./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 ff03de63 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-dev-ff03de6 [2021-12-21 17:05:31,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 17:05:31,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 17:05:31,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 17:05:31,736 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 17:05:31,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 17:05:31,738 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 17:05:31,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 17:05:31,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 17:05:31,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 17:05:31,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 17:05:31,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 17:05:31,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 17:05:31,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 17:05:31,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 17:05:31,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 17:05:31,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 17:05:31,762 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 17:05:31,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 17:05:31,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 17:05:31,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 17:05:31,772 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 17:05:31,773 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 17:05:31,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 17:05:31,778 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 17:05:31,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 17:05:31,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 17:05:31,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 17:05:31,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 17:05:31,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 17:05:31,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 17:05:31,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 17:05:31,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 17:05:31,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 17:05:31,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 17:05:31,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 17:05:31,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 17:05:31,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 17:05:31,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 17:05:31,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 17:05:31,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 17:05:31,788 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-21 17:05:31,809 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 17:05:31,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 17:05:31,811 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 17:05:31,811 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 17:05:31,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 17:05:31,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 17:05:31,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 17:05:31,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 17:05:31,812 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 17:05:31,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 17:05:31,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 17:05:31,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 17:05:31,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 17:05:31,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 17:05:31,813 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 17:05:31,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 17:05:31,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 17:05:31,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 17:05:31,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 17:05:31,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 17:05:31,814 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 17:05:31,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:05:31,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 17:05:31,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 17:05:31,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 17:05:31,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 17:05:31,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 17:05:31,816 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 17:05:31,816 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 17:05:31,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 17:05:31,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 17:05:31,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2021-12-21 17:05:31,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 17:05:31,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 17:05:31,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 17:05:31,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 17:05:31,981 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 17:05:31,982 INFO L432 ainManager$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 [2021-12-21 17:05:32,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adcfbb36e/22ae0c50b530400ba8caf634a6473a21/FLAG1164c5b23 [2021-12-21 17:05:32,634 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 17:05:32,634 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 [2021-12-21 17:05:32,685 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adcfbb36e/22ae0c50b530400ba8caf634a6473a21/FLAG1164c5b23 [2021-12-21 17:05:33,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/adcfbb36e/22ae0c50b530400ba8caf634a6473a21 [2021-12-21 17:05:33,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 17:05:33,009 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 17:05:33,010 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 17:05:33,010 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 17:05:33,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 17:05:33,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:05:33" (1/1) ... [2021-12-21 17:05:33,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24bdd4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:33, skipping insertion in model container [2021-12-21 17:05:33,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:05:33" (1/1) ... [2021-12-21 17:05:33,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 17:05:33,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 17:05:35,226 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] [2021-12-21 17:05:35,229 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] [2021-12-21 17:05:35,230 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] [2021-12-21 17:05:35,230 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] [2021-12-21 17:05:35,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:05:35,322 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 17:05:35,539 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] [2021-12-21 17:05:35,539 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] [2021-12-21 17:05:35,540 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] [2021-12-21 17:05:35,540 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] [2021-12-21 17:05:35,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 17:05:35,723 INFO L208 MainTranslator]: Completed translation [2021-12-21 17:05:35,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35 WrapperNode [2021-12-21 17:05:35,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 17:05:35,724 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 17:05:35,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 17:05:35,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 17:05:35,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:35,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:35,996 INFO L137 Inliner]: procedures = 541, calls = 2423, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5583 [2021-12-21 17:05:35,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 17:05:35,997 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 17:05:35,997 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 17:05:35,997 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 17:05:36,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 17:05:36,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 17:05:36,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 17:05:36,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 17:05:36,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (1/1) ... [2021-12-21 17:05:36,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 17:05:36,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 17:05:36,241 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) [2021-12-21 17:05:36,259 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 [2021-12-21 17:05:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2021-12-21 17:05:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2021-12-21 17:05:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-21 17:05:36,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-21 17:05:36,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-21 17:05:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-21 17:05:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-21 17:05:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-21 17:05:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-21 17:05:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-21 17:05:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-12-21 17:05:36,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-12-21 17:05:36,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:05:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-21 17:05:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2021-12-21 17:05:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2021-12-21 17:05:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-21 17:05:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-21 17:05:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-21 17:05:36,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-21 17:05:36,274 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2021-12-21 17:05:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2021-12-21 17:05:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-21 17:05:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-21 17:05:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-21 17:05:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-21 17:05:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-21 17:05:36,275 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-21 17:05:36,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-21 17:05:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-21 17:05:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-21 17:05:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-21 17:05:36,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-21 17:05:36,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-21 17:05:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 17:05:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-21 17:05:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-21 17:05:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2021-12-21 17:05:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2021-12-21 17:05:36,277 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2021-12-21 17:05:36,277 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2021-12-21 17:05:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-21 17:05:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-21 17:05:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-21 17:05:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-21 17:05:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-21 17:05:36,278 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-21 17:05:36,278 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-21 17:05:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2021-12-21 17:05:36,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2021-12-21 17:05:36,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-21 17:05:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-21 17:05:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-21 17:05:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 17:05:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-21 17:05:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-21 17:05:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2021-12-21 17:05:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2021-12-21 17:05:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-21 17:05:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-21 17:05:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-21 17:05:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-21 17:05:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-21 17:05:36,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-21 17:05:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-21 17:05:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-21 17:05:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-21 17:05:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-21 17:05:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2021-12-21 17:05:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2021-12-21 17:05:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-21 17:05:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-21 17:05:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:05:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-21 17:05:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-21 17:05:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-21 17:05:36,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-21 17:05:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-21 17:05:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-21 17:05:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-21 17:05:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-21 17:05:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-21 17:05:36,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-21 17:05:36,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 17:05:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-21 17:05:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-21 17:05:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-21 17:05:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2021-12-21 17:05:36,285 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2021-12-21 17:05:36,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:05:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-21 17:05:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-21 17:05:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-21 17:05:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-21 17:05:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-21 17:05:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-21 17:05:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-21 17:05:36,286 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2021-12-21 17:05:36,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2021-12-21 17:05:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-21 17:05:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-21 17:05:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-21 17:05:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-21 17:05:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-21 17:05:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-21 17:05:36,287 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-21 17:05:36,287 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-21 17:05:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2021-12-21 17:05:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2021-12-21 17:05:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-21 17:05:36,288 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-21 17:05:36,288 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-21 17:05:36,289 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-21 17:05:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 17:05:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 17:05:36,291 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2021-12-21 17:05:36,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2021-12-21 17:05:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2021-12-21 17:05:36,292 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2021-12-21 17:05:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-21 17:05:36,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-21 17:05:36,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-21 17:05:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-21 17:05:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2021-12-21 17:05:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2021-12-21 17:05:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:05:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-21 17:05:36,297 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-21 17:05:36,297 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-21 17:05:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2021-12-21 17:05:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2021-12-21 17:05:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2021-12-21 17:05:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2021-12-21 17:05:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-21 17:05:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-21 17:05:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-21 17:05:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-21 17:05:36,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-21 17:05:36,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-21 17:05:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-21 17:05:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-21 17:05:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-21 17:05:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-21 17:05:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-21 17:05:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-21 17:05:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2021-12-21 17:05:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2021-12-21 17:05:36,299 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-21 17:05:36,299 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-12-21 17:05:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-21 17:05:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-21 17:05:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2021-12-21 17:05:36,300 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2021-12-21 17:05:36,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-21 17:05:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-21 17:05:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2021-12-21 17:05:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2021-12-21 17:05:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-21 17:05:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-21 17:05:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2021-12-21 17:05:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2021-12-21 17:05:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2021-12-21 17:05:36,301 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2021-12-21 17:05:36,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-21 17:05:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-21 17:05:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-21 17:05:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-21 17:05:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-21 17:05:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-21 17:05:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-21 17:05:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-21 17:05:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-21 17:05:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-21 17:05:36,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-21 17:05:36,302 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2021-12-21 17:05:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2021-12-21 17:05:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2021-12-21 17:05:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2021-12-21 17:05:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-21 17:05:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-21 17:05:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-21 17:05:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-21 17:05:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-21 17:05:36,303 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-21 17:05:36,303 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2021-12-21 17:05:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2021-12-21 17:05:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-21 17:05:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-21 17:05:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2021-12-21 17:05:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2021-12-21 17:05:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 17:05:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-21 17:05:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-21 17:05:36,304 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2021-12-21 17:05:36,304 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2021-12-21 17:05:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-21 17:05:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-21 17:05:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2021-12-21 17:05:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2021-12-21 17:05:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-21 17:05:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-21 17:05:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2021-12-21 17:05:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2021-12-21 17:05:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-21 17:05:36,305 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-21 17:05:36,305 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2021-12-21 17:05:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2021-12-21 17:05:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-21 17:05:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-21 17:05:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-21 17:05:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-21 17:05:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-21 17:05:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-21 17:05:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-21 17:05:36,306 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-21 17:05:36,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 17:05:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2021-12-21 17:05:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2021-12-21 17:05:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-21 17:05:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-21 17:05:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-21 17:05:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-21 17:05:36,307 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2021-12-21 17:05:36,307 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2021-12-21 17:05:36,998 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 17:05:37,000 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 17:05:37,116 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-21 17:06:18,130 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-21 17:06:18,287 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 17:06:18,302 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 17:06:18,302 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 17:06:18,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:06:18 BoogieIcfgContainer [2021-12-21 17:06:18,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 17:06:18,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 17:06:18,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 17:06:18,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 17:06:18,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:05:33" (1/3) ... [2021-12-21 17:06:18,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7725e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:06:18, skipping insertion in model container [2021-12-21 17:06:18,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:05:35" (2/3) ... [2021-12-21 17:06:18,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7725e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:06:18, skipping insertion in model container [2021-12-21 17:06:18,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:06:18" (3/3) ... [2021-12-21 17:06:18,311 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-12-21 17:06:18,314 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 17:06:18,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-21 17:06:18,348 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 17:06:18,352 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 [2021-12-21 17:06:18,352 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 17:06:18,385 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) [2021-12-21 17:06:18,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-21 17:06:18,395 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:06:18,396 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] [2021-12-21 17:06:18,397 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)] === [2021-12-21 17:06:18,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:06:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash -392823862, now seen corresponding path program 1 times [2021-12-21 17:06:18,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:06:18,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592685501] [2021-12-21 17:06:18,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:06:18,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:06:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:06:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:06:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:06:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:06:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:06:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:06:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:06:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:06:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:06:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:06:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:06:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:06:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:06:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:06:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:06:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:06:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:06:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-21 17:06:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:06:19,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:06:19,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592685501] [2021-12-21 17:06:19,462 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592685501] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:06:19,462 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:06:19,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:06:19,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224918761] [2021-12-21 17:06:19,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:06:19,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:06:19,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:06:19,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:06:19,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:06:19,499 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) [2021-12-21 17:06:21,559 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 [] [2021-12-21 17:06:23,845 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:06:34,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-21 17:06:34,338 INFO L93 Difference]: Finished difference Result 5992 states and 8498 transitions. [2021-12-21 17:06:34,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 17:06:34,340 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 200 [2021-12-21 17:06:34,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-21 17:06:34,376 INFO L225 Difference]: With dead ends: 5992 [2021-12-21 17:06:34,376 INFO L226 Difference]: Without dead ends: 3996 [2021-12-21 17:06:34,389 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-21 17:06:34,391 INFO L933 BasicCegarLoop]: 2969 mSDtfsCounter, 3199 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3701 SdHoareTripleChecker+Valid, 6133 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2021-12-21 17:06:34,391 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3701 Valid, 6133 Invalid, 3419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 1810 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2021-12-21 17:06:34,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-12-21 17:06:34,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3912. [2021-12-21 17:06:34,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3912 states, 2630 states have (on average 1.2311787072243345) internal successors, (3238), 2674 states have internal predecessors, (3238), 1070 states have call successors, (1070), 210 states have call predecessors, (1070), 209 states have return successors, (1067), 1059 states have call predecessors, (1067), 1067 states have call successors, (1067) [2021-12-21 17:06:34,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5375 transitions. [2021-12-21 17:06:34,600 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5375 transitions. Word has length 200 [2021-12-21 17:06:34,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-21 17:06:34,603 INFO L470 AbstractCegarLoop]: Abstraction has 3912 states and 5375 transitions. [2021-12-21 17:06:34,603 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-21 17:06:34,603 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5375 transitions. [2021-12-21 17:06:34,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-21 17:06:34,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-21 17:06:34,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 17:06:34,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 17:06:34,616 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_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)] === [2021-12-21 17:06:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 17:06:34,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1161536545, now seen corresponding path program 1 times [2021-12-21 17:06:34,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 17:06:34,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239111487] [2021-12-21 17:06:34,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 17:06:34,617 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 17:06:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-21 17:06:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-21 17:06:35,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-21 17:06:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-21 17:06:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-21 17:06:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-21 17:06:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-21 17:06:35,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-21 17:06:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-21 17:06:35,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-21 17:06:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-21 17:06:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-21 17:06:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-21 17:06:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-21 17:06:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-21 17:06:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-21 17:06:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-21 17:06:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-21 17:06:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-21 17:06:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-21 17:06:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 17:06:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-21 17:06:35,264 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 17:06:35,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239111487] [2021-12-21 17:06:35,265 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239111487] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 17:06:35,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 17:06:35,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-21 17:06:35,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501024568] [2021-12-21 17:06:35,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 17:06:35,269 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-21 17:06:35,269 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 17:06:35,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-21 17:06:35,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-21 17:06:35,270 INFO L87 Difference]: Start difference. First operand 3912 states and 5375 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-21 17:06:37,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-21 17:06:39,565 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 []