./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.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-usb-misc-iowarrior.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 f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:17,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:17,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:17,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:17,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:17,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:17,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:17,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:17,342 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:17,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:17,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:17,348 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:17,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:17,350 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:17,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:17,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:17,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:17,357 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:17,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:17,368 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:17,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:17,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:17,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:17,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:17,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:17,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:17,378 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:17,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:17,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:17,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:17,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:17,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:17,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:17,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:17,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:17,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:17,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:17,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:17,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:17,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:17,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:17,387 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:34:17,405 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:17,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:17,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:17,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:17,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:17,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:17,407 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:17,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:17,408 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:17,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:17,408 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:34:17,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:17,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:17,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:17,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:17,409 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:17,409 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:17,409 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:17,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:17,409 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:17,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:17,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:17,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:17,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:17,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:17,410 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:34:17,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:34:17,411 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:17,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:17,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:17,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:17,411 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 [2021-12-15 12:34:17,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:17,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:17,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:17,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:17,639 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:17,640 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-12-15 12:34:17,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d468283/cb9224f9c15e4b838c97d83c32289745/FLAGf5407269d [2021-12-15 12:34:18,251 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:18,252 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-12-15 12:34:18,280 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d468283/cb9224f9c15e4b838c97d83c32289745/FLAGf5407269d [2021-12-15 12:34:18,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6d468283/cb9224f9c15e4b838c97d83c32289745 [2021-12-15 12:34:18,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:18,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:18,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:18,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:18,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:18,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:18" (1/1) ... [2021-12-15 12:34:18,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ba243ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:18, skipping insertion in model container [2021-12-15 12:34:18,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:18" (1/1) ... [2021-12-15 12:34:18,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:18,780 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:19,524 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-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-12-15 12:34:19,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:19,583 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:19,731 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-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-12-15 12:34:19,739 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:19,777 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:19,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19 WrapperNode [2021-12-15 12:34:19,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:19,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:19,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:19,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:19,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:19,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:19,931 INFO L137 Inliner]: procedures = 131, calls = 748, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 2145 [2021-12-15 12:34:19,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:19,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:19,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:19,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:19,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:19,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:19,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:19,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:20,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:20,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:20,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:20,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:20,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:20,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:20,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:20,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:19" (1/1) ... [2021-12-15 12:34:20,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:20,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:20,130 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 12:34:20,148 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 12:34:20,164 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 12:34:20,164 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 12:34:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:34:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 12:34:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 12:34:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:34:20,165 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:34:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:20,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:34:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 12:34:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 12:34:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:34:20,166 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:34:20,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:34:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:34:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:20,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:20,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:34:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:34:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 12:34:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 12:34:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2021-12-15 12:34:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2021-12-15 12:34:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:34:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:34:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:34:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:34:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:34:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 12:34:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 12:34:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:34:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:34:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2021-12-15 12:34:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2021-12-15 12:34:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2021-12-15 12:34:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2021-12-15 12:34:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:34:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:34:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-15 12:34:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-15 12:34:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:34:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2021-12-15 12:34:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2021-12-15 12:34:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 