./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 04:52:11,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 04:52:11,500 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 04:52:11,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 04:52:11,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 04:52:11,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 04:52:11,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 04:52:11,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 04:52:11,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 04:52:11,565 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 04:52:11,566 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 04:52:11,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 04:52:11,572 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 04:52:11,578 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 04:52:11,579 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 04:52:11,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 04:52:11,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 04:52:11,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 04:52:11,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 04:52:11,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 04:52:11,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 04:52:11,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 04:52:11,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 04:52:11,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 04:52:11,602 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 04:52:11,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 04:52:11,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 04:52:11,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 04:52:11,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 04:52:11,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 04:52:11,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 04:52:11,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 04:52:11,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 04:52:11,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 04:52:11,614 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 04:52:11,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 04:52:11,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 04:52:11,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 04:52:11,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 04:52:11,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 04:52:11,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 04:52:11,619 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 04:52:11,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 04:52:11,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 04:52:11,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 04:52:11,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 04:52:11,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 04:52:11,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 04:52:11,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 04:52:11,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 04:52:11,653 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 04:52:11,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 04:52:11,654 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 04:52:11,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 04:52:11,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 04:52:11,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 04:52:11,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 04:52:11,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 04:52:11,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 04:52:11,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 04:52:11,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 04:52:11,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 04:52:11,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 04:52:11,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:52:11,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 04:52:11,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 04:52:11,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 04:52:11,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 04:52:11,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 04:52:11,657 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 04:52:11,657 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 04:52:11,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 04:52:11,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 04:52:11,657 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbaacac7560cb4317515ea94aeb4341c343c1b3a78ea4f9610ad493958cf26e [2021-12-16 04:52:11,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 04:52:11,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 04:52:11,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 04:52:11,921 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 04:52:11,921 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 04:52:11,922 INFO L432 ainManager$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 [2021-12-16 04:52:11,975 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36bf1cbde/0d270a892ad340ada1509598b5bd53a7/FLAG1fac5a6ab [2021-12-16 04:52:12,770 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 04:52:12,770 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 [2021-12-16 04:52:12,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36bf1cbde/0d270a892ad340ada1509598b5bd53a7/FLAG1fac5a6ab [2021-12-16 04:52:13,293 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36bf1cbde/0d270a892ad340ada1509598b5bd53a7 [2021-12-16 04:52:13,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 04:52:13,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 04:52:13,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 04:52:13,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 04:52:13,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 04:52:13,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:52:13" (1/1) ... [2021-12-16 04:52:13,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d8718f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:13, skipping insertion in model container [2021-12-16 04:52:13,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:52:13" (1/1) ... [2021-12-16 04:52:13,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 04:52:13,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 04:52:16,008 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] [2021-12-16 04:52:16,011 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] [2021-12-16 04:52:16,012 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] [2021-12-16 04:52:16,013 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] [2021-12-16 04:52:16,047 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:52:16,101 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 04:52:16,410 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] [2021-12-16 04:52:16,411 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] [2021-12-16 04:52:16,412 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] [2021-12-16 04:52:16,412 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] [2021-12-16 04:52:16,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 04:52:16,792 INFO L208 MainTranslator]: Completed translation [2021-12-16 04:52:16,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16 WrapperNode [2021-12-16 04:52:16,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 04:52:16,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 04:52:16,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 04:52:16,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 04:52:16,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:16,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,103 INFO L137 Inliner]: procedures = 541, calls = 2423, calls flagged for inlining = 273, calls inlined = 244, statements flattened = 5583 [2021-12-16 04:52:17,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 04:52:17,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 04:52:17,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 04:52:17,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 04:52:17,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,239 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 04:52:17,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 04:52:17,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 04:52:17,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 04:52:17,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (1/1) ... [2021-12-16 04:52:17,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 04:52:17,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 04:52:17,414 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) [2021-12-16 04:52:17,423 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 [2021-12-16 04:52:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2021-12-16 04:52:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2021-12-16 04:52:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-16 04:52:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-16 04:52:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-16 04:52:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-16 04:52:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-16 04:52:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-16 04:52:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 04:52:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 04:52:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2021-12-16 04:52:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2021-12-16 04:52:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:52:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-16 04:52:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure cp_poll_controller [2021-12-16 04:52:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_poll_controller [2021-12-16 04:52:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 04:52:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 04:52:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 04:52:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 04:52:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings [2021-12-16 04:52:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings [2021-12-16 04:52:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 04:52:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 04:52:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-16 04:52:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-16 04:52:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-16 04:52:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-16 04:52:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 04:52:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 04:52:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 04:52:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-16 04:52:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-16 04:52:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-16 04:52:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 04:52:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 04:52:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 04:52:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rxbufsize [2021-12-16 04:52:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rxbufsize [2021-12-16 04:52:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd [2021-12-16 04:52:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd [2021-12-16 04:52:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 04:52:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 04:52:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-16 04:52:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-16 04:52:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 04:52:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 04:52:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 04:52:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_109 [2021-12-16 04:52:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_109 [2021-12-16 04:52:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 04:52:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-16 04:52:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-16 04:52:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 04:52:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 04:52:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 04:52:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_rings_index [2021-12-16 04:52:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_rings_index [2021-12-16 04:52:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 04:52:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 04:52:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-16 04:52:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-16 04:52:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-16 04:52:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-16 04:52:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-16 04:52:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-16 04:52:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-16 04:52:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-16 04:52:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure cp_set_rx_mode [2021-12-16 04:52:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_set_rx_mode [2021-12-16 04:52:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 04:52:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 04:52:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:52:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-16 04:52:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 04:52:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-16 04:52:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_cp_private [2021-12-16 04:52:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-16 04:52:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-16 04:52:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-16 04:52:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-16 04:52:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-16 04:52:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-16 04:52:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 04:52:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-16 04:52:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-16 04:52:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 04:52:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure write_eeprom [2021-12-16 04:52:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure write_eeprom [2021-12-16 04:52:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:52:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-16 04:52:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-16 04:52:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-16 04:52:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-16 04:52:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-16 04:52:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 04:52:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 04:52:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_regs_len [2021-12-16 04:52:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_regs_len [2021-12-16 04:52:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-16 04:52:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-16 04:52:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-16 04:52:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-16 04:52:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 04:52:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 04:52:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 04:52:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 04:52:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure cp_start_hw [2021-12-16 04:52:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_start_hw [2021-12-16 04:52:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-16 04:52:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-16 04:52:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-12-16 04:52:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-12-16 04:52:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 04:52:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 04:52:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure cp_free_rings [2021-12-16 04:52:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_free_rings [2021-12-16 04:52:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure cp_stop_hw [2021-12-16 04:52:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_stop_hw [2021-12-16 04:52:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 04:52:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 04:52:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-16 04:52:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-16 04:52:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure cp_get_eeprom_len [2021-12-16 04:52:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_get_eeprom_len [2021-12-16 04:52:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:52:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-16 04:52:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 04:52:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 04:52:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_reset_queue [2021-12-16 04:52:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_reset_queue [2021-12-16 04:52:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure cp_nway_reset [2021-12-16 04:52:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_nway_reset [2021-12-16 04:52:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-16 04:52:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-16 04:52:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 04:52:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 04:52:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-16 04:52:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-16 04:52:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-16 04:52:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-16 04:52:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-16 04:52:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-16 04:52:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-16 04:52:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-16 04:52:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure cp_resume [2021-12-16 04:52:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_resume [2021-12-16 04:52:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 04:52:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 04:52:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure read_eeprom [2021-12-16 04:52:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure read_eeprom [2021-12-16 04:52:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-16 04:52:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-16 04:52:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 04:52:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 04:52:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 04:52:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 04:52:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure cp_enable_irq [2021-12-16 04:52:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_enable_irq [2021-12-16 04:52:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-16 04:52:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-16 04:52:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_cp_private [2021-12-16 04:52:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_cp_private [2021-12-16 04:52:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-16 04:52:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-16 04:52:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __cp_set_rx_mode [2021-12-16 04:52:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __cp_set_rx_mode [2021-12-16 04:52:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure cp_clean_rings [2021-12-16 04:52:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_clean_rings [2021-12-16 04:52:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 04:52:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-16 04:52:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-16 04:52:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 04:52:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 04:52:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-16 04:52:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-16 04:52:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 04:52:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 04:52:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-16 04:52:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-16 04:52:17,487 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_end [2021-12-16 04:52:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_end [2021-12-16 04:52:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_108 [2021-12-16 04:52:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_108 [2021-12-16 04:52:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-16 04:52:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-16 04:52:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-16 04:52:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-16 04:52:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 04:52:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 