java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-02 05:18:14,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-02 05:18:14,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-02 05:18:14,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-02 05:18:14,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-02 05:18:14,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-02 05:18:14,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-02 05:18:14,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-02 05:18:14,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-02 05:18:14,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-02 05:18:14,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-02 05:18:14,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-02 05:18:14,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-02 05:18:14,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-02 05:18:14,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-02 05:18:14,916 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-02 05:18:14,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-02 05:18:14,918 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-02 05:18:14,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-02 05:18:14,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-02 05:18:14,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-02 05:18:14,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-02 05:18:14,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-02 05:18:14,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-02 05:18:14,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-02 05:18:14,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-02 05:18:14,930 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-02 05:18:14,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-02 05:18:14,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-02 05:18:14,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-02 05:18:14,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-02 05:18:14,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-02 05:18:14,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-02 05:18:14,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-02 05:18:14,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-02 05:18:14,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-02 05:18:14,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-02 05:18:14,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-02 05:18:14,937 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-02 05:18:14,938 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-02 05:18:14,939 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-02 05:18:14,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-02 05:18:14,955 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-02 05:18:14,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-02 05:18:14,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-02 05:18:14,958 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-02 05:18:14,958 INFO L138 SettingsManager]: * Use SBE=true [2019-10-02 05:18:14,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-02 05:18:14,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-02 05:18:14,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-02 05:18:14,959 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-02 05:18:14,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-02 05:18:14,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-02 05:18:14,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-02 05:18:14,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-02 05:18:14,960 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-02 05:18:14,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-02 05:18:14,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-02 05:18:14,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-02 05:18:14,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-02 05:18:14,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-02 05:18:14,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-02 05:18:14,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-02 05:18:14,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 05:18:14,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-02 05:18:14,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-02 05:18:14,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-02 05:18:14,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-02 05:18:14,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-02 05:18:14,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-02 05:18:14,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-02 05:18:14,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-02 05:18:15,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-02 05:18:15,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-02 05:18:15,012 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-02 05:18:15,012 INFO L275 PluginConnector]: CDTParser initialized [2019-10-02 05:18:15,013 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-10-02 05:18:15,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a435dada8/eea3317893ce4d98aea694433b5467b7/FLAGeac086eca [2019-10-02 05:18:15,934 INFO L306 CDTParser]: Found 1 translation units. [2019-10-02 05:18:15,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-10-02 05:18:15,978 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a435dada8/eea3317893ce4d98aea694433b5467b7/FLAGeac086eca [2019-10-02 05:18:16,446 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a435dada8/eea3317893ce4d98aea694433b5467b7 [2019-10-02 05:18:16,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-02 05:18:16,461 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-02 05:18:16,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-02 05:18:16,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-02 05:18:16,465 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-02 05:18:16,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:18:16" (1/1) ... [2019-10-02 05:18:16,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac0915c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:16, skipping insertion in model container [2019-10-02 05:18:16,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.10 05:18:16" (1/1) ... [2019-10-02 05:18:16,477 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-02 05:18:16,609 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-02 05:18:18,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:18:18,750 INFO L188 MainTranslator]: Completed pre-run [2019-10-02 05:18:18,965 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-02 05:18:19,419 INFO L192 MainTranslator]: Completed translation [2019-10-02 05:18:19,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19 WrapperNode [2019-10-02 05:18:19,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-02 05:18:19,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-02 05:18:19,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-02 05:18:19,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-02 05:18:19,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... [2019-10-02 05:18:19,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-02 05:18:19,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-02 05:18:19,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-02 05:18:19,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-02 05:18:19,795 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-02 05:18:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-02 05:18:19,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-02 05:18:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-02 05:18:19,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:18:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-02 05:18:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-02 05:18:19,880 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-02 05:18:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-10-02 05:18:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-02 05:18:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-02 05:18:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-10-02 05:18:19,881 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-10-02 05:18:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-10-02 05:18:19,882 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-10-02 05:18:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-10-02 05:18:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq [2019-10-02 05:18:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq_valid [2019-10-02 05:18:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2019-10-02 05:18:19,885 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_set_drvdata [2019-10-02 05:18:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-02 05:18:19,886 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ir_raw_event [2019-10-02 05:18:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_reset [2019-10-02 05:18:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2019-10-02 05:18:19,887 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2019-10-02 05:18:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2019-10-02 05:18:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2019-10-02 05:18:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2019-10-02 05:18:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2019-10-02 05:18:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2019-10-02 05:18:19,888 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2019-10-02 05:18:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2019-10-02 05:18:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2019-10-02 05:18:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_dump_regs [2019-10-02 05:18:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_wake_dump_regs [2019-10-02 05:18:19,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_hw_detect [2019-10-02 05:18:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_ldev_init [2019-10-02 05:18:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_ldev_init [2019-10-02 05:18:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2019-10-02 05:18:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2019-10-02 05:18:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2019-10-02 05:18:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2019-10-02 05:18:19,891 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2019-10-02 05:18:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2019-10-02 05:18:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2019-10-02 05:18:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_tx_carrier [2019-10-02 05:18:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_tx_ir [2019-10-02 05:18:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_dump_rx_buf [2019-10-02 05:18:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_handle_rx_fifo_overrun [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_log_irqs [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_isr [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_isr [2019-10-02 05:18:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_cir [2019-10-02 05:18:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2019-10-02 05:18:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_open [2019-10-02 05:18:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_close [2019-10-02 05:18:19,894 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_probe [2019-10-02 05:18:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2019-10-02 05:18:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_suspend [2019-10-02 05:18:19,895 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_resume [2019-10-02 05:18:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2019-10-02 05:18:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_init [2019-10-02 05:18:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_exit [2019-10-02 05:18:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2019-10-02 05:18:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nvt_init_8_7 [2019-10-02 05:18:19,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-10-02 05:18:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_2_9 [2019-10-02 05:18:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_probe_2_16 [2019-10-02 05:18:19,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_release_2_2 [2019-10-02 05:18:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_resume_2_5 [2019-10-02 05:18:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_suspend_2_7 [2019-10-02 05:18:19,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_6_1 [2019-10-02 05:18:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_3_1 [2019-10-02 05:18:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_4_2 [2019-10-02 05:18:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_5_2 [2019-10-02 05:18:19,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2019-10-02 05:18:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_8 [2019-10-02 05:18:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-02 05:18:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-10-02 05:18:19,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-10-02 05:18:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-10-02 05:18:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2019-10-02 05:18:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-10-02 05:18:19,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2019-10-02 05:18:19,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-10-02 05:18:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2019-10-02 05:18:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver [2019-10-02 05:18:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver [2019-10-02 05:18:19,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-10-02 05:18:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnp_driver_base_instance_2 [2019-10-02 05:18:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-10-02 05:18:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-10-02 05:18:19,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-10-02 05:18:19,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-10-02 05:18:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-10-02 05:18:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_10 [2019-10-02 05:18:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_19 [2019-10-02 05:18:19,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_25 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_26 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_44 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_46 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_48 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_50 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_52 [2019-10-02 05:18:19,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_54 [2019-10-02 05:18:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_56 [2019-10-02 05:18:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_58 [2019-10-02 05:18:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2019-10-02 05:18:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2019-10-02 05:18:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2019-10-02 05:18:19,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_66 [2019-10-02 05:18:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_67 [2019-10-02 05:18:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_68 [2019-10-02 05:18:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2019-10-02 05:18:19,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_71 [2019-10-02 05:18:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2019-10-02 05:18:19,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2019-10-02 05:18:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_75 [2019-10-02 05:18:19,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver_77 [2019-10-02 05:18:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver_78 [2019-10-02 05:18:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-10-02 05:18:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-10-02 05:18:19,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-10-02 05:18:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-02 05:18:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-02 05:18:19,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-02 05:18:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-02 05:18:19,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-10-02 05:18:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-10-02 05:18:19,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-10-02 05:18:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-10-02 05:18:19,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-10-02 05:18:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-10-02 05:18:19,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-02 05:18:19,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-02 05:18:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-10-02 05:18:19,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-10-02 05:18:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-10-02 05:18:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-10-02 05:18:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-10-02 05:18:19,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-02 05:18:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-02 05:18:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-02 05:18:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-02 05:18:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-10-02 05:18:19,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-02 05:18:19,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-02 05:18:19,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-10-02 05:18:19,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-10-02 05:18:19,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-10-02 05:18:19,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-02 05:18:19,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-02 05:18:19,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2019-10-02 05:18:19,939 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-10-02 05:18:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-02 05:18:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-02 05:18:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2019-10-02 05:18:19,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store [2019-10-02 05:18:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store_with_filter [2019-10-02 05:18:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-10-02 05:18:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-10-02 05:18:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-02 05:18:19,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-02 05:18:19,942 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-02 05:18:19,943 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-02 05:18:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-02 05:18:19,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-02 05:18:19,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-02 05:18:19,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-02 05:18:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-10-02 05:18:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-10-02 05:18:19,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-10-02 05:18:19,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-02 05:18:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-02 05:18:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-02 05:18:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-02 05:18:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_44 [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_46 [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_48 [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_50 [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_52 [2019-10-02 05:18:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_54 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_56 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_58 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2019-10-02 05:18:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2019-10-02 05:18:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_75 [2019-10-02 05:18:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-02 05:18:19,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-02 05:18:19,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2019-10-02 05:18:19,963 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-02 05:18:19,964 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_25 [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_26 [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-10-02 05:18:19,965 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq_valid [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_set_drvdata [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-10-02 05:18:19,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver_77 [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver_78 [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_66 [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_67 [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-02 05:18:19,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_68 [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_71 [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2019-10-02 05:18:19,968 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure init_ir_raw_event [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store_with_filter [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_reset [2019-10-02 05:18:19,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2019-10-02 05:18:19,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure cir_dump_regs [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure cir_wake_dump_regs [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_hw_detect [2019-10-02 05:18:19,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_ldev_init [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_ldev_init [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2019-10-02 05:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2019-10-02 05:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2019-10-02 05:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_tx_carrier [2019-10-02 05:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-02 05:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_tx_ir [2019-10-02 05:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-02 05:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_dump_rx_buf [2019-10-02 05:18:19,974 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2019-10-02 05:18:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_handle_rx_fifo_overrun [2019-10-02 05:18:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2019-10-02 05:18:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_log_irqs [2019-10-02 05:18:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2019-10-02 05:18:19,975 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_isr [2019-10-02 05:18:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_isr [2019-10-02 05:18:19,977 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_cir [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_open [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_close [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_probe [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_suspend [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_resume [2019-10-02 05:18:19,978 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_init [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_exit [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nvt_init_8_7 [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_2_9 [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_probe_2_16 [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_release_2_2 [2019-10-02 05:18:19,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_resume_2_5 [2019-10-02 05:18:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_suspend_2_7 [2019-10-02 05:18:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_6_1 [2019-10-02 05:18:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_3_1 [2019-10-02 05:18:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_4_2 [2019-10-02 05:18:19,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_5_2 [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_8 [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2019-10-02 05:18:19,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnp_driver_base_instance_2 [2019-10-02 05:18:19,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_10 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_19 [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-10-02 05:18:19,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-10-02 05:18:19,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-10-02 05:18:19,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-02 05:18:19,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-10-02 05:18:19,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-10-02 05:18:19,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-10-02 05:18:19,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-10-02 05:18:19,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-10-02 05:18:19,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-10-02 05:18:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-10-02 05:18:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2019-10-02 05:18:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-10-02 05:18:19,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-10-02 05:18:19,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-10-02 05:18:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-02 05:18:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-02 05:18:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-02 05:18:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-02 05:18:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-02 05:18:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-02 05:18:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-02 05:18:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-02 05:18:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-02 05:18:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-02 05:18:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-02 05:18:21,165 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-02 05:18:29,906 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-10-02 05:18:30,380 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-02 05:18:30,380 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-02 05:18:30,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:18:30 BoogieIcfgContainer [2019-10-02 05:18:30,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-02 05:18:30,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-02 05:18:30,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-02 05:18:30,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-02 05:18:30,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.10 05:18:16" (1/3) ... [2019-10-02 05:18:30,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e80fe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:18:30, skipping insertion in model container [2019-10-02 05:18:30,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.10 05:18:19" (2/3) ... [2019-10-02 05:18:30,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e80fe4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 05:18:30, skipping insertion in model container [2019-10-02 05:18:30,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 05:18:30" (3/3) ... [2019-10-02 05:18:30,392 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-10-02 05:18:30,402 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-02 05:18:30,412 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-10-02 05:18:30,430 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-10-02 05:18:30,468 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-10-02 05:18:30,469 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-02 05:18:30,469 INFO L378 AbstractCegarLoop]: Hoare is true [2019-10-02 05:18:30,469 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-02 05:18:30,470 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-02 05:18:30,470 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-02 05:18:30,470 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-02 05:18:30,470 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-02 05:18:30,470 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-02 05:18:30,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states. [2019-10-02 05:18:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-10-02 05:18:30,533 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:30,534 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:18:30,536 INFO L418 AbstractCegarLoop]: === Iteration 1 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:30,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:30,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1241316990, now seen corresponding path program 1 times [2019-10-02 05:18:30,545 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:30,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:30,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:30,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:30,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:31,457 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-02 05:18:31,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:31,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:18:31,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:18:31,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:18:31,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:31,485 INFO L87 Difference]: Start difference. First operand 1802 states. Second operand 3 states. [2019-10-02 05:18:34,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:34,253 INFO L93 Difference]: Finished difference Result 3969 states and 5379 transitions. [2019-10-02 05:18:34,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:18:34,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-10-02 05:18:34,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:34,300 INFO L225 Difference]: With dead ends: 3969 [2019-10-02 05:18:34,300 INFO L226 Difference]: Without dead ends: 2609 [2019-10-02 05:18:34,315 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:34,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2019-10-02 05:18:34,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2605. [2019-10-02 05:18:34,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2019-10-02 05:18:34,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3439 transitions. [2019-10-02 05:18:34,635 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3439 transitions. Word has length 82 [2019-10-02 05:18:34,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:34,636 INFO L475 AbstractCegarLoop]: Abstraction has 2605 states and 3439 transitions. [2019-10-02 05:18:34,636 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:18:34,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3439 transitions. [2019-10-02 05:18:34,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-02 05:18:34,644 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:34,645 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:18:34,645 INFO L418 AbstractCegarLoop]: === Iteration 2 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:34,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:34,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2102214711, now seen corresponding path program 1 times [2019-10-02 05:18:34,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:34,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:34,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:34,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:34,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-02 05:18:34,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:34,945 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:18:34,946 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:18:34,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:18:34,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:34,947 INFO L87 Difference]: Start difference. First operand 2605 states and 3439 transitions. Second operand 3 states. [2019-10-02 05:18:37,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:37,606 INFO L93 Difference]: Finished difference Result 4944 states and 6532 transitions. [2019-10-02 05:18:37,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:18:37,606 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-10-02 05:18:37,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:37,627 INFO L225 Difference]: With dead ends: 4944 [2019-10-02 05:18:37,627 INFO L226 Difference]: Without dead ends: 2370 [2019-10-02 05:18:37,640 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:37,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2019-10-02 05:18:37,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2343. [2019-10-02 05:18:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2343 states. [2019-10-02 05:18:37,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3064 transitions. [2019-10-02 05:18:37,746 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3064 transitions. Word has length 109 [2019-10-02 05:18:37,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:37,746 INFO L475 AbstractCegarLoop]: Abstraction has 2343 states and 3064 transitions. [2019-10-02 05:18:37,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:18:37,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3064 transitions. [2019-10-02 05:18:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-02 05:18:37,751 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:37,751 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:18:37,752 INFO L418 AbstractCegarLoop]: === Iteration 3 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:37,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:37,752 INFO L82 PathProgramCache]: Analyzing trace with hash -358759756, now seen corresponding path program 1 times [2019-10-02 05:18:37,752 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:37,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:37,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:37,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:37,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-02 05:18:38,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:38,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:18:38,073 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:18:38,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:18:38,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:38,074 INFO L87 Difference]: Start difference. First operand 2343 states and 3064 transitions. Second operand 3 states. [2019-10-02 05:18:40,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:40,620 INFO L93 Difference]: Finished difference Result 6317 states and 8271 transitions. [2019-10-02 05:18:40,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:18:40,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-02 05:18:40,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:40,650 INFO L225 Difference]: With dead ends: 6317 [2019-10-02 05:18:40,650 INFO L226 Difference]: Without dead ends: 4005 [2019-10-02 05:18:40,661 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:40,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2019-10-02 05:18:40,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 3981. [2019-10-02 05:18:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3981 states. [2019-10-02 05:18:40,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 5198 transitions. [2019-10-02 05:18:40,848 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 5198 transitions. Word has length 153 [2019-10-02 05:18:40,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:40,848 INFO L475 AbstractCegarLoop]: Abstraction has 3981 states and 5198 transitions. [2019-10-02 05:18:40,848 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:18:40,849 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 5198 transitions. [2019-10-02 05:18:40,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-02 05:18:40,851 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:40,851 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:40,852 INFO L418 AbstractCegarLoop]: === Iteration 4 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:40,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:40,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1858351784, now seen corresponding path program 1 times [2019-10-02 05:18:40,852 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:40,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:40,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:40,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:40,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:41,137 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-02 05:18:41,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:41,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:18:41,138 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:18:41,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:18:41,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:41,139 INFO L87 Difference]: Start difference. First operand 3981 states and 5198 transitions. Second operand 3 states. [2019-10-02 05:18:43,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:43,820 INFO L93 Difference]: Finished difference Result 10805 states and 14180 transitions. [2019-10-02 05:18:43,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:18:43,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-02 05:18:43,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:43,873 INFO L225 Difference]: With dead ends: 10805 [2019-10-02 05:18:43,873 INFO L226 Difference]: Without dead ends: 7221 [2019-10-02 05:18:43,892 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:43,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7221 states. [2019-10-02 05:18:44,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7221 to 7203. [2019-10-02 05:18:44,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7203 states. [2019-10-02 05:18:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7203 states to 7203 states and 9455 transitions. [2019-10-02 05:18:44,249 INFO L78 Accepts]: Start accepts. Automaton has 7203 states and 9455 transitions. Word has length 159 [2019-10-02 05:18:44,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:44,250 INFO L475 AbstractCegarLoop]: Abstraction has 7203 states and 9455 transitions. [2019-10-02 05:18:44,250 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:18:44,250 INFO L276 IsEmpty]: Start isEmpty. Operand 7203 states and 9455 transitions. [2019-10-02 05:18:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-02 05:18:44,254 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:44,254 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:44,254 INFO L418 AbstractCegarLoop]: === Iteration 5 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:44,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:44,255 INFO L82 PathProgramCache]: Analyzing trace with hash 52913450, now seen corresponding path program 1 times [2019-10-02 05:18:44,255 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:44,255 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:44,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:44,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:44,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-02 05:18:44,590 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:44,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:44,591 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:44,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:44,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:44,592 INFO L87 Difference]: Start difference. First operand 7203 states and 9455 transitions. Second operand 5 states. [2019-10-02 05:18:45,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:45,445 INFO L93 Difference]: Finished difference Result 7209 states and 9460 transitions. [2019-10-02 05:18:45,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:45,446 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-10-02 05:18:45,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:45,500 INFO L225 Difference]: With dead ends: 7209 [2019-10-02 05:18:45,500 INFO L226 Difference]: Without dead ends: 7207 [2019-10-02 05:18:45,507 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:45,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2019-10-02 05:18:45,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 7207. [2019-10-02 05:18:45,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7207 states. [2019-10-02 05:18:45,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7207 states to 7207 states and 9458 transitions. [2019-10-02 05:18:45,883 INFO L78 Accepts]: Start accepts. Automaton has 7207 states and 9458 transitions. Word has length 159 [2019-10-02 05:18:45,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:45,886 INFO L475 AbstractCegarLoop]: Abstraction has 7207 states and 9458 transitions. [2019-10-02 05:18:45,886 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:45,886 INFO L276 IsEmpty]: Start isEmpty. Operand 7207 states and 9458 transitions. [2019-10-02 05:18:45,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-02 05:18:45,893 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:45,893 INFO L411 BasicCegarLoop]: trace histogram [7, 7, 5, 5, 5, 5, 5, 5, 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] [2019-10-02 05:18:45,894 INFO L418 AbstractCegarLoop]: === Iteration 6 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:45,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:45,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1281577341, now seen corresponding path program 1 times [2019-10-02 05:18:45,894 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:45,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:45,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:45,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:45,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-10-02 05:18:46,199 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:46,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:18:46,200 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:18:46,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:18:46,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:46,201 INFO L87 Difference]: Start difference. First operand 7207 states and 9458 transitions. Second operand 3 states. [2019-10-02 05:18:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:48,984 INFO L93 Difference]: Finished difference Result 18710 states and 24628 transitions. [2019-10-02 05:18:48,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:18:48,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-02 05:18:48,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:49,084 INFO L225 Difference]: With dead ends: 18710 [2019-10-02 05:18:49,084 INFO L226 Difference]: Without dead ends: 11534 [2019-10-02 05:18:49,124 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:18:49,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11534 states. [2019-10-02 05:18:49,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11534 to 11494. [2019-10-02 05:18:49,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11494 states. [2019-10-02 05:18:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11494 states to 11494 states and 15110 transitions. [2019-10-02 05:18:49,784 INFO L78 Accepts]: Start accepts. Automaton has 11494 states and 15110 transitions. Word has length 170 [2019-10-02 05:18:49,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:49,785 INFO L475 AbstractCegarLoop]: Abstraction has 11494 states and 15110 transitions. [2019-10-02 05:18:49,785 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:18:49,785 INFO L276 IsEmpty]: Start isEmpty. Operand 11494 states and 15110 transitions. [2019-10-02 05:18:49,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-02 05:18:49,789 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:49,790 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:49,790 INFO L418 AbstractCegarLoop]: === Iteration 7 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:49,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:49,791 INFO L82 PathProgramCache]: Analyzing trace with hash 988846103, now seen corresponding path program 1 times [2019-10-02 05:18:49,791 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:49,791 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:49,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:49,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:49,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-02 05:18:50,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:50,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:50,054 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:50,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:50,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:50,055 INFO L87 Difference]: Start difference. First operand 11494 states and 15110 transitions. Second operand 5 states. [2019-10-02 05:18:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:50,411 INFO L93 Difference]: Finished difference Result 11500 states and 15115 transitions. [2019-10-02 05:18:50,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:50,411 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2019-10-02 05:18:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:50,488 INFO L225 Difference]: With dead ends: 11500 [2019-10-02 05:18:50,488 INFO L226 Difference]: Without dead ends: 11498 [2019-10-02 05:18:50,498 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:50,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11498 states. [2019-10-02 05:18:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11498 to 11498. [2019-10-02 05:18:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11498 states. [2019-10-02 05:18:51,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11498 states to 11498 states and 15113 transitions. [2019-10-02 05:18:51,175 INFO L78 Accepts]: Start accepts. Automaton has 11498 states and 15113 transitions. Word has length 164 [2019-10-02 05:18:51,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:51,177 INFO L475 AbstractCegarLoop]: Abstraction has 11498 states and 15113 transitions. [2019-10-02 05:18:51,177 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:51,178 INFO L276 IsEmpty]: Start isEmpty. Operand 11498 states and 15113 transitions. [2019-10-02 05:18:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-02 05:18:51,181 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:51,181 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 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] [2019-10-02 05:18:51,181 INFO L418 AbstractCegarLoop]: === Iteration 8 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:51,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:51,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1604339978, now seen corresponding path program 1 times [2019-10-02 05:18:51,182 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:51,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:51,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:51,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:51,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-10-02 05:18:52,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:52,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:52,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:52,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:52,162 INFO L87 Difference]: Start difference. First operand 11498 states and 15113 transitions. Second operand 5 states. [2019-10-02 05:18:52,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:52,538 INFO L93 Difference]: Finished difference Result 11504 states and 15118 transitions. [2019-10-02 05:18:52,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:52,539 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2019-10-02 05:18:52,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:52,593 INFO L225 Difference]: With dead ends: 11504 [2019-10-02 05:18:52,593 INFO L226 Difference]: Without dead ends: 11502 [2019-10-02 05:18:52,601 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:52,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11502 states. [2019-10-02 05:18:53,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11502 to 11502. [2019-10-02 05:18:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11502 states. [2019-10-02 05:18:53,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11502 states to 11502 states and 15116 transitions. [2019-10-02 05:18:53,119 INFO L78 Accepts]: Start accepts. Automaton has 11502 states and 15116 transitions. Word has length 169 [2019-10-02 05:18:53,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:53,120 INFO L475 AbstractCegarLoop]: Abstraction has 11502 states and 15116 transitions. [2019-10-02 