12:34:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 12:34:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-15 12:34:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-15 12:34:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 12:34:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 12:34:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:34:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:34:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:34:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:34:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:34:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:34:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:34:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:34:20,193 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:34:20,193 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:34:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:34:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:34:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:34:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:34:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:34:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:34:20,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:34:20,194 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:34:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2021-12-15 12:34:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2021-12-15 12:34:20,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:20,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:34:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:34:20,196 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:34:20,196 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 12:34:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 12:34:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:34:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:34:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:34:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:34:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:34:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:20,556 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:20,559 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:20,779 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:20,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-15 12:34:20,785 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:20,944 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 12:34:20,952 INFO L158 Benchmark]: Toolchain (without parser) took 2235.47ms. Allocated memory was 81.8MB in the beginning and 142.6MB in the end (delta: 60.8MB). Free memory was 43.8MB in the beginning and 63.2MB in the end (delta: -19.4MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:20,953 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:20,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1061.03ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:20,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 153.06ms. Allocated memory is still 98.6MB. Free memory was 42.1MB in the beginning and 53.3MB in the end (delta: -11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-12-15 12:34:20,956 INFO L158 Benchmark]: Boogie Preprocessor took 148.12ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 40.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:20,956 INFO L158 Benchmark]: RCFGBuilder took 869.39ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 40.3MB in the beginning and 63.2MB in the end (delta: -22.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2021-12-15 12:34:20,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 81.8MB. Free memory was 41.5MB in the beginning and 41.4MB in the end (delta: 30.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1061.03ms. Allocated memory was 81.8MB in the beginning and 98.6MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 153.06ms. Allocated memory is still 98.6MB. Free memory was 42.1MB in the beginning and 53.3MB in the end (delta: -11.1MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.12ms. Allocated memory is still 98.6MB. Free memory was 53.3MB in the beginning and 40.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 869.39ms. Allocated memory was 98.6MB in the beginning and 142.6MB in the end (delta: 44.0MB). Free memory was 40.3MB in the beginning and 63.2MB in the end (delta: -22.9MB). Peak memory consumption was 21.3MB. 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. [2021-12-15 12:34:21,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/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-usb-misc-iowarrior.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 f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:34:22,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:34:22,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:34:23,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:34:23,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:34:23,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:34:23,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:34:23,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:34:23,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:34:23,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:34:23,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:34:23,042 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:34:23,043 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:34:23,045 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:34:23,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:34:23,049 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:34:23,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:34:23,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:34:23,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:34:23,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:34:23,060 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:34:23,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:34:23,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:34:23,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:34:23,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:34:23,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:34:23,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:34:23,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:34:23,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:34:23,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:34:23,074 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:34:23,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:34:23,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:34:23,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:34:23,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:34:23,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:34:23,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:34:23,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:34:23,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:34:23,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:34:23,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:34:23,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:34:23,102 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:34:23,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:34:23,102 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:34:23,102 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:34:23,103 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:34:23,103 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:34:23,104 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:34:23,104 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:34:23,104 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:34:23,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:23,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:34:23,105 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:34:23,106 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:34:23,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:34:23,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:34:23,106 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:34:23,106 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:34:23,106 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3090fd14639372da088dcbc149768c93516e312be941c28b3a0b4b80aaee842 [2021-12-15 12:34:23,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:34:23,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:34:23,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:34:23,441 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:34:23,443 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:34:23,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-12-15 12:34:23,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53780584b/bd7b5516c1be438bb477ad0890aa985d/FLAGde23eef21 [2021-12-15 12:34:24,080 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:34:24,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-usb-misc-iowarrior.ko.cil.out.i [2021-12-15 12:34:24,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53780584b/bd7b5516c1be438bb477ad0890aa985d/FLAGde23eef21 [2021-12-15 12:34:24,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53780584b/bd7b5516c1be438bb477ad0890aa985d [2021-12-15 12:34:24,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:34:24,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:34:24,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:24,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:34:24,305 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:34:24,306 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:24" (1/1) ... [2021-12-15 12:34:24,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a32095 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:24, skipping insertion in model container [2021-12-15 12:34:24,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:34:24" (1/1) ... [2021-12-15 12:34:24,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:34:24,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:25,199 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-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-12-15 12:34:25,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:25,266 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:34:25,287 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:34:25,429 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-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-12-15 12:34:25,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:25,454 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:34:25,566 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-usb-misc-iowarrior.ko.cil.out.i[159323,159336] [2021-12-15 12:34:25,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:34:25,635 