./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.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 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 11:23:23,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 11:23:23,739 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 11:23:23,783 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 11:23:23,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 11:23:23,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 11:23:23,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 11:23:23,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 11:23:23,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 11:23:23,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 11:23:23,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 11:23:23,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 11:23:23,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 11:23:23,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 11:23:23,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 11:23:23,807 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 11:23:23,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 11:23:23,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 11:23:23,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 11:23:23,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 11:23:23,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 11:23:23,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 11:23:23,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 11:23:23,822 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 11:23:23,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 11:23:23,828 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 11:23:23,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 11:23:23,830 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 11:23:23,830 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 11:23:23,831 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 11:23:23,831 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 11:23:23,832 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 11:23:23,833 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 11:23:23,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 11:23:23,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 11:23:23,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 11:23:23,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 11:23:23,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 11:23:23,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 11:23:23,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 11:23:23,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 11:23:23,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 11:23:23,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 11:23:23,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 11:23:23,878 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 11:23:23,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 11:23:23,879 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 11:23:23,879 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 11:23:23,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 11:23:23,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 11:23:23,880 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 11:23:23,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 11:23:23,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 11:23:23,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 11:23:23,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 11:23:23,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 11:23:23,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 11:23:23,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 11:23:23,882 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 11:23:23,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 11:23:23,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 11:23:23,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 11:23:23,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 11:23:23,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:23:23,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 11:23:23,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 11:23:23,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 11:23:23,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 11:23:23,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 11:23:23,884 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 11:23:23,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 11:23:23,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 11:23:23,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 11:23:23,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4af2b63cb658684b275f973912d230c1de920b96df7c9dce7307be2f1a002ee6 [2021-11-17 11:23:24,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 11:23:24,223 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 11:23:24,226 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 11:23:24,227 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 11:23:24,231 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 11:23:24,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-17 11:23:24,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1c516a9/694474ceb5994b53b0e3bc872769c662/FLAG1ab9a3ef4 [2021-11-17 11:23:25,405 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 11:23:25,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-17 11:23:25,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1c516a9/694474ceb5994b53b0e3bc872769c662/FLAG1ab9a3ef4 [2021-11-17 11:23:25,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb1c516a9/694474ceb5994b53b0e3bc872769c662 [2021-11-17 11:23:25,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 11:23:25,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 11:23:25,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 11:23:25,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 11:23:25,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 11:23:25,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:23:25" (1/1) ... [2021-11-17 11:23:25,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42e7630a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:25, skipping insertion in model container [2021-11-17 11:23:25,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 11:23:25" (1/1) ... [2021-11-17 11:23:25,670 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 11:23:25,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 11:23:36,197 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2021-11-17 11:23:36,200 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2021-11-17 11:23:36,200 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2021-11-17 11:23:36,201 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2021-11-17 11:23:36,279 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:23:36,415 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 11:23:37,147 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[933999,934012] [2021-11-17 11:23:37,148 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934168,934181] [2021-11-17 11:23:37,149 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934335,934348] [2021-11-17 11:23:37,149 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i[934503,934516] [2021-11-17 11:23:37,155 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 11:23:37,469 INFO L208 MainTranslator]: Completed translation [2021-11-17 11:23:37,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37 WrapperNode [2021-11-17 11:23:37,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 11:23:37,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 11:23:37,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 11:23:37,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 11:23:37,479 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:37,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:38,578 INFO L137 Inliner]: procedures = 719, calls = 11042, calls flagged for inlining = 379, calls inlined = 356, statements flattened = 25927 [2021-11-17 11:23:38,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 11:23:38,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 11:23:38,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 11:23:38,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 11:23:38,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:38,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:38,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:38,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:39,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:39,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:39,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:39,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 11:23:39,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 11:23:39,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 11:23:39,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 11:23:39,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (1/1) ... [2021-11-17 11:23:39,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 11:23:39,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 11:23:39,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 11:23:39,920 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 [2021-11-17 11:23:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_check_bssid [2021-11-17 11:23:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_check_bssid [2021-11-17 11:23:39,958 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_rf_reg [2021-11-17 11:23:39,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_rf_reg [2021-11-17 11:23:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_on [2021-11-17 11:23:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_on [2021-11-17 11:23:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-17 11:23:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-17 11:23:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 11:23:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 11:23:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_lc_calibrate [2021-11-17 11:23:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_lc_calibrate [2021-11-17 11:23:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl8188e_config_bb_reg [2021-11-17 11:23:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl8188e_config_bb_reg [2021-11-17 11:23:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_word [2021-11-17 11:23:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_word [2021-11-17 11:23:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_enter [2021-11-17 11:23:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_enter [2021-11-17 11:23:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_path_adda_on [2021-11-17 11:23:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_path_adda_on [2021-11-17 11:23:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:23:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-17 11:23:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_signal_scale_mapping [2021-11-17 11:23:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_signal_scale_mapping [2021-11-17 11:23:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_byte [2021-11-17 11:23:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_byte [2021-11-17 11:23:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 11:23:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 11:23:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65 [2021-11-17 11:23:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65 [2021-11-17 11:23:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 11:23:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-11-17 11:23:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_query_bb_reg [2021-11-17 11:23:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_query_bb_reg [2021-11-17 11:23:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_suspend [2021-11-17 11:23:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_suspend [2021-11-17 11:23:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_interrupt [2021-11-17 11:23:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_interrupt [2021-11-17 11:23:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_sw_led_off [2021-11-17 11:23:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_sw_led_off [2021-11-17 11:23:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 11:23:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_dword [2021-11-17 11:23:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_dword [2021-11-17 11:23:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 11:23:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 11:23:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-11-17 11:23:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl88ee_driver_exit_9_2 [2021-11-17 11:23:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-17 11:23:39,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_config_rf_with_headerfile [2021-11-17 11:23:39,967 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_firmware_selfreset [2021-11-17 11:23:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_firmware_selfreset [2021-11-17 11:23:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 11:23:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 11:23:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-17 11:23:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-17 11:23:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_desc [2021-11-17 11:23:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_desc [2021-11-17 11:23:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_interval [2021-11-17 11:23:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_interval [2021-11-17 11:23:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_disable_interrupt [2021-11-17 11:23:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_disable_interrupt [2021-11-17 11:23:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 11:23:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_resume [2021-11-17 11:23:39,970 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_resume [2021-11-17 11:23:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-17 11:23:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rf_lock_of_rtl_locks [2021-11-17 11:23:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-17 11:23:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-17 11:23:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_channel_access_setting [2021-11-17 11:23:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_channel_access_setting [2021-11-17 11:23:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_rx_idle_ant [2021-11-17 11:23:39,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_rx_idle_ant [2021-11-17 11:23:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure get_rf_type [2021-11-17 11:23:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rf_type [2021-11-17 11:23:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 11:23:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 11:23:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 11:23:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_has_protected [2021-11-17 11:23:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_has_protected [2021-11-17 11:23:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 11:23:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 11:23:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure is_hal_stop [2021-11-17 11:23:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure is_hal_stop [2021-11-17 11:23:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 11:23:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 11:23:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 11:23:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure rf_serial_read [2021-11-17 11:23:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure rf_serial_read [2021-11-17 11:23:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 11:23:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_interrupt_mask [2021-11-17 11:23:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_interrupt_mask [2021-11-17 11:23:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 11:23:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 11:23:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 11:23:39,977 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 11:23:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rf_reg [2021-11-17 11:23:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rf_reg [2021-11-17 11:23:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 11:23:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 11:23:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-17 11:23:39,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-17 11:23:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2021-11-17 11:23:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2021-11-17 11:23:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_card_disable [2021-11-17 11:23:39,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_card_disable [2021-11-17 11:23:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_check_fw_read_last_h2c [2021-11-17 11:23:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_check_fw_read_last_h2c [2021-11-17 11:23:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_beacon [2021-11-17 11:23:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_beacon [2021-11-17 11:23:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-17 11:23:39,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u16~0 [2021-11-17 11:23:39,981 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_led_control [2021-11-17 11:23:39,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_led_control [2021-11-17 11:23:39,983 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_beacon_related_registers [2021-11-17 11:23:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_beacon_related_registers [2021-11-17 11:23:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure save_adda_reg [2021-11-17 11:23:39,985 INFO L138 BoogieDeclarations]: Found implementation of procedure save_adda_reg [2021-11-17 11:23:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-17 11:23:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u8~0 [2021-11-17 11:23:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:23:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-17 11:23:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-17 11:23:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-17 11:23:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 11:23:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 11:23:39,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 11:23:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2021-11-17 11:23:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2021-11-17 11:23:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 11:23:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 11:23:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-17 11:23:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-17 11:23:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-17 11:23:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-17 11:23:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_hw_reg [2021-11-17 11:23:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_hw_reg [2021-11-17 11:23:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 11:23:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 11:23:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 11:23:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 11:23:39,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 11:23:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 11:23:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 11:23:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_rfpath_switch [2021-11-17 11:23:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_rfpath_switch [2021-11-17 11:23:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:23:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 11:23:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:23:39,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 11:23:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_update_hal_rate_tbl [2021-11-17 11:23:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_update_hal_rate_tbl [2021-11-17 11:23:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_txpower_level [2021-11-17 11:23:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_txpower_level [2021-11-17 11:23:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 11:23:39,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 11:23:39,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bb_reg [2021-11-17 11:23:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bb_reg [2021-11-17 11:23:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_set_qos [2021-11-17 11:23:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_set_qos [2021-11-17 11:23:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-17 11:23:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-17 11:23:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_iq_calibrate [2021-11-17 11:23:39,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_iq_calibrate [2021-11-17 11:23:39,998 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_cam_add_one_entry [2021-11-17 11:23:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_cam_add_one_entry [2021-11-17 11:23:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_check_txpower_tracking [2021-11-17 11:23:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_check_txpower_tracking [2021-11-17 11:23:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_led [2021-11-17 11:23:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_led [2021-11-17 11:23:39,999 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_txpower_track_adjust [2021-11-17 11:23:39,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_txpower_track_adjust [2021-11-17 11:23:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65 [2021-11-17 11:23:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65 [2021-11-17 11:23:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_poweroff_adapter [2021-11-17 11:23:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_poweroff_adapter [2021-11-17 11:23:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_init_edca_turbo [2021-11-17 11:23:40,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_init_edca_turbo [2021-11-17 11:23:40,000 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-17 11:23:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_bcn_ctrl_reg [2021-11-17 11:23:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_init_sw_leds [2021-11-17 11:23:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_init_sw_leds [2021-11-17 11:23:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 11:23:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 11:23:40,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 11:23:40,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 11:23:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_hal_pwrseqcmdparsing [2021-11-17 11:23:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_hal_pwrseqcmdparsing [2021-11-17 11:23:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_enable_hw_security_config [2021-11-17 11:23:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_enable_hw_security_config [2021-11-17 11:23:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-17 11:23:40,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_h2c_lock_of_rtl_locks [2021-11-17 11:23:40,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 11:23:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 11:23:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 11:23:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 11:23:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_DA [2021-11-17 11:23:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_DA [2021-11-17 11:23:40,003 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_rfreg [2021-11-17 11:23:40,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_rfreg [2021-11-17 11:23:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:23:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-17 11:23:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 11:23:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 11:23:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-17 11:23:40,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~TO~VOID [2021-11-17 11:23:40,004 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-17 11:23:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-17 11:23:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_set_iqk_matrix [2021-11-17 11:23:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_set_iqk_matrix [2021-11-17 11:23:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_65___0 [2021-11-17 11:23:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_65___0 [2021-11-17 11:23:40,005 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_chk_tx_track [2021-11-17 11:23:40,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_chk_tx_track [2021-11-17 11:23:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-17 11:23:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-17 11:23:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_stop_tx_beacon [2021-11-17 11:23:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_stop_tx_beacon [2021-11-17 11:23:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_byte [2021-11-17 11:23:40,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_byte [2021-11-17 11:23:40,006 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_word [2021-11-17 11:23:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_word [2021-11-17 11:23:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 11:23:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 11:23:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_llt_write [2021-11-17 11:23:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_llt_write [2021-11-17 11:23:40,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 11:23:40,007 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 11:23:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_suspend [2021-11-17 11:23:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_suspend [2021-11-17 11:23:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_watchdog [2021-11-17 11:23:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_watchdog [2021-11-17 11:23:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-17 11:23:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-17 11:23:40,008 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_bw_mode [2021-11-17 11:23:40,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_bw_mode [2021-11-17 11:23:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_fast_ant_training [2021-11-17 11:23:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_fast_ant_training [2021-11-17 11:23:40,009 INFO L130 BoogieDeclarations]: Found specification of procedure sim_comp [2021-11-17 11:23:40,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sim_comp [2021-11-17 11:23:40,010 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_deinit_sw_vars [2021-11-17 11:23:40,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_deinit_sw_vars [2021-11-17 11:23:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_polling [2021-11-17 11:23:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_polling [2021-11-17 11:23:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 11:23:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 11:23:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_pi_mode_switch [2021-11-17 11:23:40,014 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_pi_mode_switch [2021-11-17 11:23:40,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_65___0 [2021-11-17 11:23:40,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_65___0 [2021-11-17 11:23:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure cal_bit_shift [2021-11-17 11:23:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_bit_shift [2021-11-17 11:23:40,016 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_enable_fw_download [2021-11-17 11:23:40,016 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_enable_fw_download [2021-11-17 11:23:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2021-11-17 11:23:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2021-11-17 11:23:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-17 11:23:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-11-17 11:23:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 11:23:40,017 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:23:40,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-17 11:23:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-17 11:23:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-17 11:23:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-17 11:23:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-17 11:23:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-17 11:23:40,018 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_ps_rf_on [2021-11-17 11:23:40,018 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___3 [2021-11-17 11:23:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___3 [2021-11-17 11:23:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-17 11:23:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-17 11:23:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 11:23:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 11:23:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_hw_init [2021-11-17 11:23:40,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_hw_init [2021-11-17 11:23:40,019 INFO L130 BoogieDeclarations]: Found specification of procedure check_cond [2021-11-17 11:23:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure check_cond [2021-11-17 11:23:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_rfreg [2021-11-17 11:23:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_rfreg [2021-11-17 11:23:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-17 11:23:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_initial_gain_min_pwdb [2021-11-17 11:23:40,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2021-11-17 11:23:40,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2021-11-17 11:23:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_phy_iq_calibrate [2021-11-17 11:23:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_phy_iq_calibrate [2021-11-17 11:23:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-17 11:23:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-17 11:23:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_resume [2021-11-17 11:23:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_resume [2021-11-17 11:23:40,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-17 11:23:40,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-11-17 11:23:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_get_hw_reg [2021-11-17 11:23:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_get_hw_reg [2021-11-17 11:23:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_scan_operation_backup [2021-11-17 11:23:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_scan_operation_backup [2021-11-17 11:23:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 11:23:40,022 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 11:23:40,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64___0 [2021-11-17 11:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64___0 [2021-11-17 11:23:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 11:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 11:23:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_fill_h2c_cmd [2021-11-17 11:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_fill_h2c_cmd [2021-11-17 11:23:40,023 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88e_fw_page_write [2021-11-17 11:23:40,023 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88e_fw_page_write [2021-11-17 11:23:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_query_rxpwrpercentage [2021-11-17 11:23:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_query_rxpwrpercentage [2021-11-17 11:23:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_dm_update_tx_ant [2021-11-17 11:23:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_dm_update_tx_ant [2021-11-17 11:23:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 11:23:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure reload_adda [2021-11-17 11:23:40,024 INFO L138 BoogieDeclarations]: Found implementation of procedure reload_adda [2021-11-17 11:23:40,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 11:23:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 11:23:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_get_bbreg [2021-11-17 11:23:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_get_bbreg [2021-11-17 11:23:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_64 [2021-11-17 11:23:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_64 [2021-11-17 11:23:40,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2021-11-17 11:23:40,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2021-11-17 11:23:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_read_eeprom_info [2021-11-17 11:23:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_read_eeprom_info [2021-11-17 11:23:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_off [2021-11-17 11:23:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_off [2021-11-17 11:23:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_set_bbreg [2021-11-17 11:23:40,026 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_set_bbreg [2021-11-17 11:23:40,026 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-17 11:23:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-17 11:23:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_resume_tx_beacon [2021-11-17 11:23:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_resume_tx_beacon [2021-11-17 11:23:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_init_sw_vars [2021-11-17 11:23:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_init_sw_vars [2021-11-17 11:23:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-17 11:23:40,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-17 11:23:40,027 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88_config_s [2021-11-17 11:23:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88_config_s [2021-11-17 11:23:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-17 11:23:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-17 11:23:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-17 11:23:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-17 11:23:40,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 11:23:40,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 11:23:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure config_bb_with_header [2021-11-17 11:23:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure config_bb_with_header [2021-11-17 11:23:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 11:23:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 11:23:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_read_dword [2021-11-17 11:23:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_read_dword [2021-11-17 11:23:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_media_status [2021-11-17 11:23:40,029 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_media_status [2021-11-17 11:23:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_fwlps_leave [2021-11-17 11:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_fwlps_leave [2021-11-17 11:23:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 11:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 11:23:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88ee_tx_fill_cmddesc [2021-11-17 11:23:40,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88ee_tx_fill_cmddesc [2021-11-17 11:23:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 11:23:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pci_disconnect [2021-11-17 11:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pci_disconnect [2021-11-17 11:23:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-17 11:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl88e_phy_set_sw_chnl_cmdarray [2021-11-17 11:23:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 11:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 11:23:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure _rtl88ee_set_fw_clock_on [2021-11-17 11:23:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure _rtl88ee_set_fw_clock_on [2021-11-17 11:23:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-17 11:23:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-17 11:23:41,862 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 11:23:41,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 11:23:45,468 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 11:25:27,311 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 11:25:27,678 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 11:25:27,729 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 11:25:27,730 INFO L301 CfgBuilder]: Removed 20 assume(true) statements. [2021-11-17 11:25:27,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:25:27 BoogieIcfgContainer [2021-11-17 11:25:27,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 11:25:27,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 11:25:27,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 11:25:27,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 11:25:27,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 11:23:25" (1/3) ... [2021-11-17 11:25:27,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753374b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:25:27, skipping insertion in model container [2021-11-17 11:25:27,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 11:23:37" (2/3) ... [2021-11-17 11:25:27,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4753374b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 11:25:27, skipping insertion in model container [2021-11-17 11:25:27,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 11:25:27" (3/3) ... [2021-11-17 11:25:27,749 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtlwifi-rtl8188ee-rtl8188ee.cil.i [2021-11-17 11:25:27,754 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 11:25:27,755 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-17 11:25:27,833 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 11:25:27,843 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 [2021-11-17 11:25:27,843 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-17 11:25:27,998 INFO L276 IsEmpty]: Start isEmpty. Operand has 7674 states, 5260 states have (on average 1.3718631178707223) internal successors, (7216), 5425 states have internal predecessors, (7216), 2246 states have call successors, (2246), 174 states have call predecessors, (2246), 173 states have return successors, (2236), 2167 states have call predecessors, (2236), 2236 states have call successors, (2236) [2021-11-17 11:25:28,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2021-11-17 11:25:28,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:25:28,031 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:25:28,032 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:25:28,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:25:28,037 INFO L85 PathProgramCache]: Analyzing trace with hash 785384618, now seen corresponding path program 1 times [2021-11-17 11:25:28,046 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:25:28,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855925394] [2021-11-17 11:25:28,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:25:28,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:25:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:25:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:25:29,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:25:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:25:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:25:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:25:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:25:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:25:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:25:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:25:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:25:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:25:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:25:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:25:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:25:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:25:30,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:25:30,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:25:30,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:25:30,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:25:30,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:25:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:25:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:25:30,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:25:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:25:30,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:25:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:25:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:25:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:25:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 11:25:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:25:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 11:25:30,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:25:30,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855925394] [2021-11-17 11:25:30,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855925394] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:25:30,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:25:30,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:25:30,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694978242] [2021-11-17 11:25:30,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:25:30,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:25:30,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:25:30,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:25:30,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:25:30,736 INFO L87 Difference]: Start difference. First operand has 7674 states, 5260 states have (on average 1.3718631178707223) internal successors, (7216), 5425 states have internal predecessors, (7216), 2246 states have call successors, (2246), 174 states have call predecessors, (2246), 173 states have return successors, (2236), 2167 states have call predecessors, (2236), 2236 states have call successors, (2236) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 11:25:32,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:25:35,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:25:39,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:25:50,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:25:56,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:01,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:26:04,185 INFO L93 Difference]: Finished difference Result 15317 states and 23832 transitions. [2021-11-17 11:26:04,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:26:04,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 327 [2021-11-17 11:26:04,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:26:04,279 INFO L225 Difference]: With dead ends: 15317 [2021-11-17 11:26:04,280 INFO L226 Difference]: Without dead ends: 9258 [2021-11-17 11:26:04,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:26:04,350 INFO L933 BasicCegarLoop]: 8267 mSDtfsCounter, 8204 mSDsluCounter, 10233 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 3720 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9391 SdHoareTripleChecker+Valid, 18500 SdHoareTripleChecker+Invalid, 7566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3720 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:26:04,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9391 Valid, 18500 Invalid, 7566 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3720 Valid, 3840 Invalid, 6 Unknown, 0 Unchecked, 32.2s Time] [2021-11-17 11:26:04,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9258 states. [2021-11-17 11:26:05,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9258 to 9164. [2021-11-17 11:26:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9164 states, 6527 states have (on average 1.339359583269496) internal successors, (8742), 6676 states have internal predecessors, (8742), 2376 states have call successors, (2376), 271 states have call predecessors, (2376), 258 states have return successors, (2342), 2280 states have call predecessors, (2342), 2342 states have call successors, (2342) [2021-11-17 11:26:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9164 states to 9164 states and 13460 transitions. [2021-11-17 11:26:05,393 INFO L78 Accepts]: Start accepts. Automaton has 9164 states and 13460 transitions. Word has length 327 [2021-11-17 11:26:05,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:26:05,398 INFO L470 AbstractCegarLoop]: Abstraction has 9164 states and 13460 transitions. [2021-11-17 11:26:05,405 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 11:26:05,411 INFO L276 IsEmpty]: Start isEmpty. Operand 9164 states and 13460 transitions. [2021-11-17 11:26:05,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2021-11-17 11:26:05,422 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:26:05,423 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:26:05,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 11:26:05,424 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-17 11:26:05,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:26:05,424 INFO L85 PathProgramCache]: Analyzing trace with hash -732866147, now seen corresponding path program 1 times [2021-11-17 11:26:05,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:26:05,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478507171] [2021-11-17 11:26:05,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:26:05,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:26:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:26:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:26:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:26:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:26:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:26:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:26:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:26:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:26:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:26:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:26:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:26:06,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:26:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:26:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:26:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:26:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:26:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:26:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:26:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:26:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:26:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:26:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:26:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:26:06,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:06,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:26:06,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:26:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:26:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:26:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:26:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 11:26:07,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:26:07,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478507171] [2021-11-17 11:26:07,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478507171] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:26:07,129 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:26:07,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:26:07,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521939714] [2021-11-17 11:26:07,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:26:07,132 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:26:07,132 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:26:07,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:26:07,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:26:07,134 INFO L87 Difference]: Start difference. First operand 9164 states and 13460 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 11:26:08,209 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:10,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:14,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:23,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:30,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:26:30,306 INFO L93 Difference]: Finished difference Result 27458 states and 40711 transitions. [2021-11-17 11:26:30,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:26:30,306 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 336 [2021-11-17 11:26:30,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:26:30,453 INFO L225 Difference]: With dead ends: 27458 [2021-11-17 11:26:30,453 INFO L226 Difference]: Without dead ends: 18341 [2021-11-17 11:26:30,509 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:26:30,513 INFO L933 BasicCegarLoop]: 7557 mSDtfsCounter, 7257 mSDsluCounter, 9532 mSDsCounter, 0 mSdLazyCounter, 3436 mSolverCounterSat, 3310 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8322 SdHoareTripleChecker+Valid, 17089 SdHoareTripleChecker+Invalid, 6749 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3310 IncrementalHoareTripleChecker+Valid, 3436 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:26:30,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8322 Valid, 17089 Invalid, 6749 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3310 Valid, 3436 Invalid, 3 Unknown, 0 Unchecked, 22.2s Time] [2021-11-17 11:26:30,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18341 states. [2021-11-17 11:26:31,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18341 to 18239. [2021-11-17 11:26:31,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18239 states, 13008 states have (on average 1.342020295202952) internal successors, (17457), 13318 states have internal predecessors, (17457), 4709 states have call successors, (4709), 538 states have call predecessors, (4709), 519 states have return successors, (4961), 4510 states have call predecessors, (4961), 4643 states have call successors, (4961) [2021-11-17 11:26:31,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18239 states to 18239 states and 27127 transitions. [2021-11-17 11:26:31,677 INFO L78 Accepts]: Start accepts. Automaton has 18239 states and 27127 transitions. Word has length 336 [2021-11-17 11:26:31,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:26:31,678 INFO L470 AbstractCegarLoop]: Abstraction has 18239 states and 27127 transitions. [2021-11-17 11:26:31,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-11-17 11:26:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 18239 states and 27127 transitions. [2021-11-17 11:26:31,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2021-11-17 11:26:31,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:26:31,690 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:26:31,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 11:26:31,691 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)] === [2021-11-17 11:26:31,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:26:31,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1340327932, now seen corresponding path program 1 times [2021-11-17 11:26:31,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:26:31,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851809717] [2021-11-17 11:26:31,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:26:31,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:26:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:26:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:26:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:26:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:26:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:26:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:26:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:26:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:26:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:26:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:26:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:26:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:26:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:26:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:26:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:26:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:26:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:26:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:26:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:26:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:26:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:26:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:26:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:26:33,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:26:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:26:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:26:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:26:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:26:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 11:26:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:33,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3240 trivial. 0 not checked. [2021-11-17 11:26:33,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:26:33,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851809717] [2021-11-17 11:26:33,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851809717] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:26:33,208 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:26:33,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:26:33,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28926764] [2021-11-17 11:26:33,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:26:33,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:26:33,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:26:33,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:26:33,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:26:33,212 INFO L87 Difference]: Start difference. First operand 18239 states and 27127 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 11:26:35,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:37,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:43,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:46,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:52,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:26:52,354 INFO L93 Difference]: Finished difference Result 40353 states and 59940 transitions. [2021-11-17 11:26:52,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:26:52,355 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 350 [2021-11-17 11:26:52,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:26:52,477 INFO L225 Difference]: With dead ends: 40353 [2021-11-17 11:26:52,478 INFO L226 Difference]: Without dead ends: 22173 [2021-11-17 11:26:52,557 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:26:52,560 INFO L933 BasicCegarLoop]: 7340 mSDtfsCounter, 5382 mSDsluCounter, 9224 mSDsCounter, 0 mSdLazyCounter, 3372 mSolverCounterSat, 2943 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6230 SdHoareTripleChecker+Valid, 16564 SdHoareTripleChecker+Invalid, 6319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2943 IncrementalHoareTripleChecker+Valid, 3372 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-17 11:26:52,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6230 Valid, 16564 Invalid, 6319 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2943 Valid, 3372 Invalid, 4 Unknown, 0 Unchecked, 18.4s Time] [2021-11-17 11:26:52,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22173 states. [2021-11-17 11:26:53,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22173 to 22037. [2021-11-17 11:26:53,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22037 states, 15444 states have (on average 1.3256280756280756) internal successors, (20473), 15869 states have internal predecessors, (20473), 5889 states have call successors, (5889), 725 states have call predecessors, (5889), 701 states have return successors, (6241), 5618 states have call predecessors, (6241), 5816 states have call successors, (6241) [2021-11-17 11:26:54,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22037 states to 22037 states and 32603 transitions. [2021-11-17 11:26:54,038 INFO L78 Accepts]: Start accepts. Automaton has 22037 states and 32603 transitions. Word has length 350 [2021-11-17 11:26:54,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:26:54,042 INFO L470 AbstractCegarLoop]: Abstraction has 22037 states and 32603 transitions. [2021-11-17 11:26:54,042 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-17 11:26:54,042 INFO L276 IsEmpty]: Start isEmpty. Operand 22037 states and 32603 transitions. [2021-11-17 11:26:54,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2021-11-17 11:26:54,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:26:54,053 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:26:54,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 11:26:54,053 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-17 11:26:54,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:26:54,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1684721415, now seen corresponding path program 1 times [2021-11-17 11:26:54,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:26:54,054 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250895835] [2021-11-17 11:26:54,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:26:54,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:26:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:26:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:26:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:26:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:26:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:26:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:26:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:26:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:26:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:26:54,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:26:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:26:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:26:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:26:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:26:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:26:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:26:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:26:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:26:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:26:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:26:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:26:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:26:55,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:26:55,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:26:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:26:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:26:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:26:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:26:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:26:55,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-17 11:26:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:26:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 11:26:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:26:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:26:55,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2021-11-17 11:26:55,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:26:55,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250895835] [2021-11-17 11:26:55,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250895835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:26:55,577 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:26:55,578 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:26:55,578 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24800909] [2021-11-17 11:26:55,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:26:55,579 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:26:55,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:26:55,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:26:55,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:26:55,580 INFO L87 Difference]: Start difference. First operand 22037 states and 32603 transitions. Second operand has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 11:26:57,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:26:59,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:09,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:11,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:19,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:22,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:27:24,893 INFO L93 Difference]: Finished difference Result 60411 states and 89711 transitions. [2021-11-17 11:27:24,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:27:24,893 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 364 [2021-11-17 11:27:24,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:27:25,124 INFO L225 Difference]: With dead ends: 60411 [2021-11-17 11:27:25,124 INFO L226 Difference]: Without dead ends: 38433 [2021-11-17 11:27:25,244 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 11:27:25,245 INFO L933 BasicCegarLoop]: 9208 mSDtfsCounter, 8406 mSDsluCounter, 10660 mSDsCounter, 0 mSdLazyCounter, 4391 mSolverCounterSat, 5722 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9515 SdHoareTripleChecker+Valid, 19868 SdHoareTripleChecker+Invalid, 10119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5722 IncrementalHoareTripleChecker+Valid, 4391 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-11-17 11:27:25,245 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9515 Valid, 19868 Invalid, 10119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5722 Valid, 4391 Invalid, 6 Unknown, 0 Unchecked, 27.9s Time] [2021-11-17 11:27:25,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38433 states. [2021-11-17 11:27:27,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38433 to 37124. [2021-11-17 11:27:27,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37124 states, 26086 states have (on average 1.3262669631219812) internal successors, (34597), 26815 states have internal predecessors, (34597), 9859 states have call successors, (9859), 1215 states have call predecessors, (9859), 1176 states have return successors, (10432), 9389 states have call predecessors, (10432), 9736 states have call successors, (10432) [2021-11-17 11:27:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37124 states to 37124 states and 54888 transitions. [2021-11-17 11:27:27,788 INFO L78 Accepts]: Start accepts. Automaton has 37124 states and 54888 transitions. Word has length 364 [2021-11-17 11:27:27,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:27:27,790 INFO L470 AbstractCegarLoop]: Abstraction has 37124 states and 54888 transitions. [2021-11-17 11:27:27,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 11:27:27,790 INFO L276 IsEmpty]: Start isEmpty. Operand 37124 states and 54888 transitions. [2021-11-17 11:27:27,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2021-11-17 11:27:27,799 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:27:27,799 INFO L514 BasicCegarLoop]: trace histogram [28, 28, 27, 27, 27, 27, 27, 27, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:27:27,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 11:27:27,800 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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)] === [2021-11-17 11:27:27,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:27:27,801 INFO L85 PathProgramCache]: Analyzing trace with hash -338114936, now seen corresponding path program 1 times [2021-11-17 11:27:27,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:27:27,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843228247] [2021-11-17 11:27:27,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:27:27,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:27:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:27:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:27:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:27:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:27:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:27:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:27:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:27:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:27:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:27:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:27:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:27:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:27:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:27:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:27:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:27:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:27:28,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:27:28,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:27:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:27:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:27:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:27:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:27:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:27:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:27:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:27:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:27:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:27:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:27:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:28,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:27:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 11:27:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:27:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 11:27:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:27:29,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:27:29,116 INFO L134 CoverageAnalysis]: Checked inductivity of 3244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3244 trivial. 0 not checked. [2021-11-17 11:27:29,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:27:29,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843228247] [2021-11-17 11:27:29,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843228247] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:27:29,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:27:29,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:27:29,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56285414] [2021-11-17 11:27:29,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:27:29,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:27:29,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:27:29,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:27:29,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:27:29,120 INFO L87 Difference]: Start difference. First operand 37124 states and 54888 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 11:27:31,320 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:33,394 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:35,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:40,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:51,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:53,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:27:58,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:00,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:13,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:15,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:19,751 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:21,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:25,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:27,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:30,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:28:30,217 INFO L93 Difference]: Finished difference Result 112120 states and 166197 transitions. [2021-11-17 11:28:30,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:28:30,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 365 [2021-11-17 11:28:30,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:28:30,878 INFO L225 Difference]: With dead ends: 112120 [2021-11-17 11:28:30,878 INFO L226 Difference]: Without dead ends: 75055 [2021-11-17 11:28:31,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 11:28:31,036 INFO L933 BasicCegarLoop]: 9844 mSDtfsCounter, 6571 mSDsluCounter, 13248 mSDsCounter, 0 mSdLazyCounter, 8842 mSolverCounterSat, 2902 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7683 SdHoareTripleChecker+Valid, 23092 SdHoareTripleChecker+Invalid, 11758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2902 IncrementalHoareTripleChecker+Valid, 8842 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.8s IncrementalHoareTripleChecker+Time [2021-11-17 11:28:31,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7683 Valid, 23092 Invalid, 11758 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2902 Valid, 8842 Invalid, 14 Unknown, 0 Unchecked, 58.8s Time] [2021-11-17 11:28:31,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75055 states. [2021-11-17 11:28:34,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75055 to 72459. [2021-11-17 11:28:34,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72459 states, 50764 states have (on average 1.3246592073122685) internal successors, (67245), 52240 states have internal predecessors, (67245), 19351 states have call successors, (19351), 2418 states have call predecessors, (19351), 2341 states have return successors, (20161), 18392 states have call predecessors, (20161), 19109 states have call successors, (20161) [2021-11-17 11:28:35,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72459 states to 72459 states and 106757 transitions. [2021-11-17 11:28:35,403 INFO L78 Accepts]: Start accepts. Automaton has 72459 states and 106757 transitions. Word has length 365 [2021-11-17 11:28:35,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:28:35,404 INFO L470 AbstractCegarLoop]: Abstraction has 72459 states and 106757 transitions. [2021-11-17 11:28:35,404 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 11:28:35,404 INFO L276 IsEmpty]: Start isEmpty. Operand 72459 states and 106757 transitions. [2021-11-17 11:28:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2021-11-17 11:28:35,413 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:28:35,413 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 27, 27, 27, 27, 27, 27, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:28:35,414 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 11:28:35,414 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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)] === [2021-11-17 11:28:35,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:28:35,414 INFO L85 PathProgramCache]: Analyzing trace with hash 182407740, now seen corresponding path program 1 times [2021-11-17 11:28:35,415 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:28:35,415 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62115760] [2021-11-17 11:28:35,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:28:35,415 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:28:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:28:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:28:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:28:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:28:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:28:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:28:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:28:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:28:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:28:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:28:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:28:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:28:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:28:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:28:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:28:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:28:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:28:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:28:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:28:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:28:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:28:36,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:28:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:28:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:28:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:28:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:28:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:28:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:28:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:28:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 11:28:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2021-11-17 11:28:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 11:28:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:28:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 11:28:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 11:28:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:28:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3334 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3328 trivial. 0 not checked. [2021-11-17 11:28:36,883 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:28:36,884 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62115760] [2021-11-17 11:28:36,884 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62115760] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:28:36,884 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:28:36,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 11:28:36,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927930130] [2021-11-17 11:28:36,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:28:36,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 11:28:36,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:28:36,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 11:28:36,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:28:36,888 INFO L87 Difference]: Start difference. First operand 72459 states and 106757 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 11:28:39,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:41,167 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:43,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:47,571 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:54,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:28:59,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:14,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:17,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:20,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:23,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:25,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:28,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:29:28,361 INFO L93 Difference]: Finished difference Result 192120 states and 284035 transitions. [2021-11-17 11:29:28,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:29:28,362 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 389 [2021-11-17 11:29:28,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:29:29,212 INFO L225 Difference]: With dead ends: 192120 [2021-11-17 11:29:29,212 INFO L226 Difference]: Without dead ends: 119720 [2021-11-17 11:29:29,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-17 11:29:29,570 INFO L933 BasicCegarLoop]: 7934 mSDtfsCounter, 7387 mSDsluCounter, 12103 mSDsCounter, 0 mSdLazyCounter, 7680 mSolverCounterSat, 3435 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8501 SdHoareTripleChecker+Valid, 20037 SdHoareTripleChecker+Invalid, 11125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3435 IncrementalHoareTripleChecker+Valid, 7680 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2021-11-17 11:29:29,571 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8501 Valid, 20037 Invalid, 11125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3435 Valid, 7680 Invalid, 10 Unknown, 0 Unchecked, 47.6s Time] [2021-11-17 11:29:29,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119720 states. [2021-11-17 11:29:35,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119720 to 115814. [2021-11-17 11:29:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115814 states, 81534 states have (on average 1.3265631515686707) internal successors, (108160), 83877 states have internal predecessors, (108160), 30589 states have call successors, (30589), 3811 states have call predecessors, (30589), 3688 states have return successors, (31836), 29047 states have call predecessors, (31836), 30204 states have call successors, (31836) [2021-11-17 11:29:36,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115814 states to 115814 states and 170585 transitions. [2021-11-17 11:29:36,187 INFO L78 Accepts]: Start accepts. Automaton has 115814 states and 170585 transitions. Word has length 389 [2021-11-17 11:29:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:29:36,189 INFO L470 AbstractCegarLoop]: Abstraction has 115814 states and 170585 transitions. [2021-11-17 11:29:36,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (39), 4 states have call predecessors, (39), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-11-17 11:29:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 115814 states and 170585 transitions. [2021-11-17 11:29:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 11:29:36,192 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:29:36,193 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:29:36,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 11:29:36,193 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-11-17 11:29:36,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:29:36,194 INFO L85 PathProgramCache]: Analyzing trace with hash 248234772, now seen corresponding path program 1 times [2021-11-17 11:29:36,194 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:29:36,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689932770] [2021-11-17 11:29:36,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:29:36,194 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:29:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:29:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:29:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:29:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:29:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:29:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:29:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:29:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:29:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:29:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:29:37,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:29:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:29:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:29:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:29:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:29:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:29:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:29:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:29:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:29:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:29:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:29:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:29:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:29:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:29:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:29:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:29:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:29:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:29:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 11:29:37,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 11:29:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 11:29:37,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 11:29:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:29:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 11:29:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 11:29:37,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 11:29:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:29:37,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3525 trivial. 0 not checked. [2021-11-17 11:29:37,632 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:29:37,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689932770] [2021-11-17 11:29:37,633 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689932770] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:29:37,633 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:29:37,633 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 11:29:37,633 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904869729] [2021-11-17 11:29:37,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:29:37,634 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 11:29:37,634 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:29:37,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 11:29:37,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 11:29:37,635 INFO L87 Difference]: Start difference. First operand 115814 states and 170585 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 11:29:40,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:46,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:29:52,762 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:00,836 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:02,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:07,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:30:07,111 INFO L93 Difference]: Finished difference Result 346186 states and 510499 transitions. [2021-11-17 11:30:07,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 11:30:07,112 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 385 [2021-11-17 11:30:07,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:30:08,616 INFO L225 Difference]: With dead ends: 346186 [2021-11-17 11:30:08,616 INFO L226 Difference]: Without dead ends: 230529 [2021-11-17 11:30:09,261 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 11:30:09,262 INFO L933 BasicCegarLoop]: 10603 mSDtfsCounter, 6680 mSDsluCounter, 11321 mSDsCounter, 0 mSdLazyCounter, 3481 mSolverCounterSat, 2612 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7741 SdHoareTripleChecker+Valid, 21924 SdHoareTripleChecker+Invalid, 6098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2612 IncrementalHoareTripleChecker+Valid, 3481 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-11-17 11:30:09,262 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7741 Valid, 21924 Invalid, 6098 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2612 Valid, 3481 Invalid, 5 Unknown, 0 Unchecked, 23.2s Time] [2021-11-17 11:30:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230529 states. [2021-11-17 11:30:20,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230529 to 229441. [2021-11-17 11:30:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229441 states, 161685 states have (on average 1.326944367133624) internal successors, (214547), 166193 states have internal predecessors, (214547), 60490 states have call successors, (60490), 7492 states have call predecessors, (60490), 7263 states have return successors, (62988), 57599 states have call predecessors, (62988), 59724 states have call successors, (62988) [2021-11-17 11:30:22,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229441 states to 229441 states and 338025 transitions. [2021-11-17 11:30:22,921 INFO L78 Accepts]: Start accepts. Automaton has 229441 states and 338025 transitions. Word has length 385 [2021-11-17 11:30:22,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 11:30:22,922 INFO L470 AbstractCegarLoop]: Abstraction has 229441 states and 338025 transitions. [2021-11-17 11:30:22,922 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2021-11-17 11:30:22,922 INFO L276 IsEmpty]: Start isEmpty. Operand 229441 states and 338025 transitions. [2021-11-17 11:30:22,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-11-17 11:30:22,925 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 11:30:22,926 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 27, 27, 27, 27, 27, 27, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 11:30:22,926 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 11:30:22,926 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-11-17 11:30:22,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 11:30:22,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2123504490, now seen corresponding path program 1 times [2021-11-17 11:30:22,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 11:30:22,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613093611] [2021-11-17 11:30:22,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 11:30:22,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 11:30:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 11:30:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 11:30:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 11:30:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 11:30:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 11:30:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 11:30:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 11:30:23,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 11:30:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 11:30:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 11:30:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 11:30:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 11:30:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 11:30:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 11:30:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:23,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 11:30:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 11:30:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 11:30:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 11:30:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 11:30:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 11:30:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 11:30:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 11:30:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 11:30:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 11:30:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 11:30:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 11:30:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 11:30:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 11:30:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 11:30:24,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 11:30:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 11:30:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2021-11-17 11:30:24,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 11:30:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 11:30:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 11:30:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 11:30:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 11:30:24,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3537 trivial. 0 not checked. [2021-11-17 11:30:24,608 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 11:30:24,608 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613093611] [2021-11-17 11:30:24,608 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613093611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 11:30:24,609 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 11:30:24,609 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 11:30:24,609 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676493960] [2021-11-17 11:30:24,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 11:30:24,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 11:30:24,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 11:30:24,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 11:30:24,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-17 11:30:24,611 INFO L87 Difference]: Start difference. First operand 229441 states and 338025 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 11:30:26,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:33,403 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:43,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 11:30:46,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 11:30:46,310 INFO L93 Difference]: Finished difference Result 230531 states and 339883 transitions. [2021-11-17 11:30:46,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 11:30:46,311 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 385 [2021-11-17 11:30:46,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 11:30:47,454 INFO L225 Difference]: With dead ends: 230531 [2021-11-17 11:30:47,454 INFO L226 Difference]: Without dead ends: 230529 [2021-11-17 11:30:47,576 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-11-17 11:30:47,577 INFO L933 BasicCegarLoop]: 6549 mSDtfsCounter, 6387 mSDsluCounter, 15053 mSDsCounter, 0 mSdLazyCounter, 3448 mSolverCounterSat, 2116 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7170 SdHoareTripleChecker+Valid, 21602 SdHoareTripleChecker+Invalid, 5567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2116 IncrementalHoareTripleChecker+Valid, 3448 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-11-17 11:30:47,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7170 Valid, 21602 Invalid, 5567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2116 Valid, 3448 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2021-11-17 11:30:48,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230529 states.