java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 21:39:11,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 21:39:11,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 21:39:11,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 21:39:11,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 21:39:11,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 21:39:11,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 21:39:11,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 21:39:11,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 21:39:11,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 21:39:11,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 21:39:11,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 21:39:11,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 21:39:11,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 21:39:11,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 21:39:11,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 21:39:11,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 21:39:11,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 21:39:11,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 21:39:11,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 21:39:11,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 21:39:11,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 21:39:11,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 21:39:11,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 21:39:11,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 21:39:11,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 21:39:11,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 21:39:11,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 21:39:11,841 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 21:39:11,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 21:39:11,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 21:39:11,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 21:39:11,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 21:39:11,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 21:39:11,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 21:39:11,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 21:39:11,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 21:39:11,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 21:39:11,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 21:39:11,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 21:39:11,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 21:39:11,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-08 21:39:11,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 21:39:11,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 21:39:11,873 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 21:39:11,873 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 21:39:11,873 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 21:39:11,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 21:39:11,874 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 21:39:11,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 21:39:11,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 21:39:11,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 21:39:11,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 21:39:11,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 21:39:11,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 21:39:11,875 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 21:39:11,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 21:39:11,876 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 21:39:11,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 21:39:11,876 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 21:39:11,876 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 21:39:11,877 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 21:39:11,877 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 21:39:11,877 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 21:39:11,877 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 21:39:11,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 21:39:11,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 21:39:11,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 21:39:11,878 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 21:39:11,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 21:39:11,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 21:39:11,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 21:39:11,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 21:39:11,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 21:39:11,933 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 21:39:11,934 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 21:39:11,934 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2019-09-08 21:39:11,994 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e31174ce/d0937cbae5ef434282c66232d05ef3fe/FLAG018396abf [2019-09-08 21:39:12,839 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 21:39:12,842 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2019-09-08 21:39:12,888 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e31174ce/d0937cbae5ef434282c66232d05ef3fe/FLAG018396abf [2019-09-08 21:39:13,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e31174ce/d0937cbae5ef434282c66232d05ef3fe [2019-09-08 21:39:13,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 21:39:13,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 21:39:13,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 21:39:13,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 21:39:13,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 21:39:13,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:39:13" (1/1) ... [2019-09-08 21:39:13,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7669911c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:13, skipping insertion in model container [2019-09-08 21:39:13,333 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 09:39:13" (1/1) ... [2019-09-08 21:39:13,340 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 21:39:13,493 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 21:39:16,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 21:39:16,610 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 21:39:16,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 21:39:17,616 INFO L192 MainTranslator]: Completed translation [2019-09-08 21:39:17,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17 WrapperNode [2019-09-08 21:39:17,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 21:39:17,618 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 21:39:17,618 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 21:39:17,618 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 21:39:17,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:17,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:17,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:17,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:17,881 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:17,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:18,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... [2019-09-08 21:39:18,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 21:39:18,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 21:39:18,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 21:39:18,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 21:39:18,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 21:39:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 21:39:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 21:39:18,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-08 21:39:18,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-08 21:39:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 21:39:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_macro [2019-09-08 21:39:18,142 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-08 21:39:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-08 21:39:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-08 21:39:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-08 21:39:18,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-08 21:39:18,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-08 21:39:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-08 21:39:18,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-08 21:39:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-08 21:39:18,147 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-08 21:39:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-08 21:39:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-08 21:39:18,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-08 21:39:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-09-08 21:39:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-08 21:39:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-08 21:39:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-09-08 21:39:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_push [2019-09-08 21:39:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-08 21:39:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-08 21:39:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-08 21:39:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-08 21:39:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-08 21:39:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-08 21:39:18,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-08 21:39:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-08 21:39:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-08 21:39:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-08 21:39:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-08 21:39:18,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-08 21:39:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-08 21:39:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-08 21:39:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-08 21:39:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-08 21:39:18,155 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-08 21:39:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-08 21:39:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-08 21:39:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-08 21:39:18,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-08 21:39:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2019-09-08 21:39:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_read_configuration [2019-09-08 21:39:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_urb_size [2019-09-08 21:39:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_sofs_wait [2019-09-08 21:39:18,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_receive_filter [2019-09-08 21:39:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2019-09-08 21:39:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_trigger_firmware [2019-09-08 21:39:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_reset [2019-09-08 21:39:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2019-09-08 21:39:18,158 INFO L138 BoogieDeclarations]: Found implementation of procedure int_callback [2019-09-08 21:39:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_tl [2019-09-08 21:39:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2019-09-08 21:39:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_usb_receive [2019-09-08 21:39:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2019-09-08 21:39:18,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2019-09-08 21:39:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2019-09-08 21:39:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_get_link [2019-09-08 21:39:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_usb_transmit_complete [2019-09-08 21:39:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_start_xmit [2019-09-08 21:39:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2019-09-08 21:39:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2019-09-08 21:39:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_netdev_stats [2019-09-08 21:39:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2019-09-08 21:39:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_suspend [2019-09-08 21:39:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2019-09-08 21:39:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_probe [2019-09-08 21:39:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2019-09-08 21:39:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_api_blocking_completion [2019-09-08 21:39:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2019-09-08 21:39:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_internal_control_msg [2019-09-08 21:39:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_driver_init [2019-09-08 21:39:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_driver_exit [2019-09-08 21:39:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2019-09-08 21:39:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_kaweth_driver_init_11_9 [2019-09-08 21:39:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-09-08 21:39:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-08 21:39:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2019-09-08 21:39:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2019-09-08 21:39:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_9_11_4 [2019-09-08 21:39:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_2_2 [2019-09-08 21:39:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_4_2 [2019-09-08 21:39:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_2_3 [2019-09-08 21:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 21:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2019-09-08 21:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_4 [2019-09-08 21:39:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_9_11_5 [2019-09-08 21:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-09-08 21:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-09-08 21:39:18,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-09-08 21:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-09-08 21:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-09-08 21:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-09-08 21:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-09-08 21:39:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-09-08 21:39:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2019-09-08 21:39:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 21:39:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-08 21:39:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-08 21:39:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2019-09-08 21:39:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-09-08 21:39:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_7_6 [2019-09-08 21:39:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-08 21:39:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-08 21:39:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-08 21:39:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-09-08 21:39:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-08 21:39:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_3 [2019-09-08 21:39:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-09-08 21:39:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_4 [2019-09-08 21:39:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-08 21:39:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_15 [2019-09-08 21:39:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-08 21:39:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2019-09-08 21:39:18,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_2 [2019-09-08 21:39:18,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_1_2 [2019-09-08 21:39:18,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_1 [2019-09-08 21:39:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-09-08 21:39:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_8_2 [2019-09-08 21:39:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2019-09-08 21:39:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_4 [2019-09-08 21:39:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_3_9 [2019-09-08 21:39:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_3_10 [2019-09-08 21:39:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_3_13 [2019-09-08 21:39:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2019-09-08 21:39:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_3_7 [2019-09-08 21:39:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_3_8 [2019-09-08 21:39:18,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2019-09-08 21:39:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_3 [2019-09-08 21:39:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-08 21:39:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_57 [2019-09-08 21:39:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_81 [2019-09-08 21:39:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_82 [2019-09-08 21:39:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_83 [2019-09-08 21:39:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_84 [2019-09-08 21:39:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2019-09-08 21:39:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2019-09-08 21:39:18,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_88 [2019-09-08 21:39:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2019-09-08 21:39:18,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_expand_90 [2019-09-08 21:39:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2019-09-08 21:39:18,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_92 [2019-09-08 21:39:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_94 [2019-09-08 21:39:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2019-09-08 21:39:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_96 [2019-09-08 21:39:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_98 [2019-09-08 21:39:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_99 [2019-09-08 21:39:18,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_100 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_101 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_102 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_103 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_104 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_105 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_106 [2019-09-08 21:39:18,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_107 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_108 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_109 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_110 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_111 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_112 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_113 [2019-09-08 21:39:18,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-08 21:39:18,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-08 21:39:18,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-08 21:39:18,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-08 21:39:18,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-08 21:39:18,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 21:39:18,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 21:39:18,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 21:39:18,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_device_lock_of_kaweth_device [2019-09-08 21:39:18,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_device_lock_of_kaweth_device [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 21:39:18,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-08 21:39:18,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 21:39:18,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 21:39:18,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-08 21:39:18,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 21:39:18,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 21:39:18,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 21:39:18,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-08 21:39:18,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-08 21:39:18,214 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-08 21:39:18,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-08 21:39:18,216 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-09-08 21:39:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-08 21:39:18,218 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-08 21:39:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-08 21:39:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_configuration [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-08 21:39:18,221 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-08 21:39:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-08 21:39:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-08 21:39:18,222 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-08 21:39:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-08 21:39:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-08 21:39:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-08 21:39:18,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-08 21:39:18,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_macro [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-08 21:39:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 21:39:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-08 21:39:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_94 [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_96 [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-08 21:39:18,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-08 21:39:18,228 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2019-09-08 21:39:18,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-08 21:39:18,230 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_99 [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-09-08 21:39:18,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_81 [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_82 [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-08 21:39:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_expand_90 [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_push [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 21:39:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_57 [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-08 21:39:18,234 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_100 [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_107 [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_109 [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-08 21:39:18,235 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-08 21:39:18,236 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_106 [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_108 [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-08 21:39:18,237 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_112 [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_113 [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-08 21:39:18,238 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_101 [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_102 [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_103 [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_111 [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_83 [2019-09-08 21:39:18,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_84 [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_88 [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_92 [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_110 [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_104 [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_105 [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-08 21:39:18,240 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_configuration [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_98 [2019-09-08 21:39:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_probe [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_internal_control_msg [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_suspend [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2019-09-08 21:39:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_read_configuration [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_urb_size [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_sofs_wait [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_receive_filter [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_trigger_firmware [2019-09-08 21:39:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_reset [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_usb_receive [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure int_callback [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_tl [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2019-09-08 21:39:18,244 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_get_link [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_usb_transmit_complete [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_start_xmit [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_netdev_stats [2019-09-08 21:39:18,245 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_api_blocking_completion [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_driver_init [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_driver_exit [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_kaweth_driver_init_11_9 [2019-09-08 21:39:18,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_9_11_4 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_2_2 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_4_2 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_2_3 [2019-09-08 21:39:18,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_4 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_9_11_5 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-09-08 21:39:18,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-08 21:39:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_7_6 [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-09-08 21:39:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_3 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_4 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_15 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2019-09-08 21:39:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_2 [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_1_2 [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_1 [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_8_2 [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_4 [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_3_9 [2019-09-08 21:39:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_3_10 [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_3_13 [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_3_7 [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_3_8 [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_3 [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-08 21:39:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-08 21:39:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-08 21:39:18,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 21:39:18,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-08 21:39:18,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-08 21:39:18,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-08 21:39:18,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_device_lock_of_kaweth_device [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_device_lock_of_kaweth_device [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_device_lock_of_kaweth_device [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_device_lock_of_kaweth_device [2019-09-08 21:39:18,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_device_lock_of_kaweth_device [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_device_lock_of_kaweth_device [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-08 21:39:18,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-08 21:39:18,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-08 21:39:18,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-08 21:39:18,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-08 21:39:18,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-08 21:39:18,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-08 21:39:18,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-08 21:39:18,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-08 21:39:22,386 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-08 21:39:22,717 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-08 21:39:34,730 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 21:39:34,730 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-08 21:39:34,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:39:34 BoogieIcfgContainer [2019-09-08 21:39:34,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 21:39:34,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 21:39:34,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 21:39:34,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 21:39:34,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 09:39:13" (1/3) ... [2019-09-08 21:39:34,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49499fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:39:34, skipping insertion in model container [2019-09-08 21:39:34,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 09:39:17" (2/3) ... [2019-09-08 21:39:34,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49499fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 09:39:34, skipping insertion in model container [2019-09-08 21:39:34,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 09:39:34" (3/3) ... [2019-09-08 21:39:34,743 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2019-09-08 21:39:34,753 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 21:39:34,768 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-09-08 21:39:34,786 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-09-08 21:39:34,837 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 21:39:34,837 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 21:39:34,837 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 21:39:34,838 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 21:39:34,838 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 21:39:34,838 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 21:39:34,838 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 21:39:34,838 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 21:39:34,838 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 21:39:34,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states. [2019-09-08 21:39:34,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-08 21:39:34,949 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:39:34,950 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:39:34,953 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:39:34,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:39:34,960 INFO L82 PathProgramCache]: Analyzing trace with hash -1661187300, now seen corresponding path program 1 times [2019-09-08 21:39:34,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:39:34,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:39:35,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:39:35,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:39:35,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:39:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:39:37,115 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-09-08 21:39:37,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:39:37,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:39:37,122 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:39:37,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:39:37,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:39:37,138 INFO L87 Difference]: Start difference. First operand 2342 states. Second operand 3 states. [2019-09-08 21:39:41,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:39:41,130 INFO L93 Difference]: Finished difference Result 3972 states and 5041 transitions. [2019-09-08 21:39:41,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:39:41,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-09-08 21:39:41,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:39:41,183 INFO L225 Difference]: With dead ends: 3972 [2019-09-08 21:39:41,184 INFO L226 Difference]: Without dead ends: 2272 [2019-09-08 21:39:41,199 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:39:41,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2019-09-08 21:39:41,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2262. [2019-09-08 21:39:41,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2019-09-08 21:39:41,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 2772 transitions. [2019-09-08 21:39:41,471 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 2772 transitions. Word has length 162 [2019-09-08 21:39:41,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:39:41,472 INFO L475 AbstractCegarLoop]: Abstraction has 2262 states and 2772 transitions. [2019-09-08 21:39:41,473 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:39:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 2772 transitions. [2019-09-08 21:39:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-08 21:39:41,481 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:39:41,481 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:39:41,481 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:39:41,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:39:41,483 INFO L82 PathProgramCache]: Analyzing trace with hash -283528890, now seen corresponding path program 1 times [2019-09-08 21:39:41,483 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:39:41,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:39:41,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:39:41,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:39:41,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:39:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:39:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-09-08 21:39:41,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:39:41,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:39:41,982 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:39:41,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:39:41,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:39:41,983 INFO L87 Difference]: Start difference. First operand 2262 states and 2772 transitions. Second operand 3 states. [2019-09-08 21:39:46,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:39:46,187 INFO L93 Difference]: Finished difference Result 5924 states and 7299 transitions. [2019-09-08 21:39:46,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:39:46,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-09-08 21:39:46,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:39:46,209 INFO L225 Difference]: With dead ends: 5924 [2019-09-08 21:39:46,209 INFO L226 Difference]: Without dead ends: 3695 [2019-09-08 21:39:46,218 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:39:46,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3695 states. [2019-09-08 21:39:46,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3695 to 3685. [2019-09-08 21:39:46,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3685 states. [2019-09-08 21:39:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3685 states to 3685 states and 4543 transitions. [2019-09-08 21:39:46,399 INFO L78 Accepts]: Start accepts. Automaton has 3685 states and 4543 transitions. Word has length 196 [2019-09-08 21:39:46,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:39:46,400 INFO L475 AbstractCegarLoop]: Abstraction has 3685 states and 4543 transitions. [2019-09-08 21:39:46,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:39:46,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3685 states and 4543 transitions. [2019-09-08 21:39:46,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-08 21:39:46,410 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:39:46,410 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 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] [2019-09-08 21:39:46,411 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:39:46,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:39:46,411 INFO L82 PathProgramCache]: Analyzing trace with hash 2069954220, now seen corresponding path program 1 times [2019-09-08 21:39:46,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:39:46,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:39:46,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:39:46,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:39:46,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:39:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:39:46,952 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-09-08 21:39:46,953 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:39:46,953 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:39:46,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:39:46,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:39:46,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:39:46,955 INFO L87 Difference]: Start difference. First operand 3685 states and 4543 transitions. Second operand 5 states. [2019-09-08 21:40:04,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:04,555 INFO L93 Difference]: Finished difference Result 11013 states and 13603 transitions. [2019-09-08 21:40:04,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:40:04,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2019-09-08 21:40:04,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:04,606 INFO L225 Difference]: With dead ends: 11013 [2019-09-08 21:40:04,606 INFO L226 Difference]: Without dead ends: 7361 [2019-09-08 21:40:04,621 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:40:04,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2019-09-08 21:40:04,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 7333. [2019-09-08 21:40:04,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2019-09-08 21:40:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 9058 transitions. [2019-09-08 21:40:04,937 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 9058 transitions. Word has length 193 [2019-09-08 21:40:04,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:04,938 INFO L475 AbstractCegarLoop]: Abstraction has 7333 states and 9058 transitions. [2019-09-08 21:40:04,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:40:04,939 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 9058 transitions. [2019-09-08 21:40:04,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-09-08 21:40:04,948 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:04,949 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:04,949 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:04,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:04,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1344300712, now seen corresponding path program 1 times [2019-09-08 21:40:04,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:04,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:04,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:04,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:04,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-09-08 21:40:05,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:05,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:40:05,565 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:40:05,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:40:05,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:40:05,565 INFO L87 Difference]: Start difference. First operand 7333 states and 9058 transitions. Second operand 3 states. [2019-09-08 21:40:09,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:09,710 INFO L93 Difference]: Finished difference Result 17383 states and 21418 transitions. [2019-09-08 21:40:09,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:40:09,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-09-08 21:40:09,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:09,769 INFO L225 Difference]: With dead ends: 17383 [2019-09-08 21:40:09,769 INFO L226 Difference]: Without dead ends: 10083 [2019-09-08 21:40:09,795 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:40:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10083 states. [2019-09-08 21:40:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10083 to 10055. [2019-09-08 21:40:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10055 states. [2019-09-08 21:40:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 12316 transitions. [2019-09-08 21:40:10,182 INFO L78 Accepts]: Start accepts. Automaton has 10055 states and 