05:18:53,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:53,120 INFO L276 IsEmpty]: Start isEmpty. Operand 11502 states and 15116 transitions. [2019-10-02 05:18:53,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-02 05:18:53,123 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:53,123 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2019-10-02 05:18:53,124 INFO L418 AbstractCegarLoop]: === Iteration 9 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:53,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:53,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1006284873, now seen corresponding path program 1 times [2019-10-02 05:18:53,124 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:53,124 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:53,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:53,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:53,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:53,421 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-02 05:18:53,422 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:53,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:53,423 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:53,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:53,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:53,425 INFO L87 Difference]: Start difference. First operand 11502 states and 15116 transitions. Second operand 5 states. [2019-10-02 05:18:53,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:53,932 INFO L93 Difference]: Finished difference Result 11770 states and 15342 transitions. [2019-10-02 05:18:53,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:53,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2019-10-02 05:18:53,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:53,979 INFO L225 Difference]: With dead ends: 11770 [2019-10-02 05:18:53,979 INFO L226 Difference]: Without dead ends: 11768 [2019-10-02 05:18:53,985 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:53,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11768 states. [2019-10-02 05:18:54,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11768 to 11766. [2019-10-02 05:18:54,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11766 states. [2019-10-02 05:18:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 15339 transitions. [2019-10-02 05:18:54,534 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 15339 transitions. Word has length 174 [2019-10-02 05:18:54,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:54,535 INFO L475 AbstractCegarLoop]: Abstraction has 11766 states and 15339 transitions. [2019-10-02 05:18:54,535 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 15339 transitions. [2019-10-02 05:18:54,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-02 05:18:54,539 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:54,539 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:54,539 INFO L418 AbstractCegarLoop]: === Iteration 10 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:54,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:54,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1155037974, now seen corresponding path program 1 times [2019-10-02 05:18:54,540 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:54,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:54,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:54,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:54,551 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:54,788 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-10-02 05:18:54,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:54,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:54,790 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:54,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:54,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:54,790 INFO L87 Difference]: Start difference. First operand 11766 states and 15339 transitions. Second operand 5 states. [2019-10-02 05:18:55,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:55,175 INFO L93 Difference]: Finished difference Result 11772 states and 15344 transitions. [2019-10-02 05:18:55,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:55,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2019-10-02 05:18:55,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:55,229 INFO L225 Difference]: With dead ends: 11772 [2019-10-02 05:18:55,229 INFO L226 Difference]: Without dead ends: 11770 [2019-10-02 05:18:55,237 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:55,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11770 states. [2019-10-02 05:18:55,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11770 to 11770. [2019-10-02 05:18:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11770 states. [2019-10-02 05:18:55,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11770 states to 11770 states and 15342 transitions. [2019-10-02 05:18:55,820 INFO L78 Accepts]: Start accepts. Automaton has 11770 states and 15342 transitions. Word has length 179 [2019-10-02 05:18:55,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:55,822 INFO L475 AbstractCegarLoop]: Abstraction has 11770 states and 15342 transitions. [2019-10-02 05:18:55,822 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:55,822 INFO L276 IsEmpty]: Start isEmpty. Operand 11770 states and 15342 transitions. [2019-10-02 05:18:55,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-02 05:18:55,826 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:55,827 INFO L411 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:55,827 INFO L418 AbstractCegarLoop]: === Iteration 11 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:55,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:55,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1321029801, now seen corresponding path program 1 times [2019-10-02 05:18:55,828 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:55,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:55,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:55,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:56,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:56,275 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-10-02 05:18:56,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:56,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:56,276 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:56,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:56,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:56,277 INFO L87 Difference]: Start difference. First operand 11770 states and 15342 transitions. Second operand 5 states. [2019-10-02 05:18:56,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:56,703 INFO L93 Difference]: Finished difference Result 12610 states and 16282 transitions. [2019-10-02 05:18:56,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:56,704 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2019-10-02 05:18:56,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:56,765 INFO L225 Difference]: With dead ends: 12610 [2019-10-02 05:18:56,765 INFO L226 Difference]: Without dead ends: 12608 [2019-10-02 05:18:56,774 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:56,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2019-10-02 05:18:57,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12606. [2019-10-02 05:18:57,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12606 states. [2019-10-02 05:18:57,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12606 states to 12606 states and 16279 transitions. [2019-10-02 05:18:57,605 INFO L78 Accepts]: Start accepts. Automaton has 12606 states and 16279 transitions. Word has length 184 [2019-10-02 05:18:57,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:57,606 INFO L475 AbstractCegarLoop]: Abstraction has 12606 states and 16279 transitions. [2019-10-02 05:18:57,606 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 12606 states and 16279 transitions. [2019-10-02 05:18:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-02 05:18:57,611 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:57,611 INFO L411 BasicCegarLoop]: trace histogram [7, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:57,612 INFO L418 AbstractCegarLoop]: === Iteration 12 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:57,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:57,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1179707190, now seen corresponding path program 1 times [2019-10-02 05:18:57,612 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:57,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:57,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:57,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:57,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:57,871 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-10-02 05:18:57,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:57,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:57,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:57,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:57,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:57,873 INFO L87 Difference]: Start difference. First operand 12606 states and 16279 transitions. Second operand 5 states. [2019-10-02 05:18:58,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:18:58,428 INFO L93 Difference]: Finished difference Result 12612 states and 16284 transitions. [2019-10-02 05:18:58,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:18:58,429 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2019-10-02 05:18:58,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:18:58,490 INFO L225 Difference]: With dead ends: 12612 [2019-10-02 05:18:58,490 INFO L226 Difference]: Without dead ends: 12608 [2019-10-02 05:18:58,498 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:18:58,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2019-10-02 05:18:59,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12608. [2019-10-02 05:18:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12608 states. [2019-10-02 05:18:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 16280 transitions. [2019-10-02 05:18:59,144 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 16280 transitions. Word has length 189 [2019-10-02 05:18:59,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:18:59,144 INFO L475 AbstractCegarLoop]: Abstraction has 12608 states and 16280 transitions. [2019-10-02 05:18:59,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:18:59,144 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 16280 transitions. [2019-10-02 05:18:59,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-02 05:18:59,149 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:18:59,149 INFO L411 BasicCegarLoop]: trace histogram [8, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:18:59,149 INFO L418 AbstractCegarLoop]: === Iteration 13 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:18:59,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:18:59,150 INFO L82 PathProgramCache]: Analyzing trace with hash 100054775, now seen corresponding path program 1 times [2019-10-02 05:18:59,150 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:18:59,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:18:59,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:59,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:18:59,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:18:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:18:59,403 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-10-02 05:18:59,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:18:59,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:18:59,404 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:18:59,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:18:59,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:18:59,409 INFO L87 Difference]: Start difference. First operand 12608 states and 16280 transitions. Second operand 5 states. [2019-10-02 05:19:00,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:00,024 INFO L93 Difference]: Finished difference Result 12608 states and 16280 transitions. [2019-10-02 05:19:00,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:19:00,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2019-10-02 05:19:00,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:00,097 INFO L225 Difference]: With dead ends: 12608 [2019-10-02 05:19:00,097 INFO L226 Difference]: Without dead ends: 12271 [2019-10-02 05:19:00,110 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:19:00,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2019-10-02 05:19:01,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 12271. [2019-10-02 05:19:01,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12271 states. [2019-10-02 05:19:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12271 states to 12271 states and 15852 transitions. [2019-10-02 05:19:01,145 INFO L78 Accepts]: Start accepts. Automaton has 12271 states and 15852 transitions. Word has length 194 [2019-10-02 05:19:01,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:01,146 INFO L475 AbstractCegarLoop]: Abstraction has 12271 states and 15852 transitions. [2019-10-02 05:19:01,146 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:19:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 12271 states and 15852 transitions. [2019-10-02 05:19:01,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-02 05:19:01,150 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:01,150 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 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] [2019-10-02 05:19:01,150 INFO L418 AbstractCegarLoop]: === Iteration 14 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:19:01,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:01,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1517485834, now seen corresponding path program 1 times [2019-10-02 05:19:01,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:01,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:01,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:01,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:01,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-02 05:19:01,436 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:01,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:19:01,437 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:19:01,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:19:01,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:01,439 INFO L87 Difference]: Start difference. First operand 12271 states and 15852 transitions. Second operand 3 states. [2019-10-02 05:19:02,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:02,607 INFO L93 Difference]: Finished difference Result 27624 states and 35565 transitions. [2019-10-02 05:19:02,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:19:02,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-10-02 05:19:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:02,692 INFO L225 Difference]: With dead ends: 27624 [2019-10-02 05:19:02,692 INFO L226 Difference]: Without dead ends: 15429 [2019-10-02 05:19:02,760 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:02,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15429 states. [2019-10-02 05:19:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15429 to 15409. [2019-10-02 05:19:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15409 states. [2019-10-02 05:19:03,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15409 states to 15409 states and 19759 transitions. [2019-10-02 05:19:03,598 INFO L78 Accepts]: Start accepts. Automaton has 15409 states and 19759 transitions. Word has length 200 [2019-10-02 05:19:03,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:03,598 INFO L475 AbstractCegarLoop]: Abstraction has 15409 states and 19759 transitions. [2019-10-02 05:19:03,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:19:03,599 INFO L276 IsEmpty]: Start isEmpty. Operand 15409 states and 19759 transitions. [2019-10-02 05:19:03,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-02 05:19:03,603 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:03,603 INFO L411 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2019-10-02 05:19:03,603 INFO L418 AbstractCegarLoop]: === Iteration 15 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:19:03,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:03,604 INFO L82 PathProgramCache]: Analyzing trace with hash 120775393, now seen corresponding path program 1 times [2019-10-02 05:19:03,604 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:03,604 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:03,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:03,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:03,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-10-02 05:19:04,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:04,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-02 05:19:04,009 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-02 05:19:04,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-02 05:19:04,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:04,010 INFO L87 Difference]: Start difference. First operand 15409 states and 19759 transitions. Second operand 3 states. [2019-10-02 05:19:05,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:05,184 INFO L93 Difference]: Finished difference Result 32054 states and 40752 transitions. [2019-10-02 05:19:05,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-02 05:19:05,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-02 05:19:05,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:05,276 INFO L225 Difference]: With dead ends: 32054 [2019-10-02 05:19:05,276 INFO L226 Difference]: Without dead ends: 16721 [2019-10-02 05:19:05,342 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-02 05:19:05,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16721 states. [2019-10-02 05:19:06,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16721 to 16701. [2019-10-02 05:19:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16701 states. [2019-10-02 05:19:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16701 states to 16701 states and 21031 transitions. [2019-10-02 05:19:06,220 INFO L78 Accepts]: Start accepts. Automaton has 16701 states and 21031 transitions. Word has length 205 [2019-10-02 05:19:06,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:06,221 INFO L475 AbstractCegarLoop]: Abstraction has 16701 states and 21031 transitions. [2019-10-02 05:19:06,221 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-02 05:19:06,221 INFO L276 IsEmpty]: Start isEmpty. Operand 16701 states and 21031 transitions. [2019-10-02 05:19:06,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-10-02 05:19:06,229 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:06,230 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 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] [2019-10-02 05:19:06,230 INFO L418 AbstractCegarLoop]: === Iteration 16 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:19:06,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:06,231 INFO L82 PathProgramCache]: Analyzing trace with hash 705466665, now seen corresponding path program 1 times [2019-10-02 05:19:06,231 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:06,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:06,238 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:06,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:06,239 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:06,496 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-10-02 05:19:06,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:06,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:19:06,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:19:06,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:19:06,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:19:06,500 INFO L87 Difference]: Start difference. First operand 16701 states and 21031 transitions. Second operand 5 states. [2019-10-02 05:19:17,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:17,659 INFO L93 Difference]: Finished difference Result 36020 states and 45393 transitions. [2019-10-02 05:19:17,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:19:17,659 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2019-10-02 05:19:17,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:17,750 INFO L225 Difference]: With dead ends: 36020 [2019-10-02 05:19:17,750 INFO L226 Difference]: Without dead ends: 19395 [2019-10-02 05:19:17,802 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:19:17,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2019-10-02 05:19:19,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 19375. [2019-10-02 05:19:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19375 states. [2019-10-02 05:19:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19375 states to 19375 states and 24408 transitions. [2019-10-02 05:19:19,854 INFO L78 Accepts]: Start accepts. Automaton has 19375 states and 24408 transitions. Word has length 228 [2019-10-02 05:19:19,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:19,855 INFO L475 AbstractCegarLoop]: Abstraction has 19375 states and 24408 transitions. [2019-10-02 05:19:19,855 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:19:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 19375 states and 24408 transitions. [2019-10-02 05:19:19,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-10-02 05:19:19,862 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:19,862 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:19,863 INFO L418 AbstractCegarLoop]: === Iteration 17 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:19:19,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:19,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1024046822, now seen corresponding path program 1 times [2019-10-02 05:19:19,863 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:19,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:19,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:19,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:19,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:20,120 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-10-02 05:19:20,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:20,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:19:20,121 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:19:20,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:19:20,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:19:20,121 INFO L87 Difference]: Start difference. First operand 19375 states and 24408 transitions. Second operand 5 states. [2019-10-02 05:19:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:31,271 INFO L93 Difference]: Finished difference Result 41294 states and 52038 transitions. [2019-10-02 05:19:31,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:19:31,272 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-10-02 05:19:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:31,350 INFO L225 Difference]: With dead ends: 41294 [2019-10-02 05:19:31,350 INFO L226 Difference]: Without dead ends: 21995 [2019-10-02 05:19:31,395 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:19:31,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21995 states. [2019-10-02 05:19:32,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21995 to 21975. [2019-10-02 05:19:32,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21975 states. [2019-10-02 05:19:32,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 27668 transitions. [2019-10-02 05:19:32,328 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 27668 transitions. Word has length 234 [2019-10-02 05:19:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:32,329 INFO L475 AbstractCegarLoop]: Abstraction has 21975 states and 27668 transitions. [2019-10-02 05:19:32,329 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:19:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 27668 transitions. [2019-10-02 05:19:32,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-02 05:19:32,335 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:32,335 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:32,336 INFO L418 AbstractCegarLoop]: === Iteration 18 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:19:32,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:32,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1995896677, now seen corresponding path program 1 times [2019-10-02 05:19:32,336 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:32,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:32,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:32,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:32,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:32,634 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-10-02 05:19:32,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:32,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:19:32,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:19:32,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:19:32,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:19:32,637 INFO L87 Difference]: Start difference. First operand 21975 states and 27668 transitions. Second operand 5 states. [2019-10-02 05:19:44,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:19:44,063 INFO L93 Difference]: Finished difference Result 45445 states and 57244 transitions. [2019-10-02 05:19:44,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:19:44,064 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-10-02 05:19:44,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:19:44,185 INFO L225 Difference]: With dead ends: 45445 [2019-10-02 05:19:44,185 INFO L226 Difference]: Without dead ends: 23546 [2019-10-02 05:19:44,254 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:19:44,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23546 states. [2019-10-02 05:19:46,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23546 to 23526. [2019-10-02 05:19:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23526 states. [2019-10-02 05:19:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23526 states to 23526 states and 29606 transitions. [2019-10-02 05:19:49,241 INFO L78 Accepts]: Start accepts. Automaton has 23526 states and 29606 transitions. Word has length 232 [2019-10-02 05:19:49,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:19:49,242 INFO L475 AbstractCegarLoop]: Abstraction has 23526 states and 29606 transitions. [2019-10-02 05:19:49,242 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:19:49,243 INFO L276 IsEmpty]: Start isEmpty. Operand 23526 states and 29606 transitions. [2019-10-02 05:19:49,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-10-02 05:19:49,254 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:19:49,255 INFO L411 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:19:49,255 INFO L418 AbstractCegarLoop]: === Iteration 19 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:19:49,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:19:49,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1125585337, now seen corresponding path program 1 times [2019-10-02 05:19:49,256 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:19:49,257 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:19:49,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:49,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:19:49,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:19:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:19:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-10-02 05:19:49,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:19:49,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:19:49,622 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:19:49,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:19:49,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:19:49,622 INFO L87 Difference]: Start difference. First operand 23526 states and 29606 transitions. Second operand 5 states. [2019-10-02 05:20:00,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:00,597 INFO L93 Difference]: Finished difference Result 49548 states and 62535 transitions. [2019-10-02 05:20:00,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:20:00,599 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2019-10-02 05:20:00,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:00,694 INFO L225 Difference]: With dead ends: 49548 [2019-10-02 05:20:00,694 INFO L226 Difference]: Without dead ends: 26098 [2019-10-02 05:20:00,751 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:20:00,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26098 states. [2019-10-02 05:20:01,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26098 to 26078. [2019-10-02 05:20:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26078 states. [2019-10-02 05:20:01,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26078 states to 26078 states and 32953 transitions. [2019-10-02 05:20:01,967 INFO L78 Accepts]: Start accepts. Automaton has 26078 states and 32953 transitions. Word has length 241 [2019-10-02 05:20:01,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:20:01,968 INFO L475 AbstractCegarLoop]: Abstraction has 26078 states and 32953 transitions. [2019-10-02 05:20:01,968 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:20:01,968 INFO L276 IsEmpty]: Start isEmpty. Operand 26078 states and 32953 transitions. [2019-10-02 05:20:01,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-10-02 05:20:01,982 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:20:01,984 INFO L411 BasicCegarLoop]: trace histogram [9, 9, 7, 7, 7, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:20:01,984 INFO L418 AbstractCegarLoop]: === Iteration 20 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:20:01,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:20:01,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1863303, now seen corresponding path program 1 times [2019-10-02 05:20:01,985 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:20:01,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:20:01,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:01,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:01,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:02,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2019-10-02 05:20:02,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:20:02,311 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:20:02,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:03,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-02 05:20:03,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:20:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2019-10-02 05:20:03,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 05:20:03,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-10-02 05:20:03,786 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 05:20:03,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 05:20:03,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 05:20:03,787 INFO L87 Difference]: Start difference. First operand 26078 states and 32953 transitions. Second operand 6 states. [2019-10-02 05:20:14,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:14,886 INFO L93 Difference]: Finished difference Result 54311 states and 68884 transitions. [2019-10-02 05:20:14,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 05:20:14,886 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 340 [2019-10-02 05:20:14,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:14,997 INFO L225 Difference]: With dead ends: 54311 [2019-10-02 05:20:14,997 INFO L226 Difference]: Without dead ends: 28309 [2019-10-02 05:20:15,052 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-10-02 05:20:15,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28309 states. [2019-10-02 05:20:16,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28309 to 28269. [2019-10-02 05:20:16,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28269 states. [2019-10-02 05:20:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28269 states to 28269 states and 34447 transitions. [2019-10-02 05:20:16,764 INFO L78 Accepts]: Start accepts. Automaton has 28269 states and 34447 transitions. Word has length 340 [2019-10-02 05:20:16,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:20:16,765 INFO L475 AbstractCegarLoop]: Abstraction has 28269 states and 34447 transitions. [2019-10-02 05:20:16,765 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 05:20:16,765 INFO L276 IsEmpty]: Start isEmpty. Operand 28269 states and 34447 transitions. [2019-10-02 05:20:16,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-10-02 05:20:16,779 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:20:16,780 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:20:16,782 INFO L418 AbstractCegarLoop]: === Iteration 21 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:20:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:20:16,784 INFO L82 PathProgramCache]: Analyzing trace with hash -845671152, now seen corresponding path program 1 times [2019-10-02 05:20:16,784 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:20:16,784 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:20:16,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:16,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:16,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:17,123 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2019-10-02 05:20:17,124 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:20:17,124 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:20:17,404 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:18,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 4517 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:20:18,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:20:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 210 proven. 6 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-10-02 05:20:18,610 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:20:18,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:20:18,613 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:20:18,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:20:18,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:20:18,613 INFO L87 Difference]: Start difference. First operand 28269 states and 34447 transitions. Second operand 8 states. [2019-10-02 05:20:39,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:39,348 INFO L93 Difference]: Finished difference Result 61331 states and 74952 transitions. [2019-10-02 05:20:39,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 05:20:39,349 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 360 [2019-10-02 05:20:39,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:39,569 INFO L225 Difference]: With dead ends: 61331 [2019-10-02 05:20:39,569 INFO L226 Difference]: Without dead ends: 33141 [2019-10-02 05:20:39,695 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-02 05:20:39,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33141 states. [2019-10-02 05:20:42,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33141 to 33101. [2019-10-02 05:20:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33101 states. [2019-10-02 05:20:42,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33101 states to 33101 states and 40335 transitions. [2019-10-02 05:20:42,749 INFO L78 Accepts]: Start accepts. Automaton has 33101 states and 40335 transitions. Word has length 360 [2019-10-02 05:20:42,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:20:42,750 INFO L475 AbstractCegarLoop]: Abstraction has 33101 states and 40335 transitions. [2019-10-02 05:20:42,750 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:20:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 33101 states and 40335 transitions. [2019-10-02 05:20:42,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-10-02 05:20:42,764 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:20:42,766 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:20:42,766 INFO L418 AbstractCegarLoop]: === Iteration 22 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:20:42,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:20:42,767 INFO L82 PathProgramCache]: Analyzing trace with hash 805731472, now seen corresponding path program 1 times [2019-10-02 05:20:42,767 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:20:42,767 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:20:42,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:42,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:42,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2019-10-02 05:20:43,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:20:43,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:20:43,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:20:43,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:20:43,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:20:43,514 INFO L87 Difference]: Start difference. First operand 33101 states and 40335 transitions. Second operand 5 states. [2019-10-02 05:20:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:20:47,480 INFO L93 Difference]: Finished difference Result 68963 states and 84104 transitions. [2019-10-02 05:20:47,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-02 05:20:47,480 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 414 [2019-10-02 05:20:47,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:20:47,636 INFO L225 Difference]: With dead ends: 68963 [2019-10-02 05:20:47,636 INFO L226 Difference]: Without dead ends: 35941 [2019-10-02 05:20:47,721 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:20:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35941 states. [2019-10-02 05:20:49,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35941 to 35873. [2019-10-02 05:20:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35873 states. [2019-10-02 05:20:49,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35873 states to 35873 states and 43591 transitions. [2019-10-02 05:20:49,881 INFO L78 Accepts]: Start accepts. Automaton has 35873 states and 43591 transitions. Word has length 414 [2019-10-02 05:20:49,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:20:49,882 INFO L475 AbstractCegarLoop]: Abstraction has 35873 states and 43591 transitions. [2019-10-02 05:20:49,882 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:20:49,883 INFO L276 IsEmpty]: Start isEmpty. Operand 35873 states and 43591 transitions. [2019-10-02 05:20:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-10-02 05:20:49,893 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:20:49,893 INFO L411 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:20:49,894 INFO L418 AbstractCegarLoop]: === Iteration 23 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:20:49,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:20:49,894 INFO L82 PathProgramCache]: Analyzing trace with hash 931516114, now seen corresponding path program 1 times [2019-10-02 05:20:49,894 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:20:49,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:20:49,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:49,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:49,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:20:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2019-10-02 05:20:50,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:20:50,299 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:20:50,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:20:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:20:51,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 4686 conjuncts, 24 conjunts are in the unsatisfiable core [2019-10-02 05:20:51,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:20:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 251 proven. 12 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-10-02 05:20:52,146 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:20:52,146 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 19] total 23 [2019-10-02 05:20:52,147 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-02 05:20:52,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-02 05:20:52,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2019-10-02 05:20:52,148 INFO L87 Difference]: Start difference. First operand 35873 states and 43591 transitions. Second operand 23 states. [2019-10-02 05:22:51,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:22:51,052 INFO L93 Difference]: Finished difference Result 119548 states and 146289 transitions. [2019-10-02 05:22:51,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2019-10-02 05:22:51,053 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 415 [2019-10-02 05:22:51,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:22:51,434 INFO L225 Difference]: With dead ends: 119548 [2019-10-02 05:22:51,435 INFO L226 Difference]: Without dead ends: 83650 [2019-10-02 05:22:51,542 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=864, Invalid=5942, Unknown=0, NotChecked=0, Total=6806 [2019-10-02 05:22:51,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83650 states. [2019-10-02 05:22:55,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83650 to 80362. [2019-10-02 05:22:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80362 states. [2019-10-02 05:22:56,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80362 states to 80362 states and 97506 transitions. [2019-10-02 05:22:56,121 INFO L78 Accepts]: Start accepts. Automaton has 80362 states and 97506 transitions. Word has length 415 [2019-10-02 05:22:56,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:22:56,122 INFO L475 AbstractCegarLoop]: Abstraction has 80362 states and 97506 transitions. [2019-10-02 05:22:56,122 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-02 05:22:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 80362 states and 97506 transitions. [2019-10-02 05:22:56,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2019-10-02 05:22:56,149 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:22:56,150 INFO L411 BasicCegarLoop]: trace histogram [24, 24, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:22:56,150 INFO L418 AbstractCegarLoop]: === Iteration 24 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:22:56,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:22:56,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2050672746, now seen corresponding path program 1 times [2019-10-02 05:22:56,151 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:22:56,151 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:22:56,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:22:56,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:22:56,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:22:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:22:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 67 proven. 10 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2019-10-02 05:22:56,651 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:22:56,651 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:22:56,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:22:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:22:58,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 5356 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:22:58,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:22:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked. [2019-10-02 05:22:58,494 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:22:58,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:22:58,496 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:22:58,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:22:58,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:22:58,497 INFO L87 Difference]: Start difference. First operand 80362 states and 97506 transitions. Second operand 8 states. [2019-10-02 05:23:28,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:23:28,231 INFO L93 Difference]: Finished difference Result 161401 states and 195672 transitions. [2019-10-02 05:23:28,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-02 05:23:28,231 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 640 [2019-10-02 05:23:28,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:23:28,548 INFO L225 Difference]: With dead ends: 161401 [2019-10-02 05:23:28,548 INFO L226 Difference]: Without dead ends: 81118 [2019-10-02 05:23:28,724 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 645 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-10-02 05:23:28,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81118 states. [2019-10-02 05:23:32,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81118 to 81018. [2019-10-02 05:23:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81018 states. [2019-10-02 05:23:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81018 states to 81018 states and 97881 transitions. [2019-10-02 05:23:32,789 INFO L78 Accepts]: Start accepts. Automaton has 81018 states and 97881 transitions. Word has length 640 [2019-10-02 05:23:32,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:23:32,790 INFO L475 AbstractCegarLoop]: Abstraction has 81018 states and 97881 transitions. [2019-10-02 05:23:32,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:23:32,790 INFO L276 IsEmpty]: Start isEmpty. Operand 81018 states and 97881 transitions. [2019-10-02 05:23:32,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2019-10-02 05:23:32,807 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:23:32,807 INFO L411 BasicCegarLoop]: trace histogram [45, 45, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:23:32,808 INFO L418 AbstractCegarLoop]: === Iteration 25 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:23:32,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:23:32,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1430281598, now seen corresponding path program 1 times [2019-10-02 05:23:32,809 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:23:32,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:23:32,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:23:32,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:23:32,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:23:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:23:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 84 proven. 16 refuted. 0 times theorem prover too weak. 4102 trivial. 0 not checked. [2019-10-02 05:23:33,616 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:23:33,616 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:23:33,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:23:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:23:35,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 6295 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:23:35,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:23:37,879 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 1992 proven. 2 refuted. 0 times theorem prover too weak. 2208 trivial. 0 not checked. [2019-10-02 05:23:37,899 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:23:37,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-10-02 05:23:37,901 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:23:37,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:23:37,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:23:37,901 INFO L87 Difference]: Start difference. First operand 81018 states and 97881 transitions. Second operand 8 states. [2019-10-02 05:24:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:24:02,445 INFO L93 Difference]: Finished difference Result 168809 states and 203963 transitions. [2019-10-02 05:24:02,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-02 05:24:02,446 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 877 [2019-10-02 05:24:02,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:24:02,729 INFO L225 Difference]: With dead ends: 168809 [2019-10-02 05:24:02,730 INFO L226 Difference]: Without dead ends: 87662 [2019-10-02 05:24:02,861 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 895 GetRequests, 882 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2019-10-02 05:24:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87662 states. [2019-10-02 05:24:09,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87662 to 85526. [2019-10-02 05:24:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85526 states. [2019-10-02 05:24:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85526 states to 85526 states and 103101 transitions. [2019-10-02 05:24:09,674 INFO L78 Accepts]: Start accepts. Automaton has 85526 states and 103101 transitions. Word has length 877 [2019-10-02 05:24:09,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:24:09,675 INFO L475 AbstractCegarLoop]: Abstraction has 85526 states and 103101 transitions. [2019-10-02 05:24:09,675 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:24:09,675 INFO L276 IsEmpty]: Start isEmpty. Operand 85526 states and 103101 transitions. [2019-10-02 05:24:09,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-10-02 05:24:09,683 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:24:09,683 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:24:09,684 INFO L418 AbstractCegarLoop]: === Iteration 26 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:24:09,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:24:09,684 INFO L82 PathProgramCache]: Analyzing trace with hash 86174074, now seen corresponding path program 1 times [2019-10-02 05:24:09,685 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:24:09,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:24:09,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:09,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:09,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2019-10-02 05:24:10,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:24:10,688 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:24:11,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:12,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 5486 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-02 05:24:12,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:24:12,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2019-10-02 05:24:12,374 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 05:24:12,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2019-10-02 05:24:12,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-02 05:24:12,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-02 05:24:12,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-10-02 05:24:12,377 INFO L87 Difference]: Start difference. First operand 85526 states and 103101 transitions. Second operand 12 states. [2019-10-02 05:24:16,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:24:16,397 INFO L93 Difference]: Finished difference Result 172905 states and 210290 transitions. [2019-10-02 05:24:16,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-02 05:24:16,397 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 643 [2019-10-02 05:24:16,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:24:16,696 INFO L225 Difference]: With dead ends: 172905 [2019-10-02 05:24:16,696 INFO L226 Difference]: Without dead ends: 87458 [2019-10-02 05:24:16,818 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-10-02 05:24:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87458 states. [2019-10-02 05:24:23,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87458 to 85742. [2019-10-02 05:24:23,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85742 states. [2019-10-02 05:24:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85742 states to 85742 states and 103437 transitions. [2019-10-02 05:24:23,961 INFO L78 Accepts]: Start accepts. Automaton has 85742 states and 103437 transitions. Word has length 643 [2019-10-02 05:24:23,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:24:23,962 INFO L475 AbstractCegarLoop]: Abstraction has 85742 states and 103437 transitions. [2019-10-02 05:24:23,962 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-02 05:24:23,962 INFO L276 IsEmpty]: Start isEmpty. Operand 85742 states and 103437 transitions. [2019-10-02 05:24:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-10-02 05:24:23,975 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:24:23,976 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:24:23,976 INFO L418 AbstractCegarLoop]: === Iteration 27 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:24:23,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:24:23,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1105392889, now seen corresponding path program 1 times [2019-10-02 05:24:23,977 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:24:23,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:24:23,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:23,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:23,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2019-10-02 05:24:24,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:24:24,551 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:24:24,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:26,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 5489 conjuncts, 13 conjunts are in the unsatisfiable core [2019-10-02 05:24:26,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:24:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2019-10-02 05:24:26,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 05:24:26,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2019-10-02 05:24:26,335 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-02 05:24:26,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-02 05:24:26,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:24:26,336 INFO L87 Difference]: Start difference. First operand 85742 states and 103437 transitions. Second operand 7 states. [2019-10-02 05:24:30,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:24:30,508 INFO L93 Difference]: Finished difference Result 171573 states and 207794 transitions. [2019-10-02 05:24:30,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-02 05:24:30,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 643 [2019-10-02 05:24:30,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:24:30,784 INFO L225 Difference]: With dead ends: 171573 [2019-10-02 05:24:30,784 INFO L226 Difference]: Without dead ends: 85910 [2019-10-02 05:24:30,920 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 644 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:24:30,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85910 states. [2019-10-02 05:24:37,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85910 to 85870. [2019-10-02 05:24:37,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85870 states. [2019-10-02 05:24:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85870 states to 85870 states and 103597 transitions. [2019-10-02 05:24:38,119 INFO L78 Accepts]: Start accepts. Automaton has 85870 states and 103597 transitions. Word has length 643 [2019-10-02 05:24:38,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:24:38,120 INFO L475 AbstractCegarLoop]: Abstraction has 85870 states and 103597 transitions. [2019-10-02 05:24:38,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-02 05:24:38,120 INFO L276 IsEmpty]: Start isEmpty. Operand 85870 states and 103597 transitions. [2019-10-02 05:24:38,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-10-02 05:24:38,128 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:24:38,129 INFO L411 BasicCegarLoop]: trace histogram [14, 14, 12, 12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 6, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:24:38,129 INFO L418 AbstractCegarLoop]: === Iteration 28 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:24:38,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:24:38,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1672304922, now seen corresponding path program 2 times [2019-10-02 05:24:38,129 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:24:38,129 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:24:38,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:38,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:38,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2019-10-02 05:24:38,667 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:24:38,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:24:38,668 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:24:38,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:24:38,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:24:38,668 INFO L87 Difference]: Start difference. First operand 85870 states and 103597 transitions. Second operand 5 states. [2019-10-02 05:24:44,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:24:44,250 INFO L93 Difference]: Finished difference Result 85872 states and 103598 transitions. [2019-10-02 05:24:44,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:24:44,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 643 [2019-10-02 05:24:44,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:24:44,518 INFO L225 Difference]: With dead ends: 85872 [2019-10-02 05:24:44,518 INFO L226 Difference]: Without dead ends: 85175 [2019-10-02 05:24:44,559 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:24:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85175 states. [2019-10-02 05:24:50,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85175 to 85175. [2019-10-02 05:24:50,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85175 states. [2019-10-02 05:24:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85175 states to 85175 states and 102518 transitions. [2019-10-02 05:24:51,030 INFO L78 Accepts]: Start accepts. Automaton has 85175 states and 102518 transitions. Word has length 643 [2019-10-02 05:24:51,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:24:51,031 INFO L475 AbstractCegarLoop]: Abstraction has 85175 states and 102518 transitions. [2019-10-02 05:24:51,031 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:24:51,031 INFO L276 IsEmpty]: Start isEmpty. Operand 85175 states and 102518 transitions. [2019-10-02 05:24:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 845 [2019-10-02 05:24:51,046 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:24:51,047 INFO L411 BasicCegarLoop]: trace histogram [17, 17, 17, 14, 14, 11, 11, 8, 8, 8, 8, 8, 8, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:24:51,047 INFO L418 AbstractCegarLoop]: === Iteration 29 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:24:51,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:24:51,048 INFO L82 PathProgramCache]: Analyzing trace with hash 274688513, now seen corresponding path program 1 times [2019-10-02 05:24:51,048 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:24:51,048 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:24:51,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:51,056 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-10-02 05:24:51,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:24:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 1457 trivial. 0 not checked. [2019-10-02 05:24:52,195 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:24:52,195 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:24:52,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:24:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:24:53,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 6308 conjuncts, 9 conjunts are in the unsatisfiable core [2019-10-02 05:24:53,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:24:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2019-10-02 05:24:54,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-02 05:24:54,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-10-02 05:24:54,029 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-02 05:24:54,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-02 05:24:54,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-02 05:24:54,030 INFO L87 Difference]: Start difference. First operand 85175 states and 102518 transitions. Second operand 6 states. [2019-10-02 05:24:57,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:24:57,904 INFO L93 Difference]: Finished difference Result 170231 states and 205018 transitions. [2019-10-02 05:24:57,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:24:57,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 844 [2019-10-02 05:24:57,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:24:58,156 INFO L225 Difference]: With dead ends: 170231 [2019-10-02 05:24:58,157 INFO L226 Difference]: Without dead ends: 85135 [2019-10-02 05:24:58,280 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 850 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:24:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85135 states. [2019-10-02 05:25:06,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85135 to 85135. [2019-10-02 05:25:06,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85135 states. [2019-10-02 05:25:06,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85135 states to 85135 states and 102438 transitions. [2019-10-02 05:25:06,315 INFO L78 Accepts]: Start accepts. Automaton has 85135 states and 102438 transitions. Word has length 844 [2019-10-02 05:25:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:25:06,317 INFO L475 AbstractCegarLoop]: Abstraction has 85135 states and 102438 transitions. [2019-10-02 05:25:06,317 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-02 05:25:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 85135 states and 102438 transitions. [2019-10-02 05:25:06,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1388 [2019-10-02 05:25:06,349 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:25:06,350 INFO L411 BasicCegarLoop]: trace histogram [60, 60, 17, 17, 17, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:25:06,350 INFO L418 AbstractCegarLoop]: === Iteration 30 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:25:06,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:25:06,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1148167694, now seen corresponding path program 1 times [2019-10-02 05:25:06,351 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:25:06,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:25:06,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:25:06,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:25:06,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:25:06,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:25:07,794 INFO L134 CoverageAnalysis]: Checked inductivity of 7885 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 7860 trivial. 0 not checked. [2019-10-02 05:25:07,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-02 05:25:07,794 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-10-02 05:25:08,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:25:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:25:09,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 8253 conjuncts, 44 conjunts are in the unsatisfiable core [2019-10-02 05:25:09,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-02 05:25:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 7885 backedges. 147 proven. 399 refuted. 0 times theorem prover too weak. 7339 trivial. 0 not checked. [2019-10-02 05:25:10,616 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-10-02 05:25:10,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-10-02 05:25:10,619 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-02 05:25:10,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-02 05:25:10,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-10-02 05:25:10,620 INFO L87 Difference]: Start difference. First operand 85135 states and 102438 transitions. Second operand 8 states. [2019-10-02 05:25:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:25:23,612 INFO L93 Difference]: Finished difference Result 85735 states and 103238 transitions. [2019-10-02 05:25:23,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-02 05:25:23,613 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1387 [2019-10-02 05:25:23,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:25:23,867 INFO L225 Difference]: With dead ends: 85735 [2019-10-02 05:25:23,868 INFO L226 Difference]: Without dead ends: 85733 [2019-10-02 05:25:23,902 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 1408 GetRequests, 1398 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2019-10-02 05:25:23,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85733 states. [2019-10-02 05:25:28,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85733 to 85133. [2019-10-02 05:25:28,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85133 states. [2019-10-02 05:25:28,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85133 states to 85133 states and 102321 transitions. [2019-10-02 05:25:28,462 INFO L78 Accepts]: Start accepts. Automaton has 85133 states and 102321 transitions. Word has length 1387 [2019-10-02 05:25:28,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:25:28,463 INFO L475 AbstractCegarLoop]: Abstraction has 85133 states and 102321 transitions. [2019-10-02 05:25:28,463 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-02 05:25:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 85133 states and 102321 transitions. [2019-10-02 05:25:28,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1411 [2019-10-02 05:25:28,501 INFO L403 BasicCegarLoop]: Found error trace [2019-10-02 05:25:28,501 INFO L411 BasicCegarLoop]: trace histogram [60, 60, 18, 18, 18, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-02 05:25:28,502 INFO L418 AbstractCegarLoop]: === Iteration 31 === [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_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-02 05:25:28,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-02 05:25:28,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1263077022, now seen corresponding path program 1 times [2019-10-02 05:25:28,503 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-10-02 05:25:28,503 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-10-02 05:25:28,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:25:28,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-02 05:25:28,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-02 05:25:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-02 05:25:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 7967 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2019-10-02 05:25:30,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-02 05:25:30,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-02 05:25:30,634 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-02 05:25:30,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-02 05:25:30,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-02 05:25:30,635 INFO L87 Difference]: Start difference. First operand 85133 states and 102321 transitions. Second operand 5 states. [2019-10-02 05:25:36,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-02 05:25:36,952 INFO L93 Difference]: Finished difference Result 85133 states and 102321 transitions. [2019-10-02 05:25:36,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-02 05:25:36,952 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1410 [2019-10-02 05:25:36,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-02 05:25:36,965 INFO L225 Difference]: With dead ends: 85133 [2019-10-02 05:25:36,965 INFO L226 Difference]: Without dead ends: 0 [2019-10-02 05:25:37,107 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-02 05:25:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-02 05:25:37,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-02 05:25:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-02 05:25:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-02 05:25:37,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1410 [2019-10-02 05:25:37,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-02 05:25:37,120 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-02 05:25:37,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-02 05:25:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-02 05:25:37,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-02 05:25:37,125 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-02 05:25:38,920 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-10-02 05:25:45,364 WARN L191 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 1 [2019-10-02 05:25:46,503 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 94 [2019-10-02 05:27:49,995 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 528 DAG size of output: 54 [2019-10-02 05:27:50,757 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-10-02 05:27:51,600 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-10-02 05:27:53,468 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 421 DAG size of output: 50 [2019-10-02 05:27:53,835 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:27:54,330 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2019-10-02 05:27:54,653 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-10-02 05:27:54,893 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 42 [2019-10-02 05:27:55,000 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-10-02 05:27:55,110 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-10-02 05:27:55,467 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-10-02 05:27:55,968 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 1 [2019-10-02 05:27:56,278 WARN L191 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2019-10-02 05:27:57,681 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 365 DAG size of output: 51 [2019-10-02 05:27:58,168 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-10-02 05:27:59,066 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-10-02 05:27:59,239 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-10-02 05:28:02,205 WARN L191 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 351 DAG size of output: 50 [2019-10-02 05:28:02,545 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-10-02 05:28:03,674 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 211 DAG size of output: 53 [2019-10-02 05:28:05,061 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 133 DAG size of output: 48 [2019-10-02 05:28:05,194 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2019-10-02 05:28:05,813 WARN L191 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-10-02 05:28:06,556 WARN L191 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-10-02 05:28:07,081 WARN L191 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-10-02 05:28:07,253 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2019-10-02 05:28:11,175 WARN L191 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 476 DAG size of output: 40 [2019-10-02 05:28:12,028 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:28:12,266 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2019-10-02 05:28:12,537 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-10-02 05:28:12,894 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:28:13,098 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-10-02 05:28:14,022 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-10-02 05:28:15,281 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2019-10-02 05:28:17,477 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 529 DAG size of output: 57 [2019-10-02 05:28:17,617 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 1 [2019-10-02 05:28:20,922 WARN L191 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 365 DAG size of output: 65 [2019-10-02 05:28:21,264 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-10-02 05:28:21,873 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 40 [2019-10-02 05:28:22,564 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:28:22,730 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-10-02 05:28:24,682 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 420 DAG size of output: 53 [2019-10-02 05:28:26,801 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 418 DAG size of output: 60 [2019-10-02 05:28:26,996 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 1 [2019-10-02 05:28:29,004 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 420 DAG size of output: 53 [2019-10-02 05:28:29,690 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 35 [2019-10-02 05:28:30,424 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:28:30,727 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2019-10-02 05:28:31,265 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 30 [2019-10-02 05:28:31,515 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 46 [2019-10-02 05:28:31,899 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:28:34,405 WARN L191 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 369 DAG size of output: 70 [2019-10-02 05:28:34,546 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-10-02 05:28:37,562 WARN L191 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 364 DAG size of output: 65 [2019-10-02 05:28:38,308 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:28:39,154 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 54 [2019-10-02 05:28:41,135 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 529 DAG size of output: 33 [2019-10-02 05:28:41,256 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-10-02 05:28:42,000 WARN L191 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:28:42,777 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 33 [2019-10-02 05:28:44,163 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 350 DAG size of output: 66 [2019-10-02 05:28:44,308 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2019-10-02 05:28:46,227 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 530 DAG size of output: 33 [2019-10-02 05:28:47,154 WARN L191 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-10-02 05:28:47,889 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:28:49,132 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2019-10-02 05:28:49,811 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-10-02 05:28:50,521 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:28:51,036 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-10-02 05:28:51,741 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:28:52,576 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-10-02 05:28:53,275 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:28:54,001 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-10-02 05:28:54,978 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:28:55,498 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-10-02 05:28:57,671 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 420 DAG size of output: 53 [2019-10-02 05:28:57,904 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2019-10-02 05:28:58,051 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-10-02 05:28:58,840 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:29:01,780 WARN L191 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 573 DAG size of output: 70 [2019-10-02 05:29:02,564 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-10-02 05:29:03,625 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2019-10-02 05:29:04,293 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 33 [2019-10-02 05:29:04,533 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2019-10-02 05:29:05,000 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-10-02 05:29:05,937 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-10-02 05:29:06,456 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2019-10-02 05:29:09,357 WARN L191 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 340 DAG size of output: 53 [2019-10-02 05:29:10,440 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 50 [2019-10-02 05:29:10,604 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-10-02 05:29:11,188 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-10-02 05:29:11,749 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 1 [2019-10-02 05:29:12,263 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-10-02 05:29:12,762 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-10-02 05:29:13,546 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-10-02 05:29:14,501 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 32 [2019-10-02 05:29:17,970 WARN L191 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 369 DAG size of output: 69 [2019-10-02 05:29:22,188 WARN L191 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 373 DAG size of output: 69 [2019-10-02 05:29:25,220 WARN L191 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 361 DAG size of output: 67 [2019-10-02 05:29:25,627 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2019-10-02 05:29:25,999 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-10-02 05:29:26,256 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:29:28,331 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 419 DAG size of output: 57 [2019-10-02 05:29:29,216 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:29:29,932 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:29:30,631 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-10-02 05:29:30,884 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2019-10-02 05:29:31,395 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2019-10-02 05:29:31,658 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-10-02 05:29:32,180 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2019-10-02 05:29:32,852 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 36 [2019-10-02 05:29:33,800 WARN L191 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 33 [2019-10-02 05:29:34,669 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 33 [2019-10-02 05:29:35,437 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 36 [2019-10-02 05:29:35,833 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 57 [2019-10-02 05:29:36,627 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 35 [2019-10-02 05:29:37,142 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-10-02 05:29:37,322 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2019-10-02 05:29:37,628 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-10-02 05:29:37,893 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2019-10-02 05:29:38,059 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 1 [2019-10-02 05:29:39,946 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 530 DAG size of output: 33 [2019-10-02 05:29:40,802 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-10-02 05:29:41,488 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:29:44,309 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 340 DAG size of output: 53 [2019-10-02 05:29:44,583 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-10-02 05:29:44,757 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 1 [2019-10-02 05:29:45,286 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 1 [2019-10-02 05:29:45,979 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:29:46,816 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-10-02 05:29:47,110 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:29:47,488 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-10-02 05:29:47,804 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2019-10-02 05:29:48,488 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-10-02 05:29:49,586 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 33 [2019-10-02 05:29:49,838 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-10-02 05:29:50,548 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:29:52,717 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 528 DAG size of output: 54 [2019-10-02 05:29:53,437 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-10-02 05:29:53,668 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 [2019-10-02 05:29:54,162 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2019-10-02 05:29:54,339 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 1 [2019-10-02 05:29:54,504 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-10-02 05:29:54,825 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-10-02 05:29:54,999 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-10-02 05:29:55,160 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-10-02 05:29:55,483 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2019-10-02 05:29:56,533 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-10-02 05:30:00,053 WARN L191 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 370 DAG size of output: 68 [2019-10-02 05:30:00,563 WARN L191 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2019-10-02 05:30:01,386 WARN L191 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-10-02 05:30:02,286 WARN L191 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 54 [2019-10-02 05:30:02,554 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-10-02 05:30:04,968 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 369 DAG size of output: 70 [2019-10-02 05:30:05,251 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-10-02 05:30:07,093 WARN L191 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 161 DAG size of output: 59 [2019-10-02 05:30:07,567 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-10-02 05:30:11,132 WARN L191 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 381 DAG size of output: 69 [2019-10-02 05:30:11,390 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2019-10-02 05:30:11,614 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 1 [2019-10-02 05:30:11,887 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-10-02 05:30:12,085 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 1 [2019-10-02 05:30:15,979 WARN L191 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 476 DAG size of output: 40 [2019-10-02 05:30:16,102 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2019-10-02 05:30:16,622 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-10-02 05:30:20,147 WARN L191 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 371 DAG size of output: 68 [2019-10-02 05:30:21,366 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2019-10-02 05:30:21,766 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2019-10-02 05:30:21,902 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54