./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu --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 d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:07,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:07,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:07,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:07,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:07,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:07,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:07,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:07,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:07,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:07,690 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:07,691 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:07,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:07,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:07,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:07,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:07,697 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:07,698 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:07,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:07,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:07,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:07,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:07,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:07,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:07,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:07,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:07,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:07,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:07,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:07,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:07,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:07,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:07,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:07,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:07,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:07,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:07,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:07,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:07,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:07,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:07,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:07,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 15:41:07,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:07,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:07,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:07,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:07,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:07,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:07,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:07,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:07,753 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:07,753 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:07,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:07,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:07,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:07,754 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:07,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:07,755 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:07,755 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:07,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:07,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:07,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:07,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:07,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:07,757 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:07,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:07,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:07,757 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_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2021-11-23 15:41:07,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:08,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:08,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:08,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:08,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:08,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-11-23 15:41:08,111 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/6efad065a/8673b672fcf244d9a920c3175f8b0ccf/FLAG33717b182 [2021-11-23 15:41:08,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:08,878 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-11-23 15:41:08,925 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/6efad065a/8673b672fcf244d9a920c3175f8b0ccf/FLAG33717b182 [2021-11-23 15:41:09,440 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/6efad065a/8673b672fcf244d9a920c3175f8b0ccf [2021-11-23 15:41:09,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:09,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:09,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:09,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:09,449 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:09,450 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:09" (1/1) ... [2021-11-23 15:41:09,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713fac5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:09, skipping insertion in model container [2021-11-23 15:41:09,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:09" (1/1) ... [2021-11-23 15:41:09,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:09,535 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:10,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-11-23 15:41:10,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:10,561 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:10,842 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-11-23 15:41:10,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:10,916 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:10,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10 WrapperNode [2021-11-23 15:41:10,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:10,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:10,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:10,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:10,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:10,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,082 INFO L137 Inliner]: procedures = 81, calls = 494, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1672 [2021-11-23 15:41:11,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:11,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:11,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:11,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:11,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:11,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:11,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:11,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:11,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:10" (1/1) ... [2021-11-23 15:41:11,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:11,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:11,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:11,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:11,321 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2021-11-23 15:41:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2021-11-23 15:41:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:41:11,322 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2021-11-23 15:41:11,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2021-11-23 15:41:11,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:41:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:41:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:41:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:41:11,325 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:41:11,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:41:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:41:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:41:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 15:41:11,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 15:41:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:41:11,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:41:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:41:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:41:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:41:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:41:11,327 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:41:11,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-23 15:41:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-23 15:41:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:41:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:41:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2021-11-23 15:41:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2021-11-23 15:41:11,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-23 15:41:11,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-23 15:41:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-11-23 15:41:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-11-23 15:41:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:41:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:41:11,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:11,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:11,720 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:11,752 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:11,758 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-23 15:41:11,846 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##20: assume !false; [2021-11-23 15:41:11,846 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume false; [2021-11-23 15:41:11,981 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:41:11,987 INFO L158 Benchmark]: Toolchain (without parser) took 2542.01ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.2MB in the beginning and 91.7MB in the end (delta: -13.5MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2021-11-23 15:41:11,988 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:12,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1472.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 95.4MB in the end (delta: -17.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:12,001 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.54ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 86.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:12,002 INFO L158 Benchmark]: Boogie Preprocessor took 150.35ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 77.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:12,003 INFO L158 Benchmark]: RCFGBuilder took 750.37ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 91.7MB in the end (delta: -13.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:12,007 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 37.2MB in the beginning and 37.2MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1472.11ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 78.0MB in the beginning and 95.4MB in the end (delta: -17.4MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.54ms. Allocated memory is still 142.6MB. Free memory was 95.4MB in the beginning and 86.3MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 150.35ms. Allocated memory is still 142.6MB. Free memory was 86.3MB in the beginning and 77.9MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 750.37ms. Allocated memory is still 142.6MB. Free memory was 77.9MB in the beginning and 91.7MB in the end (delta: -13.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:41:12,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 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_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu --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 d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:14,622 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:14,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:14,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:14,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:14,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:14,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:14,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:14,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:14,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:14,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:14,711 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:14,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:14,714 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:14,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:14,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:14,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:14,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:14,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:14,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:14,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:14,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:14,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:14,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:14,754 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:14,755 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:14,755 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:14,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:14,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:14,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:14,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:14,761 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:14,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:14,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:14,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:14,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:14,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:14,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:14,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:14,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:14,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:14,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2021-11-23 15:41:14,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:14,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:14,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:14,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:14,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:14,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:14,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:14,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:14,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:14,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:14,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:14,836 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:41:14,836 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:41:14,836 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:41:14,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:14,837 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:14,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:14,837 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:14,837 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:14,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:14,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:14,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:14,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:14,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:14,839 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:41:14,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:41:14,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:14,840 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:41:14,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:41:14,840 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_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9b118296c3c6ba241fa831bfdb5289a0072e9871a56ce58ee16beb68bb5aa55 [2021-11-23 15:41:15,228 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:15,255 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:15,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:15,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:15,261 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:15,262 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-11-23 15:41:15,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/818d6f392/13f98219f672430c89af0c5a0df24fa8/FLAG8e0282f35 [2021-11-23 15:41:16,314 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:16,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i [2021-11-23 15:41:16,359 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/818d6f392/13f98219f672430c89af0c5a0df24fa8/FLAG8e0282f35 [2021-11-23 15:41:16,769 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/data/818d6f392/13f98219f672430c89af0c5a0df24fa8 [2021-11-23 15:41:16,772 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:16,773 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:16,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:16,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:16,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:16,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:16" (1/1) ... [2021-11-23 15:41:16,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a5c9024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:16, skipping insertion in model container [2021-11-23 15:41:16,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:16" (1/1) ... [2021-11-23 15:41:16,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:16,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:17,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-11-23 15:41:17,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:17,907 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:41:17,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:18,066 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-11-23 15:41:18,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:18,133 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:18,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-serial-ir-usb.ko.cil.out.i[146121,146134] [2021-11-23 15:41:18,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:18,461 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:18,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18 WrapperNode [2021-11-23 15:41:18,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:18,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:18,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:18,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:18,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,643 INFO L137 Inliner]: procedures = 90, calls = 494, calls flagged for inlining = 37, calls inlined = 37, statements flattened = 1652 [2021-11-23 15:41:18,644 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:18,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:18,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:18,645 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:18,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:18,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:18,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:18,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:18,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:18" (1/1) ... [2021-11-23 15:41:18,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:18,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:18,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:18,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ir_init [2021-11-23 15:41:18,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_init [2021-11-23 15:41:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:41:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:41:18,849 INFO L130 BoogieDeclarations]: Found specification of procedure ir_exit [2021-11-23 15:41:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_exit [2021-11-23 15:41:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:41:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:41:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:41:18,850 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 15:41:18,850 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 15:41:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 15:41:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 15:41:18,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 15:41:18,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 15:41:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 15:41:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:41:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-11-23 15:41:18,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-11-23 15:41:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:41:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:41:18,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:41:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 15:41:18,853 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 15:41:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 15:41:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:41:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:41:18,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 15:41:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2021-11-23 15:41:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2021-11-23 15:41:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-11-23 15:41:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-11-23 15:41:18,854 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 15:41:18,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 15:41:18,855 INFO L130 BoogieDeclarations]: Found specification of procedure ir_xbof_change [2021-11-23 15:41:18,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_xbof_change [2021-11-23 15:41:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-11-23 15:41:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-11-23 15:41:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2021-11-23 15:41:18,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2021-11-23 15:41:18,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:41:18,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:18,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:19,230 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:19,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:21,255 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:41:21,259 INFO L158 Benchmark]: Toolchain (without parser) took 4484.54ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 36.8MB in the beginning and 57.3MB in the end (delta: -20.5MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,260 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:21,260 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1687.37ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 36.5MB in the beginning and 48.0MB in the end (delta: -11.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,261 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.45ms. Allocated memory is still 107.0MB. Free memory was 48.0MB in the beginning and 64.0MB in the end (delta: -16.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,262 INFO L158 Benchmark]: Boogie Preprocessor took 110.99ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 55.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,263 INFO L158 Benchmark]: RCFGBuilder took 2501.27ms. Allocated memory is still 107.0MB. Free memory was 54.6MB in the beginning and 57.3MB in the end (delta: -2.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:21,266 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 62.9MB. Free memory is still 43.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1687.37ms. Allocated memory was 62.9MB in the beginning and 107.0MB in the end (delta: 44.0MB). Free memory was 36.5MB in the beginning and 48.0MB in the end (delta: -11.5MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.45ms. Allocated memory is still 107.0MB. Free memory was 48.0MB in the beginning and 64.0MB in the end (delta: -16.0MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 110.99ms. Allocated memory is still 107.0MB. Free memory was 63.5MB in the beginning and 55.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2501.27ms. Allocated memory is still 107.0MB. Free memory was 54.6MB in the beginning and 57.3MB in the end (delta: -2.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:41:21,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d2ee91d-be16-4f89-bf9b-ff703d9c11c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable