./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.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_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:48,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:48,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:48,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:48,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:48,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:48,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:48,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:48,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:48,707 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:48,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:48,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:48,711 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:48,712 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:48,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:48,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:48,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:48,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:48,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:48,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:48,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:48,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:48,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:48,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:48,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:48,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:48,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:48,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:48,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:48,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:48,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:48,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:48,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:48,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:48,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:48,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:48,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:48,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:48,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:48,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:48,771 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:48,772 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 16:44:48,804 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:48,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:48,805 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:48,806 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:48,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:48,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:48,807 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:48,807 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:48,808 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:48,808 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:44:48,808 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:48,808 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:48,809 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:44:48,809 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:44:48,809 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:48,809 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:44:48,810 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:44:48,810 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:44:48,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:48,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:44:48,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:48,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:48,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:48,813 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:48,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:48,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:48,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:44:48,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:48,815 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2021-11-23 16:44:49,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:49,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:49,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:49,111 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:49,112 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:49,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 16:44:49,188 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/106f0ff85/aa531d701bad460eac1cd5909685a184/FLAG8db2a11bd [2021-11-23 16:44:50,097 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:44:50,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 16:44:50,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/106f0ff85/aa531d701bad460eac1cd5909685a184/FLAG8db2a11bd [2021-11-23 16:44:50,522 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/106f0ff85/aa531d701bad460eac1cd5909685a184 [2021-11-23 16:44:50,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:44:50,526 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:44:50,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:50,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:44:50,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:44:50,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:50,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266fd478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:50, skipping insertion in model container [2021-11-23 16:44:50,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:44:50" (1/1) ... [2021-11-23 16:44:50,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:44:50,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:44:53,055 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 16:44:53,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:53,250 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:44:53,644 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 16:44:53,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:44:53,892 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:44:53,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53 WrapperNode [2021-11-23 16:44:53,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:44:53,894 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:53,894 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:44:53,894 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:44:53,901 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,366 INFO L137 Inliner]: procedures = 286, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7836 [2021-11-23 16:44:54,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:44:54,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:44:54,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:44:54,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:44:54,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,831 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:44:54,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:44:54,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:44:54,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:44:54,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:44:53" (1/1) ... [2021-11-23 16:44:54,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:44:54,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:44:54,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:44:54,979 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-23 16:44:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-23 16:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-23 16:44:54,980 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-23 16:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 16:44:54,980 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 16:44:54,981 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 16:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 16:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 16:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 16:44:54,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 16:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 16:44:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 16:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 16:44:54,982 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 16:44:54,982 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 16:44:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-23 16:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-23 16:44:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 16:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 16:44:54,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 16:44:54,983 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 16:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 16:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 16:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 16:44:54,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 16:44:54,984 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 16:44:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 16:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 16:44:54,985 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 16:44:54,985 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-23 16:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-23 16:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 16:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 16:44:54,986 