./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:05,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:05,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:05,551 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:05,552 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:05,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:05,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:05,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:05,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:05,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:05,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:05,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:05,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:05,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:05,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:05,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:05,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:05,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:05,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:05,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:05,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:05,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:05,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:05,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:05,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:05,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:05,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:05,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:05,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:05,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:05,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:05,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:05,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:05,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:05,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:05,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:05,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:05,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:05,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:05,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:05,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:05,598 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:34:05,623 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:05,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:05,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:05,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:05,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:05,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:05,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:05,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:05,625 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:05,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:05,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:34:05,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:05,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:05,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:05,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:05,627 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:05,627 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:05,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:05,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:05,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:05,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:05,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:05,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:05,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:05,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:05,629 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:34:05,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:34:05,629 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:05,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:05,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:05,630 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:05,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2021-12-15 12:34:05,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:05,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:05,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:05,842 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:05,843 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:05,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2021-12-15 12:34:05,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1075dfd16/52ff44c0aa9e4f949eb043f75557fcca/FLAGbc236e915 [2021-12-15 12:34:06,492 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:06,493 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2021-12-15 12:34:06,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1075dfd16/52ff44c0aa9e4f949eb043f75557fcca/FLAGbc236e915 [2021-12-15 12:34:06,920 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1075dfd16/52ff44c0aa9e4f949eb043f75557fcca [2021-12-15 12:34:06,922 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:06,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:06,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:06,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:06,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:06,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:06" (1/1) ... [2021-12-15 12:34:06,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f4b4e12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:06, skipping insertion in model container [2021-12-15 12:34:06,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:06" (1/1) ... [2021-12-15 12:34:06,934 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:07,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:07,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2021-12-15 12:34:07,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:07,868 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:08,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2021-12-15 12:34:08,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:08,330 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:08,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08 WrapperNode [2021-12-15 12:34:08,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:08,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:08,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:08,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:08,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,453 INFO L137 Inliner]: procedures = 133, calls = 733, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1375 [2021-12-15 12:34:08,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:08,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:08,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:08,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:08,461 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:08,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:08,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:08,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:08,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:08" (1/1) ... [2021-12-15 12:34:08,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:08,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:08,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:34:08,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:34:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 12:34:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 12:34:08,702 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2021-12-15 12:34:08,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:34:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:34:08,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:34:08,703 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2021-12-15 12:34:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2021-12-15 12:34:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2021-12-15 12:34:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2021-12-15 12:34:08,704 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-15 12:34:08,704 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-15 12:34:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-15 12:34:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-15 12:34:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:34:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 12:34:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 12:34:08,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:08,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:34:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:34:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2021-12-15 12:34:08,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2021-12-15 12:34:08,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2021-12-15 12:34:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2021-12-15 12:34:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 12:34:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 12:34:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2021-12-15 12:34:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2021-12-15 12:34:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 12:34:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 12:34:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 12:34:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 12:34:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:08,708 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 12:34:08,708 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 12:34:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:08,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:08,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-15 12:34:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-15 12:34:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:08,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:08,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:34:08,711 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:34:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-15 12:34:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-15 12:34:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 12:34:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 12:34:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-15 12:34:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-15 12:34:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:34:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:34:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:34:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:34:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:08,713 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-15 12:34:08,713 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-15 12:34:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:34:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-15 12:34:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-15 12:34:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:34:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:34:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:34:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:08,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:08,975 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:08,977 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:09,287 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:09,291 INFO L158 Benchmark]: Toolchain (without parser) took 2367.12ms. Allocated memory was 102.8MB in the beginning and 211.8MB in the end (delta: 109.1MB). Free memory was 58.7MB in the beginning and 108.7MB in the end (delta: -50.1MB). Peak memory consumption was 59.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:09,291 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:09,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1407.10ms. Allocated memory was 102.8MB in the beginning and 211.8MB in the end (delta: 109.1MB). Free memory was 58.5MB in the beginning and 158.0MB in the end (delta: -99.5MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:09,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.20ms. Allocated memory is still 211.8MB. Free memory was 158.0MB in the beginning and 148.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:09,293 INFO L158 Benchmark]: Boogie Preprocessor took 119.11ms. Allocated memory is still 211.8MB. Free memory was 148.6MB in the beginning and 139.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:09,294 INFO L158 Benchmark]: RCFGBuilder took 715.34ms. Allocated memory is still 211.8MB. Free memory was 139.1MB in the beginning and 108.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:09,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 75.7MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1407.10ms. Allocated memory was 102.8MB in the beginning and 211.8MB in the end (delta: 109.1MB). Free memory was 58.5MB in the beginning and 158.0MB in the end (delta: -99.5MB). Peak memory consumption was 70.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 121.20ms. Allocated memory is still 211.8MB. Free memory was 158.0MB in the beginning and 148.6MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 119.11ms. Allocated memory is still 211.8MB. Free memory was 148.6MB in the beginning and 139.1MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 715.34ms. Allocated memory is still 211.8MB. Free memory was 139.1MB in the beginning and 108.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. 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. [2021-12-15 12:34:09,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:11,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:11,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:11,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:11,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:11,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:11,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:11,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:11,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:11,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:11,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:11,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:11,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:11,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:11,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:11,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:11,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:11,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:11,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:11,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:11,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:11,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:11,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:11,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:11,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:11,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:11,293 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:11,294 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:11,294 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:11,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:11,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:11,296 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:11,297 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:11,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:11,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:11,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:11,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:11,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:11,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:11,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:11,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:11,304 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:11,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:11,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:11,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:11,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:11,345 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:11,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:11,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:11,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:11,346 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:11,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:11,347 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:11,347 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:11,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:11,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:11,348 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:11,348 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:11,348 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:11,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:11,348 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:11,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:11,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:11,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:11,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:11,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:11,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:11,350 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:11,350 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:11,350 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:11,350 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:11,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:11,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:11,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:11,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:11,351 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:11,351 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01d4ebb86f2bde0df0d47bbd5d9b632b620f2501e68770553e85fb2bb5a7d15a [2021-12-15 12:34:11,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:11,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:11,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:11,750 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:11,750 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:11,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2021-12-15 12:34:11,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5171e5a/52f66cab509941368952f9d2d229c5d1/FLAG238d4ef03 [2021-12-15 12:34:12,374 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:12,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i [2021-12-15 12:34:12,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5171e5a/52f66cab509941368952f9d2d229c5d1/FLAG238d4ef03 [2021-12-15 12:34:12,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d5171e5a/52f66cab509941368952f9d2d229c5d1 [2021-12-15 12:34:12,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:12,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:12,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:12,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:12,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:12,801 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:12" (1/1) ... [2021-12-15 12:34:12,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@227f675 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:12, skipping insertion in model container [2021-12-15 12:34:12,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:12" (1/1) ... [2021-12-15 12:34:12,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:12,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:13,804 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2021-12-15 12:34:13,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:13,884 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:13,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:14,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2021-12-15 12:34:14,091 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:14,105 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:14,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-can-usb-ems_usb.ko.cil.out.i[191320,191333] [2021-12-15 12:34:14,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:14,517 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:14,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14 WrapperNode [2021-12-15 12:34:14,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:14,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:14,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:14,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:14,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,595 INFO L137 Inliner]: procedures = 148, calls = 733, calls flagged for inlining = 54, calls inlined = 44, statements flattened = 1342 [2021-12-15 12:34:14,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:14,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:14,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:14,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:14,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:14,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:14,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:14,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:14,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:14" (1/1) ... [2021-12-15 12:34:14,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:14,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:14,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:34:14,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:34:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 12:34:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 12:34:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_init [2021-12-15 12:34:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_init [2021-12-15 12:34:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:34:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:34:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:34:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-15 12:34:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-15 12:34:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_control_cmd [2021-12-15 12:34:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_control_cmd [2021-12-15 12:34:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_exit [2021-12-15 12:34:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_exit [2021-12-15 12:34:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-12-15 12:34:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-12-15 12:34:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-12-15 12:34:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-12-15 12:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-12-15 12:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-12-15 12:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:34:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:34:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:34:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:34:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-15 12:34:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-15 12:34:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_command_msg [2021-12-15 12:34:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_command_msg [2021-12-15 12:34:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_all_urbs [2021-12-15 12:34:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_all_urbs [2021-12-15 12:34:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-15 12:34:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-15 12:34:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:34:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure ems_usb_write_mode [2021-12-15 12:34:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ems_usb_write_mode [2021-12-15 12:34:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:34:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:34:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 12:34:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 12:34:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2021-12-15 12:34:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2021-12-15 12:34:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 12:34:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 12:34:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-12-15 12:34:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-12-15 12:34:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:34:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:34:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:34:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-15 12:34:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-15 12:34:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-15 12:34:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-15 12:34:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-12-15 12:34:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-12-15 12:34:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:34:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:34:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-15 12:34:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-15 12:34:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure close_candev [2021-12-15 12:34:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure close_candev [2021-12-15 12:34:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:34:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure free_candev [2021-12-15 12:34:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure free_candev [2021-12-15 12:34:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:34:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:34:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:15,026 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:15,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:17,475 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:34:17,479 INFO L158 Benchmark]: Toolchain (without parser) took 4683.21ms. Allocated memory was 58.7MB in the beginning and 218.1MB in the end (delta: 159.4MB). Free memory was 28.6MB in the beginning and 157.3MB in the end (delta: -128.7MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,480 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:17,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1720.62ms. Allocated memory was 58.7MB in the beginning and 148.9MB in the end (delta: 90.2MB). Free memory was 28.4MB in the beginning and 101.3MB in the end (delta: -73.0MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.45ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 92.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,481 INFO L158 Benchmark]: Boogie Preprocessor took 72.39ms. Allocated memory is still 148.9MB. Free memory was 92.0MB in the beginning and 81.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,481 INFO L158 Benchmark]: RCFGBuilder took 2808.44ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 81.5MB in the beginning and 157.3MB in the end (delta: -75.8MB). Peak memory consumption was 35.5MB. Max. memory is 16.1GB. [2021-12-15 12:34:17,483 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory was 40.0MB in the beginning and 39.9MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1720.62ms. Allocated memory was 58.7MB in the beginning and 148.9MB in the end (delta: 90.2MB). Free memory was 28.4MB in the beginning and 101.3MB in the end (delta: -73.0MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.45ms. Allocated memory is still 148.9MB. Free memory was 101.3MB in the beginning and 92.0MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.39ms. Allocated memory is still 148.9MB. Free memory was 92.0MB in the beginning and 81.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2808.44ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 81.5MB in the beginning and 157.3MB in the end (delta: -75.8MB). Peak memory consumption was 35.5MB. 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. [2021-12-15 12:34:17,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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