./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.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_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/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_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/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_8eaa1526-3c19-463d-bfe2-008ce19553c5/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 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:43:48,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:43:48,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:43:48,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:43:48,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:43:48,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:43:48,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:43:48,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:43:48,486 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:43:48,493 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:43:48,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:43:48,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:43:48,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:43:48,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:43:48,498 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:43:48,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:43:48,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:43:48,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:43:48,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:43:48,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:43:48,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:43:48,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:43:48,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:43:48,522 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:43:48,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:43:48,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:43:48,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:43:48,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:43:48,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:43:48,536 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:43:48,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:43:48,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:43:48,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:43:48,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:43:48,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:43:48,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:43:48,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:43:48,545 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:43:48,545 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:43:48,546 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:43:48,547 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:43:48,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-13 23:43:48,590 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:43:48,591 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:43:48,592 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:43:48,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:43:48,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:43:48,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:43:48,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:43:48,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:43:48,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:43:48,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:43:48,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:43:48,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:43:48,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:43:48,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:43:48,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:43:48,597 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:43:48,598 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:43:48,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:43:48,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:48,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:43:48,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:43:48,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:43:48,599 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:43:48,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:43:48,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:43:48,600 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_8eaa1526-3c19-463d-bfe2-008ce19553c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d [2021-11-13 23:43:48,930 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:43:48,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:43:48,965 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:43:48,966 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:43:48,967 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:43:48,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-13 23:43:49,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/67ee78683/7124d9520d064e2eb81285b3af51409f/FLAG16ea7b039 [2021-11-13 23:43:50,491 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:43:50,491 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-13 23:43:50,623 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/67ee78683/7124d9520d064e2eb81285b3af51409f/FLAG16ea7b039 [2021-11-13 23:43:50,964 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/67ee78683/7124d9520d064e2eb81285b3af51409f [2021-11-13 23:43:50,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:43:50,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:43:50,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:43:50,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:43:50,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:43:50,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:50" (1/1) ... [2021-11-13 23:43:50,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ba2b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:43:50, skipping insertion in model container [2021-11-13 23:43:50,976 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:43:50" (1/1) ... [2021-11-13 23:43:50,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:43:51,271 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:43:56,268 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 @303aa951) 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.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 23:43:56,275 INFO L158 Benchmark]: Toolchain (without parser) took 5304.05ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 77.5MB in the beginning and 100.0MB in the end (delta: -22.6MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2021-11-13 23:43:56,276 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:43:56,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5301.62ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 77.2MB in the beginning and 100.0MB in the end (delta: -22.9MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2021-11-13 23:43:56,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 68.5MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5301.62ms. Allocated memory was 119.5MB in the beginning and 182.5MB in the end (delta: 62.9MB). Free memory was 77.2MB in the beginning and 100.0MB in the end (delta: -22.9MB). Peak memory consumption was 82.7MB. 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 @303aa951) 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 @303aa951): 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_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/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_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/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_8eaa1526-3c19-463d-bfe2-008ce19553c5/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 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:43:58,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:43:58,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:43:58,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:43:58,600 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:43:58,602 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:43:58,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:43:58,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:43:58,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:43:58,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:43:58,611 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:43:58,613 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:43:58,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:43:58,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:43:58,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:43:58,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:43:58,619 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:43:58,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:43:58,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:43:58,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:43:58,634 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:43:58,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:43:58,638 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:43:58,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:43:58,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:43:58,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:43:58,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:43:58,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:43:58,646 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:43:58,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:43:58,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:43:58,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:43:58,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:43:58,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:43:58,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:43:58,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:43:58,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:43:58,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:43:58,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:43:58,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:43:58,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:43:58,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-13 23:43:58,702 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:43:58,703 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:43:58,704 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:43:58,704 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:43:58,706 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:43:58,706 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:43:58,706 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:43:58,707 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:43:58,707 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:43:58,707 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:43:58,708 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:43:58,709 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:43:58,709 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:43:58,709 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:43:58,709 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:43:58,709 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:43:58,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:43:58,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:43:58,710 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:43:58,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:43:58,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:43:58,711 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:43:58,711 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:43:58,711 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:43:58,711 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:43:58,712 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:43:58,712 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:43:58,712 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:43:58,712 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:43:58,712 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_8eaa1526-3c19-463d-bfe2-008ce19553c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d [2021-11-13 23:43:59,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:43:59,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:43:59,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:43:59,125 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:43:59,125 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:43:59,127 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-13 23:43:59,197 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/a51b328b7/e5b0fa0881ff4a4397a92b40b00ebde6/FLAG435d33933 [2021-11-13 23:44:00,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:44:00,893 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-13 23:44:01,109 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/a51b328b7/e5b0fa0881ff4a4397a92b40b00ebde6/FLAG435d33933 [2021-11-13 23:44:01,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaa1526-3c19-463d-bfe2-008ce19553c5/bin/ukojak-2xVlg8857e/data/a51b328b7/e5b0fa0881ff4a4397a92b40b00ebde6 [2021-11-13 23:44:01,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:44:01,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:44:01,591 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:44:01,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:44:01,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:44:01,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:01" (1/1) ... [2021-11-13 23:44:01,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13f4ef0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:44:01, skipping insertion in model container [2021-11-13 23:44:01,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:44:01" (1/1) ... [2021-11-13 23:44:01,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:44:01,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:44:07,476 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 @e54303) 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.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 23:44:07,481 INFO L158 Benchmark]: Toolchain (without parser) took 5890.35ms. Allocated memory was 71.3MB in the beginning and 213.9MB in the end (delta: 142.6MB). Free memory was 31.7MB in the beginning and 103.0MB in the end (delta: -71.4MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2021-11-13 23:44:07,482 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:44:07,483 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5888.18ms. Allocated memory was 71.3MB in the beginning and 213.9MB in the end (delta: 142.6MB). Free memory was 31.4MB in the beginning and 103.0MB in the end (delta: -71.6MB). Peak memory consumption was 84.2MB. Max. memory is 16.1GB. [2021-11-13 23:44:07,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory was 32.3MB in the beginning and 32.3MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5888.18ms. Allocated memory was 71.3MB in the beginning and 213.9MB in the end (delta: 142.6MB). Free memory was 31.4MB in the beginning and 103.0MB in the end (delta: -71.6MB). Peak memory consumption was 84.2MB. 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 @e54303) 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 @e54303): 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 @e54303)