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 16:44:54,986 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 16:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 16:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 16:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 16:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 16:44:54,987 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 16:44:54,987 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 16:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 16:44:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 16:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:44:54,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:44:54,988 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 16:44:54,989 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 16:44:54,989 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-23 16:44:54,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-23 16:44:54,991 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-23 16:44:54,991 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-23 16:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-23 16:44:54,992 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-23 16:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:44:54,992 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 16:44:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 16:44:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 16:44:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-23 16:44:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-23 16:44:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 16:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 16:44:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:44:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-23 16:44:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-23 16:44:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 16:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 16:44:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 16:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 16:44:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 16:44:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 16:44:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 16:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 16:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2021-11-23 16:44:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2021-11-23 16:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:44:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 16:44:54,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 16:44:54,997 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 16:44:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 16:44:54,998 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 16:44:54,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 16:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 16:44:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 16:44:54,999 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-23 16:44:54,999 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-23 16:44:55,000 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 16:44:55,000 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 16:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-23 16:44:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-23 16:44:55,001 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 16:44:55,001 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 16:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-11-23 16:44:55,002 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-11-23 16:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 16:44:55,002 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-23 16:44:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-23 16:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 16:44:55,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 16:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 16:44:55,003 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 16:44:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 16:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:44:55,004 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-23 16:44:55,004 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-23 16:44:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 16:44:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 16:44:55,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 16:44:55,005 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 16:44:55,006 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 16:44:55,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 16:44:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-23 16:44:55,009 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-23 16:44:55,009 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-23 16:44:55,010 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-23 16:44:55,011 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 16:44:55,012 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 16:44:55,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 16:44:55,013 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 16:44:55,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 16:44:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 16:44:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-23 16:44:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-23 16:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-23 16:44:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-23 16:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 16:44:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 16:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 16:44:55,021 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 16:44:55,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2021-11-23 16:44:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2021-11-23 16:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 16:44:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 16:44:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-23 16:44:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-23 16:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-23 16:44:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-23 16:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-23 16:44:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-23 16:44:55,023 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 16:44:55,023 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 16:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 16:44:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 16:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 16:44:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 16:44:55,024 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-23 16:44:55,024 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-23 16:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-23 16:44:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-23 16:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 16:44:55,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 16:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:44:55,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 16:44:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 16:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 16:44:55,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 16:44:55,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 16:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-11-23 16:44:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-11-23 16:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 16:44:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 16:44:55,027 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 16:44:55,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 16:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-23 16:44:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-23 16:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-23 16:44:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-23 16:44:55,028 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-23 16:44:55,028 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-23 16:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-23 16:44:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-23 16:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 16:44:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 16:44:55,029 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 16:44:55,029 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 16:44:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:44:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 16:44:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 16:44:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 16:44:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 16:44:55,030 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-23 16:44:55,030 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-23 16:44:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:44:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:44:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-23 16:44:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-23 16:44:55,031 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 16:44:55,031 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 16:44:55,807 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:44:55,810 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:44:56,112 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:44:56,117 INFO L158 Benchmark]: Toolchain (without parser) took 5589.66ms. Allocated memory was 121.6MB in the beginning and 283.1MB in the end (delta: 161.5MB). Free memory was 75.4MB in the beginning and 180.7MB in the end (delta: -105.2MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2021-11-23 16:44:56,117 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 52.4MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:44:56,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3361.87ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 75.2MB in the beginning and 86.5MB in the end (delta: -11.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2021-11-23 16:44:56,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 473.12ms. Allocated memory is still 172.0MB. Free memory was 86.5MB in the beginning and 80.7MB in the end (delta: 5.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-11-23 16:44:56,127 INFO L158 Benchmark]: Boogie Preprocessor took 509.45ms. Allocated memory was 172.0MB in the beginning and 283.1MB in the end (delta: 111.1MB). Free memory was 80.7MB in the beginning and 166.4MB in the end (delta: -85.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2021-11-23 16:44:56,128 INFO L158 Benchmark]: RCFGBuilder took 1236.12ms. Allocated memory is still 283.1MB. Free memory was 166.4MB in the beginning and 180.7MB in the end (delta: -14.2MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-23 16:44:56,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 52.4MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3361.87ms. Allocated memory was 121.6MB in the beginning and 172.0MB in the end (delta: 50.3MB). Free memory was 75.2MB in the beginning and 86.5MB in the end (delta: -11.3MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 473.12ms. Allocated memory is still 172.0MB. Free memory was 86.5MB in the beginning and 80.7MB in the end (delta: 5.8MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 509.45ms. Allocated memory was 172.0MB in the beginning and 283.1MB in the end (delta: 111.1MB). Free memory was 80.7MB in the beginning and 166.4MB in the end (delta: -85.8MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1236.12ms. Allocated memory is still 283.1MB. Free memory was 166.4MB in the beginning and 180.7MB in the end (delta: -14.2MB). Peak memory consumption was 54.7MB. 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 16:44:56,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:44:58,713 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:44:58,715 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:44:58,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:44:58,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:44:58,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:44:58,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:44:58,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:44:58,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:44:58,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:44:58,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:44:58,762 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:44:58,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:44:58,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:44:58,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:44:58,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:44:58,769 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:44:58,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:44:58,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:44:58,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:44:58,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:44:58,786 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:44:58,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:44:58,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:44:58,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:44:58,794 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:44:58,794 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:44:58,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:44:58,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:44:58,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:44:58,798 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:44:58,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:44:58,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:44:58,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:44:58,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:44:58,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:44:58,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:44:58,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:44:58,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:44:58,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:44:58,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:44:58,809 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 16:44:58,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:44:58,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:44:58,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:44:58,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:44:58,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:44:58,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:44:58,839 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:44:58,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:44:58,839 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:44:58,839 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:44:58,840 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:44:58,840 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:44:58,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:44:58,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:44:58,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:44:58,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:44:58,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:44:58,842 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:44:58,842 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:44:58,842 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:44:58,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:44:58,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:44:58,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:44:58,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:44:58,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:44:58,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:44:58,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:44:58,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:44:58,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:44:58,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:44:58,845 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:44:58,845 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:44:58,846 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:44:58,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:44:58,846 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:44:58,846 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 234112184b071eb42f340136dfce6e1a552d788d086baea007a05a3140f2d157 [2021-11-23 16:44:59,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:44:59,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:44:59,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:44:59,256 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:44:59,257 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:44:59,259 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 16:44:59,355 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/4c83114d8/b0aa3a07f6c14b59adcd8ef00da6e0ac/FLAG71fd8eb8a [2021-11-23 16:45:00,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:45:00,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i [2021-11-23 16:45:00,443 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/4c83114d8/b0aa3a07f6c14b59adcd8ef00da6e0ac/FLAG71fd8eb8a [2021-11-23 16:45:00,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/data/4c83114d8/b0aa3a07f6c14b59adcd8ef00da6e0ac [2021-11-23 16:45:00,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:45:00,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:45:00,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:00,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:45:00,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:45:00,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35c8d781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:00, skipping insertion in model container [2021-11-23 16:45:00,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:45:00" (1/1) ... [2021-11-23 16:45:00,482 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:45:00,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:02,950 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 16:45:02,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:03,099 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 16:45:03,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:45:03,587 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 16:45:03,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:03,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:45:04,077 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_acfc500b-7347-46cd-b17b-44e8b28f8e21/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--usb--class--cdc-acm.ko-entry_point.cil.out.i[254896,254909] [2021-11-23 16:45:04,086 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:45:04,306 