12316 transitions. Word has length 293 [2019-09-08 21:40:10,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:10,184 INFO L475 AbstractCegarLoop]: Abstraction has 10055 states and 12316 transitions. [2019-09-08 21:40:10,185 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:40:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 12316 transitions. [2019-09-08 21:40:10,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2019-09-08 21:40:10,195 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:10,196 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:10,196 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:10,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:10,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1928123024, now seen corresponding path program 1 times [2019-09-08 21:40:10,197 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:10,197 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:10,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:10,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:10,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:40:11,058 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:11,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-08 21:40:11,060 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-08 21:40:11,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-08 21:40:11,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 21:40:11,061 INFO L87 Difference]: Start difference. First operand 10055 states and 12316 transitions. Second operand 4 states. [2019-09-08 21:40:17,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:17,298 INFO L93 Difference]: Finished difference Result 20077 states and 24987 transitions. [2019-09-08 21:40:17,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:40:17,299 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 436 [2019-09-08 21:40:17,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:17,350 INFO L225 Difference]: With dead ends: 20077 [2019-09-08 21:40:17,350 INFO L226 Difference]: Without dead ends: 10055 [2019-09-08 21:40:17,386 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-08 21:40:17,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10055 states. [2019-09-08 21:40:17,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10055 to 10055. [2019-09-08 21:40:17,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10055 states. [2019-09-08 21:40:17,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 12306 transitions. [2019-09-08 21:40:17,742 INFO L78 Accepts]: Start accepts. Automaton has 10055 states and 12306 transitions. Word has length 436 [2019-09-08 21:40:17,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:17,744 INFO L475 AbstractCegarLoop]: Abstraction has 10055 states and 12306 transitions. [2019-09-08 21:40:17,744 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-08 21:40:17,744 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 12306 transitions. [2019-09-08 21:40:17,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-09-08 21:40:17,754 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:17,755 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:17,755 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:17,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:17,756 INFO L82 PathProgramCache]: Analyzing trace with hash -655834874, now seen corresponding path program 1 times [2019-09-08 21:40:17,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:17,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:17,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:17,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:17,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:18,527 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:40:18,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:18,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:40:18,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:40:18,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:40:18,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:40:18,529 INFO L87 Difference]: Start difference. First operand 10055 states and 12306 transitions. Second operand 5 states. [2019-09-08 21:40:25,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:25,235 INFO L93 Difference]: Finished difference Result 20077 states and 24967 transitions. [2019-09-08 21:40:25,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:40:25,235 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 437 [2019-09-08 21:40:25,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:25,280 INFO L225 Difference]: With dead ends: 20077 [2019-09-08 21:40:25,280 INFO L226 Difference]: Without dead ends: 10055 [2019-09-08 21:40:25,317 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:40:25,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10055 states. [2019-09-08 21:40:25,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10055 to 10055. [2019-09-08 21:40:25,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10055 states. [2019-09-08 21:40:25,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 12296 transitions. [2019-09-08 21:40:25,702 INFO L78 Accepts]: Start accepts. Automaton has 10055 states and 12296 transitions. Word has length 437 [2019-09-08 21:40:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:25,704 INFO L475 AbstractCegarLoop]: Abstraction has 10055 states and 12296 transitions. [2019-09-08 21:40:25,704 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:40:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 12296 transitions. [2019-09-08 21:40:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-09-08 21:40:25,718 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:25,718 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:25,719 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:25,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:25,719 INFO L82 PathProgramCache]: Analyzing trace with hash -772844340, now seen corresponding path program 1 times [2019-09-08 21:40:25,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:25,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:25,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:25,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:25,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:40:26,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:26,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:40:26,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:40:26,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:40:26,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:40:26,567 INFO L87 Difference]: Start difference. First operand 10055 states and 12296 transitions. Second operand 5 states. [2019-09-08 21:40:33,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:33,068 INFO L93 Difference]: Finished difference Result 20077 states and 24947 transitions. [2019-09-08 21:40:33,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:40:33,070 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 438 [2019-09-08 21:40:33,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:33,107 INFO L225 Difference]: With dead ends: 20077 [2019-09-08 21:40:33,107 INFO L226 Difference]: Without dead ends: 10055 [2019-09-08 21:40:33,132 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:40:33,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10055 states. [2019-09-08 21:40:33,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10055 to 10055. [2019-09-08 21:40:33,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10055 states. [2019-09-08 21:40:33,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10055 states to 10055 states and 12286 transitions. [2019-09-08 21:40:33,653 INFO L78 Accepts]: Start accepts. Automaton has 10055 states and 12286 transitions. Word has length 438 [2019-09-08 21:40:33,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:33,654 INFO L475 AbstractCegarLoop]: Abstraction has 10055 states and 12286 transitions. [2019-09-08 21:40:33,654 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:40:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 10055 states and 12286 transitions. [2019-09-08 21:40:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-09-08 21:40:33,667 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:33,668 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:33,668 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:33,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:33,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1723863742, now seen corresponding path program 1 times [2019-09-08 21:40:33,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:33,669 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:33,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:33,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:33,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:34,438 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:40:34,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:34,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:40:34,440 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:40:34,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:40:34,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:40:34,441 INFO L87 Difference]: Start difference. First operand 10055 states and 12286 transitions. Second operand 5 states. [2019-09-08 21:40:45,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:45,524 INFO L93 Difference]: Finished difference Result 37621 states and 46841 transitions. [2019-09-08 21:40:45,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:40:45,528 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 439 [2019-09-08 21:40:45,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:45,648 INFO L225 Difference]: With dead ends: 37621 [2019-09-08 21:40:45,648 INFO L226 Difference]: Without dead ends: 27599 [2019-09-08 21:40:45,679 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:40:45,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27599 states. [2019-09-08 21:40:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27599 to 27579. [2019-09-08 21:40:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:40:46,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34270 transitions. [2019-09-08 21:40:46,798 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34270 transitions. Word has length 439 [2019-09-08 21:40:46,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:46,799 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34270 transitions. [2019-09-08 21:40:46,799 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:40:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34270 transitions. [2019-09-08 21:40:46,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2019-09-08 21:40:46,806 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:46,807 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:46,807 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:46,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:46,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1535579912, now seen corresponding path program 1 times [2019-09-08 21:40:46,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:46,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:46,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:46,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:46,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:47,445 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:40:47,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:47,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:40:47,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:40:47,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:40:47,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:40:47,447 INFO L87 Difference]: Start difference. First operand 27579 states and 34270 transitions. Second operand 5 states. [2019-09-08 21:40:54,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:40:54,150 INFO L93 Difference]: Finished difference Result 55125 states and 69811 transitions. [2019-09-08 21:40:54,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:40:54,151 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 440 [2019-09-08 21:40:54,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:40:54,265 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:40:54,265 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:40:54,340 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:40:54,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:40:55,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:40:55,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:40:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34244 transitions. [2019-09-08 21:40:55,528 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34244 transitions. Word has length 440 [2019-09-08 21:40:55,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:40:55,530 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34244 transitions. [2019-09-08 21:40:55,530 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:40:55,530 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34244 transitions. [2019-09-08 21:40:55,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-09-08 21:40:55,536 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:40:55,537 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:40:55,537 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:40:55,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:40:55,537 INFO L82 PathProgramCache]: Analyzing trace with hash -2119575170, now seen corresponding path program 1 times [2019-09-08 21:40:55,537 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:40:55,537 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:40:55,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:55,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:40:55,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:40:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:40:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:40:56,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:40:56,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:40:56,184 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:40:56,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:40:56,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:40:56,185 INFO L87 Difference]: Start difference. First operand 27579 states and 34244 transitions. Second operand 5 states. [2019-09-08 21:41:02,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:02,961 INFO L93 Difference]: Finished difference Result 55125 states and 69759 transitions. [2019-09-08 21:41:02,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:02,961 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 441 [2019-09-08 21:41:02,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:03,069 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:03,069 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:03,140 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34218 transitions. [2019-09-08 21:41:05,715 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34218 transitions. Word has length 441 [2019-09-08 21:41:05,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:05,716 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34218 transitions. [2019-09-08 21:41:05,716 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34218 transitions. [2019-09-08 21:41:05,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2019-09-08 21:41:05,723 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:05,724 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:05,724 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:05,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:05,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1083958972, now seen corresponding path program 1 times [2019-09-08 21:41:05,724 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:05,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:05,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:05,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:05,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:06,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:06,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:41:06,338 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:41:06,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:41:06,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:41:06,339 INFO L87 Difference]: Start difference. First operand 27579 states and 34218 transitions. Second operand 5 states. [2019-09-08 21:41:13,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:13,053 INFO L93 Difference]: Finished difference Result 55125 states and 69707 transitions. [2019-09-08 21:41:13,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:13,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 442 [2019-09-08 21:41:13,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:13,158 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:13,158 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:13,228 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:13,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:14,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:14,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:14,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34192 transitions. [2019-09-08 21:41:14,480 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34192 transitions. Word has length 442 [2019-09-08 21:41:14,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:14,481 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34192 transitions. [2019-09-08 21:41:14,482 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:14,482 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34192 transitions. [2019-09-08 21:41:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-09-08 21:41:14,488 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:14,489 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:14,489 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:14,490 INFO L82 PathProgramCache]: Analyzing trace with hash -663321158, now seen corresponding path program 1 times [2019-09-08 21:41:14,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:14,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:14,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:14,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:14,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:15,088 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:15,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:15,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:41:15,089 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:41:15,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:41:15,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:41:15,090 INFO L87 Difference]: Start difference. First operand 27579 states and 34192 transitions. Second operand 5 states. [2019-09-08 21:41:21,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:21,849 INFO L93 Difference]: Finished difference Result 55125 states and 69655 transitions. [2019-09-08 21:41:21,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:21,849 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 443 [2019-09-08 21:41:21,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:21,932 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:21,932 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:21,982 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:22,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:22,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:22,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34166 transitions. [2019-09-08 21:41:22,924 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34166 transitions. Word has length 443 [2019-09-08 21:41:22,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:22,925 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34166 transitions. [2019-09-08 21:41:22,925 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:22,926 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34166 transitions. [2019-09-08 21:41:22,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-09-08 21:41:22,933 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:22,934 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:22,934 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:22,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:22,935 INFO L82 PathProgramCache]: Analyzing trace with hash -2127144064, now seen corresponding path program 1 times [2019-09-08 21:41:22,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:22,935 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:22,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:22,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:22,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:24,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:24,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:41:24,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:41:24,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:41:24,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:41:24,031 INFO L87 Difference]: Start difference. First operand 27579 states and 34166 transitions. Second operand 5 states. [2019-09-08 21:41:30,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:30,698 INFO L93 Difference]: Finished difference Result 55125 states and 69603 transitions. [2019-09-08 21:41:30,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:30,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 444 [2019-09-08 21:41:30,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:30,801 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:30,801 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:30,874 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:30,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:32,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:32,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:32,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34140 transitions. [2019-09-08 21:41:32,114 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34140 transitions. Word has length 444 [2019-09-08 21:41:32,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:32,115 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34140 transitions. [2019-09-08 21:41:32,115 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:32,115 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34140 transitions. [2019-09-08 21:41:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-09-08 21:41:32,122 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:32,122 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:32,123 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:32,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:32,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1879707146, now seen corresponding path program 1 times [2019-09-08 21:41:32,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:32,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:32,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:32,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:32,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:32,752 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:32,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:32,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:41:32,753 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:41:32,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:41:32,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:41:32,754 INFO L87 Difference]: Start difference. First operand 27579 states and 34140 transitions. Second operand 5 states. [2019-09-08 21:41:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:39,674 INFO L93 Difference]: Finished difference Result 55125 states and 69551 transitions. [2019-09-08 21:41:39,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:39,675 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 445 [2019-09-08 21:41:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:39,768 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:39,768 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:39,822 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:39,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:40,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34114 transitions. [2019-09-08 21:41:40,707 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34114 transitions. Word has length 445 [2019-09-08 21:41:40,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:40,708 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34114 transitions. [2019-09-08 21:41:40,708 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34114 transitions. [2019-09-08 21:41:40,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2019-09-08 21:41:40,713 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:40,713 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:40,713 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:40,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:40,714 INFO L82 PathProgramCache]: Analyzing trace with hash -122823236, now seen corresponding path program 1 times [2019-09-08 21:41:40,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:40,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:40,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:40,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:40,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:40,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:41,659 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:41,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:41,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:41:41,660 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:41:41,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:41:41,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:41:41,661 INFO L87 Difference]: Start difference. First operand 27579 states and 34114 transitions. Second operand 5 states. [2019-09-08 21:41:48,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:48,300 INFO L93 Difference]: Finished difference Result 55125 states and 69499 transitions. [2019-09-08 21:41:48,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:48,300 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 446 [2019-09-08 21:41:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:48,371 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:48,371 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:48,414 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:48,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:49,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:49,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34088 transitions. [2019-09-08 21:41:49,604 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34088 transitions. Word has length 446 [2019-09-08 21:41:49,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:49,605 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34088 transitions. [2019-09-08 21:41:49,605 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:49,605 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34088 transitions. [2019-09-08 21:41:49,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2019-09-08 21:41:49,609 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:49,609 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:49,609 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:49,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:49,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1182277170, now seen corresponding path program 1 times [2019-09-08 21:41:49,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:49,610 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:49,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:49,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:49,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:50,214 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:50,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:50,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:41:50,217 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:41:50,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:41:50,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:41:50,218 INFO L87 Difference]: Start difference. First operand 27579 states and 34088 transitions. Second operand 5 states. [2019-09-08 21:41:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:41:56,997 INFO L93 Difference]: Finished difference Result 55125 states and 69447 transitions. [2019-09-08 21:41:56,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:41:56,998 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 447 [2019-09-08 21:41:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:41:57,083 INFO L225 Difference]: With dead ends: 55125 [2019-09-08 21:41:57,083 INFO L226 Difference]: Without dead ends: 27579 [2019-09-08 21:41:57,427 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:41:57,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27579 states. [2019-09-08 21:41:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27579 to 27579. [2019-09-08 21:41:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27579 states. [2019-09-08 21:41:58,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27579 states to 27579 states and 34062 transitions. [2019-09-08 21:41:58,266 INFO L78 Accepts]: Start accepts. Automaton has 27579 states and 34062 transitions. Word has length 447 [2019-09-08 21:41:58,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:41:58,267 INFO L475 AbstractCegarLoop]: Abstraction has 27579 states and 34062 transitions. [2019-09-08 21:41:58,267 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:41:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 27579 states and 34062 transitions. [2019-09-08 21:41:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2019-09-08 21:41:58,271 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:41:58,271 INFO L399 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 8, 8, 8, 8, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:41:58,271 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:41:58,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:41:58,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1369879791, now seen corresponding path program 1 times [2019-09-08 21:41:58,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:41:58,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:41:58,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:58,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:41:58,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:41:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:41:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-08 21:41:58,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:41:58,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 21:41:58,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 21:41:58,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 21:41:58,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:41:58,765 INFO L87 Difference]: Start difference. First operand 27579 states and 34062 transitions. Second operand 7 states. [2019-09-08 21:42:00,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:00,921 INFO L93 Difference]: Finished difference Result 27713 states and 34397 transitions. [2019-09-08 21:42:00,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 21:42:00,921 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 447 [2019-09-08 21:42:00,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:00,974 INFO L225 Difference]: With dead ends: 27713 [2019-09-08 21:42:00,974 INFO L226 Difference]: Without dead ends: 27711 [2019-09-08 21:42:00,981 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:42:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27711 states. [2019-09-08 21:42:01,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27711 to 27675. [2019-09-08 21:42:01,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27675 states. [2019-09-08 21:42:01,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27675 states to 27675 states and 34210 transitions. [2019-09-08 21:42:01,867 INFO L78 Accepts]: Start accepts. Automaton has 27675 states and 34210 transitions. Word has length 447 [2019-09-08 21:42:01,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:01,867 INFO L475 AbstractCegarLoop]: Abstraction has 27675 states and 34210 transitions. [2019-09-08 21:42:01,867 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 21:42:01,868 INFO L276 IsEmpty]: Start isEmpty. Operand 27675 states and 34210 transitions. [2019-09-08 21:42:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2019-09-08 21:42:01,875 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:01,875 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:01,875 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:01,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:01,876 INFO L82 PathProgramCache]: Analyzing trace with hash 964151106, now seen corresponding path program 1 times [2019-09-08 21:42:01,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:01,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:01,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:01,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:01,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:02,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2019-09-08 21:42:02,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:02,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:42:02,475 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:42:02,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:42:02,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:42:02,475 INFO L87 Difference]: Start difference. First operand 27675 states and 34210 transitions. Second operand 3 states. [2019-09-08 21:42:07,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:07,484 INFO L93 Difference]: Finished difference Result 59533 states and 73550 transitions. [2019-09-08 21:42:07,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:42:07,485 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 534 [2019-09-08 21:42:07,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:07,563 INFO L225 Difference]: With dead ends: 59533 [2019-09-08 21:42:07,563 INFO L226 Difference]: Without dead ends: 31891 [2019-09-08 21:42:07,603 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:42:07,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31891 states. [2019-09-08 21:42:08,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31891 to 31807. [2019-09-08 21:42:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31807 states. [2019-09-08 21:42:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31807 states to 31807 states and 39200 transitions. [2019-09-08 21:42:08,645 INFO L78 Accepts]: Start accepts. Automaton has 31807 states and 39200 transitions. Word has length 534 [2019-09-08 21:42:08,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:08,646 INFO L475 AbstractCegarLoop]: Abstraction has 31807 states and 39200 transitions. [2019-09-08 21:42:08,646 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:42:08,646 INFO L276 IsEmpty]: Start isEmpty. Operand 31807 states and 39200 transitions. [2019-09-08 21:42:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2019-09-08 21:42:08,653 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:08,654 INFO L399 BasicCegarLoop]: trace histogram [15, 15, 15, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:08,654 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:08,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:08,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1327617604, now seen corresponding path program 1 times [2019-09-08 21:42:08,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:08,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:08,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:08,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:08,657 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2019-09-08 21:42:09,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:09,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:42:09,730 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:42:09,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:42:09,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:42:09,731 INFO L87 Difference]: Start difference. First operand 31807 states and 39200 transitions. Second operand 3 states. [2019-09-08 21:42:14,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:14,572 INFO L93 Difference]: Finished difference Result 67857 states and 83690 transitions. [2019-09-08 21:42:14,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:42:14,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 534 [2019-09-08 21:42:14,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:14,665 INFO L225 Difference]: With dead ends: 67857 [2019-09-08 21:42:14,665 INFO L226 Difference]: Without dead ends: 36083 [2019-09-08 21:42:14,716 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:42:14,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36083 states. [2019-09-08 21:42:17,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36083 to 35999. [2019-09-08 21:42:17,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35999 states. [2019-09-08 21:42:17,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35999 states to 35999 states and 44230 transitions. [2019-09-08 21:42:17,684 INFO L78 Accepts]: Start accepts. Automaton has 35999 states and 44230 transitions. Word has length 534 [2019-09-08 21:42:17,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:17,685 INFO L475 AbstractCegarLoop]: Abstraction has 35999 states and 44230 transitions. [2019-09-08 21:42:17,685 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:42:17,685 INFO L276 IsEmpty]: Start isEmpty. Operand 35999 states and 44230 transitions. [2019-09-08 21:42:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2019-09-08 21:42:17,698 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:17,698 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:17,699 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:17,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:17,699 INFO L82 PathProgramCache]: Analyzing trace with hash 635006974, now seen corresponding path program 1 times [2019-09-08 21:42:17,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:17,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:17,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:17,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:17,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:18,471 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-08 21:42:18,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:18,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:42:18,473 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:42:18,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:42:18,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:18,474 INFO L87 Difference]: Start difference. First operand 35999 states and 44230 transitions. Second operand 5 states. [2019-09-08 21:42:23,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:23,652 INFO L93 Difference]: Finished difference Result 78011 states and 95674 transitions. [2019-09-08 21:42:23,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:42:23,653 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 574 [2019-09-08 21:42:23,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:23,749 INFO L225 Difference]: With dead ends: 78011 [2019-09-08 21:42:23,749 INFO L226 Difference]: Without dead ends: 42045 [2019-09-08 21:42:23,796 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:23,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42045 states. [2019-09-08 21:42:25,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42045 to 41961. [2019-09-08 21:42:25,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41961 states. [2019-09-08 21:42:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41961 states to 41961 states and 51240 transitions. [2019-09-08 21:42:25,144 INFO L78 Accepts]: Start accepts. Automaton has 41961 states and 51240 transitions. Word has length 574 [2019-09-08 21:42:25,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:25,145 INFO L475 AbstractCegarLoop]: Abstraction has 41961 states and 51240 transitions. [2019-09-08 21:42:25,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:42:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 41961 states and 51240 transitions. [2019-09-08 21:42:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2019-09-08 21:42:25,154 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:25,155 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:25,155 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:25,156 INFO L82 PathProgramCache]: Analyzing trace with hash -2076188691, now seen corresponding path program 1 times [2019-09-08 21:42:25,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:25,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:25,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:25,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:25,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:26,000 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-08 21:42:26,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:26,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:42:26,001 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:42:26,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:42:26,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:26,002 INFO L87 Difference]: Start difference. First operand 41961 states and 51240 transitions. Second operand 5 states. [2019-09-08 21:42:31,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:31,033 INFO L93 Difference]: Finished difference Result 88141 states and 107722 transitions. [2019-09-08 21:42:31,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:42:31,033 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 575 [2019-09-08 21:42:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:31,169 INFO L225 Difference]: With dead ends: 88141 [2019-09-08 21:42:31,169 INFO L226 Difference]: Without dead ends: 46213 [2019-09-08 21:42:31,242 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:31,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46213 states. [2019-09-08 21:42:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46213 to 46129. [2019-09-08 21:42:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46129 states. [2019-09-08 21:42:34,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46129 states to 46129 states and 56254 transitions. [2019-09-08 21:42:34,811 INFO L78 Accepts]: Start accepts. Automaton has 46129 states and 56254 transitions. Word has length 575 [2019-09-08 21:42:34,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:34,812 INFO L475 AbstractCegarLoop]: Abstraction has 46129 states and 56254 transitions. [2019-09-08 21:42:34,812 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:42:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 46129 states and 56254 transitions. [2019-09-08 21:42:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2019-09-08 21:42:34,823 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:34,824 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:34,824 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:34,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:34,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1318272953, now seen corresponding path program 1 times [2019-09-08 21:42:34,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:34,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:34,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:34,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:34,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:35,378 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-08 21:42:35,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:35,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:42:35,379 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:42:35,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:42:35,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:35,379 INFO L87 Difference]: Start difference. First operand 46129 states and 56254 transitions. Second operand 5 states. [2019-09-08 21:42:40,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:40,758 INFO L93 Difference]: Finished difference Result 96525 states and 117858 transitions. [2019-09-08 21:42:40,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:42:40,760 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 569 [2019-09-08 21:42:40,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:40,895 INFO L225 Difference]: With dead ends: 96525 [2019-09-08 21:42:40,895 INFO L226 Difference]: Without dead ends: 50429 [2019-09-08 21:42:40,960 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:41,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50429 states. [2019-09-08 21:42:42,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50429 to 50345. [2019-09-08 21:42:42,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50345 states. [2019-09-08 21:42:42,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50345 states to 50345 states and 61316 transitions. [2019-09-08 21:42:42,986 INFO L78 Accepts]: Start accepts. Automaton has 50345 states and 61316 transitions. Word has length 569 [2019-09-08 21:42:42,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:42,986 INFO L475 AbstractCegarLoop]: Abstraction has 50345 states and 61316 transitions. [2019-09-08 21:42:42,986 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:42:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 50345 states and 61316 transitions. [2019-09-08 21:42:42,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2019-09-08 21:42:42,998 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:42,999 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 9, 9, 8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:42,999 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:42,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:43,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1423599114, now seen corresponding path program 1 times [2019-09-08 21:42:43,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:43,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:43,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:43,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:43,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:43,489 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-08 21:42:43,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:43,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:42:43,490 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:42:43,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:42:43,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:43,491 INFO L87 Difference]: Start difference. First operand 50345 states and 61316 transitions. Second operand 5 states. [2019-09-08 21:42:50,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:50,656 INFO L93 Difference]: Finished difference Result 105399 states and 128478 transitions. [2019-09-08 21:42:50,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:42:50,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 570 [2019-09-08 21:42:50,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:50,813 INFO L225 Difference]: With dead ends: 105399 [2019-09-08 21:42:50,813 INFO L226 Difference]: Without dead ends: 55087 [2019-09-08 21:42:50,880 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:42:50,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55087 states. [2019-09-08 21:42:52,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55087 to 55003. [2019-09-08 21:42:52,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55003 states. [2019-09-08 21:42:52,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55003 states to 55003 states and 66814 transitions. [2019-09-08 21:42:52,867 INFO L78 Accepts]: Start accepts. Automaton has 55003 states and 66814 transitions. Word has length 570 [2019-09-08 21:42:52,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:42:52,867 INFO L475 AbstractCegarLoop]: Abstraction has 55003 states and 66814 transitions. [2019-09-08 21:42:52,867 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:42:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 55003 states and 66814 transitions. [2019-09-08 21:42:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 588 [2019-09-08 21:42:52,880 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:42:52,880 INFO L399 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 9, 9, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:42:52,880 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:42:52,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:42:52,881 INFO L82 PathProgramCache]: Analyzing trace with hash -1557746131, now seen corresponding path program 1 times [2019-09-08 21:42:52,881 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:42:52,881 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:42:52,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:52,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:42:52,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:42:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:42:53,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2019-09-08 21:42:53,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:42:53,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:42:53,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:42:53,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:42:53,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:42:53,483 INFO L87 Difference]: Start difference. First operand 55003 states and 66814 transitions. Second operand 3 states. [2019-09-08 21:42:59,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:42:59,098 INFO L93 Difference]: Finished difference Result 112236 states and 136274 transitions. [2019-09-08 21:42:59,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:42:59,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 587 [2019-09-08 21:42:59,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:42:59,239 INFO L225 Difference]: With dead ends: 112236 [2019-09-08 21:42:59,239 INFO L226 Difference]: Without dead ends: 57266 [2019-09-08 21:42:59,311 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:42:59,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57266 states. [2019-09-08 21:43:03,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57266 to 57182. [2019-09-08 21:43:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57182 states. [2019-09-08 21:43:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57182 states to 57182 states and 69220 transitions. [2019-09-08 21:43:03,888 INFO L78 Accepts]: Start accepts. Automaton has 57182 states and 69220 transitions. Word has length 587 [2019-09-08 21:43:03,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:43:03,889 INFO L475 AbstractCegarLoop]: Abstraction has 57182 states and 69220 transitions. [2019-09-08 21:43:03,889 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:43:03,889 INFO L276 IsEmpty]: Start isEmpty. Operand 57182 states and 69220 transitions. [2019-09-08 21:43:03,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2019-09-08 21:43:03,901 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:43:03,902 INFO L399 BasicCegarLoop]: trace histogram [18, 18, 18, 11, 11, 9, 9, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:43:03,902 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:43:03,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:43:03,903 INFO L82 PathProgramCache]: Analyzing trace with hash 235928536, now seen corresponding path program 1 times [2019-09-08 21:43:03,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:43:03,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:43:03,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:03,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:43:03,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:43:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2019-09-08 21:43:04,434 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:43:04,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:43:04,435 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:43:04,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:43:04,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:43:04,435 INFO L87 Difference]: Start difference. First operand 57182 states and 69220 transitions. Second operand 3 states. [2019-09-08 21:43:09,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:43:09,792 INFO L93 Difference]: Finished difference Result 95950 states and 115924 transitions. [2019-09-08 21:43:09,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:43:09,792 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 690 [2019-09-08 21:43:09,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:43:09,922 INFO L225 Difference]: With dead ends: 95950 [2019-09-08 21:43:09,922 INFO L226 Difference]: Without dead ends: 54018 [2019-09-08 21:43:09,981 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:43:10,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54018 states. [2019-09-08 21:43:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54018 to 53990. [2019-09-08 21:43:12,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53990 states. [2019-09-08 21:43:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53990 states to 53990 states and 64978 transitions. [2019-09-08 21:43:12,124 INFO L78 Accepts]: Start accepts. Automaton has 53990 states and 64978 transitions. Word has length 690 [2019-09-08 21:43:12,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:43:12,125 INFO L475 AbstractCegarLoop]: Abstraction has 53990 states and 64978 transitions. [2019-09-08 21:43:12,125 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:43:12,125 INFO L276 IsEmpty]: Start isEmpty. Operand 53990 states and 64978 transitions. [2019-09-08 21:43:12,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2019-09-08 21:43:12,137 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:43:12,138 INFO L399 BasicCegarLoop]: trace histogram [20, 20, 20, 11, 11, 9, 9, 8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:43:12,138 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:43:12,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:43:12,138 INFO L82 PathProgramCache]: Analyzing trace with hash 1252728165, now seen corresponding path program 1 times [2019-09-08 21:43:12,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:43:12,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:43:12,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:12,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:43:12,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:43:12,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2019-09-08 21:43:12,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:43:12,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 21:43:12,816 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 21:43:12,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 21:43:12,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:43:12,817 INFO L87 Difference]: Start difference. First operand 53990 states and 64978 transitions. Second operand 7 states. [2019-09-08 21:43:22,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:43:22,125 INFO L93 Difference]: Finished difference Result 78418 states and 94061 transitions. [2019-09-08 21:43:22,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-08 21:43:22,130 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 737 [2019-09-08 21:43:22,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:43:22,221 INFO L225 Difference]: With dead ends: 78418 [2019-09-08 21:43:22,222 INFO L226 Difference]: Without dead ends: 39678 [2019-09-08 21:43:22,272 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-08 21:43:22,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39678 states. [2019-09-08 21:43:23,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39678 to 39670. [2019-09-08 21:43:23,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39670 states. [2019-09-08 21:43:23,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39670 states to 39670 states and 47186 transitions. [2019-09-08 21:43:23,836 INFO L78 Accepts]: Start accepts. Automaton has 39670 states and 47186 transitions. Word has length 737 [2019-09-08 21:43:23,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:43:23,837 INFO L475 AbstractCegarLoop]: Abstraction has 39670 states and 47186 transitions. [2019-09-08 21:43:23,837 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 21:43:23,837 INFO L276 IsEmpty]: Start isEmpty. Operand 39670 states and 47186 transitions. [2019-09-08 21:43:23,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1096 [2019-09-08 21:43:23,867 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:43:23,868 INFO L399 BasicCegarLoop]: trace histogram [20, 20, 19, 19, 19, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:43:23,868 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:43:23,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:43:23,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1141474277, now seen corresponding path program 1 times [2019-09-08 21:43:23,869 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:43:23,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:43:23,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:23,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:43:23,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:43:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2470 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2443 trivial. 0 not checked. [2019-09-08 21:43:25,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:43:25,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-08 21:43:25,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 21:43:25,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 21:43:25,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:43:25,003 INFO L87 Difference]: Start difference. First operand 39670 states and 47186 transitions. Second operand 12 states. [2019-09-08 21:43:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:43:26,529 INFO L93 Difference]: Finished difference Result 79592 states and 94769 transitions. [2019-09-08 21:43:26,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 21:43:26,530 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1095 [2019-09-08 21:43:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:43:26,626 INFO L225 Difference]: With dead ends: 79592 [2019-09-08 21:43:26,626 INFO L226 Difference]: Without dead ends: 39962 [2019-09-08 21:43:26,675 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2019-09-08 21:43:26,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39962 states. [2019-09-08 21:43:27,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39962 to 39834. [2019-09-08 21:43:27,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39834 states. [2019-09-08 21:43:27,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39834 states to 39834 states and 47402 transitions. [2019-09-08 21:43:27,959 INFO L78 Accepts]: Start accepts. Automaton has 39834 states and 47402 transitions. Word has length 1095 [2019-09-08 21:43:27,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:43:27,961 INFO L475 AbstractCegarLoop]: Abstraction has 39834 states and 47402 transitions. [2019-09-08 21:43:27,961 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 21:43:27,961 INFO L276 IsEmpty]: Start isEmpty. Operand 39834 states and 47402 transitions. [2019-09-08 21:43:28,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1176 [2019-09-08 21:43:28,003 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:43:28,004 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 19, 19, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:43:28,004 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:43:28,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:43:28,005 INFO L82 PathProgramCache]: Analyzing trace with hash 760497654, now seen corresponding path program 1 times [2019-09-08 21:43:28,005 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:43:28,005 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:43:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:28,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:43:28,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:43:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2624 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2597 trivial. 0 not checked. [2019-09-08 21:43:29,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:43:29,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 21:43:29,428 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 21:43:29,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 21:43:29,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:43:29,429 INFO L87 Difference]: Start difference. First operand 39834 states and 47402 transitions. Second operand 3 states. [2019-09-08 21:43:36,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:43:36,071 INFO L93 Difference]: Finished difference Result 92906 states and 111146 transitions. [2019-09-08 21:43:36,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 21:43:36,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1175 [2019-09-08 21:43:36,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:43:36,220 INFO L225 Difference]: With dead ends: 92906 [2019-09-08 21:43:36,220 INFO L226 Difference]: Without dead ends: 53112 [2019-09-08 21:43:36,285 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 21:43:36,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53112 states. [2019-09-08 21:43:38,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53112 to 53060. [2019-09-08 21:43:38,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53060 states. [2019-09-08 21:43:38,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53060 states to 53060 states and 63465 transitions. [2019-09-08 21:43:38,349 INFO L78 Accepts]: Start accepts. Automaton has 53060 states and 63465 transitions. Word has length 1175 [2019-09-08 21:43:38,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:43:38,350 INFO L475 AbstractCegarLoop]: Abstraction has 53060 states and 63465 transitions. [2019-09-08 21:43:38,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 21:43:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 53060 states and 63465 transitions. [2019-09-08 21:43:38,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2019-09-08 21:43:38,384 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:43:38,385 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:43:38,385 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:43:38,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:43:38,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1508892681, now seen corresponding path program 1 times [2019-09-08 21:43:38,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:43:38,386 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:43:38,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:38,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:43:38,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:43:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2019-09-08 21:43:39,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:43:39,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:43:39,788 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:43:39,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:43:39,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:43:39,789 INFO L87 Difference]: Start difference. First operand 53060 states and 63465 transitions. Second operand 5 states. [2019-09-08 21:43:45,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:43:45,634 INFO L93 Difference]: Finished difference Result 118636 states and 142170 transitions. [2019-09-08 21:43:45,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:43:45,634 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1198 [2019-09-08 21:43:45,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:43:45,808 INFO L225 Difference]: With dead ends: 118636 [2019-09-08 21:43:45,808 INFO L226 Difference]: Without dead ends: 65616 [2019-09-08 21:43:45,876 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:43:45,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65616 states. [2019-09-08 21:43:50,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65616 to 65488. [2019-09-08 21:43:50,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65488 states. [2019-09-08 21:43:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65488 states to 65488 states and 78464 transitions. [2019-09-08 21:43:50,906 INFO L78 Accepts]: Start accepts. Automaton has 65488 states and 78464 transitions. Word has length 1198 [2019-09-08 21:43:50,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:43:50,907 INFO L475 AbstractCegarLoop]: Abstraction has 65488 states and 78464 transitions. [2019-09-08 21:43:50,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:43:50,907 INFO L276 IsEmpty]: Start isEmpty. Operand 65488 states and 78464 transitions. [2019-09-08 21:43:50,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2019-09-08 21:43:50,944 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:43:50,944 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:43:50,945 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:43:50,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:43:50,945 INFO L82 PathProgramCache]: Analyzing trace with hash -611558337, now seen corresponding path program 1 times [2019-09-08 21:43:50,945 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:43:50,945 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:43:50,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:50,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:43:50,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:43:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:43:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2019-09-08 21:43:52,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:43:52,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:43:52,125 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:43:52,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:43:52,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:43:52,125 INFO L87 Difference]: Start difference. First operand 65488 states and 78464 transitions. Second operand 5 states. [2019-09-08 21:43:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:43:58,370 INFO L93 Difference]: Finished difference Result 143646 states and 172410 transitions. [2019-09-08 21:43:58,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:43:58,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1199 [2019-09-08 21:43:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:43:58,555 INFO L225 Difference]: With dead ends: 143646 [2019-09-08 21:43:58,555 INFO L226 Difference]: Without dead ends: 78198 [2019-09-08 21:43:58,640 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:43:58,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78198 states. [2019-09-08 21:44:01,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78198 to 78070. [2019-09-08 21:44:01,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78070 states. [2019-09-08 21:44:01,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78070 states to 78070 states and 93591 transitions. [2019-09-08 21:44:01,776 INFO L78 Accepts]: Start accepts. Automaton has 78070 states and 93591 transitions. Word has length 1199 [2019-09-08 21:44:01,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:44:01,777 INFO L475 AbstractCegarLoop]: Abstraction has 78070 states and 93591 transitions. [2019-09-08 21:44:01,777 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:44:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 78070 states and 93591 transitions. [2019-09-08 21:44:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2019-09-08 21:44:01,816 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:44:01,816 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:44:01,817 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:44:01,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:44:01,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1768937644, now seen corresponding path program 1 times [2019-09-08 21:44:01,817 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:44:01,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:44:01,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:01,820 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:44:01,820 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:44:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2019-09-08 21:44:03,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:44:03,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:44:03,670 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:44:03,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:44:03,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:03,671 INFO L87 Difference]: Start difference. First operand 78070 states and 93591 transitions. Second operand 5 states. [2019-09-08 21:44:12,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:44:12,432 INFO L93 Difference]: Finished difference Result 168846 states and 202878 transitions. [2019-09-08 21:44:12,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:44:12,434 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1200 [2019-09-08 21:44:12,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:44:12,715 INFO L225 Difference]: With dead ends: 168846 [2019-09-08 21:44:12,716 INFO L226 Difference]: Without dead ends: 90816 [2019-09-08 21:44:12,835 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:12,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90816 states. [2019-09-08 21:44:16,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90816 to 90688. [2019-09-08 21:44:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90688 states. [2019-09-08 21:44:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90688 states to 90688 states and 108780 transitions. [2019-09-08 21:44:16,514 INFO L78 Accepts]: Start accepts. Automaton has 90688 states and 108780 transitions. Word has length 1200 [2019-09-08 21:44:16,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:44:16,515 INFO L475 AbstractCegarLoop]: Abstraction has 90688 states and 108780 transitions. [2019-09-08 21:44:16,515 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:44:16,515 INFO L276 IsEmpty]: Start isEmpty. Operand 90688 states and 108780 transitions. [2019-09-08 21:44:16,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1202 [2019-09-08 21:44:16,555 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:44:16,556 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:44:16,556 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:44:16,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:44:16,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1944869826, now seen corresponding path program 1 times [2019-09-08 21:44:16,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:44:16,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:44:16,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:16,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:44:16,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:44:17,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2019-09-08 21:44:17,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:44:17,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:44:17,970 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:44:17,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:44:17,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:17,971 INFO L87 Difference]: Start difference. First operand 90688 states and 108780 transitions. Second operand 5 states. [2019-09-08 21:44:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:44:27,209 INFO L93 Difference]: Finished difference Result 194198 states and 233422 transitions. [2019-09-08 21:44:27,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:44:27,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1201 [2019-09-08 21:44:27,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:44:27,807 INFO L225 Difference]: With dead ends: 194198 [2019-09-08 21:44:27,807 INFO L226 Difference]: Without dead ends: 103550 [2019-09-08 21:44:27,913 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:27,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103550 states. [2019-09-08 21:44:31,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103550 to 103422. [2019-09-08 21:44:31,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103422 states. [2019-09-08 21:44:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103422 states to 103422 states and 124059 transitions. [2019-09-08 21:44:31,730 INFO L78 Accepts]: Start accepts. Automaton has 103422 states and 124059 transitions. Word has length 1201 [2019-09-08 21:44:31,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:44:31,732 INFO L475 AbstractCegarLoop]: Abstraction has 103422 states and 124059 transitions. [2019-09-08 21:44:31,732 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:44:31,732 INFO L276 IsEmpty]: Start isEmpty. Operand 103422 states and 124059 transitions. [2019-09-08 21:44:31,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2019-09-08 21:44:31,778 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:44:31,779 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:44:31,779 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:44:31,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:44:31,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1796166321, now seen corresponding path program 1 times [2019-09-08 21:44:31,780 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:44:31,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:44:31,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:31,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:44:31,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:44:33,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2019-09-08 21:44:33,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:44:33,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:44:33,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:44:33,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:44:33,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:33,175 INFO L87 Difference]: Start difference. First operand 103422 states and 124059 transitions. Second operand 5 states. [2019-09-08 21:44:42,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:44:42,852 INFO L93 Difference]: Finished difference Result 219626 states and 264042 transitions. [2019-09-08 21:44:42,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:44:42,853 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1202 [2019-09-08 21:44:42,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:44:43,160 INFO L225 Difference]: With dead ends: 219626 [2019-09-08 21:44:43,160 INFO L226 Difference]: Without dead ends: 116244 [2019-09-08 21:44:43,295 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:43,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116244 states. [2019-09-08 21:44:47,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116244 to 116116. [2019-09-08 21:44:47,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116116 states. [2019-09-08 21:44:48,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116116 states to 116116 states and 139324 transitions. [2019-09-08 21:44:48,037 INFO L78 Accepts]: Start accepts. Automaton has 116116 states and 139324 transitions. Word has length 1202 [2019-09-08 21:44:48,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:44:48,038 INFO L475 AbstractCegarLoop]: Abstraction has 116116 states and 139324 transitions. [2019-09-08 21:44:48,038 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:44:48,038 INFO L276 IsEmpty]: Start isEmpty. Operand 116116 states and 139324 transitions. [2019-09-08 21:44:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1204 [2019-09-08 21:44:48,084 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:44:48,085 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:44:48,085 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:44:48,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:44:48,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1885798213, now seen corresponding path program 1 times [2019-09-08 21:44:48,085 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:44:48,086 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:44:48,087 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:48,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:44:48,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:44:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:44:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2019-09-08 21:44:52,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:44:52,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-08 21:44:52,167 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-08 21:44:52,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-08 21:44:52,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:44:52,168 INFO L87 Difference]: Start difference. First operand 116116 states and 139324 transitions. Second operand 5 states. [2019-09-08 21:44:59,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:44:59,924 INFO L93 Difference]: Finished difference Result 245130 states and 294738 transitions. [2019-09-08 21:44:59,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-08 21:44:59,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1203 [2019-09-08 21:44:59,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:45:00,276 INFO L225 Difference]: With dead ends: 245130 [2019-09-08 21:45:00,276 INFO L226 Difference]: Without dead ends: 129054 [2019-09-08 21:45:00,413 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-08 21:45:00,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129054 states. [2019-09-08 21:45:05,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129054 to 128926. [2019-09-08 21:45:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128926 states. [2019-09-08 21:45:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128926 states to 128926 states and 154679 transitions. [2019-09-08 21:45:05,772 INFO L78 Accepts]: Start accepts. Automaton has 128926 states and 154679 transitions. Word has length 1203 [2019-09-08 21:45:05,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:45:05,773 INFO L475 AbstractCegarLoop]: Abstraction has 128926 states and 154679 transitions. [2019-09-08 21:45:05,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-08 21:45:05,773 INFO L276 IsEmpty]: Start isEmpty. Operand 128926 states and 154679 transitions. [2019-09-08 21:45:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1209 [2019-09-08 21:45:05,823 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:45:05,824 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 19, 19, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:45:05,824 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:45:05,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:45:05,825 INFO L82 PathProgramCache]: Analyzing trace with hash 67467902, now seen corresponding path program 1 times [2019-09-08 21:45:05,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:45:05,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:45:05,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:45:05,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:45:05,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:45:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:45:07,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 2672 trivial. 0 not checked. [2019-09-08 21:45:07,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:45:07,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 21:45:07,447 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 21:45:07,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 21:45:07,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:45:07,448 INFO L87 Difference]: Start difference. First operand 128926 states and 154679 transitions. Second operand 8 states. [2019-09-08 21:45:14,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:45:14,636 INFO L93 Difference]: Finished difference Result 258788 states and 311655 transitions. [2019-09-08 21:45:14,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-08 21:45:14,637 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1208 [2019-09-08 21:45:14,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:45:15,372 INFO L225 Difference]: With dead ends: 258788 [2019-09-08 21:45:15,372 INFO L226 Difference]: Without dead ends: 129902 [2019-09-08 21:45:15,509 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:45:15,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129902 states. [2019-09-08 21:45:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129902 to 129292. [2019-09-08 21:45:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129292 states. [2019-09-08 21:45:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129292 states to 129292 states and 155167 transitions. [2019-09-08 21:45:20,474 INFO L78 Accepts]: Start accepts. Automaton has 129292 states and 155167 transitions. Word has length 1208 [2019-09-08 21:45:20,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:45:20,476 INFO L475 AbstractCegarLoop]: Abstraction has 129292 states and 155167 transitions. [2019-09-08 21:45:20,476 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 21:45:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 129292 states and 155167 transitions. [2019-09-08 21:45:20,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1205 [2019-09-08 21:45:20,525 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:45:20,525 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:45:20,525 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:45:20,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:45:20,526 INFO L82 PathProgramCache]: Analyzing trace with hash -542417422, now seen corresponding path program 1 times [2019-09-08 21:45:20,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:45:20,526 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:45:20,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:45:20,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:45:20,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:45:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:45:22,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2814 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 2734 trivial. 0 not checked. [2019-09-08 21:45:22,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:45:22,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 21:45:22,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 21:45:22,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 21:45:22,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:45:22,399 INFO L87 Difference]: Start difference. First operand 129292 states and 155167 transitions. Second operand 7 states. [2019-09-08 21:45:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:45:30,374 INFO L93 Difference]: Finished difference Result 258868 states and 310919 transitions. [2019-09-08 21:45:30,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:45:30,374 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1204 [2019-09-08 21:45:30,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:45:30,787 INFO L225 Difference]: With dead ends: 258868 [2019-09-08 21:45:30,787 INFO L226 Difference]: Without dead ends: 129616 [2019-09-08 21:45:30,966 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:45:31,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129616 states. [2019-09-08 21:45:35,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129616 to 129552. [2019-09-08 21:45:35,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129552 states. [2019-09-08 21:45:36,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129552 states to 129552 states and 155427 transitions. [2019-09-08 21:45:36,216 INFO L78 Accepts]: Start accepts. Automaton has 129552 states and 155427 transitions. Word has length 1204 [2019-09-08 21:45:36,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:45:36,217 INFO L475 AbstractCegarLoop]: Abstraction has 129552 states and 155427 transitions. [2019-09-08 21:45:36,217 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 21:45:36,217 INFO L276 IsEmpty]: Start isEmpty. Operand 129552 states and 155427 transitions. [2019-09-08 21:45:37,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1226 [2019-09-08 21:45:37,138 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:45:37,139 INFO L399 BasicCegarLoop]: trace histogram [23, 23, 23, 20, 20, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:45:37,139 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:45:37,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:45:37,140 INFO L82 PathProgramCache]: Analyzing trace with hash 695569992, now seen corresponding path program 1 times [2019-09-08 21:45:37,140 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:45:37,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:45:37,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:45:37,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:45:37,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:45:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:45:42,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3025 backedges. 86 proven. 8 refuted. 0 times theorem prover too weak. 2931 trivial. 0 not checked. [2019-09-08 21:45:42,439 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:45:42,439 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:45:42,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:45:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:45:45,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 11785 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 21:45:45,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:45:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 3025 backedges. 1137 proven. 0 refuted. 0 times theorem prover too weak. 1888 trivial. 0 not checked. [2019-09-08 21:45:46,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:45:46,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2019-09-08 21:45:46,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 21:45:46,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 21:45:46,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:45:46,657 INFO L87 Difference]: Start difference. First operand 129552 states and 155427 transitions. Second operand 12 states. [2019-09-08 21:45:51,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:45:51,884 INFO L93 Difference]: Finished difference Result 259828 states and 312625 transitions. [2019-09-08 21:45:51,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 21:45:51,885 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1225 [2019-09-08 21:45:51,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:45:52,703 INFO L225 Difference]: With dead ends: 259828 [2019-09-08 21:45:52,704 INFO L226 Difference]: Without dead ends: 130316 [2019-09-08 21:45:53,029 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1231 GetRequests, 1221 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:45:53,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130316 states. [2019-09-08 21:46:03,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130316 to 130064. [2019-09-08 21:46:03,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130064 states. [2019-09-08 21:46:03,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130064 states to 130064 states and 156519 transitions. [2019-09-08 21:46:03,483 INFO L78 Accepts]: Start accepts. Automaton has 130064 states and 156519 transitions. Word has length 1225 [2019-09-08 21:46:03,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:46:03,483 INFO L475 AbstractCegarLoop]: Abstraction has 130064 states and 156519 transitions. [2019-09-08 21:46:03,484 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 21:46:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand 130064 states and 156519 transitions. [2019-09-08 21:46:03,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1279 [2019-09-08 21:46:03,614 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:46:03,615 INFO L399 BasicCegarLoop]: trace histogram [25, 25, 25, 21, 21, 18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:46:03,616 INFO L418 AbstractCegarLoop]: === Iteration 38 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:46:03,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:46:03,616 INFO L82 PathProgramCache]: Analyzing trace with hash -476497841, now seen corresponding path program 1 times [2019-09-08 21:46:03,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:46:03,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:46:03,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:46:03,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:46:03,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:46:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:46:06,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3362 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 3344 trivial. 0 not checked. [2019-09-08 21:46:06,610 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:46:06,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-08 21:46:06,612 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-08 21:46:06,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-08 21:46:06,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-08 21:46:06,612 INFO L87 Difference]: Start difference. First operand 130064 states and 156519 transitions. Second operand 6 states. [2019-09-08 21:46:15,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:46:15,559 INFO L93 Difference]: Finished difference Result 203481 states and 244617 transitions. [2019-09-08 21:46:15,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-08 21:46:15,559 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 1278 [2019-09-08 21:46:15,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:46:16,050 INFO L225 Difference]: With dead ends: 203481 [2019-09-08 21:46:16,050 INFO L226 Difference]: Without dead ends: 130644 [2019-09-08 21:46:16,206 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:46:16,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130644 states. [2019-09-08 21:46:21,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130644 to 130164. [2019-09-08 21:46:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130164 states. [2019-09-08 21:46:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130164 states to 130164 states and 156619 transitions. [2019-09-08 21:46:22,022 INFO L78 Accepts]: Start accepts. Automaton has 130164 states and 156619 transitions. Word has length 1278 [2019-09-08 21:46:22,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:46:22,023 INFO L475 AbstractCegarLoop]: Abstraction has 130164 states and 156619 transitions. [2019-09-08 21:46:22,023 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-08 21:46:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 130164 states and 156619 transitions. [2019-09-08 21:46:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1271 [2019-09-08 21:46:22,081 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:46:22,082 INFO L399 BasicCegarLoop]: trace histogram [25, 25, 25, 21, 21, 17, 17, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:46:22,082 INFO L418 AbstractCegarLoop]: === Iteration 39 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:46:22,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:46:22,082 INFO L82 PathProgramCache]: Analyzing trace with hash -423113568, now seen corresponding path program 1 times [2019-09-08 21:46:22,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:46:22,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:46:22,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:46:22,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:46:22,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:46:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:46:24,100 INFO L134 CoverageAnalysis]: Checked inductivity of 3426 backedges. 85 proven. 6 refuted. 0 times theorem prover too weak. 3335 trivial. 0 not checked. [2019-09-08 21:46:24,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:46:24,100 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:46:24,119 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:46:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:46:28,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 11909 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 21:46:28,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:46:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 3426 backedges. 1462 proven. 0 refuted. 0 times theorem prover too weak. 1964 trivial. 0 not checked. [2019-09-08 21:46:28,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:46:28,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2019-09-08 21:46:28,802 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 21:46:28,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 21:46:28,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:46:28,803 INFO L87 Difference]: Start difference. First operand 130164 states and 156619 transitions. Second operand 7 states. [2019-09-08 21:46:33,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:46:33,487 INFO L93 Difference]: Finished difference Result 260732 states and 314195 transitions. [2019-09-08 21:46:33,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:46:33,489 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1270 [2019-09-08 21:46:33,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:46:33,809 INFO L225 Difference]: With dead ends: 260732 [2019-09-08 21:46:33,809 INFO L226 Difference]: Without dead ends: 130608 [2019-09-08 21:46:33,945 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1276 GetRequests, 1271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:46:34,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130608 states. [2019-09-08 21:46:39,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130608 to 130164. [2019-09-08 21:46:39,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130164 states. [2019-09-08 21:46:46,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130164 states to 130164 states and 156619 transitions. [2019-09-08 21:46:46,039 INFO L78 Accepts]: Start accepts. Automaton has 130164 states and 156619 transitions. Word has length 1270 [2019-09-08 21:46:46,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:46:46,039 INFO L475 AbstractCegarLoop]: Abstraction has 130164 states and 156619 transitions. [2019-09-08 21:46:46,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 21:46:46,040 INFO L276 IsEmpty]: Start isEmpty. Operand 130164 states and 156619 transitions. [2019-09-08 21:46:46,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1303 [2019-09-08 21:46:46,091 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:46:46,092 INFO L399 BasicCegarLoop]: trace histogram [25, 25, 25, 22, 22, 17, 17, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:46:46,093 INFO L418 AbstractCegarLoop]: === Iteration 40 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:46:46,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:46:46,094 INFO L82 PathProgramCache]: Analyzing trace with hash 622863212, now seen corresponding path program 1 times [2019-09-08 21:46:46,094 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:46:46,094 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:46:46,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:46:46,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:46:46,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:46:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:46:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3581 backedges. 87 proven. 45 refuted. 0 times theorem prover too weak. 3449 trivial. 0 not checked. [2019-09-08 21:46:47,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:46:47,526 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:46:47,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:46:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:46:51,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 12072 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-08 21:46:51,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:46:52,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3581 backedges. 1586 proven. 0 refuted. 0 times theorem prover too weak. 1995 trivial. 0 not checked. [2019-09-08 21:46:52,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:46:52,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2019-09-08 21:46:52,466 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-08 21:46:52,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-08 21:46:52,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-09-08 21:46:52,467 INFO L87 Difference]: Start difference. First operand 130164 states and 156619 transitions. Second operand 16 states. [2019-09-08 21:46:57,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:46:57,287 INFO L93 Difference]: Finished difference Result 261632 states and 316551 transitions. [2019-09-08 21:46:57,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 21:46:57,289 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1302 [2019-09-08 21:46:57,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:46:57,625 INFO L225 Difference]: With dead ends: 261632 [2019-09-08 21:46:57,625 INFO L226 Difference]: Without dead ends: 131508 [2019-09-08 21:46:57,767 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1314 GetRequests, 1296 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2019-09-08 21:46:57,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131508 states. [2019-09-08 21:47:03,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131508 to 130776. [2019-09-08 21:47:03,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130776 states. [2019-09-08 21:47:03,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130776 states to 130776 states and 157403 transitions. [2019-09-08 21:47:03,878 INFO L78 Accepts]: Start accepts. Automaton has 130776 states and 157403 transitions. Word has length 1302 [2019-09-08 21:47:03,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:47:03,879 INFO L475 AbstractCegarLoop]: Abstraction has 130776 states and 157403 transitions. [2019-09-08 21:47:03,879 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-08 21:47:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 130776 states and 157403 transitions. [2019-09-08 21:47:03,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1370 [2019-09-08 21:47:03,934 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:47:03,935 INFO L399 BasicCegarLoop]: trace histogram [27, 27, 27, 23, 23, 17, 17, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 9, 8, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:47:03,935 INFO L418 AbstractCegarLoop]: === Iteration 41 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:47:03,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:47:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1611767234, now seen corresponding path program 1 times [2019-09-08 21:47:03,936 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:47:03,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:47:03,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:47:03,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:47:03,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:47:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:47:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 4059 backedges. 91 proven. 24 refuted. 0 times theorem prover too weak. 3944 trivial. 0 not checked. [2019-09-08 21:47:10,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:47:10,935 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:47:10,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:47:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:47:14,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 12388 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 21:47:14,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:47:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4059 backedges. 1940 proven. 0 refuted. 0 times theorem prover too weak. 2119 trivial. 0 not checked. [2019-09-08 21:47:15,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:47:15,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2019-09-08 21:47:15,408 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 21:47:15,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 21:47:15,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:47:15,408 INFO L87 Difference]: Start difference. First operand 130776 states and 157403 transitions. Second operand 12 states. [2019-09-08 21:47:19,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:47:19,951 INFO L93 Difference]: Finished difference Result 262484 states and 317467 transitions. [2019-09-08 21:47:19,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 21:47:19,953 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1369 [2019-09-08 21:47:19,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:47:20,310 INFO L225 Difference]: With dead ends: 262484 [2019-09-08 21:47:20,311 INFO L226 Difference]: Without dead ends: 131748 [2019-09-08 21:47:20,465 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1376 GetRequests, 1365 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:47:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131748 states. [2019-09-08 21:47:25,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131748 to 131320. [2019-09-08 21:47:25,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131320 states. [2019-09-08 21:47:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131320 states to 131320 states and 158171 transitions. [2019-09-08 21:47:25,835 INFO L78 Accepts]: Start accepts. Automaton has 131320 states and 158171 transitions. Word has length 1369 [2019-09-08 21:47:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:47:25,836 INFO L475 AbstractCegarLoop]: Abstraction has 131320 states and 158171 transitions. [2019-09-08 21:47:25,836 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 21:47:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 131320 states and 158171 transitions. [2019-09-08 21:47:25,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1452 [2019-09-08 21:47:25,892 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:47:25,893 INFO L399 BasicCegarLoop]: trace histogram [31, 31, 31, 24, 24, 17, 17, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:47:25,893 INFO L418 AbstractCegarLoop]: === Iteration 42 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:47:25,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:47:25,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1798389634, now seen corresponding path program 1 times [2019-09-08 21:47:25,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:47:25,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:47:25,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:47:25,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:47:25,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:47:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:47:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 4954 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 4852 trivial. 0 not checked. [2019-09-08 21:47:27,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:47:27,899 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:47:27,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:47:31,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:47:32,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 12687 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-08 21:47:32,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:47:32,747 INFO L134 CoverageAnalysis]: Checked inductivity of 4954 backedges. 2278 proven. 0 refuted. 0 times theorem prover too weak. 2676 trivial. 0 not checked. [2019-09-08 21:47:32,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:47:32,798 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 10 [2019-09-08 21:47:32,799 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-08 21:47:32,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-08 21:47:32,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-09-08 21:47:32,800 INFO L87 Difference]: Start difference. First operand 131320 states and 158171 transitions. Second operand 10 states. [2019-09-08 21:47:37,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:47:37,098 INFO L93 Difference]: Finished difference Result 263228 states and 317363 transitions. [2019-09-08 21:47:37,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-08 21:47:37,099 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1451 [2019-09-08 21:47:37,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:47:37,457 INFO L225 Difference]: With dead ends: 263228 [2019-09-08 21:47:37,457 INFO L226 Difference]: Without dead ends: 131948 [2019-09-08 21:47:37,610 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1461 GetRequests, 1452 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2019-09-08 21:47:37,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131948 states. [2019-09-08 21:47:43,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131948 to 131248. [2019-09-08 21:47:43,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131248 states. [2019-09-08 21:47:43,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131248 states to 131248 states and 157883 transitions. [2019-09-08 21:47:43,849 INFO L78 Accepts]: Start accepts. Automaton has 131248 states and 157883 transitions. Word has length 1451 [2019-09-08 21:47:43,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:47:43,850 INFO L475 AbstractCegarLoop]: Abstraction has 131248 states and 157883 transitions. [2019-09-08 21:47:43,850 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-08 21:47:43,850 INFO L276 IsEmpty]: Start isEmpty. Operand 131248 states and 157883 transitions. [2019-09-08 21:47:43,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1519 [2019-09-08 21:47:43,905 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:47:43,906 INFO L399 BasicCegarLoop]: trace histogram [33, 33, 33, 25, 25, 17, 17, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 8, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:47:43,906 INFO L418 AbstractCegarLoop]: === Iteration 43 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:47:43,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:47:43,907 INFO L82 PathProgramCache]: Analyzing trace with hash -929918592, now seen corresponding path program 2 times [2019-09-08 21:47:43,907 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:47:43,907 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:47:43,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:47:43,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:47:43,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:47:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:47:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 5586 backedges. 111 proven. 6 refuted. 0 times theorem prover too weak. 5469 trivial. 0 not checked. [2019-09-08 21:47:50,960 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:47:50,960 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:47:50,980 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 21:48:06,258 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 21:48:06,258 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 21:48:06,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 13003 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 21:48:06,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:48:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5586 backedges. 2472 proven. 0 refuted. 0 times theorem prover too weak. 3114 trivial. 0 not checked. [2019-09-08 21:48:07,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:48:07,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2019-09-08 21:48:07,687 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 21:48:07,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 21:48:07,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:48:07,687 INFO L87 Difference]: Start difference. First operand 131248 states and 157883 transitions. Second operand 12 states. [2019-09-08 21:48:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:48:12,205 INFO L93 Difference]: Finished difference Result 263108 states and 316985 transitions. [2019-09-08 21:48:12,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 21:48:12,206 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1518 [2019-09-08 21:48:12,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:48:12,522 INFO L225 Difference]: With dead ends: 263108 [2019-09-08 21:48:12,522 INFO L226 Difference]: Without dead ends: 131900 [2019-09-08 21:48:12,654 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1524 GetRequests, 1514 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:48:12,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131900 states. [2019-09-08 21:48:17,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131900 to 131680. [2019-09-08 21:48:17,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131680 states. [2019-09-08 21:48:18,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131680 states to 131680 states and 158531 transitions. [2019-09-08 21:48:18,830 INFO L78 Accepts]: Start accepts. Automaton has 131680 states and 158531 transitions. Word has length 1518 [2019-09-08 21:48:18,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:48:18,832 INFO L475 AbstractCegarLoop]: Abstraction has 131680 states and 158531 transitions. [2019-09-08 21:48:18,832 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 21:48:18,832 INFO L276 IsEmpty]: Start isEmpty. Operand 131680 states and 158531 transitions. [2019-09-08 21:48:18,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1626 [2019-09-08 21:48:18,890 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:48:18,890 INFO L399 BasicCegarLoop]: trace histogram [39, 39, 39, 26, 26, 17, 17, 17, 17, 16, 16, 16, 16, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:48:18,891 INFO L418 AbstractCegarLoop]: === Iteration 44 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:48:18,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:48:18,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1248751691, now seen corresponding path program 2 times [2019-09-08 21:48:18,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:48:18,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:48:18,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:48:18,893 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 21:48:18,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:48:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:48:21,129 INFO L134 CoverageAnalysis]: Checked inductivity of 7220 backedges. 117 proven. 4 refuted. 0 times theorem prover too weak. 7099 trivial. 0 not checked. [2019-09-08 21:48:21,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:48:21,130 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:48:21,148 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 21:48:36,651 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 21:48:36,652 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 21:48:36,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 13370 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-08 21:48:37,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:48:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 7220 backedges. 3387 proven. 0 refuted. 0 times theorem prover too weak. 3833 trivial. 0 not checked. [2019-09-08 21:48:38,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:48:38,669 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2019-09-08 21:48:38,672 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-08 21:48:38,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-08 21:48:38,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-09-08 21:48:38,672 INFO L87 Difference]: Start difference. First operand 131680 states and 158531 transitions. Second operand 15 states. [2019-09-08 21:48:47,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:48:47,893 INFO L93 Difference]: Finished difference Result 264056 states and 318173 transitions. [2019-09-08 21:48:47,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 21:48:47,894 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1625 [2019-09-08 21:48:47,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:48:48,284 INFO L225 Difference]: With dead ends: 264056 [2019-09-08 21:48:48,284 INFO L226 Difference]: Without dead ends: 132416 [2019-09-08 21:48:48,444 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1632 GetRequests, 1618 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2019-09-08 21:48:48,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132416 states. [2019-09-08 21:48:53,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132416 to 131788. [2019-09-08 21:48:53,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131788 states. [2019-09-08 21:48:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131788 states to 131788 states and 158423 transitions. [2019-09-08 21:48:53,817 INFO L78 Accepts]: Start accepts. Automaton has 131788 states and 158423 transitions. Word has length 1625 [2019-09-08 21:48:53,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:48:53,818 INFO L475 AbstractCegarLoop]: Abstraction has 131788 states and 158423 transitions. [2019-09-08 21:48:53,818 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-08 21:48:53,819 INFO L276 IsEmpty]: Start isEmpty. Operand 131788 states and 158423 transitions. [2019-09-08 21:48:53,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1693 [2019-09-08 21:48:53,882 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:48:53,883 INFO L399 BasicCegarLoop]: trace histogram [41, 41, 41, 27, 27, 18, 18, 17, 17, 17, 17, 17, 17, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:48:53,884 INFO L418 AbstractCegarLoop]: === Iteration 45 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:48:53,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:48:53,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1071296817, now seen corresponding path program 3 times [2019-09-08 21:48:53,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:48:53,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:48:53,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:48:53,887 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 21:48:53,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:48:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:48:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 8039 backedges. 123 proven. 2 refuted. 0 times theorem prover too weak. 7914 trivial. 0 not checked. [2019-09-08 21:48:56,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:48:56,072 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:48:56,091 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-08 21:49:34,782 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-09-08 21:49:34,782 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 21:49:35,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 7859 conjuncts, 7 conjunts are in the unsatisfiable core [2019-09-08 21:49:35,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:49:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8039 backedges. 3487 proven. 0 refuted. 0 times theorem prover too weak. 4552 trivial. 0 not checked. [2019-09-08 21:49:36,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:49:36,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2019-09-08 21:49:36,712 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 21:49:36,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 21:49:36,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:49:36,713 INFO L87 Difference]: Start difference. First operand 131788 states and 158423 transitions. Second operand 12 states. [2019-09-08 21:49:41,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:49:41,751 INFO L93 Difference]: Finished difference Result 264188 states and 318065 transitions. [2019-09-08 21:49:41,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-08 21:49:41,751 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1692 [2019-09-08 21:49:41,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:49:42,129 INFO L225 Difference]: With dead ends: 264188 [2019-09-08 21:49:42,129 INFO L226 Difference]: Without dead ends: 132440 [2019-09-08 21:49:42,286 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1698 GetRequests, 1688 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-08 21:49:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132440 states. [2019-09-08 21:49:47,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132440 to 132220. [2019-09-08 21:49:47,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132220 states. [2019-09-08 21:49:47,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132220 states to 132220 states and 159071 transitions. [2019-09-08 21:49:47,925 INFO L78 Accepts]: Start accepts. Automaton has 132220 states and 159071 transitions. Word has length 1692 [2019-09-08 21:49:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:49:47,926 INFO L475 AbstractCegarLoop]: Abstraction has 132220 states and 159071 transitions. [2019-09-08 21:49:47,926 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 21:49:47,926 INFO L276 IsEmpty]: Start isEmpty. Operand 132220 states and 159071 transitions. [2019-09-08 21:49:47,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1842 [2019-09-08 21:49:47,988 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:49:47,989 INFO L399 BasicCegarLoop]: trace histogram [47, 47, 47, 29, 29, 21, 21, 20, 20, 20, 20, 18, 18, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:49:47,989 INFO L418 AbstractCegarLoop]: === Iteration 46 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:49:47,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:49:47,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1410903957, now seen corresponding path program 1 times [2019-09-08 21:49:47,990 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:49:47,990 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:49:47,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:49:47,992 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-08 21:49:47,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:49:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:49:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10459 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 10326 trivial. 0 not checked. [2019-09-08 21:49:57,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 21:49:57,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 21:49:57,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 21:49:57,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 21:49:57,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:49:57,071 INFO L87 Difference]: Start difference. First operand 132220 states and 159071 transitions. Second operand 7 states. [2019-09-08 21:50:01,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:50:01,230 INFO L93 Difference]: Finished difference Result 264616 states and 318637 transitions. [2019-09-08 21:50:01,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-08 21:50:01,231 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1841 [2019-09-08 21:50:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:50:01,621 INFO L225 Difference]: With dead ends: 264616 [2019-09-08 21:50:01,621 INFO L226 Difference]: Without dead ends: 132436 [2019-09-08 21:50:02,145 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 21:50:02,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132436 states. [2019-09-08 21:50:06,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132436 to 132400. [2019-09-08 21:50:06,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132400 states. [2019-09-08 21:50:07,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132400 states to 132400 states and 159251 transitions. [2019-09-08 21:50:07,132 INFO L78 Accepts]: Start accepts. Automaton has 132400 states and 159251 transitions. Word has length 1841 [2019-09-08 21:50:07,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 21:50:07,133 INFO L475 AbstractCegarLoop]: Abstraction has 132400 states and 159251 transitions. [2019-09-08 21:50:07,133 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 21:50:07,133 INFO L276 IsEmpty]: Start isEmpty. Operand 132400 states and 159251 transitions. [2019-09-08 21:50:07,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1867 [2019-09-08 21:50:07,196 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 21:50:07,197 INFO L399 BasicCegarLoop]: trace histogram [49, 49, 49, 29, 29, 22, 22, 21, 21, 21, 21, 19, 19, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 21:50:07,197 INFO L418 AbstractCegarLoop]: === Iteration 47 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 21:50:07,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 21:50:07,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1194417986, now seen corresponding path program 2 times [2019-09-08 21:50:07,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 21:50:07,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 21:50:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:50:07,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 21:50:07,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 21:50:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 21:50:10,829 INFO L134 CoverageAnalysis]: Checked inductivity of 11120 backedges. 146 proven. 3 refuted. 0 times theorem prover too weak. 10971 trivial. 0 not checked. [2019-09-08 21:50:10,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 21:50:10,829 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 21:50:10,847 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-08 21:50:26,513 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-08 21:50:26,513 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-08 21:50:26,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 14369 conjuncts, 3 conjunts are in the unsatisfiable core [2019-09-08 21:50:26,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 21:50:28,230 INFO L134 CoverageAnalysis]: Checked inductivity of 11120 backedges. 2262 proven. 0 refuted. 0 times theorem prover too weak. 8858 trivial. 0 not checked. [2019-09-08 21:50:28,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 21:50:28,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2019-09-08 21:50:28,316 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 21:50:28,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 21:50:28,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 21:50:28,317 INFO L87 Difference]: Start difference. First operand 132400 states and 159251 transitions. Second operand 8 states. [2019-09-08 21:50:33,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 21:50:33,075 INFO L93 Difference]: Finished difference Result 265304 states and 319945 transitions. [2019-09-08 21:50:33,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 21:50:33,076 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1866 [2019-09-08 21:50:33,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 21:50:33,475 INFO L225 Difference]: With dead ends: 265304 [2019-09-08 21:50:33,475 INFO L226 Difference]: Without dead ends: 132692 [2019-09-08 21:50:33,709 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1875 GetRequests, 1866 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-08 21:50:33,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132692 states.