./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-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:39:22,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:39:22,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:39:22,968 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:39:22,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:39:22,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:39:22,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:39:22,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:39:22,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:39:22,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:39:22,983 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:39:22,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:39:22,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:39:22,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:39:22,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:39:22,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:39:22,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:39:22,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:39:22,998 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:39:23,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:39:23,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:39:23,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:39:23,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:39:23,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:39:23,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:39:23,012 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:39:23,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:39:23,013 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:39:23,014 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:39:23,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:39:23,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:39:23,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:39:23,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:39:23,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:39:23,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:39:23,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:39:23,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:39:23,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:39:23,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:39:23,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:39:23,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:39:23,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:39:23,055 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:39:23,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:39:23,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:39:23,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:39:23,057 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:39:23,058 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:39:23,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:39:23,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:39:23,059 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:39:23,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:39:23,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:39:23,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:39:23,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:39:23,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:39:23,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:39:23,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:39:23,061 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:39:23,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:39:23,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:39:23,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:39:23,062 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:39:23,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:39:23,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:39:23,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:39:23,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:39:23,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:39:23,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:39:23,064 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:39:23,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:39:23,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:39:23,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:39:23,065 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2021-12-14 18:39:23,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:39:23,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:39:23,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:39:23,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:39:23,300 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:39:23,301 INFO L432 ainManager$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-wireless-prism54-prism54.cil.i [2021-12-14 18:39:23,355 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fefce466b/ad83a538f38c4aa5a894dfaa826d75ec/FLAGd932e7911 [2021-12-14 18:39:24,183 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:39:24,184 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-wireless-prism54-prism54.cil.i [2021-12-14 18:39:24,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fefce466b/ad83a538f38c4aa5a894dfaa826d75ec/FLAGd932e7911 [2021-12-14 18:39:24,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fefce466b/ad83a538f38c4aa5a894dfaa826d75ec [2021-12-14 18:39:24,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:39:24,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:39:24,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:39:24,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:39:24,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:39:24,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:24" (1/1) ... [2021-12-14 18:39:24,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747c00af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:24, skipping insertion in model container [2021-12-14 18:39:24,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:24" (1/1) ... [2021-12-14 18:39:24,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:39:24,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:39:28,316 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-wireless-prism54-prism54.cil.i[482333,482346] [2021-12-14 18:39:28,318 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-wireless-prism54-prism54.cil.i[482502,482515] [2021-12-14 18:39:28,319 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-wireless-prism54-prism54.cil.i[482669,482682] [2021-12-14 18:39:28,322 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-wireless-prism54-prism54.cil.i[482837,482850] [2021-12-14 18:39:28,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:39:28,455 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:39:28,836 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-wireless-prism54-prism54.cil.i[482333,482346] [2021-12-14 18:39:28,837 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-wireless-prism54-prism54.cil.i[482502,482515] [2021-12-14 18:39:28,837 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-wireless-prism54-prism54.cil.i[482669,482682] [2021-12-14 18:39:28,838 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-wireless-prism54-prism54.cil.i[482837,482850] [2021-12-14 18:39:28,872 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:39:29,096 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:39:29,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29 WrapperNode [2021-12-14 18:39:29,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:39:29,098 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:39:29,098 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:39:29,098 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:39:29,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,264 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,617 INFO L137 Inliner]: procedures = 578, calls = 6324, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8682 [2021-12-14 18:39:29,618 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:39:29,619 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:39:29,619 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:39:29,619 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:39:29,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:29,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:30,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:39:30,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:39:30,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:39:30,002 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:39:30,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (1/1) ... [2021-12-14 18:39:30,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:39:30,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:39:30,030 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:39:30,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:39:30,066 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2021-12-14 18:39:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2021-12-14 18:39:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2021-12-14 18:39:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2021-12-14 18:39:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-14 18:39:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-14 18:39:30,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-14 18:39:30,067 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:39:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:39:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2021-12-14 18:39:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2021-12-14 18:39:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-14 18:39:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-14 18:39:30,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:39:30,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:39:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2021-12-14 18:39:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2021-12-14 18:39:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2021-12-14 18:39:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2021-12-14 18:39:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:39:30,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-14 18:39:30,069 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 18:39:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 18:39:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 18:39:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 18:39:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2021-12-14 18:39:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2021-12-14 18:39:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2021-12-14 18:39:30,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2021-12-14 18:39:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2021-12-14 18:39:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2021-12-14 18:39:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2021-12-14 18:39:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2021-12-14 18:39:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-14 18:39:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2021-12-14 18:39:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2021-12-14 18:39:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 18:39:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 18:39:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-14 18:39:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-14 18:39:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-14 18:39:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-14 18:39:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 18:39:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-14 18:39:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2021-12-14 18:39:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2021-12-14 18:39:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:39:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:39:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 18:39:30,074 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 18:39:30,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:39:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2021-12-14 18:39:30,075 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2021-12-14 18:39:30,076 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:39:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:39:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:39:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:39:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2021-12-14 18:39:30,077 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2021-12-14 18:39:30,077 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2021-12-14 18:39:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2021-12-14 18:39:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 18:39:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 18:39:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:39:30,078 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2021-12-14 18:39:30,078 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2021-12-14 18:39:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 18:39:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 18:39:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-14 18:39:30,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-14 18:39:30,079 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2021-12-14 18:39:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2021-12-14 18:39:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:39:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-14 18:39:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-14 18:39:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:39:30,080 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 18:39:30,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 18:39:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 18:39:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 18:39:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-14 18:39:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-14 18:39:30,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-14 18:39:30,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-14 18:39:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2021-12-14 18:39:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2021-12-14 18:39:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2021-12-14 18:39:30,082 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2021-12-14 18:39:30,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 18:39:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 18:39:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:39:30,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-14 18:39:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:39:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-14 18:39:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-14 18:39:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-14 18:39:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-14 18:39:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-14 18:39:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-14 18:39:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:39:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:39:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:39:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-14 18:39:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-14 18:39:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 18:39:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 18:39:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:39:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 18:39:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:39:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:39:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:39:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:39:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-14 18:39:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-14 18:39:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 18:39:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 18:39:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 18:39:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 18:39:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-14 18:39:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-14 18:39:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-14 18:39:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-14 18:39:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:39:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:39:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-14 18:39:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-14 18:39:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 18:39:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 18:39:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-14 18:39:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2021-12-14 18:39:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2021-12-14 18:39:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2021-12-14 18:39:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-14 18:39:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-14 18:39:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:39:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:39:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-14 18:39:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-14 18:39:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-14 18:39:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-14 18:39:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-14 18:39:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-14 18:39:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2021-12-14 18:39:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2021-12-14 18:39:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2021-12-14 18:39:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2021-12-14 18:39:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:39:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:39:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:39:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:39:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:39:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-14 18:39:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-14 18:39:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-14 18:39:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 18:39:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 18:39:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2021-12-14 18:39:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2021-12-14 18:39:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2021-12-14 18:39:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2021-12-14 18:39:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2021-12-14 18:39:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2021-12-14 18:39:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 18:39:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 18:39:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 18:39:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 18:39:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:39:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:39:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-14 18:39:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-14 18:39:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 18:39:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 18:39:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 18:39:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 18:39:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-14 18:39:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-14 18:39:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:39:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:39:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:39:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2021-12-14 18:39:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2021-12-14 18:39:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-14 18:39:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-14 18:39:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:39:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2021-12-14 18:39:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2021-12-14 18:39:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:39:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:39:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-14 18:39:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-14 18:39:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:39:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2021-12-14 18:39:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2021-12-14 18:39:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-14 18:39:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-14 18:39:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2021-12-14 18:39:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2021-12-14 18:39:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-14 18:39:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-14 18:39:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-14 18:39:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-14 18:39:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-14 18:39:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-14 18:39:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 18:39:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 18:39:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2021-12-14 18:39:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2021-12-14 18:39:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2021-12-14 18:39:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2021-12-14 18:39:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-14 18:39:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-14 18:39:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 18:39:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 18:39:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-14 18:39:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-14 18:39:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-14 18:39:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-14 18:39:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-14 18:39:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-14 18:39:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2021-12-14 18:39:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2021-12-14 18:39:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 18:39:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 18:39:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-14 18:39:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-14 18:39:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 18:39:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 18:39:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2021-12-14 18:39:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2021-12-14 18:39:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2021-12-14 18:39:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2021-12-14 18:39:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2021-12-14 18:39:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2021-12-14 18:39:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:39:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:39:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2021-12-14 18:39:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2021-12-14 18:39:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:39:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-12-14 18:39:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-12-14 18:39:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-14 18:39:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-14 18:39:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:39:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:39:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2021-12-14 18:39:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2021-12-14 18:39:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2021-12-14 18:39:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2021-12-14 18:39:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 18:39:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 18:39:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2021-12-14 18:39:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2021-12-14 18:39:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2021-12-14 18:39:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2021-12-14 18:39:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-14 18:39:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-14 18:39:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-14 18:39:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-14 18:39:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-14 18:39:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-14 18:39:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2021-12-14 18:39:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2021-12-14 18:39:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2021-12-14 18:39:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2021-12-14 18:39:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-14 18:39:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-14 18:39:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-14 18:39:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-14 18:39:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:39:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 18:39:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 18:39:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-14 18:39:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-14 18:39:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2021-12-14 18:39:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2021-12-14 18:39:31,205 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:39:31,211 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:39:31,505 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:39:37,344 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-14 18:39:37,528 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:39:37,543 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:39:37,543 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-14 18:39:37,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:37 BoogieIcfgContainer [2021-12-14 18:39:37,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:39:37,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:39:37,549 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:39:37,551 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:39:37,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:39:24" (1/3) ... [2021-12-14 18:39:37,552 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9727f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:37, skipping insertion in model container [2021-12-14 18:39:37,552 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:29" (2/3) ... [2021-12-14 18:39:37,553 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9727f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:37, skipping insertion in model container [2021-12-14 18:39:37,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:37" (3/3) ... [2021-12-14 18:39:37,554 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2021-12-14 18:39:37,557 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:39:37,558 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-14 18:39:37,611 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:39:37,617 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:39:37,617 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-14 18:39:37,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) [2021-12-14 18:39:37,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-14 18:39:37,686 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:39:37,687 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:39:37,688 INFO L402 AbstractCegarLoop]: === Iteration 1 === 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)] === [2021-12-14 18:39:37,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:39:37,691 INFO L85 PathProgramCache]: Analyzing trace with hash 2143999495, now seen corresponding path program 1 times [2021-12-14 18:39:37,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:39:37,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257574559] [2021-12-14 18:39:37,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:39:37,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:39:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:39:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:39:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:39:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:39:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:39:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:39:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:39:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 18:39:38,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:39:38,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257574559] [2021-12-14 18:39:38,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257574559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:39:38,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:39:38,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:39:38,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248962575] [2021-12-14 18:39:38,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:39:38,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:39:38,736 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:39:38,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:39:38,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:39:38,763 INFO L87 Difference]: Start difference. First operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 18:39:43,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:39:43,653 INFO L93 Difference]: Finished difference Result 6977 states and 10139 transitions. [2021-12-14 18:39:43,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:39:43,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2021-12-14 18:39:43,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:39:43,711 INFO L225 Difference]: With dead ends: 6977 [2021-12-14 18:39:43,712 INFO L226 Difference]: Without dead ends: 4575 [2021-12-14 18:39:43,734 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:39:43,738 INFO L933 BasicCegarLoop]: 3592 mSDtfsCounter, 3756 mSDsluCounter, 3963 mSDsCounter, 0 mSdLazyCounter, 1985 mSolverCounterSat, 1610 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 7555 SdHoareTripleChecker+Invalid, 3595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1610 IncrementalHoareTripleChecker+Valid, 1985 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-12-14 18:39:43,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4195 Valid, 7555 Invalid, 3595 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1610 Valid, 1985 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-12-14 18:39:43,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4575 states. [2021-12-14 18:39:43,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4575 to 4374. [2021-12-14 18:39:43,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4374 states, 3014 states have (on average 1.265759787657598) internal successors, (3815), 3114 states have internal predecessors, (3815), 1113 states have call successors, (1113), 245 states have call predecessors, (1113), 244 states have return successors, (1113), 1064 states have call predecessors, (1113), 1109 states have call successors, (1113) [2021-12-14 18:39:44,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 4374 states and 6041 transitions. [2021-12-14 18:39:44,031 INFO L78 Accepts]: Start accepts. Automaton has 4374 states and 6041 transitions. Word has length 89 [2021-12-14 18:39:44,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:39:44,032 INFO L470 AbstractCegarLoop]: Abstraction has 4374 states and 6041 transitions. [2021-12-14 18:39:44,032 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-14 18:39:44,033 INFO L276 IsEmpty]: Start isEmpty. Operand 4374 states and 6041 transitions. [2021-12-14 18:39:44,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-12-14 18:39:44,038 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:39:44,039 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:39:44,039 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:39:44,039 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:39:44,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:39:44,040 INFO L85 PathProgramCache]: Analyzing trace with hash -926596189, now seen corresponding path program 1 times [2021-12-14 18:39:44,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:39:44,041 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456520056] [2021-12-14 18:39:44,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:39:44,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:39:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:39:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:39:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:39:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:39:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:39:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:39:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:39:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-14 18:39:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:44,629 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 18:39:44,630 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:39:44,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456520056] [2021-12-14 18:39:44,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456520056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:39:44,634 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:39:44,634 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:39:44,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612215727] [2021-12-14 18:39:44,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:39:44,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:39:44,636 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:39:44,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:39:44,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:39:44,637 INFO L87 Difference]: Start difference. First operand 4374 states and 6041 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:39:49,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:39:49,638 INFO L93 Difference]: Finished difference Result 13261 states and 18438 transitions. [2021-12-14 18:39:49,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:39:49,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2021-12-14 18:39:49,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:39:49,708 INFO L225 Difference]: With dead ends: 13261 [2021-12-14 18:39:49,708 INFO L226 Difference]: Without dead ends: 8904 [2021-12-14 18:39:49,738 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:39:49,739 INFO L933 BasicCegarLoop]: 3636 mSDtfsCounter, 4120 mSDsluCounter, 3912 mSDsCounter, 0 mSdLazyCounter, 2057 mSolverCounterSat, 1646 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4624 SdHoareTripleChecker+Valid, 7548 SdHoareTripleChecker+Invalid, 3703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1646 IncrementalHoareTripleChecker+Valid, 2057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-14 18:39:49,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4624 Valid, 7548 Invalid, 3703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1646 Valid, 2057 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2021-12-14 18:39:49,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8904 states. [2021-12-14 18:39:50,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8904 to 8552. [2021-12-14 18:39:50,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8552 states, 5893 states have (on average 1.2655693195316478) internal successors, (7458), 6085 states have internal predecessors, (7458), 2171 states have call successors, (2171), 486 states have call predecessors, (2171), 485 states have return successors, (2175), 2080 states have call predecessors, (2175), 2167 states have call successors, (2175) [2021-12-14 18:39:50,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 11804 transitions. [2021-12-14 18:39:50,115 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 11804 transitions. Word has length 94 [2021-12-14 18:39:50,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:39:50,118 INFO L470 AbstractCegarLoop]: Abstraction has 8552 states and 11804 transitions. [2021-12-14 18:39:50,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:39:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 11804 transitions. [2021-12-14 18:39:50,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-12-14 18:39:50,121 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:39:50,122 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:39:50,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:39:50,122 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-12-14 18:39:50,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:39:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash 463962046, now seen corresponding path program 1 times [2021-12-14 18:39:50,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:39:50,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243640045] [2021-12-14 18:39:50,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:39:50,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:39:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:39:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:39:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:39:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:50,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:39:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:39:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:39:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:39:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-14 18:39:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:50,742 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2021-12-14 18:39:50,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:39:50,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243640045] [2021-12-14 18:39:50,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243640045] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:39:50,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:39:50,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 18:39:50,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752494030] [2021-12-14 18:39:50,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:39:50,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 18:39:50,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:39:50,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 18:39:50,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 18:39:50,747 INFO L87 Difference]: Start difference. First operand 8552 states and 11804 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:39:55,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:39:55,528 INFO L93 Difference]: Finished difference Result 25628 states and 35580 transitions. [2021-12-14 18:39:55,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:39:55,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 99 [2021-12-14 18:39:55,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:39:55,643 INFO L225 Difference]: With dead ends: 25628 [2021-12-14 18:39:55,643 INFO L226 Difference]: Without dead ends: 17093 [2021-12-14 18:39:55,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:39:55,699 INFO L933 BasicCegarLoop]: 3617 mSDtfsCounter, 3962 mSDsluCounter, 3927 mSDsCounter, 0 mSdLazyCounter, 2024 mSolverCounterSat, 1663 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4440 SdHoareTripleChecker+Valid, 7544 SdHoareTripleChecker+Invalid, 3687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1663 IncrementalHoareTripleChecker+Valid, 2024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-14 18:39:55,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4440 Valid, 7544 Invalid, 3687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1663 Valid, 2024 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-14 18:39:55,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17093 states. [2021-12-14 18:39:56,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17093 to 16362. [2021-12-14 18:39:56,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11265 states have (on average 1.265335108743897) internal successors, (14254), 11645 states have internal predecessors, (14254), 4147 states have call successors, (4147), 956 states have call predecessors, (4147), 947 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-14 18:39:56,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22556 transitions. [2021-12-14 18:39:56,491 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22556 transitions. Word has length 99 [2021-12-14 18:39:56,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:39:56,491 INFO L470 AbstractCegarLoop]: Abstraction has 16362 states and 22556 transitions. [2021-12-14 18:39:56,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-14 18:39:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22556 transitions. [2021-12-14 18:39:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-14 18:39:56,499 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:39:56,499 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-14 18:39:56,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:39:56,499 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:39:56,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:39:56,500 INFO L85 PathProgramCache]: Analyzing trace with hash 836421759, now seen corresponding path program 1 times [2021-12-14 18:39:56,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:39:56,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011866451] [2021-12-14 18:39:56,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:39:56,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:39:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:39:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:39:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:39:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:39:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:39:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:39:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:39:57,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 18:39:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:39:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:39:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:39:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:39:57,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:39:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:39:57,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 18:39:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:39:57,293 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-14 18:39:57,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:39:57,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011866451] [2021-12-14 18:39:57,294 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011866451] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:39:57,294 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:39:57,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:39:57,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948333240] [2021-12-14 18:39:57,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:39:57,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:39:57,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:39:57,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:39:57,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:39:57,296 INFO L87 Difference]: Start difference. First operand 16362 states and 22556 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:40:00,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:40:00,807 INFO L93 Difference]: Finished difference Result 17062 states and 23739 transitions. [2021-12-14 18:40:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:40:00,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2021-12-14 18:40:00,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:40:00,901 INFO L225 Difference]: With dead ends: 17062 [2021-12-14 18:40:00,902 INFO L226 Difference]: Without dead ends: 17060 [2021-12-14 18:40:00,920 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:40:00,923 INFO L933 BasicCegarLoop]: 3149 mSDtfsCounter, 3432 mSDsluCounter, 6431 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 1079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3809 SdHoareTripleChecker+Valid, 9580 SdHoareTripleChecker+Invalid, 3381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1079 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:40:00,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3809 Valid, 9580 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1079 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-14 18:40:00,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17060 states. [2021-12-14 18:40:01,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17060 to 16366. [2021-12-14 18:40:01,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16366 states, 11268 states have (on average 1.2652644657436989) internal successors, (14257), 11648 states have internal predecessors, (14257), 4147 states have call successors, (4147), 957 states have call predecessors, (4147), 948 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-14 18:40:01,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16366 states to 16366 states and 22559 transitions. [2021-12-14 18:40:01,680 INFO L78 Accepts]: Start accepts. Automaton has 16366 states and 22559 transitions. Word has length 166 [2021-12-14 18:40:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:40:01,681 INFO L470 AbstractCegarLoop]: Abstraction has 16366 states and 22559 transitions. [2021-12-14 18:40:01,682 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-14 18:40:01,682 INFO L276 IsEmpty]: Start isEmpty. Operand 16366 states and 22559 transitions. [2021-12-14 18:40:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-14 18:40:01,689 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:40:01,690 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-14 18:40:01,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-14 18:40:01,690 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:40:01,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:40:01,691 INFO L85 PathProgramCache]: Analyzing trace with hash 449362951, now seen corresponding path program 1 times [2021-12-14 18:40:01,691 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:40:01,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076654093] [2021-12-14 18:40:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:40:01,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:40:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:40:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:40:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:40:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:40:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:40:02,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:40:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:40:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 18:40:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:40:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:40:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:40:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:40:02,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:40:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 18:40:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:40:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:02,481 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2021-12-14 18:40:02,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:40:02,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076654093] [2021-12-14 18:40:02,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076654093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:40:02,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:40:02,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:40:02,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279956816] [2021-12-14 18:40:02,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:40:02,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:40:02,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:40:02,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:40:02,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:40:02,484 INFO L87 Difference]: Start difference. First operand 16366 states and 22559 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 18:40:05,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:40:05,870 INFO L93 Difference]: Finished difference Result 17066 states and 23742 transitions. [2021-12-14 18:40:05,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:40:05,871 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-12-14 18:40:05,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:40:05,940 INFO L225 Difference]: With dead ends: 17066 [2021-12-14 18:40:05,941 INFO L226 Difference]: Without dead ends: 17064 [2021-12-14 18:40:05,954 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:40:05,955 INFO L933 BasicCegarLoop]: 3148 mSDtfsCounter, 3428 mSDsluCounter, 6423 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 1079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3805 SdHoareTripleChecker+Valid, 9571 SdHoareTripleChecker+Invalid, 3378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1079 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2021-12-14 18:40:05,955 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3805 Valid, 9571 Invalid, 3378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1079 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2021-12-14 18:40:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17064 states. [2021-12-14 18:40:06,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17064 to 16370. [2021-12-14 18:40:06,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16370 states, 11271 states have (on average 1.2651938603495696) internal successors, (14260), 11651 states have internal predecessors, (14260), 4147 states have call successors, (4147), 958 states have call predecessors, (4147), 949 states have return successors, (4155), 3948 states have call predecessors, (4155), 4143 states have call successors, (4155) [2021-12-14 18:40:06,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16370 states to 16370 states and 22562 transitions. [2021-12-14 18:40:06,590 INFO L78 Accepts]: Start accepts. Automaton has 16370 states and 22562 transitions. Word has length 171 [2021-12-14 18:40:06,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:40:06,591 INFO L470 AbstractCegarLoop]: Abstraction has 16370 states and 22562 transitions. [2021-12-14 18:40:06,591 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-14 18:40:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 16370 states and 22562 transitions. [2021-12-14 18:40:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2021-12-14 18:40:06,600 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:40:06,600 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-12-14 18:40:06,600 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-14 18:40:06,601 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-14 18:40:06,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:40:06,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1338692927, now seen corresponding path program 1 times [2021-12-14 18:40:06,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:40:06,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490589360] [2021-12-14 18:40:06,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:40:06,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:40:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-14 18:40:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-14 18:40:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 18:40:07,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-14 18:40:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:07,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-14 18:40:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-14 18:40:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-14 18:40:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-14 18:40:07,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-14 18:40:07,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:40:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-14 18:40:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:40:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-14 18:40:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-12-14 18:40:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-14 18:40:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:40:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-14 18:40:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:40:07,357 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2021-12-14 18:40:07,357 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:40:07,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490589360] [2021-12-14 18:40:07,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490589360] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:40:07,357 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:40:07,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:40:07,358 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996060438] [2021-12-14 18:40:07,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:40:07,358 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:40:07,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:40:07,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:40:07,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:40:07,359 INFO L87 Difference]: Start difference. First operand 16370 states and 22562 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-14 18:40:10,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:40:10,518 INFO L93 Difference]: Finished difference Result 17070 states and 23745 transitions. [2021-12-14 18:40:10,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-14 18:40:10,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2021-12-14 18:40:10,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:40:10,604 INFO L225 Difference]: With dead ends: 17070 [2021-12-14 18:40:10,604 INFO L226 Difference]: Without dead ends: 17068 [2021-12-14 18:40:10,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:40:10,622 INFO L933 BasicCegarLoop]: 3153 mSDtfsCounter, 3423 mSDsluCounter, 6432 mSDsCounter, 0 mSdLazyCounter, 2302 mSolverCounterSat, 1075 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3801 SdHoareTripleChecker+Valid, 9585 SdHoareTripleChecker+Invalid, 3377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1075 IncrementalHoareTripleChecker+Valid, 2302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-14 18:40:10,622 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3801 Valid, 9585 Invalid, 3377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1075 Valid, 2302 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-14 18:40:10,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17068 states.