./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:31:09,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:31:09,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:31:09,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:31:09,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:31:09,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:31:09,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:31:09,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:31:09,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:31:09,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:31:09,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:31:09,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:31:09,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:31:09,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:31:09,226 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:31:09,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:31:09,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:31:09,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:31:09,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:31:09,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:31:09,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:31:09,245 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:31:09,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:31:09,250 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:31:09,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:31:09,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:31:09,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:31:09,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:31:09,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:31:09,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:31:09,263 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:31:09,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:31:09,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:31:09,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:31:09,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:31:09,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:31:09,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:31:09,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:31:09,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:31:09,272 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:31:09,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:31:09,274 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-13 23:31:09,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:31:09,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:31:09,300 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:31:09,300 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:31:09,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:31:09,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:31:09,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:31:09,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:31:09,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:31:09,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:31:09,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:31:09,303 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:31:09,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:31:09,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:31:09,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:31:09,303 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:31:09,303 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:31:09,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:31:09,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:31:09,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:31:09,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:31:09,305 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:31:09,305 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:31:09,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:31:09,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:31:09,305 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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2021-11-13 23:31:09,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:31:09,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:31:09,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:31:09,629 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:31:09,630 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:31:09,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-13 23:31:09,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/78d655aea/11a0acaad65b45cc8a7218da0e96a880/FLAGd3e097ce6 [2021-11-13 23:31:10,674 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:31:10,676 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-13 23:31:10,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/78d655aea/11a0acaad65b45cc8a7218da0e96a880/FLAGd3e097ce6 [2021-11-13 23:31:11,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/78d655aea/11a0acaad65b45cc8a7218da0e96a880 [2021-11-13 23:31:11,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:31:11,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:31:11,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:31:11,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:31:11,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:31:11,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:11" (1/1) ... [2021-11-13 23:31:11,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb0323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:11, skipping insertion in model container [2021-11-13 23:31:11,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:11" (1/1) ... [2021-11-13 23:31:11,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:31:11,213 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:31:12,755 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 @798ddf4e) 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 23:31:12,761 INFO L158 Benchmark]: Toolchain (without parser) took 1692.97ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 70.6MB in the beginning and 81.1MB in the end (delta: -10.5MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2021-11-13 23:31:12,763 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 84.3MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:31:12,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1690.92ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 70.4MB in the beginning and 81.1MB in the end (delta: -10.7MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2021-11-13 23:31:12,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 84.4MB in the beginning and 84.3MB in the end (delta: 77.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1690.92ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 70.4MB in the beginning and 81.1MB in the end (delta: -10.7MB). Peak memory consumption was 42.4MB. 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 @798ddf4e) 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 @798ddf4e): 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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:31:15,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:31:15,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:31:15,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:31:15,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:31:15,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:31:15,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:31:15,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:31:15,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:31:15,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:31:15,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:31:15,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:31:15,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:31:15,134 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:31:15,136 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:31:15,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:31:15,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:31:15,143 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:31:15,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:31:15,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:31:15,157 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:31:15,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:31:15,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:31:15,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:31:15,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:31:15,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:31:15,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:31:15,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:31:15,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:31:15,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:31:15,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:31:15,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:31:15,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:31:15,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:31:15,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:31:15,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:31:15,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:31:15,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:31:15,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:31:15,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:31:15,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:31:15,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-13 23:31:15,228 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:31:15,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:31:15,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:31:15,230 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:31:15,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:31:15,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:31:15,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:31:15,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:31:15,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:31:15,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:31:15,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:31:15,234 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 23:31:15,234 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 23:31:15,234 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 23:31:15,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:31:15,235 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:31:15,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:31:15,235 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:31:15,235 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:31:15,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:31:15,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:31:15,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:31:15,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:31:15,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:31:15,237 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 23:31:15,237 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 23:31:15,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:31:15,237 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 23:31:15,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 23:31:15,238 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_26f4cb83-a7ee-4061-bafb-e4d6290122c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e4387c36ff25592bf6c6537ff8412eacb18bdab6752c222fa8ef2a1ca9dbb8 [2021-11-13 23:31:15,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:31:15,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:31:15,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:31:15,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:31:15,636 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:31:15,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-13 23:31:15,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/f3947d233/eff4c590d8ec4f20948dbe962a8f7d92/FLAG1c1eeabcd [2021-11-13 23:31:16,823 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:31:16,824 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-rc-imon.cil.i [2021-11-13 23:31:16,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/f3947d233/eff4c590d8ec4f20948dbe962a8f7d92/FLAG1c1eeabcd [2021-11-13 23:31:17,177 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26f4cb83-a7ee-4061-bafb-e4d6290122c4/bin/ukojak-2xVlg8857e/data/f3947d233/eff4c590d8ec4f20948dbe962a8f7d92 [2021-11-13 23:31:17,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:31:17,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:31:17,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:31:17,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:31:17,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:31:17,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:17" (1/1) ... [2021-11-13 23:31:17,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8e645a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:31:17, skipping insertion in model container [2021-11-13 23:31:17,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:31:17" (1/1) ... [2021-11-13 23:31:17,209 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:31:17,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:31:18,980 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 23:31:18,988 INFO L158 Benchmark]: Toolchain (without parser) took 1805.12ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 32.1MB in the end (delta: -2.0MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-13 23:31:18,990 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:31:18,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1803.15ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 32.1MB in the end (delta: -2.3MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2021-11-13 23:31:18,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 62.9MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1803.15ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 29.8MB in the beginning and 32.1MB in the end (delta: -2.3MB). Peak memory consumption was 20.7MB. 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 @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)