./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.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 bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:37:48,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:37:48,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:37:48,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:37:48,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:37:48,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:37:48,308 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:37:48,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:37:48,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:37:48,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:37:48,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:37:48,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:37:48,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:37:48,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:37:48,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:37:48,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:37:48,335 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:37:48,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:37:48,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:37:48,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:37:48,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:37:48,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:37:48,351 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:37:48,352 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:37:48,356 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:37:48,357 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:37:48,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:37:48,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:37:48,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:37:48,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:37:48,361 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:37:48,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:37:48,363 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:37:48,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:37:48,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:37:48,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:37:48,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:37:48,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:37:48,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:37:48,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:37:48,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:37:48,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:37:48,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:37:48,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:37:48,412 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:37:48,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:37:48,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:37:48,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:37:48,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:37:48,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:37:48,415 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:37:48,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:37:48,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:37:48,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:37:48,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:37:48,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:37:48,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:37:48,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:37:48,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:37:48,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:37:48,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:37:48,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:37:48,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:37:48,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:37:48,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:37:48,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:37:48,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:37:48,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:37:48,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:37:48,419 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:37:48,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:37:48,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:37:48,420 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:37:48,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2021-12-14 18:37:48,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:37:48,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:37:48,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:37:48,673 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:37:48,673 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:37:48,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-12-14 18:37:48,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec07d90e4/ab3f3be5d0ad41e69c842bab19ee7523/FLAG7ac152186 [2021-12-14 18:37:49,501 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:37:49,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-12-14 18:37:49,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec07d90e4/ab3f3be5d0ad41e69c842bab19ee7523/FLAG7ac152186 [2021-12-14 18:37:50,067 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec07d90e4/ab3f3be5d0ad41e69c842bab19ee7523 [2021-12-14 18:37:50,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:37:50,071 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:37:50,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:37:50,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:37:50,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:37:50,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:37:50" (1/1) ... [2021-12-14 18:37:50,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53bd9357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:50, skipping insertion in model container [2021-12-14 18:37:50,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:37:50" (1/1) ... [2021-12-14 18:37:50,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:37:50,207 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:37:53,589 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2021-12-14 18:37:53,592 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2021-12-14 18:37:53,593 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2021-12-14 18:37:53,604 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2021-12-14 18:37:53,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:37:53,707 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:37:54,010 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387186,387199] [2021-12-14 18:37:54,011 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387355,387368] [2021-12-14 18:37:54,011 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387522,387535] [2021-12-14 18:37:54,011 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-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i[387690,387703] [2021-12-14 18:37:54,043 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:37:54,294 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:37:54,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54 WrapperNode [2021-12-14 18:37:54,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:37:54,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:37:54,297 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:37:54,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:37:54,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,562 INFO L137 Inliner]: procedures = 541, calls = 2423, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5583 [2021-12-14 18:37:54,563 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:37:54,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:37:54,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:37:54,564 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:37:54,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:37:54,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:37:54,800 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:37:54,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:37:54,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (1/1) ... [2021-12-14 18:37:54,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:37:54,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:37:54,828 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) [2021-12-14 18:37:54,853 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 [2021-12-14 18:37:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2021-12-14 18:37:54,865 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2021-12-14 18:37:54,865 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:37:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:37:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:37:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:37:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:37:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:37:54,866 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:37:54,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:37:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-12-14 18:37:54,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-12-14 18:37:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:37:54,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:37:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2021-12-14 18:37:54,867 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2021-12-14 18:37:54,867 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:37:54,868 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:37:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:37:54,868 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:37:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2021-12-14 18:37:54,868 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2021-12-14 18:37:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:37:54,868 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:37:54,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:37:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:37:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:37:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:37:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 18:37:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 18:37:54,869 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:37:54,869 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:37:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:37:54,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:37:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:37:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 18:37:54,870 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 18:37:54,870 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2021-12-14 18:37:54,870 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2021-12-14 18:37:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2021-12-14 18:37:54,871 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2021-12-14 18:37:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:37:54,871 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:37:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-14 18:37:54,871 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-14 18:37:54,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:37:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:37:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:37:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2021-12-14 18:37:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2021-12-14 18:37:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:37:54,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:37:54,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:37:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:37:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:37:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:37:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2021-12-14 18:37:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2021-12-14 18:37:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:37:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:37:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:37:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:37:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-14 18:37:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-14 18:37:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:37:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:37:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 18:37:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 18:37:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2021-12-14 18:37:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2021-12-14 18:37:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:37:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:37:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:37:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:37:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:37:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-14 18:37:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-14 18:37:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:37:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:37:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:37:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:37:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-14 18:37:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-14 18:37:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:37:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:37:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:37:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:37:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2021-12-14 18:37:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2021-12-14 