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 0.1.24-112bae1 [2019-09-08 22:36:00,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 22:36:00,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 22:36:00,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 22:36:00,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 22:36:00,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 22:36:00,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 22:36:00,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 22:36:00,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 22:36:00,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 22:36:00,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 22:36:00,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 22:36:00,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 22:36:00,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 22:36:00,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 22:36:00,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 22:36:00,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 22:36:00,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 22:36:00,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 22:36:00,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 22:36:00,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 22:36:00,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 22:36:00,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 22:36:00,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 22:36:00,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 22:36:00,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 22:36:00,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 22:36:00,931 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 22:36:00,932 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 22:36:00,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 22:36:00,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 22:36:00,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 22:36:00,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 22:36:00,936 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 22:36:00,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 22:36:00,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 22:36:00,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 22:36:00,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 22:36:00,940 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 22:36:00,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 22:36:00,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 22:36:00,943 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 [2019-09-08 22:36:00,978 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 22:36:00,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 22:36:00,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 22:36:00,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 22:36:00,983 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 22:36:00,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 22:36:00,983 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 22:36:00,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 22:36:00,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 22:36:00,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 22:36:00,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 22:36:00,984 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 22:36:00,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 22:36:00,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 22:36:00,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 22:36:00,987 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 22:36:00,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 22:36:00,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 22:36:00,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 22:36:00,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 22:36:00,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 22:36:00,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 22:36:00,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 22:36:00,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 22:36:00,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 22:36:00,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 22:36:00,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 22:36:00,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 22:36:00,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 22:36:01,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 22:36:01,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 22:36:01,063 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 22:36:01,066 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 22:36:01,067 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 22:36:01,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-09-08 22:36:01,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12906d815/5f7efbe017e244dcae5ddef00672cb98/FLAG1b3723202 [2019-09-08 22:36:01,852 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 22:36:01,852 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-09-08 22:36:01,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12906d815/5f7efbe017e244dcae5ddef00672cb98/FLAG1b3723202 [2019-09-08 22:36:02,391 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12906d815/5f7efbe017e244dcae5ddef00672cb98 [2019-09-08 22:36:02,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 22:36:02,405 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 22:36:02,406 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 22:36:02,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 22:36:02,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 22:36:02,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:36:02" (1/1) ... [2019-09-08 22:36:02,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20438eb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:02, skipping insertion in model container [2019-09-08 22:36:02,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 10:36:02" (1/1) ... [2019-09-08 22:36:02,421 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 22:36:02,568 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 22:36:04,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:36:04,566 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 22:36:04,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 22:36:05,425 INFO L192 MainTranslator]: Completed translation [2019-09-08 22:36:05,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05 WrapperNode [2019-09-08 22:36:05,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 22:36:05,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 22:36:05,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 22:36:05,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 22:36:05,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,550 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,551 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (1/1) ... [2019-09-08 22:36:05,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 22:36:05,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 22:36:05,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 22:36:05,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 22:36:05,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (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 [2019-09-08 22:36:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 22:36:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 22:36:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:36:05,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:36:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 22:36:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 22:36:05,888 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 22:36:05,889 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-08 22:36:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-08 22:36:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-08 22:36:05,890 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-09-08 22:36:05,891 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-09-08 22:36:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-09-08 22:36:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-09-08 22:36:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-09-08 22:36:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq [2019-09-08 22:36:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq_valid [2019-09-08 22:36:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2019-09-08 22:36:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_set_drvdata [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ir_raw_event [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_reset [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2019-09-08 22:36:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_dump_regs [2019-09-08 22:36:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_wake_dump_regs [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_hw_detect [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_ldev_init [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_ldev_init [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2019-09-08 22:36:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_tx_carrier [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_tx_ir [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_dump_rx_buf [2019-09-08 22:36:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_handle_rx_fifo_overrun [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_log_irqs [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_isr [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_isr [2019-09-08 22:36:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_cir [2019-09-08 22:36:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2019-09-08 22:36:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_open [2019-09-08 22:36:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_close [2019-09-08 22:36:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_probe [2019-09-08 22:36:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_suspend [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_resume [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_init [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_exit [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2019-09-08 22:36:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nvt_init_8_7 [2019-09-08 22:36:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 22:36:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_2_9 [2019-09-08 22:36:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_probe_2_16 [2019-09-08 22:36:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_release_2_2 [2019-09-08 22:36:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_resume_2_5 [2019-09-08 22:36:05,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_suspend_2_7 [2019-09-08 22:36:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_6_1 [2019-09-08 22:36:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_3_1 [2019-09-08 22:36:05,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_4_2 [2019-09-08 22:36:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_5_2 [2019-09-08 22:36:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2019-09-08 22:36:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_8 [2019-09-08 22:36:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 22:36:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-09-08 22:36:05,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 22:36:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:36:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2019-09-08 22:36:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:36:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2019-09-08 22:36:05,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:36:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2019-09-08 22:36:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver [2019-09-08 22:36:05,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver [2019-09-08 22:36:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-09-08 22:36:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnp_driver_base_instance_2 [2019-09-08 22:36:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 22:36:05,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_10 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_19 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_25 [2019-09-08 22:36:05,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_26 [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_44 [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_46 [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_48 [2019-09-08 22:36:05,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_50 [2019-09-08 22:36:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_52 [2019-09-08 22:36:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_54 [2019-09-08 22:36:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_56 [2019-09-08 22:36:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_58 [2019-09-08 22:36:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2019-09-08 22:36:05,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2019-09-08 22:36:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2019-09-08 22:36:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_66 [2019-09-08 22:36:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_67 [2019-09-08 22:36:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_68 [2019-09-08 22:36:05,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2019-09-08 22:36:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_71 [2019-09-08 22:36:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2019-09-08 22:36:05,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2019-09-08 22:36:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_75 [2019-09-08 22:36:05,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver_77 [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver_78 [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 22:36:05,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 22:36:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 22:36:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 22:36:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 22:36:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 22:36:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 22:36:05,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 22:36:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 22:36:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 22:36:05,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 22:36:05,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 22:36:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 22:36:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 22:36:05,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 22:36:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 22:36:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 22:36:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 22:36:05,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 22:36:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 22:36:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 22:36:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 22:36:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 22:36:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 22:36:05,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:36:05,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:36:05,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 22:36:05,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 22:36:05,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:36:05,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 22:36:05,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 22:36:05,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-08 22:36:05,941 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store_with_filter [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-08 22:36:05,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2019-09-08 22:36:05,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 22:36:05,944 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 22:36:05,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 22:36:05,949 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-08 22:36:05,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 22:36:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 22:36:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 22:36:05,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 22:36:05,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_44 [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_46 [2019-09-08 22:36:05,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_48 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_50 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_52 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_54 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_56 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_58 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2019-09-08 22:36:05,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_75 [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 22:36:05,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 22:36:05,956 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 22:36:05,957 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-08 22:36:05,958 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_25 [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_26 [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-09-08 22:36:05,959 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq_valid [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_set_drvdata [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver_77 [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver_78 [2019-09-08 22:36:05,960 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_66 [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_67 [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_68 [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_71 [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-08 22:36:05,961 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure init_ir_raw_event [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2019-09-08 22:36:05,962 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store_with_filter [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_reset [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2019-09-08 22:36:05,963 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure cir_dump_regs [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure cir_wake_dump_regs [2019-09-08 22:36:05,964 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_hw_detect [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_ldev_init [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_ldev_init [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2019-09-08 22:36:05,965 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2019-09-08 22:36:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2019-09-08 22:36:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2019-09-08 22:36:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_tx_carrier [2019-09-08 22:36:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 22:36:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_tx_ir [2019-09-08 22:36:05,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 22:36:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_dump_rx_buf [2019-09-08 22:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2019-09-08 22:36:05,968 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_handle_rx_fifo_overrun [2019-09-08 22:36:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2019-09-08 22:36:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_log_irqs [2019-09-08 22:36:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2019-09-08 22:36:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_isr [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_isr [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_cir [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_open [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_close [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_probe [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_suspend [2019-09-08 22:36:05,970 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_resume [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_init [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_exit [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nvt_init_8_7 [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_2_9 [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_probe_2_16 [2019-09-08 22:36:05,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_release_2_2 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_resume_2_5 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_suspend_2_7 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_6_1 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_3_1 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_4_2 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_5_2 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_8 [2019-09-08 22:36:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2019-09-08 22:36:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnp_driver_base_instance_2 [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-09-08 22:36:05,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_10 [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_19 [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 22:36:05,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 22:36:05,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 22:36:05,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 22:36:05,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 22:36:05,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 22:36:05,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 22:36:05,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 22:36:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 22:36:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2019-09-08 22:36:05,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 22:36:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 22:36:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 22:36:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 22:36:06,930 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 22:36:15,098 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 22:36:15,449 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 22:36:15,449 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 22:36:15,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:36:15 BoogieIcfgContainer [2019-09-08 22:36:15,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 22:36:15,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 22:36:15,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 22:36:15,456 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 22:36:15,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 10:36:02" (1/3) ... [2019-09-08 22:36:15,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f455812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:36:15, skipping insertion in model container [2019-09-08 22:36:15,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 10:36:05" (2/3) ... [2019-09-08 22:36:15,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f455812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 10:36:15, skipping insertion in model container [2019-09-08 22:36:15,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 10:36:15" (3/3) ... [2019-09-08 22:36:15,460 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-09-08 22:36:15,469 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 22:36:15,480 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-08 22:36:15,497 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-08 22:36:15,539 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 22:36:15,540 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 22:36:15,540 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 22:36:15,540 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 22:36:15,540 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 22:36:15,540 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 22:36:15,541 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 22:36:15,541 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 22:36:15,541 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 22:36:15,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states. [2019-09-08 22:36:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-08 22:36:15,614 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:15,615 INFO L399 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] [2019-09-08 22:36:15,617 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]=== [2019-09-08 22:36:15,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:15,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1241316990, now seen corresponding path program 1 times [2019-09-08 22:36:15,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:15,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:15,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:15,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:15,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:16,578 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-08 22:36:16,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:16,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:16,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:16,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:16,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:16,629 INFO L87 Difference]: Start difference. First operand 1802 states. Second operand 3 states. [2019-09-08 22:36:19,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:19,359 INFO L93 Difference]: Finished difference Result 3969 states and 5379 transitions. [2019-09-08 22:36:19,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:19,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-09-08 22:36:19,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:19,397 INFO L225 Difference]: With dead ends: 3969 [2019-09-08 22:36:19,398 INFO L226 Difference]: Without dead ends: 2609 [2019-09-08 22:36:19,411 INFO L628 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 [2019-09-08 22:36:19,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2609 states. [2019-09-08 22:36:19,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2609 to 2605. [2019-09-08 22:36:19,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2605 states. [2019-09-08 22:36:19,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2605 states and 3439 transitions. [2019-09-08 22:36:19,683 INFO L78 Accepts]: Start accepts. Automaton has 2605 states and 3439 transitions. Word has length 82 [2019-09-08 22:36:19,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:19,684 INFO L475 AbstractCegarLoop]: Abstraction has 2605 states and 3439 transitions. [2019-09-08 22:36:19,684 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:19,684 INFO L276 IsEmpty]: Start isEmpty. Operand 2605 states and 3439 transitions. [2019-09-08 22:36:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-08 22:36:19,692 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:19,692 INFO L399 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] [2019-09-08 22:36:19,693 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]=== [2019-09-08 22:36:19,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:19,693 INFO L82 PathProgramCache]: Analyzing trace with hash -2102214711, now seen corresponding path program 1 times [2019-09-08 22:36:19,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:19,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:19,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:19,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:19,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:19,956 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-08 22:36:19,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:19,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:19,958 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:19,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:19,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:19,959 INFO L87 Difference]: Start difference. First operand 2605 states and 3439 transitions. Second operand 3 states. [2019-09-08 22:36:22,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:22,551 INFO L93 Difference]: Finished difference Result 4944 states and 6532 transitions. [2019-09-08 22:36:22,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:22,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-09-08 22:36:22,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:22,579 INFO L225 Difference]: With dead ends: 4944 [2019-09-08 22:36:22,579 INFO L226 Difference]: Without dead ends: 2370 [2019-09-08 22:36:22,602 INFO L628 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 [2019-09-08 22:36:22,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2019-09-08 22:36:22,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2343. [2019-09-08 22:36:22,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2343 states. [2019-09-08 22:36:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2343 states to 2343 states and 3064 transitions. [2019-09-08 22:36:22,786 INFO L78 Accepts]: Start accepts. Automaton has 2343 states and 3064 transitions. Word has length 109 [2019-09-08 22:36:22,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:22,790 INFO L475 AbstractCegarLoop]: Abstraction has 2343 states and 3064 transitions. [2019-09-08 22:36:22,790 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:22,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 3064 transitions. [2019-09-08 22:36:22,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-08 22:36:22,805 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:22,805 INFO L399 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] [2019-09-08 22:36:22,806 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]=== [2019-09-08 22:36:22,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:22,806 INFO L82 PathProgramCache]: Analyzing trace with hash -358759756, now seen corresponding path program 1 times [2019-09-08 22:36:22,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:22,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:22,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:22,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:22,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:23,248 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-08 22:36:23,249 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:23,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:23,251 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:23,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:23,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:23,252 INFO L87 Difference]: Start difference. First operand 2343 states and 3064 transitions. Second operand 3 states. [2019-09-08 22:36:25,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:25,913 INFO L93 Difference]: Finished difference Result 6317 states and 8271 transitions. [2019-09-08 22:36:25,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:25,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-08 22:36:25,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:25,959 INFO L225 Difference]: With dead ends: 6317 [2019-09-08 22:36:25,960 INFO L226 Difference]: Without dead ends: 4005 [2019-09-08 22:36:25,973 INFO L628 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 [2019-09-08 22:36:25,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4005 states. [2019-09-08 22:36:26,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4005 to 3981. [2019-09-08 22:36:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3981 states. [2019-09-08 22:36:26,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 5198 transitions. [2019-09-08 22:36:26,202 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 5198 transitions. Word has length 153 [2019-09-08 22:36:26,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:26,203 INFO L475 AbstractCegarLoop]: Abstraction has 3981 states and 5198 transitions. [2019-09-08 22:36:26,203 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:26,203 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 5198 transitions. [2019-09-08 22:36:26,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-08 22:36:26,208 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:26,208 INFO L399 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] [2019-09-08 22:36:26,208 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]=== [2019-09-08 22:36:26,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:26,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1858351784, now seen corresponding path program 1 times [2019-09-08 22:36:26,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:26,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:26,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:26,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:26,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 22:36:26,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:26,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:26,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:26,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:26,448 INFO L87 Difference]: Start difference. First operand 3981 states and 5198 transitions. Second operand 3 states. [2019-09-08 22:36:28,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:28,956 INFO L93 Difference]: Finished difference Result 10805 states and 14180 transitions. [2019-09-08 22:36:28,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:28,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-08 22:36:28,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:29,023 INFO L225 Difference]: With dead ends: 10805 [2019-09-08 22:36:29,024 INFO L226 Difference]: Without dead ends: 7221 [2019-09-08 22:36:29,049 INFO L628 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 [2019-09-08 22:36:29,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7221 states. [2019-09-08 22:36:29,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7221 to 7203. [2019-09-08 22:36:29,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7203 states. [2019-09-08 22:36:29,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7203 states to 7203 states and 9455 transitions. [2019-09-08 22:36:29,487 INFO L78 Accepts]: Start accepts. Automaton has 7203 states and 9455 transitions. Word has length 159 [2019-09-08 22:36:29,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:29,488 INFO L475 AbstractCegarLoop]: Abstraction has 7203 states and 9455 transitions. [2019-09-08 22:36:29,488 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:29,488 INFO L276 IsEmpty]: Start isEmpty. Operand 7203 states and 9455 transitions. [2019-09-08 22:36:29,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-08 22:36:29,494 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:29,495 INFO L399 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] [2019-09-08 22:36:29,495 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]=== [2019-09-08 22:36:29,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:29,496 INFO L82 PathProgramCache]: Analyzing trace with hash 52913450, now seen corresponding path program 1 times [2019-09-08 22:36:29,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:29,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:29,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:29,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:29,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:29,883 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-08 22:36:29,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:29,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:29,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:29,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:29,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:29,885 INFO L87 Difference]: Start difference. First operand 7203 states and 9455 transitions. Second operand 5 states. [2019-09-08 22:36:30,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:30,142 INFO L93 Difference]: Finished difference Result 7209 states and 9460 transitions. [2019-09-08 22:36:30,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:30,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-09-08 22:36:30,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:30,193 INFO L225 Difference]: With dead ends: 7209 [2019-09-08 22:36:30,194 INFO L226 Difference]: Without dead ends: 7207 [2019-09-08 22:36:30,200 INFO L628 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 [2019-09-08 22:36:30,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7207 states. [2019-09-08 22:36:30,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7207 to 7207. [2019-09-08 22:36:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7207 states. [2019-09-08 22:36:30,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7207 states to 7207 states and 9458 transitions. [2019-09-08 22:36:30,672 INFO L78 Accepts]: Start accepts. Automaton has 7207 states and 9458 transitions. Word has length 159 [2019-09-08 22:36:30,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:30,675 INFO L475 AbstractCegarLoop]: Abstraction has 7207 states and 9458 transitions. [2019-09-08 22:36:30,676 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:30,676 INFO L276 IsEmpty]: Start isEmpty. Operand 7207 states and 9458 transitions. [2019-09-08 22:36:30,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-08 22:36:30,680 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:30,680 INFO L399 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] [2019-09-08 22:36:30,681 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]=== [2019-09-08 22:36:30,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:30,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1281577341, now seen corresponding path program 1 times [2019-09-08 22:36:30,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:30,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:30,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:30,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:30,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:30,985 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-09-08 22:36:30,986 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:30,986 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:30,987 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:30,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:30,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:30,987 INFO L87 Difference]: Start difference. First operand 7207 states and 9458 transitions. Second operand 3 states. [2019-09-08 22:36:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:33,939 INFO L93 Difference]: Finished difference Result 18710 states and 24628 transitions. [2019-09-08 22:36:33,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:33,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-09-08 22:36:33,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:34,024 INFO L225 Difference]: With dead ends: 18710 [2019-09-08 22:36:34,024 INFO L226 Difference]: Without dead ends: 11534 [2019-09-08 22:36:34,054 INFO L628 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 [2019-09-08 22:36:34,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11534 states. [2019-09-08 22:36:34,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11534 to 11494. [2019-09-08 22:36:34,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11494 states. [2019-09-08 22:36:34,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11494 states to 11494 states and 15110 transitions. [2019-09-08 22:36:34,607 INFO L78 Accepts]: Start accepts. Automaton has 11494 states and 15110 transitions. Word has length 170 [2019-09-08 22:36:34,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:34,608 INFO L475 AbstractCegarLoop]: Abstraction has 11494 states and 15110 transitions. [2019-09-08 22:36:34,608 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 11494 states and 15110 transitions. [2019-09-08 22:36:34,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-08 22:36:34,611 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:34,611 INFO L399 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] [2019-09-08 22:36:34,611 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]=== [2019-09-08 22:36:34,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:34,612 INFO L82 PathProgramCache]: Analyzing trace with hash 988846103, now seen corresponding path program 1 times [2019-09-08 22:36:34,612 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:34,612 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:34,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:34,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:34,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:34,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:34,833 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-08 22:36:34,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:34,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:34,834 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:34,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:34,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:34,835 INFO L87 Difference]: Start difference. First operand 11494 states and 15110 transitions. Second operand 5 states. [2019-09-08 22:36:35,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:35,323 INFO L93 Difference]: Finished difference Result 11500 states and 15115 transitions. [2019-09-08 22:36:35,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:35,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2019-09-08 22:36:35,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:35,375 INFO L225 Difference]: With dead ends: 11500 [2019-09-08 22:36:35,376 INFO L226 Difference]: Without dead ends: 11498 [2019-09-08 22:36:35,383 INFO L628 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 [2019-09-08 22:36:35,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11498 states. [2019-09-08 22:36:35,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11498 to 11498. [2019-09-08 22:36:35,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11498 states. [2019-09-08 22:36:35,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11498 states to 11498 states and 15113 transitions. [2019-09-08 22:36:35,907 INFO L78 Accepts]: Start accepts. Automaton has 11498 states and 15113 transitions. Word has length 164 [2019-09-08 22:36:35,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:35,910 INFO L475 AbstractCegarLoop]: Abstraction has 11498 states and 15113 transitions. [2019-09-08 22:36:35,910 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:35,910 INFO L276 IsEmpty]: Start isEmpty. Operand 11498 states and 15113 transitions. [2019-09-08 22:36:35,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-09-08 22:36:35,913 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:35,913 INFO L399 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] [2019-09-08 22:36:35,913 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]=== [2019-09-08 22:36:35,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:35,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1604339978, now seen corresponding path program 1 times [2019-09-08 22:36:35,914 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:35,914 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:35,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:35,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:35,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:36,154 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-08 22:36:36,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:36,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:36,155 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:36,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:36,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:36,156 INFO L87 Difference]: Start difference. First operand 11498 states and 15113 transitions. Second operand 5 states. [2019-09-08 22:36:36,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:36,565 INFO L93 Difference]: Finished difference Result 11504 states and 15118 transitions. [2019-09-08 22:36:36,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:36,566 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2019-09-08 22:36:36,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:36,627 INFO L225 Difference]: With dead ends: 11504 [2019-09-08 22:36:36,628 INFO L226 Difference]: Without dead ends: 11502 [2019-09-08 22:36:36,637 INFO L628 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 [2019-09-08 22:36:36,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11502 states. [2019-09-08 22:36:37,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11502 to 11502. [2019-09-08 22:36:37,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11502 states. [2019-09-08 22:36:37,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11502 states to 11502 states and 15116 transitions. [2019-09-08 22:36:37,247 INFO L78 Accepts]: Start accepts. Automaton has 11502 states and 15116 transitions. Word has length 169 [2019-09-08 22:36:37,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:37,248 INFO L475 AbstractCegarLoop]: Abstraction has 11502 states and 15116 transitions. [2019-09-08 22:36:37,248 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:37,248 INFO L276 IsEmpty]: Start isEmpty. Operand 11502 states and 15116 transitions. [2019-09-08 22:36:37,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-08 22:36:37,251 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:37,251 INFO L399 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] [2019-09-08 22:36:37,251 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]=== [2019-09-08 22:36:37,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:37,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1006284873, now seen corresponding path program 1 times [2019-09-08 22:36:37,252 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:37,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:37,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:37,255 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:37,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:37,458 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-09-08 22:36:37,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:37,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:37,459 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:37,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:37,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:37,460 INFO L87 Difference]: Start difference. First operand 11502 states and 15116 transitions. Second operand 5 states. [2019-09-08 22:36:37,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:37,805 INFO L93 Difference]: Finished difference Result 11770 states and 15342 transitions. [2019-09-08 22:36:37,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:37,806 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2019-09-08 22:36:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:37,862 INFO L225 Difference]: With dead ends: 11770 [2019-09-08 22:36:37,863 INFO L226 Difference]: Without dead ends: 11768 [2019-09-08 22:36:37,872 INFO L628 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 [2019-09-08 22:36:37,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11768 states. [2019-09-08 22:36:39,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11768 to 11766. [2019-09-08 22:36:39,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11766 states. [2019-09-08 22:36:39,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11766 states to 11766 states and 15339 transitions. [2019-09-08 22:36:39,151 INFO L78 Accepts]: Start accepts. Automaton has 11766 states and 15339 transitions. Word has length 174 [2019-09-08 22:36:39,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:39,151 INFO L475 AbstractCegarLoop]: Abstraction has 11766 states and 15339 transitions. [2019-09-08 22:36:39,152 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 11766 states and 15339 transitions. [2019-09-08 22:36:39,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-08 22:36:39,155 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:39,156 INFO L399 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] [2019-09-08 22:36:39,156 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]=== [2019-09-08 22:36:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:39,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1155037974, now seen corresponding path program 1 times [2019-09-08 22:36:39,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:39,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:39,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:39,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:39,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:39,377 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-08 22:36:39,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:39,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:39,380 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:39,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:39,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:39,381 INFO L87 Difference]: Start difference. First operand 11766 states and 15339 transitions. Second operand 5 states. [2019-09-08 22:36:39,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:39,751 INFO L93 Difference]: Finished difference Result 11772 states and 15344 transitions. [2019-09-08 22:36:39,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:39,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2019-09-08 22:36:39,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:39,800 INFO L225 Difference]: With dead ends: 11772 [2019-09-08 22:36:39,801 INFO L226 Difference]: Without dead ends: 11770 [2019-09-08 22:36:39,807 INFO L628 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 [2019-09-08 22:36:39,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11770 states. [2019-09-08 22:36:40,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11770 to 11770. [2019-09-08 22:36:40,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11770 states. [2019-09-08 22:36:40,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11770 states to 11770 states and 15342 transitions. [2019-09-08 22:36:40,540 INFO L78 Accepts]: Start accepts. Automaton has 11770 states and 15342 transitions. Word has length 179 [2019-09-08 22:36:40,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:40,544 INFO L475 AbstractCegarLoop]: Abstraction has 11770 states and 15342 transitions. [2019-09-08 22:36:40,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 11770 states and 15342 transitions. [2019-09-08 22:36:40,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-09-08 22:36:40,547 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:40,547 INFO L399 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] [2019-09-08 22:36:40,548 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]=== [2019-09-08 22:36:40,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:40,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1321029801, now seen corresponding path program 1 times [2019-09-08 22:36:40,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:40,548 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:40,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:40,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:40,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-09-08 22:36:40,837 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:40,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:40,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:40,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:40,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:40,839 INFO L87 Difference]: Start difference. First operand 11770 states and 15342 transitions. Second operand 5 states. [2019-09-08 22:36:41,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:41,237 INFO L93 Difference]: Finished difference Result 12610 states and 16282 transitions. [2019-09-08 22:36:41,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:41,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2019-09-08 22:36:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:41,290 INFO L225 Difference]: With dead ends: 12610 [2019-09-08 22:36:41,290 INFO L226 Difference]: Without dead ends: 12608 [2019-09-08 22:36:41,297 INFO L628 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 [2019-09-08 22:36:41,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2019-09-08 22:36:41,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12606. [2019-09-08 22:36:41,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12606 states. [2019-09-08 22:36:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12606 states to 12606 states and 16279 transitions. [2019-09-08 22:36:41,784 INFO L78 Accepts]: Start accepts. Automaton has 12606 states and 16279 transitions. Word has length 184 [2019-09-08 22:36:41,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:41,784 INFO L475 AbstractCegarLoop]: Abstraction has 12606 states and 16279 transitions. [2019-09-08 22:36:41,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 12606 states and 16279 transitions. [2019-09-08 22:36:41,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-08 22:36:41,788 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:41,788 INFO L399 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] [2019-09-08 22:36:41,789 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]=== [2019-09-08 22:36:41,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:41,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1179707190, now seen corresponding path program 1 times [2019-09-08 22:36:41,789 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:41,789 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:41,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:41,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:41,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:42,619 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-09-08 22:36:42,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:42,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:42,620 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:42,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:42,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:42,621 INFO L87 Difference]: Start difference. First operand 12606 states and 16279 transitions. Second operand 5 states. [2019-09-08 22:36:43,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:43,043 INFO L93 Difference]: Finished difference Result 12612 states and 16284 transitions. [2019-09-08 22:36:43,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:43,043 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2019-09-08 22:36:43,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:43,096 INFO L225 Difference]: With dead ends: 12612 [2019-09-08 22:36:43,096 INFO L226 Difference]: Without dead ends: 12608 [2019-09-08 22:36:43,104 INFO L628 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 [2019-09-08 22:36:43,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12608 states. [2019-09-08 22:36:43,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12608 to 12608. [2019-09-08 22:36:43,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12608 states. [2019-09-08 22:36:43,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12608 states to 12608 states and 16280 transitions. [2019-09-08 22:36:43,661 INFO L78 Accepts]: Start accepts. Automaton has 12608 states and 16280 transitions. Word has length 189 [2019-09-08 22:36:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:43,661 INFO L475 AbstractCegarLoop]: Abstraction has 12608 states and 16280 transitions. [2019-09-08 22:36:43,661 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:43,662 INFO L276 IsEmpty]: Start isEmpty. Operand 12608 states and 16280 transitions. [2019-09-08 22:36:43,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-08 22:36:43,666 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:43,667 INFO L399 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] [2019-09-08 22:36:43,667 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]=== [2019-09-08 22:36:43,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:43,667 INFO L82 PathProgramCache]: Analyzing trace with hash 100054775, now seen corresponding path program 1 times [2019-09-08 22:36:43,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:43,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:43,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:43,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:43,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-09-08 22:36:43,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:43,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:43,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:43,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:43,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:43,886 INFO L87 Difference]: Start difference. First operand 12608 states and 16280 transitions. Second operand 5 states. [2019-09-08 22:36:44,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:44,416 INFO L93 Difference]: Finished difference Result 12608 states and 16280 transitions. [2019-09-08 22:36:44,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:36:44,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2019-09-08 22:36:44,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:44,465 INFO L225 Difference]: With dead ends: 12608 [2019-09-08 22:36:44,465 INFO L226 Difference]: Without dead ends: 12271 [2019-09-08 22:36:44,472 INFO L628 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 [2019-09-08 22:36:44,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12271 states. [2019-09-08 22:36:44,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12271 to 12271. [2019-09-08 22:36:44,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12271 states. [2019-09-08 22:36:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12271 states to 12271 states and 15852 transitions. [2019-09-08 22:36:45,024 INFO L78 Accepts]: Start accepts. Automaton has 12271 states and 15852 transitions. Word has length 194 [2019-09-08 22:36:45,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:45,025 INFO L475 AbstractCegarLoop]: Abstraction has 12271 states and 15852 transitions. [2019-09-08 22:36:45,025 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:36:45,025 INFO L276 IsEmpty]: Start isEmpty. Operand 12271 states and 15852 transitions. [2019-09-08 22:36:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-09-08 22:36:45,029 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:45,029 INFO L399 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] [2019-09-08 22:36:45,030 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]=== [2019-09-08 22:36:45,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:45,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1517485834, now seen corresponding path program 1 times [2019-09-08 22:36:45,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:45,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:45,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:45,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:45,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:45,263 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-08 22:36:45,263 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:45,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:45,264 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:45,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:45,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:45,265 INFO L87 Difference]: Start difference. First operand 12271 states and 15852 transitions. Second operand 3 states. [2019-09-08 22:36:46,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:46,252 INFO L93 Difference]: Finished difference Result 27624 states and 35565 transitions. [2019-09-08 22:36:46,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:46,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-09-08 22:36:46,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:46,446 INFO L225 Difference]: With dead ends: 27624 [2019-09-08 22:36:46,446 INFO L226 Difference]: Without dead ends: 15429 [2019-09-08 22:36:46,488 INFO L628 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 [2019-09-08 22:36:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15429 states. [2019-09-08 22:36:46,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15429 to 15409. [2019-09-08 22:36:46,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15409 states. [2019-09-08 22:36:47,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15409 states to 15409 states and 19759 transitions. [2019-09-08 22:36:47,028 INFO L78 Accepts]: Start accepts. Automaton has 15409 states and 19759 transitions. Word has length 200 [2019-09-08 22:36:47,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:47,029 INFO L475 AbstractCegarLoop]: Abstraction has 15409 states and 19759 transitions. [2019-09-08 22:36:47,029 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:47,029 INFO L276 IsEmpty]: Start isEmpty. Operand 15409 states and 19759 transitions. [2019-09-08 22:36:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-08 22:36:47,032 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:47,032 INFO L399 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] [2019-09-08 22:36:47,033 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]=== [2019-09-08 22:36:47,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:47,033 INFO L82 PathProgramCache]: Analyzing trace with hash 120775393, now seen corresponding path program 1 times [2019-09-08 22:36:47,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:47,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:47,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:47,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:47,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:47,243 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-09-08 22:36:47,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:47,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 22:36:47,244 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 22:36:47,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 22:36:47,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 22:36:47,245 INFO L87 Difference]: Start difference. First operand 15409 states and 19759 transitions. Second operand 3 states. [2019-09-08 22:36:48,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:36:48,243 INFO L93 Difference]: Finished difference Result 32054 states and 40752 transitions. [2019-09-08 22:36:48,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 22:36:48,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-09-08 22:36:48,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:36:48,311 INFO L225 Difference]: With dead ends: 32054 [2019-09-08 22:36:48,311 INFO L226 Difference]: Without dead ends: 16721 [2019-09-08 22:36:48,351 INFO L628 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 [2019-09-08 22:36:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16721 states. [2019-09-08 22:36:49,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16721 to 16701. [2019-09-08 22:36:49,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16701 states. [2019-09-08 22:36:49,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16701 states to 16701 states and 21031 transitions. [2019-09-08 22:36:49,235 INFO L78 Accepts]: Start accepts. Automaton has 16701 states and 21031 transitions. Word has length 205 [2019-09-08 22:36:49,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:36:49,236 INFO L475 AbstractCegarLoop]: Abstraction has 16701 states and 21031 transitions. [2019-09-08 22:36:49,236 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 22:36:49,236 INFO L276 IsEmpty]: Start isEmpty. Operand 16701 states and 21031 transitions. [2019-09-08 22:36:49,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-09-08 22:36:49,242 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:36:49,242 INFO L399 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] [2019-09-08 22:36:49,243 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]=== [2019-09-08 22:36:49,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:36:49,243 INFO L82 PathProgramCache]: Analyzing trace with hash 705466665, now seen corresponding path program 1 times [2019-09-08 22:36:49,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:36:49,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:36:49,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:49,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:36:49,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:36:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:36:49,467 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-09-08 22:36:49,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:36:49,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:36:49,470 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:36:49,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:36:49,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:36:49,470 INFO L87 Difference]: Start difference. First operand 16701 states and 21031 transitions. Second operand 5 states. [2019-09-08 22:37:00,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:37:00,450 INFO L93 Difference]: Finished difference Result 36020 states and 45393 transitions. [2019-09-08 22:37:00,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:37:00,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2019-09-08 22:37:00,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:37:00,527 INFO L225 Difference]: With dead ends: 36020 [2019-09-08 22:37:00,528 INFO L226 Difference]: Without dead ends: 19395 [2019-09-08 22:37:00,572 INFO L628 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 [2019-09-08 22:37:00,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19395 states. [2019-09-08 22:37:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19395 to 19375. [2019-09-08 22:37:01,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19375 states. [2019-09-08 22:37:01,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19375 states to 19375 states and 24408 transitions. [2019-09-08 22:37:01,670 INFO L78 Accepts]: Start accepts. Automaton has 19375 states and 24408 transitions. Word has length 228 [2019-09-08 22:37:01,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:37:01,670 INFO L475 AbstractCegarLoop]: Abstraction has 19375 states and 24408 transitions. [2019-09-08 22:37:01,671 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:37:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 19375 states and 24408 transitions. [2019-09-08 22:37:01,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-08 22:37:01,676 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:37:01,676 INFO L399 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] [2019-09-08 22:37:01,676 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]=== [2019-09-08 22:37:01,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:37:01,677 INFO L82 PathProgramCache]: Analyzing trace with hash 1024046822, now seen corresponding path program 1 times [2019-09-08 22:37:01,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:37:01,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:37:01,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:01,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:01,680 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:01,925 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-09-08 22:37:01,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:37:01,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:37:01,927 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:37:01,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:37:01,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:37:01,928 INFO L87 Difference]: Start difference. First operand 19375 states and 24408 transitions. Second operand 5 states. [2019-09-08 22:37:13,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:37:13,178 INFO L93 Difference]: Finished difference Result 41294 states and 52038 transitions. [2019-09-08 22:37:13,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:37:13,179 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-09-08 22:37:13,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:37:13,271 INFO L225 Difference]: With dead ends: 41294 [2019-09-08 22:37:13,271 INFO L226 Difference]: Without dead ends: 21995 [2019-09-08 22:37:13,315 INFO L628 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 [2019-09-08 22:37:13,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21995 states. [2019-09-08 22:37:14,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21995 to 21975. [2019-09-08 22:37:14,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21975 states. [2019-09-08 22:37:14,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21975 states to 21975 states and 27668 transitions. [2019-09-08 22:37:14,265 INFO L78 Accepts]: Start accepts. Automaton has 21975 states and 27668 transitions. Word has length 234 [2019-09-08 22:37:14,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:37:14,265 INFO L475 AbstractCegarLoop]: Abstraction has 21975 states and 27668 transitions. [2019-09-08 22:37:14,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:37:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 21975 states and 27668 transitions. [2019-09-08 22:37:14,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-08 22:37:14,270 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:37:14,271 INFO L399 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] [2019-09-08 22:37:14,271 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]=== [2019-09-08 22:37:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:37:14,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1995896677, now seen corresponding path program 1 times [2019-09-08 22:37:14,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:37:14,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:37:14,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:14,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:14,274 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:14,511 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-09-08 22:37:14,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:37:14,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:37:14,513 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:37:14,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:37:14,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:37:14,513 INFO L87 Difference]: Start difference. First operand 21975 states and 27668 transitions. Second operand 5 states. [2019-09-08 22:37:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:37:25,519 INFO L93 Difference]: Finished difference Result 45445 states and 57244 transitions. [2019-09-08 22:37:25,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:37:25,520 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-09-08 22:37:25,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:37:25,623 INFO L225 Difference]: With dead ends: 45445 [2019-09-08 22:37:25,623 INFO L226 Difference]: Without dead ends: 23546 [2019-09-08 22:37:25,689 INFO L628 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 [2019-09-08 22:37:25,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23546 states. [2019-09-08 22:37:27,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23546 to 23526. [2019-09-08 22:37:27,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23526 states. [2019-09-08 22:37:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23526 states to 23526 states and 29606 transitions. [2019-09-08 22:37:28,081 INFO L78 Accepts]: Start accepts. Automaton has 23526 states and 29606 transitions. Word has length 232 [2019-09-08 22:37:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:37:28,082 INFO L475 AbstractCegarLoop]: Abstraction has 23526 states and 29606 transitions. [2019-09-08 22:37:28,082 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:37:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 23526 states and 29606 transitions. [2019-09-08 22:37:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-08 22:37:28,092 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:37:28,093 INFO L399 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] [2019-09-08 22:37:28,093 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]=== [2019-09-08 22:37:28,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:37:28,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1125585337, now seen corresponding path program 1 times [2019-09-08 22:37:28,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:37:28,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:37:28,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:28,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:28,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:28,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-09-08 22:37:28,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:37:28,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:37:28,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:37:28,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:37:28,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:37:28,461 INFO L87 Difference]: Start difference. First operand 23526 states and 29606 transitions. Second operand 5 states. [2019-09-08 22:37:40,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:37:40,024 INFO L93 Difference]: Finished difference Result 49548 states and 62535 transitions. [2019-09-08 22:37:40,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:37:40,025 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2019-09-08 22:37:40,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:37:40,108 INFO L225 Difference]: With dead ends: 49548 [2019-09-08 22:37:40,108 INFO L226 Difference]: Without dead ends: 26098 [2019-09-08 22:37:40,147 INFO L628 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 [2019-09-08 22:37:40,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26098 states. [2019-09-08 22:37:41,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26098 to 26078. [2019-09-08 22:37:41,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26078 states. [2019-09-08 22:37:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26078 states to 26078 states and 32953 transitions. [2019-09-08 22:37:41,087 INFO L78 Accepts]: Start accepts. Automaton has 26078 states and 32953 transitions. Word has length 241 [2019-09-08 22:37:41,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:37:41,087 INFO L475 AbstractCegarLoop]: Abstraction has 26078 states and 32953 transitions. [2019-09-08 22:37:41,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:37:41,088 INFO L276 IsEmpty]: Start isEmpty. Operand 26078 states and 32953 transitions. [2019-09-08 22:37:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-09-08 22:37:41,095 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:37:41,096 INFO L399 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] [2019-09-08 22:37:41,096 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]=== [2019-09-08 22:37:41,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:37:41,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1863303, now seen corresponding path program 1 times [2019-09-08 22:37:41,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:37:41,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:37:41,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:41,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:41,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:41,601 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2019-09-08 22:37:41,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:37:41,602 INFO L223 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 [2019-09-08 22:37:41,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:42,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 4357 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 22:37:42,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:37:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2019-09-08 22:37:42,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:37:42,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2019-09-08 22:37:42,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 22:37:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 22:37:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 22:37:42,803 INFO L87 Difference]: Start difference. First operand 26078 states and 32953 transitions. Second operand 6 states. [2019-09-08 22:37:54,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:37:54,190 INFO L93 Difference]: Finished difference Result 54311 states and 68884 transitions. [2019-09-08 22:37:54,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 22:37:54,190 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 340 [2019-09-08 22:37:54,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:37:54,290 INFO L225 Difference]: With dead ends: 54311 [2019-09-08 22:37:54,290 INFO L226 Difference]: Without dead ends: 28309 [2019-09-08 22:37:54,340 INFO L628 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 [2019-09-08 22:37:54,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28309 states. [2019-09-08 22:37:55,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28309 to 28269. [2019-09-08 22:37:55,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28269 states. [2019-09-08 22:37:55,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28269 states to 28269 states and 34447 transitions. [2019-09-08 22:37:55,362 INFO L78 Accepts]: Start accepts. Automaton has 28269 states and 34447 transitions. Word has length 340 [2019-09-08 22:37:55,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:37:55,362 INFO L475 AbstractCegarLoop]: Abstraction has 28269 states and 34447 transitions. [2019-09-08 22:37:55,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 22:37:55,363 INFO L276 IsEmpty]: Start isEmpty. Operand 28269 states and 34447 transitions. [2019-09-08 22:37:55,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2019-09-08 22:37:55,371 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:37:55,371 INFO L399 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] [2019-09-08 22:37:55,372 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]=== [2019-09-08 22:37:55,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:37:55,372 INFO L82 PathProgramCache]: Analyzing trace with hash -845671152, now seen corresponding path program 1 times [2019-09-08 22:37:55,372 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:37:55,372 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:37:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:55,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:55,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:37:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 49 proven. 8 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2019-09-08 22:37:55,686 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:37:55,686 INFO L223 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 [2019-09-08 22:37:55,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:37:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:37:56,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 4517 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:37:56,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:37:57,049 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 210 proven. 6 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-09-08 22:37:57,069 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:37:57,070 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 22:37:57,071 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:37:57,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:37:57,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:37:57,072 INFO L87 Difference]: Start difference. First operand 28269 states and 34447 transitions. Second operand 8 states. [2019-09-08 22:38:16,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:16,214 INFO L93 Difference]: Finished difference Result 61331 states and 74952 transitions. [2019-09-08 22:38:16,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 22:38:16,215 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 360 [2019-09-08 22:38:16,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:16,434 INFO L225 Difference]: With dead ends: 61331 [2019-09-08 22:38:16,434 INFO L226 Difference]: Without dead ends: 33141 [2019-09-08 22:38:16,521 INFO L628 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 [2019-09-08 22:38:16,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33141 states. [2019-09-08 22:38:18,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33141 to 33101. [2019-09-08 22:38:18,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33101 states. [2019-09-08 22:38:18,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33101 states to 33101 states and 40335 transitions. [2019-09-08 22:38:18,712 INFO L78 Accepts]: Start accepts. Automaton has 33101 states and 40335 transitions. Word has length 360 [2019-09-08 22:38:18,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:18,712 INFO L475 AbstractCegarLoop]: Abstraction has 33101 states and 40335 transitions. [2019-09-08 22:38:18,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:38:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 33101 states and 40335 transitions. [2019-09-08 22:38:18,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2019-09-08 22:38:18,724 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:18,724 INFO L399 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] [2019-09-08 22:38:18,725 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]=== [2019-09-08 22:38:18,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:18,725 INFO L82 PathProgramCache]: Analyzing trace with hash 805731472, now seen corresponding path program 1 times [2019-09-08 22:38:18,725 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:18,725 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:18,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:18,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:18,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:19,041 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2019-09-08 22:38:19,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:38:19,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:38:19,042 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:38:19,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:38:19,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:38:19,043 INFO L87 Difference]: Start difference. First operand 33101 states and 40335 transitions. Second operand 5 states. [2019-09-08 22:38:22,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:38:22,786 INFO L93 Difference]: Finished difference Result 68963 states and 84104 transitions. [2019-09-08 22:38:22,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 22:38:22,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 414 [2019-09-08 22:38:22,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:38:22,921 INFO L225 Difference]: With dead ends: 68963 [2019-09-08 22:38:22,921 INFO L226 Difference]: Without dead ends: 35941 [2019-09-08 22:38:23,001 INFO L628 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 [2019-09-08 22:38:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35941 states. [2019-09-08 22:38:24,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35941 to 35873. [2019-09-08 22:38:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35873 states. [2019-09-08 22:38:24,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35873 states to 35873 states and 43591 transitions. [2019-09-08 22:38:24,818 INFO L78 Accepts]: Start accepts. Automaton has 35873 states and 43591 transitions. Word has length 414 [2019-09-08 22:38:24,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:38:24,819 INFO L475 AbstractCegarLoop]: Abstraction has 35873 states and 43591 transitions. [2019-09-08 22:38:24,819 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:38:24,820 INFO L276 IsEmpty]: Start isEmpty. Operand 35873 states and 43591 transitions. [2019-09-08 22:38:24,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2019-09-08 22:38:24,832 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:38:24,832 INFO L399 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] [2019-09-08 22:38:24,833 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]=== [2019-09-08 22:38:24,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:38:24,833 INFO L82 PathProgramCache]: Analyzing trace with hash 931516114, now seen corresponding path program 1 times [2019-09-08 22:38:24,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:38:24,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:38:24,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:24,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:38:24,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:38:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2019-09-08 22:38:25,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:38:25,243 INFO L223 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) [2019-09-08 22:38:25,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:38:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:38:26,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 4686 conjuncts, 24 conjunts are in the unsatisfiable core [2019-09-08 22:38:26,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:38:26,741 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 251 proven. 12 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2019-09-08 22:38:26,757 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:38:26,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 19] total 23 [2019-09-08 22:38:26,758 INFO L454 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-09-08 22:38:26,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-09-08 22:38:26,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=456, Unknown=0, NotChecked=0, Total=506 [2019-09-08 22:38:26,760 INFO L87 Difference]: Start difference. First operand 35873 states and 43591 transitions. Second operand 23 states. [2019-09-08 22:40:22,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:40:22,564 INFO L93 Difference]: Finished difference Result 119548 states and 146289 transitions. [2019-09-08 22:40:22,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2019-09-08 22:40:22,564 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 415 [2019-09-08 22:40:22,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:40:22,856 INFO L225 Difference]: With dead ends: 119548 [2019-09-08 22:40:22,857 INFO L226 Difference]: Without dead ends: 83650 [2019-09-08 22:40:22,957 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 503 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1846 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=864, Invalid=5942, Unknown=0, NotChecked=0, Total=6806 [2019-09-08 22:40:23,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83650 states. [2019-09-08 22:40:26,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83650 to 80362. [2019-09-08 22:40:26,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80362 states. [2019-09-08 22:40:26,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80362 states to 80362 states and 97506 transitions. [2019-09-08 22:40:26,806 INFO L78 Accepts]: Start accepts. Automaton has 80362 states and 97506 transitions. Word has length 415 [2019-09-08 22:40:26,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:40:26,807 INFO L475 AbstractCegarLoop]: Abstraction has 80362 states and 97506 transitions. [2019-09-08 22:40:26,807 INFO L476 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-09-08 22:40:26,807 INFO L276 IsEmpty]: Start isEmpty. Operand 80362 states and 97506 transitions. [2019-09-08 22:40:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2019-09-08 22:40:26,826 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:40:26,827 INFO L399 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] [2019-09-08 22:40:26,827 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]=== [2019-09-08 22:40:26,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:40:26,828 INFO L82 PathProgramCache]: Analyzing trace with hash 2050672746, now seen corresponding path program 1 times [2019-09-08 22:40:26,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:40:26,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:40:26,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:40:26,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:40:26,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:40:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:40:27,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 67 proven. 10 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2019-09-08 22:40:27,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:40:27,310 INFO L223 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) [2019-09-08 22:40:27,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 22:40:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:40:28,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 5356 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:40:28,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:40:30,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 195 proven. 2 refuted. 0 times theorem prover too weak. 1444 trivial. 0 not checked. [2019-09-08 22:40:30,902 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:40:30,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 22:40:30,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:40:30,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:40:30,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:40:30,905 INFO L87 Difference]: Start difference. First operand 80362 states and 97506 transitions. Second operand 8 states. [2019-09-08 22:40:56,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:40:56,424 INFO L93 Difference]: Finished difference Result 161401 states and 195672 transitions. [2019-09-08 22:40:56,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-09-08 22:40:56,424 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 640 [2019-09-08 22:40:56,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:40:56,671 INFO L225 Difference]: With dead ends: 161401 [2019-09-08 22:40:56,671 INFO L226 Difference]: Without dead ends: 81118 [2019-09-08 22:40:56,801 INFO L628 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 [2019-09-08 22:40:56,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81118 states. [2019-09-08 22:41:00,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81118 to 81018. [2019-09-08 22:41:00,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81018 states. [2019-09-08 22:41:00,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81018 states to 81018 states and 97881 transitions. [2019-09-08 22:41:00,425 INFO L78 Accepts]: Start accepts. Automaton has 81018 states and 97881 transitions. Word has length 640 [2019-09-08 22:41:00,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:41:00,426 INFO L475 AbstractCegarLoop]: Abstraction has 81018 states and 97881 transitions. [2019-09-08 22:41:00,426 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:41:00,426 INFO L276 IsEmpty]: Start isEmpty. Operand 81018 states and 97881 transitions. [2019-09-08 22:41:00,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2019-09-08 22:41:00,449 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:41:00,453 INFO L399 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] [2019-09-08 22:41:00,453 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]=== [2019-09-08 22:41:00,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:41:00,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1430281598, now seen corresponding path program 1 times [2019-09-08 22:41:00,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:41:00,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:41:00,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:00,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:00,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:41:03,202 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 84 proven. 16 refuted. 0 times theorem prover too weak. 4102 trivial. 0 not checked. [2019-09-08 22:41:03,202 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:41:03,202 INFO L223 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 [2019-09-08 22:41:03,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:41:04,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 6295 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:41:04,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:41:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4202 backedges. 1992 proven. 2 refuted. 0 times theorem prover too weak. 2208 trivial. 0 not checked. [2019-09-08 22:41:04,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:41:04,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2019-09-08 22:41:04,857 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:41:04,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:41:04,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:41:04,858 INFO L87 Difference]: Start difference. First operand 81018 states and 97881 transitions. Second operand 8 states. [2019-09-08 22:41:28,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:41:28,254 INFO L93 Difference]: Finished difference Result 168809 states and 203963 transitions. [2019-09-08 22:41:28,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-09-08 22:41:28,254 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 877 [2019-09-08 22:41:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:41:28,492 INFO L225 Difference]: With dead ends: 168809 [2019-09-08 22:41:28,492 INFO L226 Difference]: Without dead ends: 87662 [2019-09-08 22:41:28,601 INFO L628 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 [2019-09-08 22:41:28,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87662 states. [2019-09-08 22:41:34,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87662 to 85526. [2019-09-08 22:41:34,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85526 states. [2019-09-08 22:41:35,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85526 states to 85526 states and 103101 transitions. [2019-09-08 22:41:35,143 INFO L78 Accepts]: Start accepts. Automaton has 85526 states and 103101 transitions. Word has length 877 [2019-09-08 22:41:35,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:41:35,144 INFO L475 AbstractCegarLoop]: Abstraction has 85526 states and 103101 transitions. [2019-09-08 22:41:35,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:41:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 85526 states and 103101 transitions. [2019-09-08 22:41:35,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-09-08 22:41:35,152 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:41:35,153 INFO L399 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] [2019-09-08 22:41:35,153 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]=== [2019-09-08 22:41:35,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:41:35,153 INFO L82 PathProgramCache]: Analyzing trace with hash 86174074, now seen corresponding path program 1 times [2019-09-08 22:41:35,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:41:35,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:41:35,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:35,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:35,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:41:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2019-09-08 22:41:35,639 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:41:35,639 INFO L223 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 [2019-09-08 22:41:35,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:41:37,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 5486 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-08 22:41:37,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:41:37,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 381 proven. 0 refuted. 0 times theorem prover too weak. 623 trivial. 0 not checked. [2019-09-08 22:41:37,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:41:37,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2019-09-08 22:41:37,285 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 22:41:37,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 22:41:37,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2019-09-08 22:41:37,286 INFO L87 Difference]: Start difference. First operand 85526 states and 103101 transitions. Second operand 12 states. [2019-09-08 22:41:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:41:40,892 INFO L93 Difference]: Finished difference Result 172905 states and 210290 transitions. [2019-09-08 22:41:40,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 22:41:40,892 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 643 [2019-09-08 22:41:40,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:41:41,130 INFO L225 Difference]: With dead ends: 172905 [2019-09-08 22:41:41,130 INFO L226 Difference]: Without dead ends: 87458 [2019-09-08 22:41:41,247 INFO L628 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 [2019-09-08 22:41:41,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87458 states. [2019-09-08 22:41:47,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87458 to 85742. [2019-09-08 22:41:47,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85742 states. [2019-09-08 22:41:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85742 states to 85742 states and 103437 transitions. [2019-09-08 22:41:47,745 INFO L78 Accepts]: Start accepts. Automaton has 85742 states and 103437 transitions. Word has length 643 [2019-09-08 22:41:47,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:41:47,747 INFO L475 AbstractCegarLoop]: Abstraction has 85742 states and 103437 transitions. [2019-09-08 22:41:47,747 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 22:41:47,747 INFO L276 IsEmpty]: Start isEmpty. Operand 85742 states and 103437 transitions. [2019-09-08 22:41:47,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-09-08 22:41:47,758 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:41:47,758 INFO L399 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] [2019-09-08 22:41:47,759 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]=== [2019-09-08 22:41:47,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:41:47,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1105392889, now seen corresponding path program 1 times [2019-09-08 22:41:47,759 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:41:47,759 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:41:47,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:47,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:47,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:41:48,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 987 trivial. 0 not checked. [2019-09-08 22:41:48,286 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:41:48,286 INFO L223 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 [2019-09-08 22:41:48,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:41:49,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 5489 conjuncts, 13 conjunts are in the unsatisfiable core [2019-09-08 22:41:49,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:41:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2019-09-08 22:41:50,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:41:50,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2019-09-08 22:41:50,076 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 22:41:50,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 22:41:50,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 22:41:50,078 INFO L87 Difference]: Start difference. First operand 85742 states and 103437 transitions. Second operand 7 states. [2019-09-08 22:41:55,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:41:55,555 INFO L93 Difference]: Finished difference Result 171573 states and 207794 transitions. [2019-09-08 22:41:55,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 22:41:55,555 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 643 [2019-09-08 22:41:55,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:41:55,780 INFO L225 Difference]: With dead ends: 171573 [2019-09-08 22:41:55,780 INFO L226 Difference]: Without dead ends: 85910 [2019-09-08 22:41:55,894 INFO L628 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 [2019-09-08 22:41:55,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85910 states. [2019-09-08 22:41:59,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85910 to 85870. [2019-09-08 22:41:59,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85870 states. [2019-09-08 22:41:59,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85870 states to 85870 states and 103597 transitions. [2019-09-08 22:41:59,909 INFO L78 Accepts]: Start accepts. Automaton has 85870 states and 103597 transitions. Word has length 643 [2019-09-08 22:41:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:41:59,909 INFO L475 AbstractCegarLoop]: Abstraction has 85870 states and 103597 transitions. [2019-09-08 22:41:59,909 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 22:41:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 85870 states and 103597 transitions. [2019-09-08 22:41:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 644 [2019-09-08 22:41:59,917 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:41:59,917 INFO L399 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] [2019-09-08 22:41:59,918 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]=== [2019-09-08 22:41:59,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:41:59,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1672304922, now seen corresponding path program 2 times [2019-09-08 22:41:59,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:41:59,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:41:59,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:41:59,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:41:59,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 1004 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1004 trivial. 0 not checked. [2019-09-08 22:42:00,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:42:00,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:42:00,418 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:42:00,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:42:00,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:42:00,419 INFO L87 Difference]: Start difference. First operand 85870 states and 103597 transitions. Second operand 5 states. [2019-09-08 22:42:08,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:08,356 INFO L93 Difference]: Finished difference Result 85872 states and 103598 transitions. [2019-09-08 22:42:08,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:42:08,357 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 643 [2019-09-08 22:42:08,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:08,548 INFO L225 Difference]: With dead ends: 85872 [2019-09-08 22:42:08,548 INFO L226 Difference]: Without dead ends: 85175 [2019-09-08 22:42:08,573 INFO L628 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 [2019-09-08 22:42:08,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85175 states. [2019-09-08 22:42:11,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85175 to 85175. [2019-09-08 22:42:11,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85175 states. [2019-09-08 22:42:12,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85175 states to 85175 states and 102518 transitions. [2019-09-08 22:42:12,164 INFO L78 Accepts]: Start accepts. Automaton has 85175 states and 102518 transitions. Word has length 643 [2019-09-08 22:42:12,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:12,165 INFO L475 AbstractCegarLoop]: Abstraction has 85175 states and 102518 transitions. [2019-09-08 22:42:12,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:42:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 85175 states and 102518 transitions. [2019-09-08 22:42:12,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 845 [2019-09-08 22:42:12,179 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:12,180 INFO L399 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] [2019-09-08 22:42:12,180 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]=== [2019-09-08 22:42:12,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:12,181 INFO L82 PathProgramCache]: Analyzing trace with hash 274688513, now seen corresponding path program 1 times [2019-09-08 22:42:12,181 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:12,181 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:12,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:12,183 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 22:42:12,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:13,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 1457 trivial. 0 not checked. [2019-09-08 22:42:13,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:42:13,317 INFO L223 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 [2019-09-08 22:42:13,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:14,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:14,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 6308 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-08 22:42:14,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:42:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 408 proven. 0 refuted. 0 times theorem prover too weak. 1112 trivial. 0 not checked. [2019-09-08 22:42:14,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 22:42:14,899 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2019-09-08 22:42:14,900 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 22:42:14,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 22:42:14,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 22:42:14,901 INFO L87 Difference]: Start difference. First operand 85175 states and 102518 transitions. Second operand 6 states. [2019-09-08 22:42:18,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:18,578 INFO L93 Difference]: Finished difference Result 170231 states and 205018 transitions. [2019-09-08 22:42:18,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:42:18,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 844 [2019-09-08 22:42:18,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:18,794 INFO L225 Difference]: With dead ends: 170231 [2019-09-08 22:42:18,795 INFO L226 Difference]: Without dead ends: 85135 [2019-09-08 22:42:18,919 INFO L628 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 [2019-09-08 22:42:18,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85135 states. [2019-09-08 22:42:26,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85135 to 85135. [2019-09-08 22:42:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85135 states. [2019-09-08 22:42:26,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85135 states to 85135 states and 102438 transitions. [2019-09-08 22:42:26,353 INFO L78 Accepts]: Start accepts. Automaton has 85135 states and 102438 transitions. Word has length 844 [2019-09-08 22:42:26,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:26,355 INFO L475 AbstractCegarLoop]: Abstraction has 85135 states and 102438 transitions. [2019-09-08 22:42:26,355 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 22:42:26,355 INFO L276 IsEmpty]: Start isEmpty. Operand 85135 states and 102438 transitions. [2019-09-08 22:42:26,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1388 [2019-09-08 22:42:26,386 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:26,387 INFO L399 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] [2019-09-08 22:42:26,387 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]=== [2019-09-08 22:42:26,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:26,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1148167694, now seen corresponding path program 1 times [2019-09-08 22:42:26,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:26,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:26,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:26,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:26,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:27,776 INFO L134 CoverageAnalysis]: Checked inductivity of 7885 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 7860 trivial. 0 not checked. [2019-09-08 22:42:27,776 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 22:42:27,776 INFO L223 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 [2019-09-08 22:42:27,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:29,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 8253 conjuncts, 44 conjunts are in the unsatisfiable core [2019-09-08 22:42:29,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 22:42:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 7885 backedges. 147 proven. 399 refuted. 0 times theorem prover too weak. 7339 trivial. 0 not checked. [2019-09-08 22:42:30,395 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-08 22:42:30,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2019-09-08 22:42:30,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 22:42:30,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 22:42:30,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-08 22:42:30,399 INFO L87 Difference]: Start difference. First operand 85135 states and 102438 transitions. Second operand 8 states. [2019-09-08 22:42:43,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:43,808 INFO L93 Difference]: Finished difference Result 85735 states and 103238 transitions. [2019-09-08 22:42:43,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 22:42:43,809 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1387 [2019-09-08 22:42:43,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:44,046 INFO L225 Difference]: With dead ends: 85735 [2019-09-08 22:42:44,046 INFO L226 Difference]: Without dead ends: 85733 [2019-09-08 22:42:44,079 INFO L628 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 [2019-09-08 22:42:44,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85733 states. [2019-09-08 22:42:48,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85733 to 85133. [2019-09-08 22:42:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85133 states. [2019-09-08 22:42:48,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85133 states to 85133 states and 102321 transitions. [2019-09-08 22:42:48,470 INFO L78 Accepts]: Start accepts. Automaton has 85133 states and 102321 transitions. Word has length 1387 [2019-09-08 22:42:48,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:48,471 INFO L475 AbstractCegarLoop]: Abstraction has 85133 states and 102321 transitions. [2019-09-08 22:42:48,471 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 22:42:48,472 INFO L276 IsEmpty]: Start isEmpty. Operand 85133 states and 102321 transitions. [2019-09-08 22:42:48,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1411 [2019-09-08 22:42:48,509 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 22:42:48,510 INFO L399 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] [2019-09-08 22:42:48,511 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]=== [2019-09-08 22:42:48,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 22:42:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1263077022, now seen corresponding path program 1 times [2019-09-08 22:42:48,511 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 22:42:48,512 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 22:42:48,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:48,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 22:42:48,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 22:42:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 22:42:51,098 INFO L134 CoverageAnalysis]: Checked inductivity of 7967 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7963 trivial. 0 not checked. [2019-09-08 22:42:51,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 22:42:51,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 22:42:51,100 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 22:42:51,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 22:42:51,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 22:42:51,100 INFO L87 Difference]: Start difference. First operand 85133 states and 102321 transitions. Second operand 5 states. [2019-09-08 22:42:56,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 22:42:56,728 INFO L93 Difference]: Finished difference Result 85133 states and 102321 transitions. [2019-09-08 22:42:56,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 22:42:56,729 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1410 [2019-09-08 22:42:56,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 22:42:56,737 INFO L225 Difference]: With dead ends: 85133 [2019-09-08 22:42:56,737 INFO L226 Difference]: Without dead ends: 0 [2019-09-08 22:42:56,859 INFO L628 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 [2019-09-08 22:42:56,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-08 22:42:56,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-08 22:42:56,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-08 22:42:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-08 22:42:56,869 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1410 [2019-09-08 22:42:56,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 22:42:56,869 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-08 22:42:56,870 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 22:42:56,870 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-08 22:42:56,870 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-08 22:42:56,874 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-08 22:43:04,726 WARN L188 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 94 [2019-09-08 22:45:06,993 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 1 [2019-09-08 22:45:09,004 WARN L188 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 528 DAG size of output: 54 [2019-09-08 22:45:09,785 WARN L188 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-09-08 22:45:10,647 WARN L188 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-09-08 22:45:12,641 WARN L188 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 421 DAG size of output: 50 [2019-09-08 22:45:13,022 WARN L188 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:45:13,533 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2019-09-08 22:45:13,828 WARN L188 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-09-08 22:45:14,080 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 42 [2019-09-08 22:45:14,192 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:45:14,306 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:45:14,672 WARN L188 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:45:15,200 WARN L188 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 1 [2019-09-08 22:45:15,439 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 54 [2019-09-08 22:45:16,871 WARN L188 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 365 DAG size of output: 51 [2019-09-08 22:45:17,358 WARN L188 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-09-08 22:45:18,292 WARN L188 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:45:18,471 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:45:21,527 WARN L188 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 351 DAG size of output: 50 [2019-09-08 22:45:21,796 WARN L188 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-09-08 22:45:22,976 WARN L188 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 211 DAG size of output: 53 [2019-09-08 22:45:24,402 WARN L188 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 133 DAG size of output: 48 [2019-09-08 22:45:25,118 WARN L188 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-09-08 22:45:25,828 WARN L188 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-09-08 22:45:26,331 WARN L188 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-09-08 22:45:30,463 WARN L188 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 476 DAG size of output: 40 [2019-09-08 22:45:31,290 WARN L188 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:45:31,527 WARN L188 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2019-09-08 22:45:31,810 WARN L188 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:45:32,172 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:45:32,383 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:45:33,434 WARN L188 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:45:34,690 WARN L188 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2019-09-08 22:45:36,984 WARN L188 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 529 DAG size of output: 57 [2019-09-08 22:45:37,129 WARN L188 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 1 [2019-09-08 22:45:40,519 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 365 DAG size of output: 65 [2019-09-08 22:45:40,885 WARN L188 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:45:41,506 WARN L188 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 40 [2019-09-08 22:45:42,237 WARN L188 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:45:42,405 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:45:44,456 WARN L188 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 420 DAG size of output: 53 [2019-09-08 22:45:46,738 WARN L188 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 418 DAG size of output: 60 [2019-09-08 22:45:46,949 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 1 [2019-09-08 22:45:48,891 WARN L188 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 420 DAG size of output: 53 [2019-09-08 22:45:49,583 WARN L188 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 35 [2019-09-08 22:45:50,325 WARN L188 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:45:50,643 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2019-09-08 22:45:51,182 WARN L188 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 30 [2019-09-08 22:45:51,422 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 46 [2019-09-08 22:45:51,800 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:45:54,318 WARN L188 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 369 DAG size of output: 70 [2019-09-08 22:45:54,464 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-09-08 22:45:57,424 WARN L188 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 364 DAG size of output: 65 [2019-09-08 22:45:58,118 WARN L188 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:45:58,899 WARN L188 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 54 [2019-09-08 22:46:00,747 WARN L188 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 529 DAG size of output: 33 [2019-09-08 22:46:00,866 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-09-08 22:46:01,558 WARN L188 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:46:02,297 WARN L188 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 33 [2019-09-08 22:46:03,633 WARN L188 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 350 DAG size of output: 66 [2019-09-08 22:46:03,776 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2019-09-08 22:46:05,688 WARN L188 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 530 DAG size of output: 33 [2019-09-08 22:46:06,520 WARN L188 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-09-08 22:46:07,212 WARN L188 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:46:08,445 WARN L188 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2019-09-08 22:46:09,112 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-09-08 22:46:09,790 WARN L188 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:46:10,305 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-09-08 22:46:11,007 WARN L188 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:46:11,849 WARN L188 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:46:12,542 WARN L188 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:46:13,293 WARN L188 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-09-08 22:46:14,338 WARN L188 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:46:14,853 WARN L188 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:46:16,931 WARN L188 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 420 DAG size of output: 53 [2019-09-08 22:46:17,178 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2019-09-08 22:46:17,326 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-09-08 22:46:18,154 WARN L188 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:46:21,230 WARN L188 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 573 DAG size of output: 70 [2019-09-08 22:46:22,039 WARN L188 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-09-08 22:46:23,129 WARN L188 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 53 [2019-09-08 22:46:23,785 WARN L188 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 33 [2019-09-08 22:46:24,016 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 1 [2019-09-08 22:46:24,488 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-09-08 22:46:24,617 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2019-09-08 22:46:25,462 WARN L188 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-09-08 22:46:25,970 WARN L188 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2019-09-08 22:46:28,890 WARN L188 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 340 DAG size of output: 53 [2019-09-08 22:46:29,850 WARN L188 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 50 [2019-09-08 22:46:30,006 WARN L188 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:46:30,581 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-09-08 22:46:31,121 WARN L188 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 965 DAG size of output: 1 [2019-09-08 22:46:31,635 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-09-08 22:46:32,124 WARN L188 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-09-08 22:46:32,875 WARN L188 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 33 [2019-09-08 22:46:33,778 WARN L188 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 32 [2019-09-08 22:46:37,099 WARN L188 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 369 DAG size of output: 69 [2019-09-08 22:46:41,166 WARN L188 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 373 DAG size of output: 69 [2019-09-08 22:46:44,086 WARN L188 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 361 DAG size of output: 67 [2019-09-08 22:46:44,454 WARN L188 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2019-09-08 22:46:44,829 WARN L188 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:46:45,111 WARN L188 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:46:47,085 WARN L188 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 419 DAG size of output: 57 [2019-09-08 22:46:47,977 WARN L188 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:46:48,706 WARN L188 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:46:49,412 WARN L188 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-09-08 22:46:49,653 WARN L188 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 37 [2019-09-08 22:46:50,149 WARN L188 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2019-09-08 22:46:50,406 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2019-09-08 22:46:50,917 WARN L188 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2019-09-08 22:46:51,582 WARN L188 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 36 [2019-09-08 22:46:52,528 WARN L188 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 33 [2019-09-08 22:46:53,381 WARN L188 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 33 [2019-09-08 22:46:54,159 WARN L188 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 36 [2019-09-08 22:46:54,558 WARN L188 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 57 [2019-09-08 22:46:55,387 WARN L188 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 35 [2019-09-08 22:46:55,903 WARN L188 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2019-09-08 22:46:56,082 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2019-09-08 22:46:56,360 WARN L188 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:46:56,628 WARN L188 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 34 [2019-09-08 22:46:56,790 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 1 [2019-09-08 22:46:58,680 WARN L188 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 530 DAG size of output: 33 [2019-09-08 22:46:59,540 WARN L188 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 77 [2019-09-08 22:47:00,212 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:47:03,012 WARN L188 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 340 DAG size of output: 53 [2019-09-08 22:47:03,286 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:47:03,450 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 1 [2019-09-08 22:47:03,988 WARN L188 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 1 [2019-09-08 22:47:04,722 WARN L188 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:47:05,567 WARN L188 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:47:05,829 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:47:06,189 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:47:06,503 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 46 [2019-09-08 22:47:07,193 WARN L188 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:47:08,310 WARN L188 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 33 [2019-09-08 22:47:08,571 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:47:09,283 WARN L188 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:47:11,450 WARN L188 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 528 DAG size of output: 54 [2019-09-08 22:47:12,182 WARN L188 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:47:12,405 WARN L188 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 47 [2019-09-08 22:47:12,900 WARN L188 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 50 [2019-09-08 22:47:13,074 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 1 [2019-09-08 22:47:13,241 WARN L188 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:47:13,557 WARN L188 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 50 [2019-09-08 22:47:13,734 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:47:13,899 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:47:14,247 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 49 [2019-09-08 22:47:15,256 WARN L188 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:47:18,769 WARN L188 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 370 DAG size of output: 68 [2019-09-08 22:47:19,273 WARN L188 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 60 [2019-09-08 22:47:20,086 WARN L188 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:47:21,012 WARN L188 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 54 [2019-09-08 22:47:21,279 WARN L188 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:47:23,700 WARN L188 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 369 DAG size of output: 70 [2019-09-08 22:47:23,975 WARN L188 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:47:25,831 WARN L188 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 161 DAG size of output: 59 [2019-09-08 22:47:26,298 WARN L188 SmtUtils]: Spent 461.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-09-08 22:47:29,855 WARN L188 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 381 DAG size of output: 69 [2019-09-08 22:47:30,111 WARN L188 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2019-09-08 22:47:30,326 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 1 [2019-09-08 22:47:30,600 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:47:30,796 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 1 [2019-09-08 22:47:34,731 WARN L188 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 476 DAG size of output: 40 [2019-09-08 22:47:34,858 WARN L188 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2019-09-08 22:47:35,376 WARN L188 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-09-08 22:47:38,896 WARN L188 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 371 DAG size of output: 68 [2019-09-08 22:47:40,139 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 213 DAG size of output: 61 [2019-09-08 22:47:40,539 WARN L188 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2019-09-08 22:47:40,673 WARN L188 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 54 [2019-09-08 22:47:44,266 WARN L188 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 381 DAG size of output: 69 [2019-09-08 22:47:44,374 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:47:44,775 WARN L188 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2019-09-08 22:47:45,005 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 46 [2019-09-08 22:47:45,352 WARN L188 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:47:46,180 WARN L188 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:47:46,970 WARN L188 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 32 [2019-09-08 22:47:47,894 WARN L188 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 55 [2019-09-08 22:47:48,409 WARN L188 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2019-09-08 22:47:50,711 WARN L188 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 418 DAG size of output: 60 [2019-09-08 22:47:51,693 WARN L188 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:47:52,553 WARN L188 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:47:53,272 WARN L188 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 36 [2019-09-08 22:47:53,529 WARN L188 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 49 [2019-09-08 22:47:53,724 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:47:53,846 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 1 [2019-09-08 22:47:55,702 WARN L188 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 530 DAG size of output: 33 [2019-09-08 22:47:59,284 WARN L188 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 373 DAG size of output: 82 [2019-09-08 22:47:59,422 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 1 [2019-09-08 22:48:02,346 WARN L188 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 362 DAG size of output: 66 [2019-09-08 22:48:04,440 WARN L188 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 350 DAG size of output: 56 [2019-09-08 22:48:04,671 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 49 [2019-09-08 22:48:05,394 WARN L188 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:48:06,657 WARN L188 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 133 DAG size of output: 48 [2019-09-08 22:48:07,157 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 55 [2019-09-08 22:48:07,635 WARN L188 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 41 [2019-09-08 22:48:07,896 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:48:08,098 WARN L188 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:48:08,405 WARN L188 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-09-08 22:48:08,905 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 61 [2019-09-08 22:48:09,645 WARN L188 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:48:09,996 WARN L188 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:48:10,171 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:48:10,728 WARN L188 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 31 [2019-09-08 22:48:10,888 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 1 [2019-09-08 22:48:11,580 WARN L188 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:48:12,083 WARN L188 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:48:12,783 WARN L188 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:48:13,502 WARN L188 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:48:13,859 WARN L188 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 47 [2019-09-08 22:48:14,989 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 340 DAG size of output: 50 [2019-09-08 22:48:15,729 WARN L188 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2019-09-08 22:48:16,579 WARN L188 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 32 [2019-09-08 22:48:17,488 WARN L188 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 37 [2019-09-08 22:48:18,194 WARN L188 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 32 [2019-09-08 22:48:18,303 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2019-09-08 22:48:18,661 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 1 [2019-09-08 22:48:22,515 WARN L188 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 373 DAG size of output: 64