-13 22:33:06,831 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5688b68d-e6b1-4dc9-bd7a-46e96ec9c554/bin/ukojak-2xVlg8857e/data/027daa27a/9d7bfb8b670a4dfcb7b5e511e21eaa6b [2021-11-13 22:33:06,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 22:33:06,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 22:33:06,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 22:33:06,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 22:33:06,842 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 22:33:06,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:06" (1/1) ... [2021-11-13 22:33:06,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d3b3bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:33:06, skipping insertion in model container [2021-11-13 22:33:06,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:33:06" (1/1) ... [2021-11-13 22:33:06,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 22:33:07,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 22:33:12,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @17aad511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) 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:1381) 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:1068) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1068) 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:1452) 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:3254) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:594) 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:192) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 22:33:12,871 INFO L158 Benchmark]: Toolchain (without parser) took 6028.12ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 51.2MB in the beginning and 77.3MB in the end (delta: -26.1MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2021-11-13 22:33:12,873 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 22:33:12,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6026.13ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 51.0MB in the beginning and 77.3MB in the end (delta: -26.3MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2021-11-13 22:33:12,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6026.13ms. Allocated memory was 86.0MB in the beginning and 178.3MB in the end (delta: 92.3MB). Free memory was 51.0MB in the beginning and 77.3MB in the end (delta: -26.3MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @17aad511) de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @17aad511): de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:729) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult cannot be cast to class de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult (de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.SkipResult and de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResult are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @17aad511)