04:52:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure cp_close [2021-12-16 04:52:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_close [2021-12-16 04:52:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 04:52:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 04:52:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure cp_open [2021-12-16 04:52:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_open [2021-12-16 04:52:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 04:52:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 04:52:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 04:52:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure cp_tx_timeout [2021-12-16 04:52:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_tx_timeout [2021-12-16 04:52:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 04:52:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 04:52:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_cmd_start [2021-12-16 04:52:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_cmd_start [2021-12-16 04:52:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-16 04:52:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-16 04:52:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure cp_init_hw [2021-12-16 04:52:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_init_hw [2021-12-16 04:52:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-16 04:52:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-16 04:52:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_extend_cmd [2021-12-16 04:52:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_extend_cmd [2021-12-16 04:52:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 04:52:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 04:52:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-12-16 04:52:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-12-16 04:52:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-16 04:52:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-16 04:52:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-16 04:52:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-16 04:52:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 04:52:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure cp_interrupt [2021-12-16 04:52:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_interrupt [2021-12-16 04:52:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 04:52:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 04:52:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-16 04:52:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-16 04:52:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure cp_remove_one [2021-12-16 04:52:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cp_remove_one [2021-12-16 04:52:18,448 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 04:52:18,452 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 04:52:18,664 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-16 04:52:58,598 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-16 04:52:58,829 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 04:52:58,847 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 04:52:58,847 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 04:52:58,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:52:58 BoogieIcfgContainer [2021-12-16 04:52:58,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 04:52:58,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 04:52:58,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 04:52:58,858 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 04:52:58,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:52:13" (1/3) ... [2021-12-16 04:52:58,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb61ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:52:58, skipping insertion in model container [2021-12-16 04:52:58,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:52:16" (2/3) ... [2021-12-16 04:52:58,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb61ecd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:52:58, skipping insertion in model container [2021-12-16 04:52:58,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:52:58" (3/3) ... [2021-12-16 04:52:58,861 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-realtek-8139cp.cil.i [2021-12-16 04:52:58,866 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 04:52:58,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-16 04:52:58,928 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 04:52:58,938 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 [2021-12-16 04:52:58,939 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-16 04:52:59,012 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) [2021-12-16 04:52:59,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-16 04:52:59,024 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:52:59,025 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] [2021-12-16 04:52:59,025 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)] === [2021-12-16 04:52:59,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:52:59,030 INFO L85 PathProgramCache]: Analyzing trace with hash -392823862, now seen corresponding path program 1 times [2021-12-16 04:52:59,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:52:59,038 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685390789] [2021-12-16 04:52:59,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:52:59,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:52:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-16 04:53:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-16 04:53:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 04:53:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-16 04:53:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-16 04:53:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-16 04:53:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-16 04:53:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-16 04:53:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-16 04:53:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-16 04:53:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-16 04:53:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-16 04:53:00,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-16 04:53:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-16 04:53:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-16 04:53:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-16 04:53:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 04:53:00,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-16 04:53:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-16 04:53:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 04:53:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-16 04:53:00,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 04:53:00,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685390789] [2021-12-16 04:53:00,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685390789] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 04:53:00,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 04:53:00,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 04:53:00,471 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205718729] [2021-12-16 04:53:00,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 04:53:00,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 04:53:00,476 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 04:53:00,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 04:53:00,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 04:53:00,505 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) [2021-12-16 04:53:02,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:53:04,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-16 04:53:17,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 04:53:17,285 INFO L93 Difference]: Finished difference Result 5992 states and 8498 transitions. [2021-12-16 04:53:17,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 04:53:17,287 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 [2021-12-16 04:53:17,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 04:53:17,336 INFO L225 Difference]: With dead ends: 5992 [2021-12-16 04:53:17,336 INFO L226 Difference]: Without dead ends: 3996 [2021-12-16 04:53:17,352 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 [2021-12-16 04:53:17,355 INFO L933 BasicCegarLoop]: 2968 mSDtfsCounter, 3199 mSDsluCounter, 3162 mSDsCounter, 0 mSdLazyCounter, 1810 mSolverCounterSat, 1607 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3701 SdHoareTripleChecker+Valid, 6130 SdHoareTripleChecker+Invalid, 3419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 1810 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-16 04:53:17,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3701 Valid, 6130 Invalid, 3419 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1607 Valid, 1810 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2021-12-16 04:53:17,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-12-16 04:53:17,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3912. [2021-12-16 04:53:17,615 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) [2021-12-16 04:53:17,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3912 states to 3912 states and 5375 transitions. [2021-12-16 04:53:17,648 INFO L78 Accepts]: Start accepts. Automaton has 3912 states and 5375 transitions. Word has length 200 [2021-12-16 04:53:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 04:53:17,651 INFO L470 AbstractCegarLoop]: Abstraction has 3912 states and 5375 transitions. [2021-12-16 04:53:17,651 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) [2021-12-16 04:53:17,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3912 states and 5375 transitions. [2021-12-16 04:53:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2021-12-16 04:53:17,663 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 04:53:17,663 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] [2021-12-16 04:53:17,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 04:53:17,664 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)] === [2021-12-16 04:53:17,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 04:53:17,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1161536545, now seen corresponding path program 1 times [2021-12-16 04:53:17,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 04:53:17,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017099698] [2021-12-16 04:53:17,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 04:53:17,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 04:53:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat