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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.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 [2019-09-10 14:57:37,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 14:57:37,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 14:57:37,915 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 14:57:37,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 14:57:37,917 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 14:57:37,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 14:57:37,930 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 14:57:37,932 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 14:57:37,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 14:57:37,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 14:57:37,934 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 14:57:37,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 14:57:37,936 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 14:57:37,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 14:57:37,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 14:57:37,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 14:57:37,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 14:57:37,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 14:57:37,943 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 14:57:37,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 14:57:37,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 14:57:37,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 14:57:37,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 14:57:37,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 14:57:37,949 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 14:57:37,949 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 14:57:37,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 14:57:37,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 14:57:37,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 14:57:37,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 14:57:37,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 14:57:37,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 14:57:37,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 14:57:37,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 14:57:37,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 14:57:37,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 14:57:37,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 14:57:37,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 14:57:37,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 14:57:37,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 14:57:37,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 14:57:37,973 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 14:57:37,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 14:57:37,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 14:57:37,974 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 14:57:37,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 14:57:37,975 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 14:57:37,975 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 14:57:37,975 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 14:57:37,975 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 14:57:37,976 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 14:57:37,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 14:57:37,976 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 14:57:37,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 14:57:37,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 14:57:37,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 14:57:37,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 14:57:37,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 14:57:37,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 14:57:37,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 14:57:37,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 14:57:37,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 14:57:37,978 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 14:57:37,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 14:57:37,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 14:57:37,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 14:57:37,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 14:57:37,979 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 14:57:37,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 14:57:37,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 14:57:37,980 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 14:57:38,009 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 14:57:38,027 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 14:57:38,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 14:57:38,034 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 14:57:38,034 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 14:57:38,035 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-09-10 14:57:38,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc63bf4f7/0cf24169f9f64a918061b3d96a824a2b/FLAG6ddbcf77d [2019-09-10 14:57:38,904 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 14:57:38,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-09-10 14:57:38,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc63bf4f7/0cf24169f9f64a918061b3d96a824a2b/FLAG6ddbcf77d [2019-09-10 14:57:39,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc63bf4f7/0cf24169f9f64a918061b3d96a824a2b [2019-09-10 14:57:39,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 14:57:39,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 14:57:39,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 14:57:39,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 14:57:39,472 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 14:57:39,473 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:57:39" (1/1) ... [2019-09-10 14:57:39,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73b521fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:39, skipping insertion in model container [2019-09-10 14:57:39,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:57:39" (1/1) ... [2019-09-10 14:57:39,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 14:57:39,639 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 14:57:41,485 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:57:41,532 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 14:57:41,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:57:42,339 INFO L192 MainTranslator]: Completed translation [2019-09-10 14:57:42,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42 WrapperNode [2019-09-10 14:57:42,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 14:57:42,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 14:57:42,340 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 14:57:42,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 14:57:42,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,441 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (1/1) ... [2019-09-10 14:57:42,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 14:57:42,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 14:57:42,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 14:57:42,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 14:57:42,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (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 [2019-09-10 14:57:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 14:57:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 14:57:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-10 14:57:42,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 14:57:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 14:57:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 14:57:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 14:57:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2019-09-10 14:57:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-09-10 14:57:42,726 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-09-10 14:57:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_valid [2019-09-10 14:57:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_resource_len [2019-09-10 14:57:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_start [2019-09-10 14:57:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_valid [2019-09-10 14:57:42,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_port_len [2019-09-10 14:57:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq [2019-09-10 14:57:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_irq_valid [2019-09-10 14:57:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_drvdata [2019-09-10 14:57:42,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_set_drvdata [2019-09-10 14:57:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-09-10 14:57:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ir_raw_event [2019-09-10 14:57:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_reset [2019-09-10 14:57:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_write [2019-09-10 14:57:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cr_read [2019-09-10 14:57:42,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_reg_bit [2019-09-10 14:57:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_enable [2019-09-10 14:57:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_efm_disable [2019-09-10 14:57:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_select_logical_dev [2019-09-10 14:57:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_write [2019-09-10 14:57:42,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_reg_read [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_write [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_reg_read [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_dump_regs [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cir_wake_dump_regs [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_hw_detect [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_ldev_init [2019-09-10 14:57:42,732 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_ldev_init [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_fifo [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_cir_wake_fifo [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_clear_tx_fifo [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_cir_iren [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_regs_init [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_regs_init [2019-09-10 14:57:42,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_wake [2019-09-10 14:57:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_set_tx_carrier [2019-09-10 14:57:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_tx_ir [2019-09-10 14:57:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_dump_rx_buf [2019-09-10 14:57:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_process_rx_ir_data [2019-09-10 14:57:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_handle_rx_fifo_overrun [2019-09-10 14:57:42,734 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_get_rx_ir_data [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_log_irqs [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_tx_inactive [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_isr [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_cir_wake_isr [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_enable_cir [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_disable_cir [2019-09-10 14:57:42,735 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_open [2019-09-10 14:57:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_close [2019-09-10 14:57:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_probe [2019-09-10 14:57:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_remove [2019-09-10 14:57:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_suspend [2019-09-10 14:57:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_resume [2019-09-10 14:57:42,736 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_shutdown [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_init [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure nvt_exit [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_nvt_init_8_7 [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_callback_2_9 [2019-09-10 14:57:42,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_probe_2_16 [2019-09-10 14:57:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_release_2_2 [2019-09-10 14:57:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_resume_2_5 [2019-09-10 14:57:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_base_instance_suspend_2_7 [2019-09-10 14:57:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_6_1 [2019-09-10 14:57:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_deregister_3_1 [2019-09-10 14:57:42,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_4_2 [2019-09-10 14:57:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_5_2 [2019-09-10 14:57:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_2 [2019-09-10 14:57:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_8 [2019-09-10 14:57:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 14:57:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2019-09-10 14:57:42,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-10 14:57:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2019-09-10 14:57:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_1_5 [2019-09-10 14:57:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_0_3 [2019-09-10 14:57:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_thread_1_3 [2019-09-10 14:57:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2019-09-10 14:57:42,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2019-09-10 14:57:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver [2019-09-10 14:57:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver [2019-09-10 14:57:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2019-09-10 14:57:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_struct_pnp_driver_base_instance_2 [2019-09-10 14:57:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-10 14:57:42,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_10 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_19 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_25 [2019-09-10 14:57:42,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_26 [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_44 [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_45 [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_46 [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_47 [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_48 [2019-09-10 14:57:42,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_50 [2019-09-10 14:57:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_52 [2019-09-10 14:57:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_54 [2019-09-10 14:57:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_56 [2019-09-10 14:57:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_58 [2019-09-10 14:57:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_60 [2019-09-10 14:57:42,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_62 [2019-09-10 14:57:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_64 [2019-09-10 14:57:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_66 [2019-09-10 14:57:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_67 [2019-09-10 14:57:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_68 [2019-09-10 14:57:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_69 [2019-09-10 14:57:42,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_71 [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_72 [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_73 [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_75 [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_register_driver_77 [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pnp_unregister_driver_78 [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-10 14:57:42,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-10 14:57:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-10 14:57:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 14:57:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 14:57:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 14:57:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 14:57:42,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 14:57:42,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 14:57:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 14:57:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 14:57:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-10 14:57:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 14:57:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-10 14:57:42,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 14:57:42,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-10 14:57:42,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-10 14:57:42,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-10 14:57:42,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-10 14:57:42,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-10 14:57:42,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-10 14:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-10 14:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-10 14:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-10 14:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-10 14:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-10 14:57:42,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-10 14:57:42,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 14:57:42,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure device_init_wakeup [2019-09-10 14:57:42,762 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_handle [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ir_raw_event_store_with_filter [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-10 14:57:42,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_get_resource [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_register_driver [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pnp_unregister_driver [2019-09-10 14:57:42,764 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_allocate_device [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_free_device [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_register_device [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure rc_unregister_device [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-09-10 14:57:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-09-10 14:57:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 14:57:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 14:57:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 14:57:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 14:57:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 14:57:42,766 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 14:57:42,767 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_44 [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_46 [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_48 [2019-09-10 14:57:42,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_50 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_52 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_54 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_56 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_58 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_60 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_62 [2019-09-10 14:57:42,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_64 [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_69 [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_73 [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_75 [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-10 14:57:42,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:57:42,772 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_45 [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_47 [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-10 14:57:42,773 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure device_init_wakeup [2019-09-10 14:57:42,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_25 [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_26 [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_resource [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_valid [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_resource_len [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_start [2019-09-10 14:57:42,775 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_valid [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_port_len [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_irq_valid [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_get_drvdata [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_set_drvdata [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_register_driver [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver_77 [2019-09-10 14:57:42,776 INFO L130 BoogieDeclarations]: Found specification of procedure pnp_unregister_driver [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver_78 [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_66 [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_67 [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-09-10 14:57:42,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_68 [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_71 [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_72 [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure rc_allocate_device [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure rc_free_device [2019-09-10 14:57:42,778 INFO L130 BoogieDeclarations]: Found specification of procedure rc_register_device [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure rc_unregister_device [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure init_ir_raw_event [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_handle [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_store_with_filter [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure ir_raw_event_reset [2019-09-10 14:57:42,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_write [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cr_read [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_reg_bit [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_enable [2019-09-10 14:57:42,780 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_efm_disable [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_select_logical_dev [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_write [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_reg_read [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_write [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_reg_read [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure cir_dump_regs [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure cir_wake_dump_regs [2019-09-10 14:57:42,781 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_hw_detect [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_ldev_init [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_ldev_init [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_fifo [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_cir_wake_fifo [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_clear_tx_fifo [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_cir_iren [2019-09-10 14:57:42,782 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_regs_init [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_regs_init [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_wake [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_set_tx_carrier [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_tx_ir [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_dump_rx_buf [2019-09-10 14:57:42,783 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_process_rx_ir_data [2019-09-10 14:57:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_handle_rx_fifo_overrun [2019-09-10 14:57:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_get_rx_ir_data [2019-09-10 14:57:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_log_irqs [2019-09-10 14:57:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_tx_inactive [2019-09-10 14:57:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_isr [2019-09-10 14:57:42,784 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_cir_wake_isr [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_enable_cir [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_disable_cir [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_open [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_close [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_probe [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_remove [2019-09-10 14:57:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_suspend [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_resume [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_shutdown [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_init [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure nvt_exit [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_nvt_exit_8_2 [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_nvt_init_8_7 [2019-09-10 14:57:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_callback_2_9 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_probe_2_16 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_release_2_2 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_resume_2_5 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_base_instance_suspend_2_7 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_6_1 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_deregister_3_1 [2019-09-10 14:57:42,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_4_2 [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_5_2 [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_2 [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_8 [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-10 14:57:42,788 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_1_5 [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_0_3 [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_thread_1_3 [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_register_driver [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pnp_unregister_driver [2019-09-10 14:57:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_struct_pnp_driver_base_instance_2 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_10 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_19 [2019-09-10 14:57:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 14:57:42,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 14:57:42,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 14:57:42,793 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 14:57:42,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2019-09-10 14:57:42,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-10 14:57:42,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-10 14:57:42,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-10 14:57:42,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:57:42,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-10 14:57:42,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_nvt_lock_of_nvt_dev [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-10 14:57:42,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-10 14:57:42,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-10 14:57:42,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 14:57:42,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 14:57:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 14:57:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 14:57:42,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 14:57:43,775 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 14:57:52,266 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-10 14:57:52,662 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 14:57:52,662 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 14:57:52,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:57:52 BoogieIcfgContainer [2019-09-10 14:57:52,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 14:57:52,666 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 14:57:52,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 14:57:52,669 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 14:57:52,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:57:39" (1/3) ... [2019-09-10 14:57:52,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7932f0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:57:52, skipping insertion in model container [2019-09-10 14:57:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:57:42" (2/3) ... [2019-09-10 14:57:52,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7932f0d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:57:52, skipping insertion in model container [2019-09-10 14:57:52,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:57:52" (3/3) ... [2019-09-10 14:57:52,674 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-rc-nuvoton-cir.cil.i [2019-09-10 14:57:52,684 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 14:57:52,700 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-09-10 14:57:52,718 INFO L252 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2019-09-10 14:57:52,754 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 14:57:52,754 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 14:57:52,754 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 14:57:52,754 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 14:57:52,755 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 14:57:52,755 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 14:57:52,755 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 14:57:52,755 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 14:57:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1803 states. [2019-09-10 14:57:52,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-09-10 14:57:52,844 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:57:52,845 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] [2019-09-10 14:57:52,847 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]=== [2019-09-10 14:57:52,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:57:52,854 INFO L82 PathProgramCache]: Analyzing trace with hash -511326792, now seen corresponding path program 1 times [2019-09-10 14:57:52,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:57:52,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:57:52,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:57:52,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:57:52,944 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:57:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:57:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-10 14:57:53,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:57:53,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:57:53,649 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:57:53,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:57:53,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:57:53,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:57:53,675 INFO L87 Difference]: Start difference. First operand 1803 states. Second operand 3 states. [2019-09-10 14:57:56,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:57:56,510 INFO L93 Difference]: Finished difference Result 2623 states and 3465 transitions. [2019-09-10 14:57:56,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:57:56,512 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2019-09-10 14:57:56,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:57:56,564 INFO L225 Difference]: With dead ends: 2623 [2019-09-10 14:57:56,564 INFO L226 Difference]: Without dead ends: 2611 [2019-09-10 14:57:56,566 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 [2019-09-10 14:57:56,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2611 states. [2019-09-10 14:57:56,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2611 to 2607. [2019-09-10 14:57:56,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2607 states. [2019-09-10 14:57:56,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2607 states and 3443 transitions. [2019-09-10 14:57:56,863 INFO L78 Accepts]: Start accepts. Automaton has 2607 states and 3443 transitions. Word has length 82 [2019-09-10 14:57:56,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:57:56,865 INFO L475 AbstractCegarLoop]: Abstraction has 2607 states and 3443 transitions. [2019-09-10 14:57:56,865 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:57:56,865 INFO L276 IsEmpty]: Start isEmpty. Operand 2607 states and 3443 transitions. [2019-09-10 14:57:56,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-09-10 14:57:56,885 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:57:56,885 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] [2019-09-10 14:57:56,886 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]=== [2019-09-10 14:57:56,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:57:56,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1301605739, now seen corresponding path program 1 times [2019-09-10 14:57:56,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:57:56,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:57:56,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:57:56,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:57:56,894 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:57:57,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:57:57,350 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-09-10 14:57:57,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:57:57,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:57:57,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:57:57,353 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:57:57,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:57:57,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:57:57,354 INFO L87 Difference]: Start difference. First operand 2607 states and 3443 transitions. Second operand 3 states. [2019-09-10 14:58:00,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:00,107 INFO L93 Difference]: Finished difference Result 2371 states and 3101 transitions. [2019-09-10 14:58:00,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:58:00,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2019-09-10 14:58:00,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:00,138 INFO L225 Difference]: With dead ends: 2371 [2019-09-10 14:58:00,138 INFO L226 Difference]: Without dead ends: 2371 [2019-09-10 14:58:00,139 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 [2019-09-10 14:58:00,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2371 states. [2019-09-10 14:58:00,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2371 to 2344. [2019-09-10 14:58:00,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2344 states. [2019-09-10 14:58:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 3066 transitions. [2019-09-10 14:58:00,253 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 3066 transitions. Word has length 109 [2019-09-10 14:58:00,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:00,256 INFO L475 AbstractCegarLoop]: Abstraction has 2344 states and 3066 transitions. [2019-09-10 14:58:00,256 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:58:00,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 3066 transitions. [2019-09-10 14:58:00,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-10 14:58:00,260 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:00,261 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] [2019-09-10 14:58:00,261 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]=== [2019-09-10 14:58:00,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:00,262 INFO L82 PathProgramCache]: Analyzing trace with hash -825279870, now seen corresponding path program 1 times [2019-09-10 14:58:00,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:00,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:00,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:00,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:00,266 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:00,551 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-10 14:58:00,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:00,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:58:00,552 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:00,553 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:58:00,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:58:00,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:58:00,554 INFO L87 Difference]: Start difference. First operand 2344 states and 3066 transitions. Second operand 3 states. [2019-09-10 14:58:03,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:03,032 INFO L93 Difference]: Finished difference Result 4007 states and 5232 transitions. [2019-09-10 14:58:03,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:58:03,033 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-10 14:58:03,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:03,065 INFO L225 Difference]: With dead ends: 4007 [2019-09-10 14:58:03,065 INFO L226 Difference]: Without dead ends: 4007 [2019-09-10 14:58:03,065 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 [2019-09-10 14:58:03,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4007 states. [2019-09-10 14:58:03,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4007 to 3983. [2019-09-10 14:58:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3983 states. [2019-09-10 14:58:03,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3983 states to 3983 states and 5202 transitions. [2019-09-10 14:58:03,287 INFO L78 Accepts]: Start accepts. Automaton has 3983 states and 5202 transitions. Word has length 153 [2019-09-10 14:58:03,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:03,288 INFO L475 AbstractCegarLoop]: Abstraction has 3983 states and 5202 transitions. [2019-09-10 14:58:03,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:58:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 3983 states and 5202 transitions. [2019-09-10 14:58:03,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 14:58:03,293 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:03,294 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] [2019-09-10 14:58:03,294 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]=== [2019-09-10 14:58:03,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:03,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1015593156, now seen corresponding path program 1 times [2019-09-10 14:58:03,295 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:03,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:03,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:03,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:03,304 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:03,636 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-10 14:58:03,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:03,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:03,637 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:03,638 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:03,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:03,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:03,639 INFO L87 Difference]: Start difference. First operand 3983 states and 5202 transitions. Second operand 5 states. [2019-09-10 14:58:03,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:03,798 INFO L93 Difference]: Finished difference Result 3987 states and 5205 transitions. [2019-09-10 14:58:03,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:03,799 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2019-09-10 14:58:03,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:03,928 INFO L225 Difference]: With dead ends: 3987 [2019-09-10 14:58:03,928 INFO L226 Difference]: Without dead ends: 3987 [2019-09-10 14:58:03,929 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 [2019-09-10 14:58:03,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3987 states. [2019-09-10 14:58:04,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3987 to 3987. [2019-09-10 14:58:04,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3987 states. [2019-09-10 14:58:04,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3987 states to 3987 states and 5205 transitions. [2019-09-10 14:58:04,101 INFO L78 Accepts]: Start accepts. Automaton has 3987 states and 5205 transitions. Word has length 159 [2019-09-10 14:58:04,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:04,102 INFO L475 AbstractCegarLoop]: Abstraction has 3987 states and 5205 transitions. [2019-09-10 14:58:04,102 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 3987 states and 5205 transitions. [2019-09-10 14:58:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-09-10 14:58:04,108 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:04,109 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] [2019-09-10 14:58:04,109 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]=== [2019-09-10 14:58:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:04,110 INFO L82 PathProgramCache]: Analyzing trace with hash 705067959, now seen corresponding path program 1 times [2019-09-10 14:58:04,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:04,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:04,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:04,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:04,114 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:04,379 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2019-09-10 14:58:04,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:04,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:58:04,380 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:04,381 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:58:04,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:58:04,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:58:04,382 INFO L87 Difference]: Start difference. First operand 3987 states and 5205 transitions. Second operand 3 states. [2019-09-10 14:58:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:06,884 INFO L93 Difference]: Finished difference Result 6175 states and 8072 transitions. [2019-09-10 14:58:06,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:58:06,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-09-10 14:58:06,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:06,929 INFO L225 Difference]: With dead ends: 6175 [2019-09-10 14:58:06,929 INFO L226 Difference]: Without dead ends: 6175 [2019-09-10 14:58:06,930 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 [2019-09-10 14:58:06,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6175 states. [2019-09-10 14:58:07,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6175 to 6143. [2019-09-10 14:58:07,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6143 states. [2019-09-10 14:58:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6143 states to 6143 states and 8033 transitions. [2019-09-10 14:58:07,176 INFO L78 Accepts]: Start accepts. Automaton has 6143 states and 8033 transitions. Word has length 170 [2019-09-10 14:58:07,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:07,178 INFO L475 AbstractCegarLoop]: Abstraction has 6143 states and 8033 transitions. [2019-09-10 14:58:07,178 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:58:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 6143 states and 8033 transitions. [2019-09-10 14:58:07,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-09-10 14:58:07,182 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:07,182 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] [2019-09-10 14:58:07,183 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]=== [2019-09-10 14:58:07,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:07,184 INFO L82 PathProgramCache]: Analyzing trace with hash 441225163, now seen corresponding path program 1 times [2019-09-10 14:58:07,184 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:07,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:07,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:07,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:07,188 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:07,453 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-10 14:58:07,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:07,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:07,454 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:07,455 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:07,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:07,455 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:07,455 INFO L87 Difference]: Start difference. First operand 6143 states and 8033 transitions. Second operand 5 states. [2019-09-10 14:58:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:07,583 INFO L93 Difference]: Finished difference Result 6147 states and 8036 transitions. [2019-09-10 14:58:07,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:07,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 164 [2019-09-10 14:58:07,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:07,626 INFO L225 Difference]: With dead ends: 6147 [2019-09-10 14:58:07,626 INFO L226 Difference]: Without dead ends: 6147 [2019-09-10 14:58:07,627 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 [2019-09-10 14:58:07,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2019-09-10 14:58:08,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 6147. [2019-09-10 14:58:08,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6147 states. [2019-09-10 14:58:08,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6147 states to 6147 states and 8036 transitions. [2019-09-10 14:58:08,052 INFO L78 Accepts]: Start accepts. Automaton has 6147 states and 8036 transitions. Word has length 164 [2019-09-10 14:58:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:08,053 INFO L475 AbstractCegarLoop]: Abstraction has 6147 states and 8036 transitions. [2019-09-10 14:58:08,053 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 6147 states and 8036 transitions. [2019-09-10 14:58:08,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-09-10 14:58:08,055 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:08,056 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] [2019-09-10 14:58:08,056 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]=== [2019-09-10 14:58:08,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:08,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1851367332, now seen corresponding path program 1 times [2019-09-10 14:58:08,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:08,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:08,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:08,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:08,060 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:08,371 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2019-09-10 14:58:08,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:08,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:08,372 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:08,372 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:08,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:08,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:08,373 INFO L87 Difference]: Start difference. First operand 6147 states and 8036 transitions. Second operand 5 states. [2019-09-10 14:58:08,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:08,507 INFO L93 Difference]: Finished difference Result 6151 states and 8039 transitions. [2019-09-10 14:58:08,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:08,508 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 169 [2019-09-10 14:58:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:08,569 INFO L225 Difference]: With dead ends: 6151 [2019-09-10 14:58:08,569 INFO L226 Difference]: Without dead ends: 6151 [2019-09-10 14:58:08,570 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 [2019-09-10 14:58:08,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6151 states. [2019-09-10 14:58:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6151 to 6151. [2019-09-10 14:58:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6151 states. [2019-09-10 14:58:08,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6151 states to 6151 states and 8039 transitions. [2019-09-10 14:58:08,772 INFO L78 Accepts]: Start accepts. Automaton has 6151 states and 8039 transitions. Word has length 169 [2019-09-10 14:58:08,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:08,776 INFO L475 AbstractCegarLoop]: Abstraction has 6151 states and 8039 transitions. [2019-09-10 14:58:08,777 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:08,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6151 states and 8039 transitions. [2019-09-10 14:58:08,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 14:58:08,780 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:08,780 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] [2019-09-10 14:58:08,780 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]=== [2019-09-10 14:58:08,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:08,781 INFO L82 PathProgramCache]: Analyzing trace with hash -1317381589, now seen corresponding path program 1 times [2019-09-10 14:58:08,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:08,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:08,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:08,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:08,785 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:08,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:09,024 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-09-10 14:58:09,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:09,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:09,025 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:09,026 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:09,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:09,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:09,027 INFO L87 Difference]: Start difference. First operand 6151 states and 8039 transitions. Second operand 5 states. [2019-09-10 14:58:09,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:09,140 INFO L93 Difference]: Finished difference Result 6287 states and 8153 transitions. [2019-09-10 14:58:09,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:09,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 174 [2019-09-10 14:58:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:09,175 INFO L225 Difference]: With dead ends: 6287 [2019-09-10 14:58:09,175 INFO L226 Difference]: Without dead ends: 6287 [2019-09-10 14:58:09,176 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 [2019-09-10 14:58:09,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6287 states. [2019-09-10 14:58:09,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6287 to 6285. [2019-09-10 14:58:09,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6285 states. [2019-09-10 14:58:09,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6285 states to 6285 states and 8152 transitions. [2019-09-10 14:58:09,384 INFO L78 Accepts]: Start accepts. Automaton has 6285 states and 8152 transitions. Word has length 174 [2019-09-10 14:58:09,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:09,384 INFO L475 AbstractCegarLoop]: Abstraction has 6285 states and 8152 transitions. [2019-09-10 14:58:09,384 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 6285 states and 8152 transitions. [2019-09-10 14:58:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-10 14:58:09,388 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:09,388 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] [2019-09-10 14:58:09,388 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]=== [2019-09-10 14:58:09,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:09,389 INFO L82 PathProgramCache]: Analyzing trace with hash -980270724, now seen corresponding path program 1 times [2019-09-10 14:58:09,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:09,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:09,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:09,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:09,392 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:09,653 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-09-10 14:58:09,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:09,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:09,654 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:09,654 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:09,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:09,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:09,655 INFO L87 Difference]: Start difference. First operand 6285 states and 8152 transitions. Second operand 5 states. [2019-09-10 14:58:09,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:09,859 INFO L93 Difference]: Finished difference Result 6289 states and 8155 transitions. [2019-09-10 14:58:09,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:09,859 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 179 [2019-09-10 14:58:09,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:09,888 INFO L225 Difference]: With dead ends: 6289 [2019-09-10 14:58:09,889 INFO L226 Difference]: Without dead ends: 6289 [2019-09-10 14:58:09,889 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 [2019-09-10 14:58:09,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6289 states. [2019-09-10 14:58:10,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6289 to 6289. [2019-09-10 14:58:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6289 states. [2019-09-10 14:58:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6289 states to 6289 states and 8155 transitions. [2019-09-10 14:58:10,089 INFO L78 Accepts]: Start accepts. Automaton has 6289 states and 8155 transitions. Word has length 179 [2019-09-10 14:58:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:10,089 INFO L475 AbstractCegarLoop]: Abstraction has 6289 states and 8155 transitions. [2019-09-10 14:58:10,089 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 6289 states and 8155 transitions. [2019-09-10 14:58:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-09-10 14:58:10,095 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:10,095 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] [2019-09-10 14:58:10,095 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]=== [2019-09-10 14:58:10,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:10,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1638423691, now seen corresponding path program 1 times [2019-09-10 14:58:10,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:10,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:10,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:10,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:10,100 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-09-10 14:58:10,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:10,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:10,360 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:10,361 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:10,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:10,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:10,362 INFO L87 Difference]: Start difference. First operand 6289 states and 8155 transitions. Second operand 5 states. [2019-09-10 14:58:10,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:10,477 INFO L93 Difference]: Finished difference Result 6711 states and 8626 transitions. [2019-09-10 14:58:10,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:10,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 184 [2019-09-10 14:58:10,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:10,507 INFO L225 Difference]: With dead ends: 6711 [2019-09-10 14:58:10,507 INFO L226 Difference]: Without dead ends: 6711 [2019-09-10 14:58:10,508 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 [2019-09-10 14:58:10,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2019-09-10 14:58:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6709. [2019-09-10 14:58:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6709 states. [2019-09-10 14:58:10,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6709 states to 6709 states and 8625 transitions. [2019-09-10 14:58:10,700 INFO L78 Accepts]: Start accepts. Automaton has 6709 states and 8625 transitions. Word has length 184 [2019-09-10 14:58:10,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:10,702 INFO L475 AbstractCegarLoop]: Abstraction has 6709 states and 8625 transitions. [2019-09-10 14:58:10,702 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 6709 states and 8625 transitions. [2019-09-10 14:58:10,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-09-10 14:58:10,705 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:10,706 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] [2019-09-10 14:58:10,706 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]=== [2019-09-10 14:58:10,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:10,707 INFO L82 PathProgramCache]: Analyzing trace with hash 266398364, now seen corresponding path program 1 times [2019-09-10 14:58:10,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:10,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:10,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:10,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:10,711 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:10,959 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-09-10 14:58:10,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:10,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:10,960 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:10,961 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:10,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:10,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:10,962 INFO L87 Difference]: Start difference. First operand 6709 states and 8625 transitions. Second operand 5 states. [2019-09-10 14:58:11,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:11,076 INFO L93 Difference]: Finished difference Result 6713 states and 8628 transitions. [2019-09-10 14:58:11,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:11,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 189 [2019-09-10 14:58:11,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:11,106 INFO L225 Difference]: With dead ends: 6713 [2019-09-10 14:58:11,106 INFO L226 Difference]: Without dead ends: 6711 [2019-09-10 14:58:11,107 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 [2019-09-10 14:58:11,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2019-09-10 14:58:11,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6711. [2019-09-10 14:58:11,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6711 states. [2019-09-10 14:58:11,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6711 states to 6711 states and 8626 transitions. [2019-09-10 14:58:11,372 INFO L78 Accepts]: Start accepts. Automaton has 6711 states and 8626 transitions. Word has length 189 [2019-09-10 14:58:11,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:11,373 INFO L475 AbstractCegarLoop]: Abstraction has 6711 states and 8626 transitions. [2019-09-10 14:58:11,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 6711 states and 8626 transitions. [2019-09-10 14:58:11,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-09-10 14:58:11,377 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:11,377 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] [2019-09-10 14:58:11,378 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]=== [2019-09-10 14:58:11,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:11,378 INFO L82 PathProgramCache]: Analyzing trace with hash -235890965, now seen corresponding path program 1 times [2019-09-10 14:58:11,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:11,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:11,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:11,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:11,383 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:11,617 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-09-10 14:58:11,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:11,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:11,618 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:11,618 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:11,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:11,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:11,619 INFO L87 Difference]: Start difference. First operand 6711 states and 8626 transitions. Second operand 5 states. [2019-09-10 14:58:11,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:11,754 INFO L93 Difference]: Finished difference Result 6709 states and 8624 transitions. [2019-09-10 14:58:11,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 14:58:11,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 194 [2019-09-10 14:58:11,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:11,788 INFO L225 Difference]: With dead ends: 6709 [2019-09-10 14:58:11,789 INFO L226 Difference]: Without dead ends: 6481 [2019-09-10 14:58:11,789 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 [2019-09-10 14:58:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6481 states. [2019-09-10 14:58:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6481 to 6481. [2019-09-10 14:58:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6481 states. [2019-09-10 14:58:12,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6481 states to 6481 states and 8334 transitions. [2019-09-10 14:58:12,016 INFO L78 Accepts]: Start accepts. Automaton has 6481 states and 8334 transitions. Word has length 194 [2019-09-10 14:58:12,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:12,016 INFO L475 AbstractCegarLoop]: Abstraction has 6481 states and 8334 transitions. [2019-09-10 14:58:12,016 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:12,017 INFO L276 IsEmpty]: Start isEmpty. Operand 6481 states and 8334 transitions. [2019-09-10 14:58:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-09-10 14:58:12,020 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:12,020 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] [2019-09-10 14:58:12,021 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]=== [2019-09-10 14:58:12,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:12,021 INFO L82 PathProgramCache]: Analyzing trace with hash 585922664, now seen corresponding path program 1 times [2019-09-10 14:58:12,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:12,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:12,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:12,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:12,025 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-09-10 14:58:12,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:12,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:58:12,306 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:12,306 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:58:12,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:58:12,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:58:12,307 INFO L87 Difference]: Start difference. First operand 6481 states and 8334 transitions. Second operand 3 states. [2019-09-10 14:58:12,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:12,796 INFO L93 Difference]: Finished difference Result 8192 states and 10462 transitions. [2019-09-10 14:58:12,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:58:12,797 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-09-10 14:58:12,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:12,831 INFO L225 Difference]: With dead ends: 8192 [2019-09-10 14:58:12,831 INFO L226 Difference]: Without dead ends: 8192 [2019-09-10 14:58:12,832 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 [2019-09-10 14:58:12,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8192 states. [2019-09-10 14:58:13,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8192 to 8172. [2019-09-10 14:58:13,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8172 states. [2019-09-10 14:58:13,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8172 states to 8172 states and 10436 transitions. [2019-09-10 14:58:13,067 INFO L78 Accepts]: Start accepts. Automaton has 8172 states and 10436 transitions. Word has length 200 [2019-09-10 14:58:13,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:13,067 INFO L475 AbstractCegarLoop]: Abstraction has 8172 states and 10436 transitions. [2019-09-10 14:58:13,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:58:13,067 INFO L276 IsEmpty]: Start isEmpty. Operand 8172 states and 10436 transitions. [2019-09-10 14:58:13,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-10 14:58:13,071 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:13,071 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] [2019-09-10 14:58:13,072 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]=== [2019-09-10 14:58:13,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:13,072 INFO L82 PathProgramCache]: Analyzing trace with hash -523919051, now seen corresponding path program 1 times [2019-09-10 14:58:13,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:13,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:13,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:13,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:13,075 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-09-10 14:58:13,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:13,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:58:13,431 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:13,431 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:58:13,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:58:13,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:58:13,432 INFO L87 Difference]: Start difference. First operand 8172 states and 10436 transitions. Second operand 3 states. [2019-09-10 14:58:13,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:13,923 INFO L93 Difference]: Finished difference Result 8838 states and 11098 transitions. [2019-09-10 14:58:13,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:58:13,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-09-10 14:58:13,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:13,975 INFO L225 Difference]: With dead ends: 8838 [2019-09-10 14:58:13,975 INFO L226 Difference]: Without dead ends: 8838 [2019-09-10 14:58:13,977 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 [2019-09-10 14:58:13,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8838 states. [2019-09-10 14:58:14,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8838 to 8818. [2019-09-10 14:58:14,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8818 states. [2019-09-10 14:58:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8818 states to 8818 states and 11072 transitions. [2019-09-10 14:58:14,338 INFO L78 Accepts]: Start accepts. Automaton has 8818 states and 11072 transitions. Word has length 205 [2019-09-10 14:58:14,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:14,338 INFO L475 AbstractCegarLoop]: Abstraction has 8818 states and 11072 transitions. [2019-09-10 14:58:14,338 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:58:14,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8818 states and 11072 transitions. [2019-09-10 14:58:14,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-09-10 14:58:14,344 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:14,344 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] [2019-09-10 14:58:14,344 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]=== [2019-09-10 14:58:14,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:14,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1355236379, now seen corresponding path program 1 times [2019-09-10 14:58:14,345 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:14,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:14,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:14,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:14,349 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:14,658 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-09-10 14:58:14,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:14,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:14,659 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:14,660 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:14,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:14,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:14,661 INFO L87 Difference]: Start difference. First operand 8818 states and 11072 transitions. Second operand 5 states. [2019-09-10 14:58:25,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:25,275 INFO L93 Difference]: Finished difference Result 10332 states and 12977 transitions. [2019-09-10 14:58:25,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:58:25,280 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 228 [2019-09-10 14:58:25,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:25,324 INFO L225 Difference]: With dead ends: 10332 [2019-09-10 14:58:25,324 INFO L226 Difference]: Without dead ends: 10332 [2019-09-10 14:58:25,325 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 [2019-09-10 14:58:25,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10332 states. [2019-09-10 14:58:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10332 to 10312. [2019-09-10 14:58:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10312 states. [2019-09-10 14:58:25,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10312 states to 10312 states and 12951 transitions. [2019-09-10 14:58:25,591 INFO L78 Accepts]: Start accepts. Automaton has 10312 states and 12951 transitions. Word has length 228 [2019-09-10 14:58:25,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:25,591 INFO L475 AbstractCegarLoop]: Abstraction has 10312 states and 12951 transitions. [2019-09-10 14:58:25,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 10312 states and 12951 transitions. [2019-09-10 14:58:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-10 14:58:25,597 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:25,598 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] [2019-09-10 14:58:25,598 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]=== [2019-09-10 14:58:25,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:25,599 INFO L82 PathProgramCache]: Analyzing trace with hash 296705688, now seen corresponding path program 1 times [2019-09-10 14:58:25,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:25,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:25,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:25,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:25,602 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:25,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:25,869 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-09-10 14:58:25,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:25,871 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:25,872 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:25,872 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:25,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:25,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:25,873 INFO L87 Difference]: Start difference. First operand 10312 states and 12951 transitions. Second operand 5 states. [2019-09-10 14:58:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:36,996 INFO L93 Difference]: Finished difference Result 11754 states and 14756 transitions. [2019-09-10 14:58:36,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:58:36,997 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 234 [2019-09-10 14:58:36,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:37,047 INFO L225 Difference]: With dead ends: 11754 [2019-09-10 14:58:37,048 INFO L226 Difference]: Without dead ends: 11754 [2019-09-10 14:58:37,048 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 [2019-09-10 14:58:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11754 states. [2019-09-10 14:58:37,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11754 to 11734. [2019-09-10 14:58:37,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11734 states. [2019-09-10 14:58:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11734 states to 11734 states and 14730 transitions. [2019-09-10 14:58:37,437 INFO L78 Accepts]: Start accepts. Automaton has 11734 states and 14730 transitions. Word has length 234 [2019-09-10 14:58:37,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:37,438 INFO L475 AbstractCegarLoop]: Abstraction has 11734 states and 14730 transitions. [2019-09-10 14:58:37,438 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:37,438 INFO L276 IsEmpty]: Start isEmpty. Operand 11734 states and 14730 transitions. [2019-09-10 14:58:37,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-09-10 14:58:37,443 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:37,444 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] [2019-09-10 14:58:37,444 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]=== [2019-09-10 14:58:37,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:37,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1973570857, now seen corresponding path program 1 times [2019-09-10 14:58:37,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:37,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:37,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:37,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:37,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:37,735 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-09-10 14:58:37,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:37,736 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:37,736 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:37,736 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:37,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:37,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:37,737 INFO L87 Difference]: Start difference. First operand 11734 states and 14730 transitions. Second operand 5 states. [2019-09-10 14:58:48,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:58:48,357 INFO L93 Difference]: Finished difference Result 12621 states and 15837 transitions. [2019-09-10 14:58:48,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:58:48,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 232 [2019-09-10 14:58:48,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:58:48,416 INFO L225 Difference]: With dead ends: 12621 [2019-09-10 14:58:48,417 INFO L226 Difference]: Without dead ends: 12621 [2019-09-10 14:58:48,418 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 [2019-09-10 14:58:48,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12621 states. [2019-09-10 14:58:48,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12621 to 12601. [2019-09-10 14:58:48,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12601 states. [2019-09-10 14:58:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12601 states to 12601 states and 15811 transitions. [2019-09-10 14:58:48,883 INFO L78 Accepts]: Start accepts. Automaton has 12601 states and 15811 transitions. Word has length 232 [2019-09-10 14:58:48,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:58:48,884 INFO L475 AbstractCegarLoop]: Abstraction has 12601 states and 15811 transitions. [2019-09-10 14:58:48,884 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:58:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 12601 states and 15811 transitions. [2019-09-10 14:58:48,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-10 14:58:48,894 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:58:48,895 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] [2019-09-10 14:58:48,895 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]=== [2019-09-10 14:58:48,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:58:48,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1101173645, now seen corresponding path program 1 times [2019-09-10 14:58:48,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:58:48,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:48,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:58:48,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:58:48,901 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:58:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:58:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-09-10 14:58:49,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:58:49,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:58:49,293 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:58:49,294 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:58:49,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:58:49,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:58:49,296 INFO L87 Difference]: Start difference. First operand 12601 states and 15811 transitions. Second operand 5 states. [2019-09-10 14:59:00,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:59:00,094 INFO L93 Difference]: Finished difference Result 14019 states and 17660 transitions. [2019-09-10 14:59:00,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:59:00,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 241 [2019-09-10 14:59:00,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:59:00,146 INFO L225 Difference]: With dead ends: 14019 [2019-09-10 14:59:00,147 INFO L226 Difference]: Without dead ends: 14019 [2019-09-10 14:59:00,147 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 [2019-09-10 14:59:00,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14019 states. [2019-09-10 14:59:00,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14019 to 13999. [2019-09-10 14:59:00,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13999 states. [2019-09-10 14:59:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13999 states to 13999 states and 17634 transitions. [2019-09-10 14:59:00,512 INFO L78 Accepts]: Start accepts. Automaton has 13999 states and 17634 transitions. Word has length 241 [2019-09-10 14:59:00,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:59:00,513 INFO L475 AbstractCegarLoop]: Abstraction has 13999 states and 17634 transitions. [2019-09-10 14:59:00,513 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:59:00,513 INFO L276 IsEmpty]: Start isEmpty. Operand 13999 states and 17634 transitions. [2019-09-10 14:59:00,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2019-09-10 14:59:00,523 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:59:00,524 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] [2019-09-10 14:59:00,524 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]=== [2019-09-10 14:59:00,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:59:00,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1676046471, now seen corresponding path program 1 times [2019-09-10 14:59:00,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:59:00,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:59:00,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:59:00,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:59:00,529 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:59:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:59:00,831 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 274 trivial. 0 not checked. [2019-09-10 14:59:00,831 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 14:59:00,831 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 14:59:00,834 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2019-09-10 14:59:00,843 INFO L207 CegarAbsIntRunner]: [1], [26], [28], [30], [31], [38], [40], [41], [55], [56], [285], [288], [289], [438], [439], [446], [449], [455], [457], [470], [471], [684], [817], [819], [820], [839], [841], [842], [881], [884], [886], [887], [914], [916], [917], [1063], [1065], [1066], [1075], [1077], [1078], [1095], [1097], [1098], [1230], [1236], [1237], [1246], [1247], [1254], [1261], [1262], [1281], [1286], [1291], [1296], [1301], [1306], [1309], [1311], [1316], [1321], [1326], [1331], [1334], [1336], [1339], [1378], [1415], [1418], [1420], [1422], [1424], [1429], [1446], [1467], [1469], [1470], [1471], [1472], [1734], [1736], [1739], [1876], [2046], [2048], [2051], [2053], [2056], [2060], [2075], [2077], [2080], [2094], [2100], [2101], [2103], [2114], [2115], [2194], [2196], [2208], [2209], [2210], [2213], [2216], [2219], [2221], [2226], [2231], [2234], [2303], [2305], [2307], [2309], [2311], [2313], [2314], [2393], [2398], [2403], [2406], [2424], [2426], [2428], [2433], [2436], [2497], [2498], [2499], [2501], [2502], [2509], [2511], [2514], [2532], [2673], [2675], [2676], [2677], [2678], [2685], [2686], [2687], [2688], [2693], [2694], [2947], [3063], [3064], [3077], [3078], [3109], [3110], [3111], [3112], [3113], [3114], [3133], [3134], [3181], [3201], [3202], [3211], [3212], [3217], [3218], [3307], [3327], [3328], [3329], [3330], [3331], [3332], [3333], [3334], [3335], [3336], [3337], [3338], [3361], [3362], [3467], [3468], [3635], [3636], [3637], [3638], [3639], [3640], [3641], [3642], [3653], [3654], [3657], [3658], [3699], [3700], [3701], [3702], [3703], [3704], [3705], [3706], [3707], [3708], [3713], [3714], [3737], [3738], [3739], [3740], [3741], [3742], [3743], [3744], [3745], [3746], [3795], [3796], [3797], [3798], [3799], [3800], [3801], [3802], [3831], [3832], [3833], [3834], [3837], [3838], [3839], [3859], [3969], [3970], [3971], [3973], [3974] [2019-09-10 14:59:00,915 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 14:59:00,915 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 14:59:01,279 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 14:59:01,282 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 333 root evaluator evaluations with a maximum evaluation depth of 0. Performed 333 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 676 variables. [2019-09-10 14:59:01,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:59:01,288 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 14:59:01,482 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 14:59:01,482 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 14:59:01,498 INFO L420 sIntCurrentIteration]: We unified 339 AI predicates to 339 [2019-09-10 14:59:01,499 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 14:59:01,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 14:59:01,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-10 14:59:01,500 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:59:01,502 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 14:59:01,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 14:59:01,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:59:01,504 INFO L87 Difference]: Start difference. First operand 13999 states and 17634 transitions. Second operand 2 states. [2019-09-10 14:59:01,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:59:01,505 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 14:59:01,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 14:59:01,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 340 [2019-09-10 14:59:01,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:59:01,505 INFO L225 Difference]: With dead ends: 2 [2019-09-10 14:59:01,506 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 14:59:01,506 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:59:01,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 14:59:01,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 14:59:01,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 14:59:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 14:59:01,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2019-09-10 14:59:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:59:01,508 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 14:59:01,508 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 14:59:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 14:59:01,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 14:59:01,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:59:01 BoogieIcfgContainer [2019-09-10 14:59:01,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 14:59:01,519 INFO L168 Benchmark]: Toolchain (without parser) took 82049.58 ms. Allocated memory was 132.6 MB in the beginning and 1.1 GB in the end (delta: 965.7 MB). Free memory was 80.6 MB in the beginning and 74.6 MB in the end (delta: 6.0 MB). Peak memory consumption was 971.7 MB. Max. memory is 7.1 GB. [2019-09-10 14:59:01,527 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-10 14:59:01,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2871.47 ms. Allocated memory was 132.6 MB in the beginning and 274.2 MB in the end (delta: 141.6 MB). Free memory was 80.2 MB in the beginning and 158.0 MB in the end (delta: -77.9 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. [2019-09-10 14:59:01,528 INFO L168 Benchmark]: Boogie Preprocessor took 303.39 ms. Allocated memory is still 274.2 MB. Free memory was 158.0 MB in the beginning and 136.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-09-10 14:59:01,532 INFO L168 Benchmark]: RCFGBuilder took 10021.15 ms. Allocated memory was 274.2 MB in the beginning and 451.9 MB in the end (delta: 177.7 MB). Free memory was 136.4 MB in the beginning and 176.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 271.1 MB. Max. memory is 7.1 GB. [2019-09-10 14:59:01,534 INFO L168 Benchmark]: TraceAbstraction took 68848.97 ms. Allocated memory was 451.9 MB in the beginning and 1.1 GB in the end (delta: 646.4 MB). Free memory was 169.9 MB in the beginning and 74.6 MB in the end (delta: 95.3 MB). Peak memory consumption was 741.8 MB. Max. memory is 7.1 GB. [2019-09-10 14:59:01,544 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2871.47 ms. Allocated memory was 132.6 MB in the beginning and 274.2 MB in the end (delta: 141.6 MB). Free memory was 80.2 MB in the beginning and 158.0 MB in the end (delta: -77.9 MB). Peak memory consumption was 118.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 303.39 ms. Allocated memory is still 274.2 MB. Free memory was 158.0 MB in the beginning and 136.4 MB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 10021.15 ms. Allocated memory was 274.2 MB in the beginning and 451.9 MB in the end (delta: 177.7 MB). Free memory was 136.4 MB in the beginning and 176.0 MB in the end (delta: -39.6 MB). Peak memory consumption was 271.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68848.97 ms. Allocated memory was 451.9 MB in the beginning and 1.1 GB in the end (delta: 646.4 MB). Free memory was 169.9 MB in the beginning and 74.6 MB in the end (delta: 95.3 MB). Peak memory consumption was 741.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 7875]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7899]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7911]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 7887]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 268 procedures, 2017 locations, 4 error locations. SAFE Result, 68.7s OverallTime, 19 OverallIterations, 9 TraceHistogramMax, 56.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 32620 SDtfs, 30771 SDslu, 38509 SDs, 0 SdLazy, 12808 SolverSat, 7514 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 48.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 390 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13999occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.2389380530973453 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.8s AutomataMinimizationTime, 19 MinimizatonAttempts, 211 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3606 NumberOfCodeBlocks, 3606 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3587 ConstructedInterpolants, 0 QuantifiedInterpolants, 1021683 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 18 PerfectInterpolantSequences, 2856/2870 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...