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:45:04,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04 WrapperNode [2021-11-23 16:45:04,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:45:04,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:04,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:45:04,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:45:04,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:04,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:04,764 INFO L137 Inliner]: procedures = 301, calls = 3678, calls flagged for inlining = 140, calls inlined = 119, statements flattened = 7692 [2021-11-23 16:45:04,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:45:04,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:45:04,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:45:04,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:45:04,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:04,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:04,862 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:04,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:05,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:05,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:05,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:05,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:45:05,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:45:05,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:45:05,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:45:05,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:45:04" (1/1) ... [2021-11-23 16:45:05,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:45:05,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:45:05,296 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:45:05,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:45:05,417 INFO L130 BoogieDeclarations]: Found specification of procedure acm_disconnect [2021-11-23 16:45:05,417 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_disconnect [2021-11-23 16:45:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_hangup [2021-11-23 16:45:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_hangup [2021-11-23 16:45:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 16:45:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 16:45:05,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-23 16:45:05,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-23 16:45:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-23 16:45:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-23 16:45:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 16:45:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 16:45:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 16:45:05,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 16:45:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 16:45:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 16:45:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 16:45:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 16:45:05,420 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-23 16:45:05,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-23 16:45:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_cleanup [2021-11-23 16:45:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_cleanup [2021-11-23 16:45:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 16:45:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 16:45:05,421 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-23 16:45:05,421 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-23 16:45:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-23 16:45:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-23 16:45:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 16:45:05,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 16:45:05,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-11-23 16:45:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-11-23 16:45:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2021-11-23 16:45:05,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2021-11-23 16:45:05,423 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_buffers_free [2021-11-23 16:45:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_buffers_free [2021-11-23 16:45:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 16:45:05,424 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 16:45:05,424 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 16:45:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 16:45:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 16:45:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 16:45:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2021-11-23 16:45:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2021-11-23 16:45:05,425 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-23 16:45:05,425 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-23 16:45:05,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 16:45:05,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 16:45:05,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 16:45:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 16:45:05,428 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 16:45:05,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 16:45:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_put [2021-11-23 16:45:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_put [2021-11-23 16:45:05,429 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_chars_in_buffer [2021-11-23 16:45:05,429 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_chars_in_buffer [2021-11-23 16:45:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure acm_resume [2021-11-23 16:45:05,430 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_resume [2021-11-23 16:45:05,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:45:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 16:45:05,431 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 16:45:05,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 16:45:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure acm_ctrl_msg [2021-11-23 16:45:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_ctrl_msg [2021-11-23 16:45:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-23 16:45:05,432 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-23 16:45:05,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:45:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_hangup [2021-11-23 16:45:05,433 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_hangup [2021-11-23 16:45:05,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-23 16:45:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-23 16:45:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-23 16:45:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-23 16:45:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 16:45:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 16:45:05,434 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 16:45:05,434 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 16:45:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure acm_softint [2021-11-23 16:45:05,435 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_softint [2021-11-23 16:45:05,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-11-23 16:45:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 16:45:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 16:45:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:45:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:45:05,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:45:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-23 16:45:05,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:45:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 16:45:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-23 16:45:05,438 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-23 16:45:05,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-23 16:45:05,439 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2021-11-23 16:45:05,439 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2021-11-23 16:45:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 16:45:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 16:45:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-23 16:45:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-23 16:45:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmget [2021-11-23 16:45:05,440 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmget [2021-11-23 16:45:05,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-23 16:45:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-23 16:45:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_set_termios [2021-11-23 16:45:05,441 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_set_termios [2021-11-23 16:45:05,441 INFO L130 BoogieDeclarations]: Found specification of procedure usb_clear_halt [2021-11-23 16:45:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_clear_halt [2021-11-23 16:45:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_from_anchor [2021-11-23 16:45:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_from_anchor [2021-11-23 16:45:05,442 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_break_ctl [2021-11-23 16:45:05,442 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_break_ctl [2021-11-23 16:45:05,443 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 16:45:05,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 16:45:05,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2021-11-23 16:45:05,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2021-11-23 16:45:05,447 INFO L130 BoogieDeclarations]: Found specification of procedure acm_start_wb [2021-11-23 16:45:05,447 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_start_wb [2021-11-23 16:45:05,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2021-11-23 16:45:05,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2021-11-23 16:45:05,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 16:45:05,450 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 16:45:05,450 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 16:45:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 16:45:05,457 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_throttle [2021-11-23 16:45:05,457 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_throttle [2021-11-23 16:45:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure acm_wb_is_avail [2021-11-23 16:45:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_wb_is_avail [2021-11-23 16:45:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 16:45:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 16:45:05,458 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 16:45:05,458 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 16:45:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-23 16:45:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-23 16:45:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_write_room [2021-11-23 16:45:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_write_room [2021-11-23 16:45:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urb [2021-11-23 16:45:05,459 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urb [2021-11-23 16:45:05,459 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-23 16:45:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-23 16:45:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 16:45:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 16:45:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure acm_set_control [2021-11-23 16:45:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_set_control [2021-11-23 16:45:05,460 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-23 16:45:05,460 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-23 16:45:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure acm_write_done [2021-11-23 16:45:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_write_done [2021-11-23 16:45:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_ioctl [2021-11-23 16:45:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_ioctl [2021-11-23 16:45:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure acm_release_minor [2021-11-23 16:45:05,461 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_release_minor [2021-11-23 16:45:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-11-23 16:45:05,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-11-23 16:45:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-11-23 16:45:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-11-23 16:45:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-23 16:45:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-23 16:45:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 16:45:05,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 16:45:05,462 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2021-11-23 16:45:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2021-11-23 16:45:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface_async [2021-11-23 16:45:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface_async [2021-11-23 16:45:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_unthrottle [2021-11-23 16:45:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_unthrottle [2021-11-23 16:45:05,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-23 16:45:05,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-23 16:45:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:45:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-23 16:45:05,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-23 16:45:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:45:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:45:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 16:45:05,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-11-23 16:45:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-11-23 16:45:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-11-23 16:45:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-23 16:45:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-23 16:45:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure acm_port_dtr_rts [2021-11-23 16:45:05,465 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_port_dtr_rts [2021-11-23 16:45:05,465 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-23 16:45:05,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-23 16:45:05,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-23 16:45:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-23 16:45:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure acm_read_buffers_free [2021-11-23 16:45:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_read_buffers_free [2021-11-23 16:45:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure acm_submit_read_urbs [2021-11-23 16:45:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_submit_read_urbs [2021-11-23 16:45:05,467 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_install [2021-11-23 16:45:05,467 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_install [2021-11-23 16:45:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure stop_data_traffic [2021-11-23 16:45:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_data_traffic [2021-11-23 16:45:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 16:45:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 16:45:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 16:45:05,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 16:45:05,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-11-23 16:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-23 16:45:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-23 16:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-23 16:45:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-23 16:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure acm_tty_tiocmset [2021-11-23 16:45:05,469 INFO L138 BoogieDeclarations]: Found implementation of procedure acm_tty_tiocmset [2021-11-23 16:45:05,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:45:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:45:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2021-11-23 16:45:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2021-11-23 16:45:05,470 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-23 16:45:05,470 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-23 16:45:06,275 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:45:06,279 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:45:06,935 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:45:06,939 INFO L158 Benchmark]: Toolchain (without parser) took 6474.14ms. Allocated memory was 50.3MB in the beginning and 285.2MB in the end (delta: 234.9MB). Free memory was 24.8MB in the beginning and 151.5MB in the end (delta: -126.7MB). Peak memory consumption was 123.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:06,940 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 50.3MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:45:06,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3840.05ms. Allocated memory was 50.3MB in the beginning and 285.2MB in the end (delta: 234.9MB). Free memory was 24.5MB in the beginning and 189.4MB in the end (delta: -164.8MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. [2021-11-23 16:45:06,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 457.18ms. Allocated memory is still 285.2MB. Free memory was 189.4MB in the beginning and 146.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:06,942 INFO L158 Benchmark]: Boogie Preprocessor took 496.00ms. Allocated memory is still 285.2MB. Free memory was 146.4MB in the beginning and 156.0MB in the end (delta: -9.6MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-23 16:45:06,943 INFO L158 Benchmark]: RCFGBuilder took 1674.05ms. Allocated memory is still 285.2MB. Free memory was 156.0MB in the beginning and 151.5MB in the end (delta: 4.6MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2021-11-23 16:45:06,946 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 50.3MB. Free memory was 31.2MB in the beginning and 31.2MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3840.05ms. Allocated memory was 50.3MB in the beginning and 285.2MB in the end (delta: 234.9MB). Free memory was 24.5MB in the beginning and 189.4MB in the end (delta: -164.8MB). Peak memory consumption was 79.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 457.18ms. Allocated memory is still 285.2MB. Free memory was 189.4MB in the beginning and 146.4MB in the end (delta: 43.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 496.00ms. Allocated memory is still 285.2MB. Free memory was 146.4MB in the beginning and 156.0MB in the end (delta: -9.6MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1674.05ms. Allocated memory is still 285.2MB. Free memory was 156.0MB in the beginning and 151.5MB in the end (delta: 4.6MB). Peak memory consumption was 20.3MB. 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 16:45:07,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_acfc500b-7347-46cd-b17b-44e8b28f8e21/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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