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:34:25,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25 WrapperNode [2021-12-15 12:34:25,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:34:25,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:25,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:34:25,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:34:25,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,757 INFO L137 Inliner]: procedures = 146, calls = 748, calls flagged for inlining = 45, calls inlined = 42, statements flattened = 2096 [2021-12-15 12:34:25,757 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:34:25,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:34:25,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:34:25,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:34:25,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:34:25,889 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:34:25,889 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:34:25,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:34:25,890 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:34:25" (1/1) ... [2021-12-15 12:34:25,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:34:25,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:34:25,913 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 12:34:25,923 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 12:34:25,945 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-15 12:34:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-15 12:34:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:34:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-15 12:34:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-15 12:34:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-12-15 12:34:25,946 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-12-15 12:34:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:34:25,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:34:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:34:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 12:34:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:34:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-12-15 12:34:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-12-15 12:34:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:34:25,947 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:34:25,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-15 12:34:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-15 12:34:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-15 12:34:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-15 12:34:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-15 12:34:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-15 12:34:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-15 12:34:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-15 12:34:25,948 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-15 12:34:25,948 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-15 12:34:25,949 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-15 12:34:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-15 12:34:25,949 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_init [2021-12-15 12:34:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_init [2021-12-15 12:34:25,949 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-15 12:34:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-15 12:34:25,949 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-15 12:34:25,949 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2021-12-15 12:34:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:34:25,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:34:25,950 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-15 12:34:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-15 12:34:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-15 12:34:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-15 12:34:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 12:34:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_exit [2021-12-15 12:34:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_exit [2021-12-15 12:34:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure iowarrior_delete [2021-12-15 12:34:25,951 INFO L138 BoogieDeclarations]: Found implementation of procedure iowarrior_delete [2021-12-15 12:34:25,951 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-15 12:34:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-15 12:34:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:34:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-15 12:34:25,952 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-15 12:34:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:34:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 12:34:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:34:25,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:34:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:34:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:34:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_report [2021-12-15 12:34:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_report [2021-12-15 12:34:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-12-15 12:34:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-12-15 12:34:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:34:25,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-15 12:34:25,953 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-15 12:34:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-15 12:34:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-15 12:34:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:34:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:34:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-15 12:34:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-15 12:34:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-12-15 12:34:25,954 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-12-15 12:34:25,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2021-12-15 12:34:25,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:34:25,955 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:34:25,955 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-15 12:34:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-15 12:34:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:34:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:34:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:34:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:34:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-15 12:34:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-15 12:34:25,956 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-15 12:34:25,956 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-15 12:34:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-15 12:34:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-15 12:34:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-15 12:34:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-15 12:34:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-15 12:34:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-15 12:34:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure read_index [2021-12-15 12:34:25,957 INFO L138 BoogieDeclarations]: Found implementation of procedure read_index [2021-12-15 12:34:25,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2021-12-15 12:34:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2021-12-15 12:34:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:34:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-15 12:34:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-15 12:34:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-15 12:34:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-15 12:34:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-12-15 12:34:25,958 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-12-15 12:34:25,958 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-15 12:34:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-15 12:34:25,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:34:25,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:34:26,353 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:34:26,357 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:34:28,705 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-15 12:34:28,724 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2021-12-15 12:34:28,724 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2021-12-15 12:34:31,045 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$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 12:34:31,049 INFO L158 Benchmark]: Toolchain (without parser) took 6746.37ms. Allocated memory was 60.8MB in the beginning and 136.3MB in the end (delta: 75.5MB). Free memory was 34.4MB in the beginning and 68.5MB in the end (delta: -34.1MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:31,050 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:34:31,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.28ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 34.2MB in the beginning and 47.8MB in the end (delta: -13.6MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:31,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.87ms. Allocated memory is still 100.7MB. Free memory was 47.8MB in the beginning and 35.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:34:31,052 INFO L158 Benchmark]: Boogie Preprocessor took 130.18ms. Allocated memory is still 100.7MB. Free memory was 35.6MB in the beginning and 40.0MB in the end (delta: -4.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-12-15 12:34:31,053 INFO L158 Benchmark]: RCFGBuilder took 5158.69ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 40.0MB in the beginning and 68.5MB in the end (delta: -28.5MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-15 12:34:31,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 60.8MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 32.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.28ms. Allocated memory was 60.8MB in the beginning and 100.7MB in the end (delta: 39.8MB). Free memory was 34.2MB in the beginning and 47.8MB in the end (delta: -13.6MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.87ms. Allocated memory is still 100.7MB. Free memory was 47.8MB in the beginning and 35.6MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 130.18ms. Allocated memory is still 100.7MB. Free memory was 35.6MB in the beginning and 40.0MB in the end (delta: -4.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * RCFGBuilder took 5158.69ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 40.0MB in the beginning and 68.5MB in the end (delta: -28.5MB). Peak memory consumption was 15.9MB. 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 12:34:31,118 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