18:37:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:37:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:37:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:37:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:37:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-14 18:37:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-14 18:37:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:37:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:37:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2021-12-14 18:37:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2021-12-14 18:37:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:37:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:37:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 18:37:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 18:37:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:37:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:37:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 18:37:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 18:37:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2021-12-14 18:37:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2021-12-14 18:37:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-14 18:37:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-14 18:37:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-14 18:37:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-14 18:37:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:37:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:37:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2021-12-14 18:37:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2021-12-14 18:37:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2021-12-14 18:37:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2021-12-14 18:37:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:37:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:37:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:37:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:37:54,882 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2021-12-14 18:37:54,882 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2021-12-14 18:37:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:37:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:37:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:37:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:37:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2021-12-14 18:37:54,883 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2021-12-14 18:37:54,883 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2021-12-14 18:37:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2021-12-14 18:37:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-14 18:37:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-14 18:37:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:37:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:37:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:37:54,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:37:54,884 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-14 18:37:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-14 18:37:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-14 18:37:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-14 18:37:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-14 18:37:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-14 18:37:54,885 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2021-12-14 18:37:54,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2021-12-14 18:37:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:37:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:37:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-12-14 18:37:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-12-14 18:37:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 18:37:54,886 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 18:37:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:37:54,886 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 18:37:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 18:37:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:37:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2021-12-14 18:37:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2021-12-14 18:37:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 18:37:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 18:37:54,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2021-12-14 18:37:54,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2021-12-14 18:37:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-14 18:37:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-14 18:37:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2021-12-14 18:37:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2021-12-14 18:37:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2021-12-14 18:37:54,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2021-12-14 18:37:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:37:54,888 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-14 18:37:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-14 18:37:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 18:37:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 18:37:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-14 18:37:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-14 18:37:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:37:54,889 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:37:54,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:37:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:37:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2021-12-14 18:37:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2021-12-14 18:37:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2021-12-14 18:37:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2021-12-14 18:37:54,890 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-14 18:37:54,890 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-14 18:37:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:37:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:37:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:37:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:37:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2021-12-14 18:37:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2021-12-14 18:37:54,891 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:37:54,891 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:37:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2021-12-14 18:37:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2021-12-14 18:37:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:37:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:37:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:37:54,892 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2021-12-14 18:37:54,892 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2021-12-14 18:37:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 18:37:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 18:37:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2021-12-14 18:37:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2021-12-14 18:37:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:37:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:37:54,893 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2021-12-14 18:37:54,893 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2021-12-14 18:37:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-14 18:37:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-14 18:37:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2021-12-14 18:37:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2021-12-14 18:37:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 18:37:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 18:37:54,894 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-14 18:37:54,894 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-14 18:37:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-14 18:37:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-14 18:37:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:37:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:37:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:37:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2021-12-14 18:37:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2021-12-14 18:37:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:37:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:37:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-14 18:37:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-14 18:37:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2021-12-14 18:37:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2021-12-14 18:37:55,806 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:37:55,812 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:37:55,956 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:38:39,284 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:38:39,475 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:38:39,499 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:38:39,499 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:38:39,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:39 BoogieIcfgContainer [2021-12-14 18:38:39,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:38:39,505 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:38:39,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:38:39,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:38:39,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:37:50" (1/3) ... [2021-12-14 18:38:39,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c38adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:39, skipping insertion in model container [2021-12-14 18:38:39,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:37:54" (2/3) ... [2021-12-14 18:38:39,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c38adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:38:39, skipping insertion in model container [2021-12-14 18:38:39,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:38:39" (3/3) ... [2021-12-14 18:38:39,515 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-12-14 18:38:39,519 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:38:39,519 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:38:39,583 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:38:39,591 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:38:39,591 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:38:39,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) [2021-12-14 18:38:39,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-14 18:38:39,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:38:39,664 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:38:39,665 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:38:39,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:38:39,669 INFO L85 PathProgramCache]: Analyzing trace with hash -392823862, now seen corresponding path program 1 times [2021-12-14 18:38:39,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:38:39,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911449306] [2021-12-14 18:38:39,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:38:39,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:38:40,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:38:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:38:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:38:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:38:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:38:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:38:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-14 18:38:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-14 18:38:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-14 18:38:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-14 18:38:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-14 18:38:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:38:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-14 18:38:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:38:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-14 18:38:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-14 18:38:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:38:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:41,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-14 18:38:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-14 18:38:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:38:41,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-14 18:38:41,037 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:38:41,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911449306] [2021-12-14 18:38:41,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911449306] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:38:41,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:38:41,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:38:41,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500957641] [2021-12-14 18:38:41,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:38:41,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:38:41,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:38:41,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:38:41,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:38:41,073 INFO L87 Difference]: Start difference. First operand has 2021 states, 1350 states have (on average 1.24) internal successors, (1674), 1373 states have internal predecessors, (1674), 562 states have call successors, (562), 107 states have call predecessors, (562), 106 states have return successors, (557), 553 states have call predecessors, (557), 557 states have call successors, (557) Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2021-12-14 18:38:43,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:38:45,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []