java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 14:18:15,916 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 14:18:15,920 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 14:18:15,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 14:18:15,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 14:18:15,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 14:18:15,949 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 14:18:15,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 14:18:15,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 14:18:15,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 14:18:15,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 14:18:15,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 14:18:15,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 14:18:15,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 14:18:15,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 14:18:15,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 14:18:15,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 14:18:15,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 14:18:15,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 14:18:15,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 14:18:16,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 14:18:16,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 14:18:16,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 14:18:16,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 14:18:16,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 14:18:16,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 14:18:16,013 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 14:18:16,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 14:18:16,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 14:18:16,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 14:18:16,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 14:18:16,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 14:18:16,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 14:18:16,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 14:18:16,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 14:18:16,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 14:18:16,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 14:18:16,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 14:18:16,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 14:18:16,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 14:18:16,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 14:18:16,033 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 14:18:16,076 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 14:18:16,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 14:18:16,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 14:18:16,081 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 14:18:16,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 14:18:16,082 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 14:18:16,082 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 14:18:16,082 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 14:18:16,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 14:18:16,083 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 14:18:16,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 14:18:16,087 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 14:18:16,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 14:18:16,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 14:18:16,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 14:18:16,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 14:18:16,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 14:18:16,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 14:18:16,089 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 14:18:16,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 14:18:16,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 14:18:16,089 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 14:18:16,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 14:18:16,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 14:18:16,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 14:18:16,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 14:18:16,094 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 14:18:16,094 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 14:18:16,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 14:18:16,094 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 14:18:16,154 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 14:18:16,180 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 14:18:16,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 14:18:16,186 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 14:18:16,187 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 14:18:16,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2019-09-10 14:18:16,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ae609f2/a6c229cfd5cc406a9122251a057bfa6a/FLAG3dbb89da8 [2019-09-10 14:18:17,295 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 14:18:17,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2019-09-10 14:18:17,344 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ae609f2/a6c229cfd5cc406a9122251a057bfa6a/FLAG3dbb89da8 [2019-09-10 14:18:17,620 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21ae609f2/a6c229cfd5cc406a9122251a057bfa6a [2019-09-10 14:18:17,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 14:18:17,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 14:18:17,634 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 14:18:17,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 14:18:17,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 14:18:17,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:18:17" (1/1) ... [2019-09-10 14:18:17,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef9449c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:17, skipping insertion in model container [2019-09-10 14:18:17,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:18:17" (1/1) ... [2019-09-10 14:18:17,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 14:18:17,821 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 14:18:21,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:18:21,395 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 14:18:21,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 14:18:23,121 INFO L192 MainTranslator]: Completed translation [2019-09-10 14:18:23,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23 WrapperNode [2019-09-10 14:18:23,122 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 14:18:23,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 14:18:23,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 14:18:23,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 14:18:23,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... [2019-09-10 14:18:23,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 14:18:23,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 14:18:23,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 14:18:23,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 14:18:23,654 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 14:18:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 14:18:23,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 14:18:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-09-10 14:18:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-09-10 14:18:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 14:18:23,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_macro [2019-09-10 14:18:23,752 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 14:18:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-09-10 14:18:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-09-10 14:18:23,753 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-09-10 14:18:23,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-09-10 14:18:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2019-09-10 14:18:23,755 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-09-10 14:18:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-10 14:18:23,756 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-09-10 14:18:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2019-09-10 14:18:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-09-10 14:18:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2019-09-10 14:18:23,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-10 14:18:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2019-09-10 14:18:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2019-09-10 14:18:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2019-09-10 14:18:23,758 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2019-09-10 14:18:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_push [2019-09-10 14:18:23,759 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2019-09-10 14:18:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-09-10 14:18:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2019-09-10 14:18:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-09-10 14:18:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2019-09-10 14:18:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-09-10 14:18:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-09-10 14:18:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2019-09-10 14:18:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-09-10 14:18:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-09-10 14:18:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-10 14:18:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2019-09-10 14:18:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2019-09-10 14:18:23,762 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-09-10 14:18:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-10 14:18:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2019-09-10 14:18:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_read_configuration [2019-09-10 14:18:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_urb_size [2019-09-10 14:18:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_sofs_wait [2019-09-10 14:18:23,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_receive_filter [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_trigger_firmware [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_reset [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure int_callback [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_tl [2019-09-10 14:18:23,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2019-09-10 14:18:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_usb_receive [2019-09-10 14:18:23,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2019-09-10 14:18:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2019-09-10 14:18:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2019-09-10 14:18:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_get_link [2019-09-10 14:18:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_usb_transmit_complete [2019-09-10 14:18:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_start_xmit [2019-09-10 14:18:23,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2019-09-10 14:18:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2019-09-10 14:18:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_netdev_stats [2019-09-10 14:18:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2019-09-10 14:18:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_suspend [2019-09-10 14:18:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2019-09-10 14:18:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_probe [2019-09-10 14:18:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2019-09-10 14:18:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_api_blocking_completion [2019-09-10 14:18:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_start_wait_urb [2019-09-10 14:18:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_internal_control_msg [2019-09-10 14:18:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_driver_init [2019-09-10 14:18:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_driver_exit [2019-09-10 14:18:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2019-09-10 14:18:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_init_kaweth_driver_init_11_9 [2019-09-10 14:18:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs [2019-09-10 14:18:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_allocate_external_0 [2019-09-10 14:18:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_8_1 [2019-09-10 14:18:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_9_1 [2019-09-10 14:18:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_deregister_dummy_factory_9_11_4 [2019-09-10 14:18:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_2_2 [2019-09-10 14:18:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_deregister_4_2 [2019-09-10 14:18:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_2_3 [2019-09-10 14:18:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_4_3 [2019-09-10 14:18:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_10_2 [2019-09-10 14:18:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_7_4 [2019-09-10 14:18:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_dummy_factory_9_11_5 [2019-09-10 14:18:23,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-09-10 14:18:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-09-10 14:18:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-09-10 14:18:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-09-10 14:18:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-09-10 14:18:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-09-10 14:18:23,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_entry_EMGentry_11 [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_external_data [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2019-09-10 14:18:23,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2019-09-10 14:18:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_7_6 [2019-09-10 14:18:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2019-09-10 14:18:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2019-09-10 14:18:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_1 [2019-09-10 14:18:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_5 [2019-09-10 14:18:23,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_1 [2019-09-10 14:18:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_3 [2019-09-10 14:18:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_1 [2019-09-10 14:18:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_4 [2019-09-10 14:18:23,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_1 [2019-09-10 14:18:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_15 [2019-09-10 14:18:23,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_1 [2019-09-10 14:18:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_4_4 [2019-09-10 14:18:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_dummy_factory_2 [2019-09-10 14:18:23,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_1_2 [2019-09-10 14:18:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_1 [2019-09-10 14:18:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2019-09-10 14:18:23,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_8_2 [2019-09-10 14:18:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister [2019-09-10 14:18:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_dummy_factory_4 [2019-09-10 14:18:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_post_3_9 [2019-09-10 14:18:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_pre_3_10 [2019-09-10 14:18:23,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_probe_3_13 [2019-09-10 14:18:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2019-09-10 14:18:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_resume_3_7 [2019-09-10 14:18:23,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_suspend_3_8 [2019-09-10 14:18:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver [2019-09-10 14:18:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_usb_instance_3 [2019-09-10 14:18:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 14:18:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_57 [2019-09-10 14:18:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata_81 [2019-09-10 14:18:23,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata_82 [2019-09-10 14:18:23,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_83 [2019-09-10 14:18:23,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_84 [2019-09-10 14:18:23,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2019-09-10 14:18:23,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2019-09-10 14:18:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_88 [2019-09-10 14:18:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_89 [2019-09-10 14:18:23,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_expand_90 [2019-09-10 14:18:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2019-09-10 14:18:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_92 [2019-09-10 14:18:23,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_94 [2019-09-10 14:18:23,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___ldv_spin_lock_96 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_etherdev_mqs_98 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___get_free_pages_99 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_100 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_101 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_102 [2019-09-10 14:18:23,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_103 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_104 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_coherent_105 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_106 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_107 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_108 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev_109 [2019-09-10 14:18:23,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_110 [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_111 [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_112 [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_113 [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2019-09-10 14:18:23,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spi_alloc_master [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2019-09-10 14:18:23,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_init [2019-09-10 14:18:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2019-09-10 14:18:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2019-09-10 14:18:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kzalloc [2019-09-10 14:18:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2019-09-10 14:18:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 14:18:23,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 14:18:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 14:18:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 14:18:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2019-09-10 14:18:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 14:18:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2019-09-10 14:18:23,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2019-09-10 14:18:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xzalloc [2019-09-10 14:18:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc_unknown_size [2019-09-10 14:18:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc_unknown_size [2019-09-10 14:18:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc_unknown_size [2019-09-10 14:18:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc_unknown_size [2019-09-10 14:18:23,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 14:18:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 14:18:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 14:18:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-09-10 14:18:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2019-09-10 14:18:23,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_create_N [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_thread_join_N [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-10 14:18:23,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-10 14:18:23,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-10 14:18:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-10 14:18:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-10 14:18:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-10 14:18:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-10 14:18:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-10 14:18:23,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_device_lock_of_kaweth_device [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_device_lock_of_kaweth_device [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_device_lock_of_kaweth_device [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_device_lock_of_kaweth_device [2019-09-10 14:18:23,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_device_lock_of_kaweth_device [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_device_lock_of_kaweth_device [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_i_lock_of_inode [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-10 14:18:23,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock [2019-09-10 14:18:23,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-10 14:18:23,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-10 14:18:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-10 14:18:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-10 14:18:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-10 14:18:23,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-10 14:18:23,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-10 14:18:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-10 14:18:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-10 14:18:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-10 14:18:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptl [2019-09-10 14:18:23,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_ptl [2019-09-10 14:18:23,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-10 14:18:23,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-10 14:18:23,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_irq [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-09-10 14:18:23,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-10 14:18:23,835 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_etherdev_mqs [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2019-09-10 14:18:23,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure external_allocated_data [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-09-10 14:18:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2019-09-10 14:18:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_register_netdev [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_usb_register_driver [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-09-10 14:18:23,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-09-10 14:18:23,840 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-09-10 14:18:23,841 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-10 14:18:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-10 14:18:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_configuration [2019-09-10 14:18:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2019-09-10 14:18:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 14:18:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 14:18:23,842 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 14:18:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 14:18:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 14:18:23,843 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-10 14:18:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 14:18:23,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_init [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_usb_register_driver [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_register_netdev [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 14:18:23,844 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure external_allocated_data [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc_unknown_size [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 14:18:23,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_macro [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 14:18:23,846 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-09-10 14:18:23,847 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2019-09-10 14:18:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-09-10 14:18:23,848 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_94 [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___ldv_spin_lock_96 [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2019-09-10 14:18:23,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-09-10 14:18:23,850 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_89 [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-09-10 14:18:23,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2019-09-10 14:18:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2019-09-10 14:18:23,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-09-10 14:18:23,854 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___get_free_pages_99 [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2019-09-10 14:18:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata_81 [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata_82 [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 14:18:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_expand_90 [2019-09-10 14:18:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2019-09-10 14:18:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 14:18:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2019-09-10 14:18:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-09-10 14:18:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_push [2019-09-10 14:18:23,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_57 [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-10 14:18:23,858 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_100 [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_107 [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev_109 [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-09-10 14:18:23,859 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_irq [2019-09-10 14:18:23,860 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_106 [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_108 [2019-09-10 14:18:23,861 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_112 [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-10 14:18:23,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_113 [2019-09-10 14:18:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2019-09-10 14:18:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2019-09-10 14:18:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-09-10 14:18:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_101 [2019-09-10 14:18:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_102 [2019-09-10 14:18:23,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_103 [2019-09-10 14:18:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_111 [2019-09-10 14:18:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-09-10 14:18:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_83 [2019-09-10 14:18:23,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_84 [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_88 [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_92 [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_110 [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_104 [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_coherent_105 [2019-09-10 14:18:23,869 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_configuration [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2019-09-10 14:18:23,870 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_etherdev_mqs [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs_98 [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_probe [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_internal_control_msg [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_suspend [2019-09-10 14:18:23,871 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2019-09-10 14:18:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2019-09-10 14:18:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 14:18:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_read_configuration [2019-09-10 14:18:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_urb_size [2019-09-10 14:18:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_sofs_wait [2019-09-10 14:18:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_receive_filter [2019-09-10 14:18:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_trigger_firmware [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_reset [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_usb_receive [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure int_callback [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_tl [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2019-09-10 14:18:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_get_link [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_usb_transmit_complete [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_start_xmit [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_netdev_stats [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_api_blocking_completion [2019-09-10 14:18:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure usb_start_wait_urb [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_driver_init [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_driver_exit [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_init_kaweth_driver_init_11_9 [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_etherdev_mqs [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_allocate_external_0 [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_8_1 [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_9_1 [2019-09-10 14:18:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_deregister_dummy_factory_9_11_4 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_2_2 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_deregister_4_2 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_2_3 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_4_3 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_10_2 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_7_4 [2019-09-10 14:18:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_dummy_factory_9_11_5 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_10 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_12 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_13 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_14 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_15 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_3 [2019-09-10 14:18:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_7 [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_entry_EMGentry_11 [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_external_data [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_7_6 [2019-09-10 14:18:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_1 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_5 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_1 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_3 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_1 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_4 [2019-09-10 14:18:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_1 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_15 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_1 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_4_4 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_dummy_factory_2 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_1_2 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_1 [2019-09-10 14:18:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_8_2 [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_dummy_factory_4 [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_post_3_9 [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_pre_3_10 [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_probe_3_13 [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2019-09-10 14:18:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_resume_3_7 [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_suspend_3_8 [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_usb_instance_3 [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__nonatomic [2019-09-10 14:18:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_alloc_spinlock__wrong_flags [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xzalloc [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spi_alloc_master [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-09-10 14:18:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kzalloc [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2019-09-10 14:18:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc_unknown_size [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc_unknown_size [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc_unknown_size [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 14:18:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 14:18:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_create_N [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_thread_join_N [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock__xmit_lock_of_netdev_queue [2019-09-10 14:18:23,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_addr_list_lock_of_net_device [2019-09-10 14:18:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_addr_list_lock_of_net_device [2019-09-10 14:18:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_addr_list_lock_of_net_device [2019-09-10 14:18:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_addr_list_lock_of_net_device [2019-09-10 14:18:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_addr_list_lock_of_net_device [2019-09-10 14:18:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_addr_list_lock_of_net_device [2019-09-10 14:18:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_addr_list_lock_of_net_device [2019-09-10 14:18:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_addr_list_lock_of_net_device [2019-09-10 14:18:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_alloc_lock_of_task_struct [2019-09-10 14:18:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_alloc_lock_of_task_struct [2019-09-10 14:18:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_alloc_lock_of_task_struct [2019-09-10 14:18:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_alloc_lock_of_task_struct [2019-09-10 14:18:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_alloc_lock_of_task_struct [2019-09-10 14:18:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_alloc_lock_of_task_struct [2019-09-10 14:18:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_alloc_lock_of_task_struct [2019-09-10 14:18:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_alloc_lock_of_task_struct [2019-09-10 14:18:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_device_lock_of_kaweth_device [2019-09-10 14:18:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_device_lock_of_kaweth_device [2019-09-10 14:18:23,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_device_lock_of_kaweth_device [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_device_lock_of_kaweth_device [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_device_lock_of_kaweth_device [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_device_lock_of_kaweth_device [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_i_lock_of_inode [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_i_lock_of_inode [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_i_lock_of_inode [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_i_lock_of_inode [2019-09-10 14:18:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_i_lock_of_inode [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_i_lock_of_inode [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_i_lock_of_inode [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_i_lock_of_inode [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock [2019-09-10 14:18:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lock_of_NOT_ARG_SIGN [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lru_lock_of_netns_frags [2019-09-10 14:18:23,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_lru_lock_of_netns_frags [2019-09-10 14:18:23,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_node_size_lock_of_pglist_data [2019-09-10 14:18:23,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_node_size_lock_of_pglist_data [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptl [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_ptl [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_ptl [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_ptl [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_ptl [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_ptl [2019-09-10 14:18:23,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_ptl [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_ptl [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_siglock_of_sighand_struct [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_siglock_of_sighand_struct [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_siglock_of_sighand_struct [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_siglock_of_sighand_struct [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_siglock_of_sighand_struct [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_siglock_of_sighand_struct [2019-09-10 14:18:23,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_siglock_of_sighand_struct [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_siglock_of_sighand_struct [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_global_lock_of_net_device [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_global_lock_of_net_device [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock_tx_global_lock_of_net_device [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_wait_tx_global_lock_of_net_device [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_locked_tx_global_lock_of_net_device [2019-09-10 14:18:23,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_can_lock_tx_global_lock_of_net_device [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_is_contended_tx_global_lock_of_net_device [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_lock_tx_global_lock_of_net_device [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-10 14:18:23,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-10 14:18:23,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-10 14:18:29,872 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint mainFINAL: assume true; [2019-09-10 14:18:30,321 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 14:18:45,351 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 14:18:45,352 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-10 14:18:45,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:18:45 BoogieIcfgContainer [2019-09-10 14:18:45,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 14:18:45,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 14:18:45,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 14:18:45,363 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 14:18:45,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:18:17" (1/3) ... [2019-09-10 14:18:45,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a49ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:18:45, skipping insertion in model container [2019-09-10 14:18:45,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:18:23" (2/3) ... [2019-09-10 14:18:45,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a49ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:18:45, skipping insertion in model container [2019-09-10 14:18:45,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:18:45" (3/3) ... [2019-09-10 14:18:45,370 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2019-09-10 14:18:45,383 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 14:18:45,412 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-09-10 14:18:45,435 INFO L252 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-09-10 14:18:45,480 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 14:18:45,480 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 14:18:45,480 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 14:18:45,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 14:18:45,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 14:18:45,481 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 14:18:45,481 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 14:18:45,481 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 14:18:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states. [2019-09-10 14:18:45,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-10 14:18:45,605 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:18:45,607 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] [2019-09-10 14:18:45,610 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:18:45,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:18:45,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1531929273, now seen corresponding path program 1 times [2019-09-10 14:18:45,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:18:45,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:18:45,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:18:45,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:18:45,731 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:18:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:18:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2019-09-10 14:18:47,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:18:47,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:18:47,002 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:18:47,008 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:18:47,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:18:47,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:18:47,029 INFO L87 Difference]: Start difference. First operand 2343 states. Second operand 3 states. [2019-09-10 14:18:55,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:18:55,589 INFO L93 Difference]: Finished difference Result 2384 states and 2949 transitions. [2019-09-10 14:18:55,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:18:55,592 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-09-10 14:18:55,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:18:55,666 INFO L225 Difference]: With dead ends: 2384 [2019-09-10 14:18:55,666 INFO L226 Difference]: Without dead ends: 2271 [2019-09-10 14:18:55,668 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:18:55,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2271 states. [2019-09-10 14:18:55,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2271 to 2261. [2019-09-10 14:18:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2261 states. [2019-09-10 14:18:55,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 2261 states and 2772 transitions. [2019-09-10 14:18:55,916 INFO L78 Accepts]: Start accepts. Automaton has 2261 states and 2772 transitions. Word has length 162 [2019-09-10 14:18:55,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:18:55,917 INFO L475 AbstractCegarLoop]: Abstraction has 2261 states and 2772 transitions. [2019-09-10 14:18:55,917 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:18:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2772 transitions. [2019-09-10 14:18:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-10 14:18:55,928 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:18:55,929 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] [2019-09-10 14:18:55,929 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:18:55,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:18:55,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1332638975, now seen corresponding path program 1 times [2019-09-10 14:18:55,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:18:55,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:18:55,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:18:55,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:18:55,935 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:18:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:18:56,498 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-09-10 14:18:56,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:18:56,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:18:56,499 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:18:56,501 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:18:56,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:18:56,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:18:56,502 INFO L87 Difference]: Start difference. First operand 2261 states and 2772 transitions. Second operand 3 states. [2019-09-10 14:19:00,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:19:00,354 INFO L93 Difference]: Finished difference Result 3694 states and 4557 transitions. [2019-09-10 14:19:00,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:19:00,354 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-09-10 14:19:00,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:19:00,383 INFO L225 Difference]: With dead ends: 3694 [2019-09-10 14:19:00,384 INFO L226 Difference]: Without dead ends: 3694 [2019-09-10 14:19:00,385 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:19:00,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2019-09-10 14:19:00,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3684. [2019-09-10 14:19:00,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3684 states. [2019-09-10 14:19:00,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3684 states to 3684 states and 4544 transitions. [2019-09-10 14:19:00,590 INFO L78 Accepts]: Start accepts. Automaton has 3684 states and 4544 transitions. Word has length 196 [2019-09-10 14:19:00,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:19:00,591 INFO L475 AbstractCegarLoop]: Abstraction has 3684 states and 4544 transitions. [2019-09-10 14:19:00,591 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:19:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 3684 states and 4544 transitions. [2019-09-10 14:19:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-10 14:19:00,601 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:19:00,602 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] [2019-09-10 14:19:00,602 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:19:00,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:19:00,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1332263885, now seen corresponding path program 1 times [2019-09-10 14:19:00,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:19:00,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:00,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:19:00,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:00,608 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:19:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:19:01,312 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2019-09-10 14:19:01,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:19:01,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:19:01,312 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:19:01,313 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:19:01,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:19:01,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:19:01,314 INFO L87 Difference]: Start difference. First operand 3684 states and 4544 transitions. Second operand 5 states. [2019-09-10 14:19:24,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:19:24,884 INFO L93 Difference]: Finished difference Result 7359 states and 9095 transitions. [2019-09-10 14:19:24,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:19:24,885 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 193 [2019-09-10 14:19:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:19:24,931 INFO L225 Difference]: With dead ends: 7359 [2019-09-10 14:19:24,932 INFO L226 Difference]: Without dead ends: 7359 [2019-09-10 14:19:24,932 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 [2019-09-10 14:19:24,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7359 states. [2019-09-10 14:19:25,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7359 to 7331. [2019-09-10 14:19:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7331 states. [2019-09-10 14:19:25,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7331 states to 7331 states and 9060 transitions. [2019-09-10 14:19:25,172 INFO L78 Accepts]: Start accepts. Automaton has 7331 states and 9060 transitions. Word has length 193 [2019-09-10 14:19:25,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:19:25,172 INFO L475 AbstractCegarLoop]: Abstraction has 7331 states and 9060 transitions. [2019-09-10 14:19:25,172 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:19:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 7331 states and 9060 transitions. [2019-09-10 14:19:25,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-09-10 14:19:25,180 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:19:25,180 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] [2019-09-10 14:19:25,181 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:19:25,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:19:25,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1112813095, now seen corresponding path program 1 times [2019-09-10 14:19:25,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:19:25,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:25,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:19:25,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:25,186 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:19:25,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:19:25,774 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-09-10 14:19:25,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:19:25,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:19:25,775 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:19:25,777 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:19:25,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:19:25,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:19:25,778 INFO L87 Difference]: Start difference. First operand 7331 states and 9060 transitions. Second operand 3 states. [2019-09-10 14:19:36,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:19:36,135 INFO L93 Difference]: Finished difference Result 10081 states and 12357 transitions. [2019-09-10 14:19:36,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:19:36,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 293 [2019-09-10 14:19:36,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:19:36,195 INFO L225 Difference]: With dead ends: 10081 [2019-09-10 14:19:36,195 INFO L226 Difference]: Without dead ends: 10081 [2019-09-10 14:19:36,196 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:19:36,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10081 states. [2019-09-10 14:19:36,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10081 to 10053. [2019-09-10 14:19:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10053 states. [2019-09-10 14:19:36,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10053 states to 10053 states and 12322 transitions. [2019-09-10 14:19:36,500 INFO L78 Accepts]: Start accepts. Automaton has 10053 states and 12322 transitions. Word has length 293 [2019-09-10 14:19:36,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:19:36,502 INFO L475 AbstractCegarLoop]: Abstraction has 10053 states and 12322 transitions. [2019-09-10 14:19:36,502 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:19:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10053 states and 12322 transitions. [2019-09-10 14:19:36,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2019-09-10 14:19:36,516 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:19:36,519 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] [2019-09-10 14:19:36,519 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:19:36,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:19:36,520 INFO L82 PathProgramCache]: Analyzing trace with hash -52450731, now seen corresponding path program 1 times [2019-09-10 14:19:36,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:19:36,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:36,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:19:36,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:36,524 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:19:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:19:37,565 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:19:37,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:19:37,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 14:19:37,566 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:19:37,568 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 14:19:37,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 14:19:37,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 14:19:37,570 INFO L87 Difference]: Start difference. First operand 10053 states and 12322 transitions. Second operand 4 states. [2019-09-10 14:19:43,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:19:43,238 INFO L93 Difference]: Finished difference Result 10053 states and 12312 transitions. [2019-09-10 14:19:43,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:19:43,239 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 436 [2019-09-10 14:19:43,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:19:43,288 INFO L225 Difference]: With dead ends: 10053 [2019-09-10 14:19:43,288 INFO L226 Difference]: Without dead ends: 10053 [2019-09-10 14:19:43,288 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 [2019-09-10 14:19:43,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10053 states. [2019-09-10 14:19:43,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10053 to 10053. [2019-09-10 14:19:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10053 states. [2019-09-10 14:19:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10053 states to 10053 states and 12312 transitions. [2019-09-10 14:19:43,541 INFO L78 Accepts]: Start accepts. Automaton has 10053 states and 12312 transitions. Word has length 436 [2019-09-10 14:19:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:19:43,546 INFO L475 AbstractCegarLoop]: Abstraction has 10053 states and 12312 transitions. [2019-09-10 14:19:43,546 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 14:19:43,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10053 states and 12312 transitions. [2019-09-10 14:19:43,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2019-09-10 14:19:43,563 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:19:43,564 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] [2019-09-10 14:19:43,564 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:19:43,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:19:43,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1511119907, now seen corresponding path program 1 times [2019-09-10 14:19:43,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:19:43,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:43,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:19:43,572 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:43,573 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:19:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:19:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:19:44,474 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:19:44,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:19:44,474 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:19:44,475 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:19:44,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:19:44,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:19:44,476 INFO L87 Difference]: Start difference. First operand 10053 states and 12312 transitions. Second operand 5 states. [2019-09-10 14:19:56,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:19:56,709 INFO L93 Difference]: Finished difference Result 10053 states and 12302 transitions. [2019-09-10 14:19:56,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:19:56,710 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 437 [2019-09-10 14:19:56,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:19:56,773 INFO L225 Difference]: With dead ends: 10053 [2019-09-10 14:19:56,774 INFO L226 Difference]: Without dead ends: 10053 [2019-09-10 14:19:56,774 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 [2019-09-10 14:19:56,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10053 states. [2019-09-10 14:19:57,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10053 to 10053. [2019-09-10 14:19:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10053 states. [2019-09-10 14:19:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10053 states to 10053 states and 12302 transitions. [2019-09-10 14:19:57,127 INFO L78 Accepts]: Start accepts. Automaton has 10053 states and 12302 transitions. Word has length 437 [2019-09-10 14:19:57,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:19:57,130 INFO L475 AbstractCegarLoop]: Abstraction has 10053 states and 12302 transitions. [2019-09-10 14:19:57,131 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:19:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 10053 states and 12302 transitions. [2019-09-10 14:19:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2019-09-10 14:19:57,156 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:19:57,157 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] [2019-09-10 14:19:57,158 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:19:57,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:19:57,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1118476177, now seen corresponding path program 1 times [2019-09-10 14:19:57,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:19:57,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:57,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:19:57,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:19:57,167 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:19:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:19:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:19:58,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:19:58,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:19:58,554 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:19:58,556 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:19:58,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:19:58,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:19:58,558 INFO L87 Difference]: Start difference. First operand 10053 states and 12302 transitions. Second operand 5 states. [2019-09-10 14:20:06,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:20:06,403 INFO L93 Difference]: Finished difference Result 10053 states and 12292 transitions. [2019-09-10 14:20:06,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:20:06,404 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 438 [2019-09-10 14:20:06,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:20:06,439 INFO L225 Difference]: With dead ends: 10053 [2019-09-10 14:20:06,439 INFO L226 Difference]: Without dead ends: 10053 [2019-09-10 14:20:06,439 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 [2019-09-10 14:20:06,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10053 states. [2019-09-10 14:20:06,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10053 to 10053. [2019-09-10 14:20:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10053 states. [2019-09-10 14:20:06,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10053 states to 10053 states and 12292 transitions. [2019-09-10 14:20:06,708 INFO L78 Accepts]: Start accepts. Automaton has 10053 states and 12292 transitions. Word has length 438 [2019-09-10 14:20:06,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:20:06,710 INFO L475 AbstractCegarLoop]: Abstraction has 10053 states and 12292 transitions. [2019-09-10 14:20:06,710 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:20:06,710 INFO L276 IsEmpty]: Start isEmpty. Operand 10053 states and 12292 transitions. [2019-09-10 14:20:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2019-09-10 14:20:06,734 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:20:06,738 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] [2019-09-10 14:20:06,739 INFO L418 AbstractCegarLoop]: === Iteration 8 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:20:06,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:20:06,740 INFO L82 PathProgramCache]: Analyzing trace with hash 212729183, now seen corresponding path program 1 times [2019-09-10 14:20:06,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:20:06,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:06,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:20:06,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:06,756 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:20:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:20:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:20:07,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:20:07,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:20:07,596 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:20:07,598 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:20:07,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:20:07,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:20:07,599 INFO L87 Difference]: Start difference. First operand 10053 states and 12292 transitions. Second operand 5 states. [2019-09-10 14:20:18,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:20:18,416 INFO L93 Difference]: Finished difference Result 27597 states and 34310 transitions. [2019-09-10 14:20:18,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:20:18,417 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 439 [2019-09-10 14:20:18,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:20:18,524 INFO L225 Difference]: With dead ends: 27597 [2019-09-10 14:20:18,524 INFO L226 Difference]: Without dead ends: 27597 [2019-09-10 14:20:18,525 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 [2019-09-10 14:20:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27597 states. [2019-09-10 14:20:19,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27597 to 27577. [2019-09-10 14:20:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:20:19,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34292 transitions. [2019-09-10 14:20:19,264 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34292 transitions. Word has length 439 [2019-09-10 14:20:19,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:20:19,266 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34292 transitions. [2019-09-10 14:20:19,266 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:20:19,267 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34292 transitions. [2019-09-10 14:20:19,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2019-09-10 14:20:19,278 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:20:19,279 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] [2019-09-10 14:20:19,279 INFO L418 AbstractCegarLoop]: === Iteration 9 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:20:19,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:20:19,280 INFO L82 PathProgramCache]: Analyzing trace with hash 580650189, now seen corresponding path program 1 times [2019-09-10 14:20:19,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:20:19,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:19,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:20:19,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:19,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:20:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:20:20,031 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:20:20,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:20:20,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:20:20,032 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:20:20,032 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:20:20,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:20:20,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:20:20,033 INFO L87 Difference]: Start difference. First operand 27577 states and 34292 transitions. Second operand 5 states. [2019-09-10 14:20:26,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:20:26,427 INFO L93 Difference]: Finished difference Result 27577 states and 34266 transitions. [2019-09-10 14:20:26,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:20:26,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 440 [2019-09-10 14:20:26,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:20:26,512 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:20:26,513 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:20:26,513 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 [2019-09-10 14:20:26,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:20:27,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:20:27,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:20:27,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34266 transitions. [2019-09-10 14:20:27,385 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34266 transitions. Word has length 440 [2019-09-10 14:20:27,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:20:27,386 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34266 transitions. [2019-09-10 14:20:27,386 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:20:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34266 transitions. [2019-09-10 14:20:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2019-09-10 14:20:27,392 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:20:27,393 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] [2019-09-10 14:20:27,393 INFO L418 AbstractCegarLoop]: === Iteration 10 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:20:27,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:20:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1777573531, now seen corresponding path program 1 times [2019-09-10 14:20:27,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:20:27,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:27,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:20:27,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:27,399 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:20:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:20:28,022 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:20:28,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:20:28,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:20:28,023 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:20:28,024 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:20:28,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:20:28,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:20:28,025 INFO L87 Difference]: Start difference. First operand 27577 states and 34266 transitions. Second operand 5 states. [2019-09-10 14:20:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:20:34,832 INFO L93 Difference]: Finished difference Result 27577 states and 34240 transitions. [2019-09-10 14:20:34,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:20:34,832 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 441 [2019-09-10 14:20:34,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:20:34,917 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:20:34,918 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:20:34,918 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 [2019-09-10 14:20:34,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:20:35,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:20:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:20:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34240 transitions. [2019-09-10 14:20:35,559 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34240 transitions. Word has length 441 [2019-09-10 14:20:35,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:20:35,560 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34240 transitions. [2019-09-10 14:20:35,560 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:20:35,560 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34240 transitions. [2019-09-10 14:20:35,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2019-09-10 14:20:35,567 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:20:35,568 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] [2019-09-10 14:20:35,569 INFO L418 AbstractCegarLoop]: === Iteration 11 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:20:35,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:20:35,570 INFO L82 PathProgramCache]: Analyzing trace with hash -1391201783, now seen corresponding path program 1 times [2019-09-10 14:20:35,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:20:35,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:35,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:20:35,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:35,575 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:20:35,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:20:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:20:36,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:20:36,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:20:36,230 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:20:36,231 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:20:36,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:20:36,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:20:36,232 INFO L87 Difference]: Start difference. First operand 27577 states and 34240 transitions. Second operand 5 states. [2019-09-10 14:20:42,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:20:42,938 INFO L93 Difference]: Finished difference Result 27577 states and 34214 transitions. [2019-09-10 14:20:42,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:20:42,938 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 442 [2019-09-10 14:20:42,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:20:43,318 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:20:43,319 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:20:43,324 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 [2019-09-10 14:20:43,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:20:43,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:20:43,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:20:44,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34214 transitions. [2019-09-10 14:20:44,019 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34214 transitions. Word has length 442 [2019-09-10 14:20:44,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:20:44,020 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34214 transitions. [2019-09-10 14:20:44,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:20:44,020 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34214 transitions. [2019-09-10 14:20:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-09-10 14:20:44,029 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:20:44,029 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] [2019-09-10 14:20:44,029 INFO L418 AbstractCegarLoop]: === Iteration 12 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:20:44,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:20:44,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1837285335, now seen corresponding path program 1 times [2019-09-10 14:20:44,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:20:44,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:44,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:20:44,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:44,035 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:20:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:20:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:20:44,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:20:44,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:20:44,846 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:20:44,847 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:20:44,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:20:44,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:20:44,848 INFO L87 Difference]: Start difference. First operand 27577 states and 34214 transitions. Second operand 5 states. [2019-09-10 14:20:52,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:20:52,277 INFO L93 Difference]: Finished difference Result 27577 states and 34188 transitions. [2019-09-10 14:20:52,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:20:52,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 443 [2019-09-10 14:20:52,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:20:52,377 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:20:52,377 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:20:52,378 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 [2019-09-10 14:20:52,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:20:53,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:20:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:20:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34188 transitions. [2019-09-10 14:20:53,370 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34188 transitions. Word has length 443 [2019-09-10 14:20:53,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:20:53,371 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34188 transitions. [2019-09-10 14:20:53,371 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:20:53,372 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34188 transitions. [2019-09-10 14:20:53,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-09-10 14:20:53,380 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:20:53,380 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] [2019-09-10 14:20:53,381 INFO L418 AbstractCegarLoop]: === Iteration 13 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:20:53,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:20:53,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1517444933, now seen corresponding path program 1 times [2019-09-10 14:20:53,382 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:20:53,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:53,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:20:53,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:20:53,390 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:20:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:20:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:20:54,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:20:54,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:20:54,143 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:20:54,144 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:20:54,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:20:54,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:20:54,145 INFO L87 Difference]: Start difference. First operand 27577 states and 34188 transitions. Second operand 5 states. [2019-09-10 14:21:01,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:01,461 INFO L93 Difference]: Finished difference Result 27577 states and 34162 transitions. [2019-09-10 14:21:01,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:21:01,461 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 444 [2019-09-10 14:21:01,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:01,552 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:21:01,552 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:21:01,553 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-10 14:21:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:21:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:21:02,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:21:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34162 transitions. [2019-09-10 14:21:02,560 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34162 transitions. Word has length 444 [2019-09-10 14:21:02,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:02,562 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34162 transitions. [2019-09-10 14:21:02,562 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:21:02,562 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34162 transitions. [2019-09-10 14:21:02,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-09-10 14:21:02,571 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:02,572 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] [2019-09-10 14:21:02,573 INFO L418 AbstractCegarLoop]: === Iteration 14 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:02,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:02,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1426366189, now seen corresponding path program 1 times [2019-09-10 14:21:02,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:02,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:02,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:02,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:02,581 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:03,369 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:21:03,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:03,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:21:03,370 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:03,371 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:21:03,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:21:03,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:21:03,372 INFO L87 Difference]: Start difference. First operand 27577 states and 34162 transitions. Second operand 5 states. [2019-09-10 14:21:10,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:10,739 INFO L93 Difference]: Finished difference Result 27577 states and 34136 transitions. [2019-09-10 14:21:10,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:21:10,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 445 [2019-09-10 14:21:10,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:10,852 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:21:10,852 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:21:10,853 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 [2019-09-10 14:21:10,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:21:11,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:21:11,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:21:11,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34136 transitions. [2019-09-10 14:21:11,541 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34136 transitions. Word has length 445 [2019-09-10 14:21:11,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:11,543 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34136 transitions. [2019-09-10 14:21:11,543 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:21:11,543 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34136 transitions. [2019-09-10 14:21:11,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2019-09-10 14:21:11,553 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:11,554 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] [2019-09-10 14:21:11,554 INFO L418 AbstractCegarLoop]: === Iteration 15 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:11,555 INFO L82 PathProgramCache]: Analyzing trace with hash 186076289, now seen corresponding path program 1 times [2019-09-10 14:21:11,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:11,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:11,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:11,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:11,561 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:21:12,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:12,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:21:12,678 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:12,679 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:21:12,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:21:12,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:21:12,680 INFO L87 Difference]: Start difference. First operand 27577 states and 34136 transitions. Second operand 5 states. [2019-09-10 14:21:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:19,920 INFO L93 Difference]: Finished difference Result 27577 states and 34110 transitions. [2019-09-10 14:21:19,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:21:19,921 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 446 [2019-09-10 14:21:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:19,996 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:21:19,996 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:21:19,997 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 [2019-09-10 14:21:20,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:21:20,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:21:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:21:20,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34110 transitions. [2019-09-10 14:21:20,513 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34110 transitions. Word has length 446 [2019-09-10 14:21:20,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:20,514 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34110 transitions. [2019-09-10 14:21:20,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:21:20,514 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34110 transitions. [2019-09-10 14:21:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2019-09-10 14:21:20,522 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:20,522 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] [2019-09-10 14:21:20,523 INFO L418 AbstractCegarLoop]: === Iteration 16 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:20,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:20,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1308459599, now seen corresponding path program 1 times [2019-09-10 14:21:20,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:20,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:20,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:20,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:20,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:21:21,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:21,278 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:21:21,278 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:21,279 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:21:21,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:21:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:21:21,280 INFO L87 Difference]: Start difference. First operand 27577 states and 34110 transitions. Second operand 5 states. [2019-09-10 14:21:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:28,840 INFO L93 Difference]: Finished difference Result 27577 states and 34084 transitions. [2019-09-10 14:21:28,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:21:28,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 447 [2019-09-10 14:21:28,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:28,948 INFO L225 Difference]: With dead ends: 27577 [2019-09-10 14:21:28,948 INFO L226 Difference]: Without dead ends: 27577 [2019-09-10 14:21:28,949 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 [2019-09-10 14:21:28,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27577 states. [2019-09-10 14:21:29,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27577 to 27577. [2019-09-10 14:21:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27577 states. [2019-09-10 14:21:29,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27577 states to 27577 states and 34084 transitions. [2019-09-10 14:21:29,422 INFO L78 Accepts]: Start accepts. Automaton has 27577 states and 34084 transitions. Word has length 447 [2019-09-10 14:21:29,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:29,423 INFO L475 AbstractCegarLoop]: Abstraction has 27577 states and 34084 transitions. [2019-09-10 14:21:29,423 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:21:29,423 INFO L276 IsEmpty]: Start isEmpty. Operand 27577 states and 34084 transitions. [2019-09-10 14:21:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2019-09-10 14:21:29,431 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:29,431 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] [2019-09-10 14:21:29,431 INFO L418 AbstractCegarLoop]: === Iteration 17 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:29,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:29,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1243697362, now seen corresponding path program 1 times [2019-09-10 14:21:29,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:29,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:29,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:29,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:29,436 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 620 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2019-09-10 14:21:30,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:30,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 14:21:30,193 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:30,194 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 14:21:30,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 14:21:30,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 14:21:30,195 INFO L87 Difference]: Start difference. First operand 27577 states and 34084 transitions. Second operand 7 states. [2019-09-10 14:21:30,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:30,454 INFO L93 Difference]: Finished difference Result 27709 states and 34392 transitions. [2019-09-10 14:21:30,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 14:21:30,455 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 447 [2019-09-10 14:21:30,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:30,565 INFO L225 Difference]: With dead ends: 27709 [2019-09-10 14:21:30,565 INFO L226 Difference]: Without dead ends: 27709 [2019-09-10 14:21:30,568 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 [2019-09-10 14:21:30,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27709 states. [2019-09-10 14:21:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27709 to 27673. [2019-09-10 14:21:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27673 states. [2019-09-10 14:21:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27673 states to 27673 states and 34232 transitions. [2019-09-10 14:21:31,631 INFO L78 Accepts]: Start accepts. Automaton has 27673 states and 34232 transitions. Word has length 447 [2019-09-10 14:21:31,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:31,632 INFO L475 AbstractCegarLoop]: Abstraction has 27673 states and 34232 transitions. [2019-09-10 14:21:31,632 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 14:21:31,632 INFO L276 IsEmpty]: Start isEmpty. Operand 27673 states and 34232 transitions. [2019-09-10 14:21:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2019-09-10 14:21:31,649 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:31,650 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:21:31,651 INFO L418 AbstractCegarLoop]: === Iteration 18 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:31,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:31,652 INFO L82 PathProgramCache]: Analyzing trace with hash 4901486, now seen corresponding path program 1 times [2019-09-10 14:21:31,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:31,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:31,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:31,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:31,661 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:31,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:32,364 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2019-09-10 14:21:32,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:32,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:21:32,365 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:32,366 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:21:32,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:21:32,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:21:32,367 INFO L87 Difference]: Start difference. First operand 27673 states and 34232 transitions. Second operand 3 states. [2019-09-10 14:21:36,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:36,663 INFO L93 Difference]: Finished difference Result 31887 states and 39335 transitions. [2019-09-10 14:21:36,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:21:36,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 527 [2019-09-10 14:21:36,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:36,794 INFO L225 Difference]: With dead ends: 31887 [2019-09-10 14:21:36,794 INFO L226 Difference]: Without dead ends: 31887 [2019-09-10 14:21:36,795 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 [2019-09-10 14:21:36,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31887 states. [2019-09-10 14:21:37,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31887 to 31803. [2019-09-10 14:21:37,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31803 states. [2019-09-10 14:21:37,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31803 states to 31803 states and 39220 transitions. [2019-09-10 14:21:37,493 INFO L78 Accepts]: Start accepts. Automaton has 31803 states and 39220 transitions. Word has length 527 [2019-09-10 14:21:37,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:37,493 INFO L475 AbstractCegarLoop]: Abstraction has 31803 states and 39220 transitions. [2019-09-10 14:21:37,493 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:21:37,494 INFO L276 IsEmpty]: Start isEmpty. Operand 31803 states and 39220 transitions. [2019-09-10 14:21:37,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2019-09-10 14:21:37,503 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:37,503 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:21:37,504 INFO L418 AbstractCegarLoop]: === Iteration 19 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:37,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:37,505 INFO L82 PathProgramCache]: Analyzing trace with hash -424756820, now seen corresponding path program 1 times [2019-09-10 14:21:37,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:37,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:37,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:37,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:37,508 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 796 trivial. 0 not checked. [2019-09-10 14:21:38,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:38,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:21:38,350 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:38,352 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:21:38,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:21:38,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:21:38,353 INFO L87 Difference]: Start difference. First operand 31803 states and 39220 transitions. Second operand 3 states. [2019-09-10 14:21:43,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:43,300 INFO L93 Difference]: Finished difference Result 36077 states and 44363 transitions. [2019-09-10 14:21:43,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:21:43,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 527 [2019-09-10 14:21:43,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:43,466 INFO L225 Difference]: With dead ends: 36077 [2019-09-10 14:21:43,467 INFO L226 Difference]: Without dead ends: 36077 [2019-09-10 14:21:43,467 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:21:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36077 states. [2019-09-10 14:21:44,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36077 to 35993. [2019-09-10 14:21:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35993 states. [2019-09-10 14:21:44,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35993 states to 35993 states and 44248 transitions. [2019-09-10 14:21:44,387 INFO L78 Accepts]: Start accepts. Automaton has 35993 states and 44248 transitions. Word has length 527 [2019-09-10 14:21:44,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:44,387 INFO L475 AbstractCegarLoop]: Abstraction has 35993 states and 44248 transitions. [2019-09-10 14:21:44,388 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:21:44,388 INFO L276 IsEmpty]: Start isEmpty. Operand 35993 states and 44248 transitions. [2019-09-10 14:21:44,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2019-09-10 14:21:44,400 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:44,401 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] [2019-09-10 14:21:44,401 INFO L418 AbstractCegarLoop]: === Iteration 20 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:44,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:44,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1318294191, now seen corresponding path program 1 times [2019-09-10 14:21:44,403 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:44,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:44,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:44,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:44,407 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:45,161 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-10 14:21:45,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:45,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:21:45,162 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:45,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:21:45,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:21:45,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:21:45,164 INFO L87 Difference]: Start difference. First operand 35993 states and 44248 transitions. Second operand 5 states. [2019-09-10 14:21:49,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:49,822 INFO L93 Difference]: Finished difference Result 42049 states and 51395 transitions. [2019-09-10 14:21:49,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:21:49,823 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 574 [2019-09-10 14:21:49,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:49,940 INFO L225 Difference]: With dead ends: 42049 [2019-09-10 14:21:49,940 INFO L226 Difference]: Without dead ends: 42049 [2019-09-10 14:21:49,940 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 [2019-09-10 14:21:49,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42049 states. [2019-09-10 14:21:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42049 to 41965. [2019-09-10 14:21:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41965 states. [2019-09-10 14:21:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41965 states to 41965 states and 51280 transitions. [2019-09-10 14:21:50,593 INFO L78 Accepts]: Start accepts. Automaton has 41965 states and 51280 transitions. Word has length 574 [2019-09-10 14:21:50,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:50,593 INFO L475 AbstractCegarLoop]: Abstraction has 41965 states and 51280 transitions. [2019-09-10 14:21:50,593 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:21:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 41965 states and 51280 transitions. [2019-09-10 14:21:50,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2019-09-10 14:21:50,605 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:50,605 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] [2019-09-10 14:21:50,605 INFO L418 AbstractCegarLoop]: === Iteration 21 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:50,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:50,606 INFO L82 PathProgramCache]: Analyzing trace with hash 528902142, now seen corresponding path program 1 times [2019-09-10 14:21:50,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:50,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:50,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:50,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:50,609 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-10 14:21:51,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:51,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:21:51,977 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:51,980 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:21:51,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:21:51,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:21:51,981 INFO L87 Difference]: Start difference. First operand 41965 states and 51280 transitions. Second operand 5 states. [2019-09-10 14:21:56,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:21:56,535 INFO L93 Difference]: Finished difference Result 46215 states and 56407 transitions. [2019-09-10 14:21:56,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:21:56,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 575 [2019-09-10 14:21:56,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:21:56,664 INFO L225 Difference]: With dead ends: 46215 [2019-09-10 14:21:56,665 INFO L226 Difference]: Without dead ends: 46215 [2019-09-10 14:21:56,665 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 [2019-09-10 14:21:56,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46215 states. [2019-09-10 14:21:57,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46215 to 46131. [2019-09-10 14:21:57,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46131 states. [2019-09-10 14:21:57,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46131 states to 46131 states and 56292 transitions. [2019-09-10 14:21:57,352 INFO L78 Accepts]: Start accepts. Automaton has 46131 states and 56292 transitions. Word has length 575 [2019-09-10 14:21:57,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:21:57,352 INFO L475 AbstractCegarLoop]: Abstraction has 46131 states and 56292 transitions. [2019-09-10 14:21:57,352 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:21:57,353 INFO L276 IsEmpty]: Start isEmpty. Operand 46131 states and 56292 transitions. [2019-09-10 14:21:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2019-09-10 14:21:57,364 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:21:57,364 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] [2019-09-10 14:21:57,365 INFO L418 AbstractCegarLoop]: === Iteration 22 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:21:57,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:21:57,365 INFO L82 PathProgramCache]: Analyzing trace with hash -9460369, now seen corresponding path program 1 times [2019-09-10 14:21:57,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:21:57,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:57,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:21:57,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:21:57,368 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:21:57,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:21:57,983 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-10 14:21:57,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:21:57,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:21:57,984 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:21:57,985 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:21:57,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:21:57,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:21:57,985 INFO L87 Difference]: Start difference. First operand 46131 states and 56292 transitions. Second operand 5 states. [2019-09-10 14:22:02,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:02,351 INFO L93 Difference]: Finished difference Result 50429 states and 61467 transitions. [2019-09-10 14:22:02,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:22:02,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 569 [2019-09-10 14:22:02,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:02,495 INFO L225 Difference]: With dead ends: 50429 [2019-09-10 14:22:02,496 INFO L226 Difference]: Without dead ends: 50429 [2019-09-10 14:22:02,496 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 [2019-09-10 14:22:02,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50429 states. [2019-09-10 14:22:04,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50429 to 50345. [2019-09-10 14:22:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50345 states. [2019-09-10 14:22:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50345 states to 50345 states and 61352 transitions. [2019-09-10 14:22:04,824 INFO L78 Accepts]: Start accepts. Automaton has 50345 states and 61352 transitions. Word has length 569 [2019-09-10 14:22:04,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:04,825 INFO L475 AbstractCegarLoop]: Abstraction has 50345 states and 61352 transitions. [2019-09-10 14:22:04,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:22:04,825 INFO L276 IsEmpty]: Start isEmpty. Operand 50345 states and 61352 transitions. [2019-09-10 14:22:04,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 578 [2019-09-10 14:22:04,839 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:04,839 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, 1, 1] [2019-09-10 14:22:04,840 INFO L418 AbstractCegarLoop]: === Iteration 23 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:04,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:04,841 INFO L82 PathProgramCache]: Analyzing trace with hash -109457567, now seen corresponding path program 1 times [2019-09-10 14:22:04,841 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:04,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:04,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:04,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:04,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:05,444 INFO L134 CoverageAnalysis]: Checked inductivity of 977 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2019-09-10 14:22:05,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:05,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:22:05,445 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:05,445 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:22:05,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:22:05,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:22:05,446 INFO L87 Difference]: Start difference. First operand 50345 states and 61352 transitions. Second operand 5 states. [2019-09-10 14:22:09,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:09,667 INFO L93 Difference]: Finished difference Result 55085 states and 66963 transitions. [2019-09-10 14:22:09,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:22:09,667 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 577 [2019-09-10 14:22:09,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:09,814 INFO L225 Difference]: With dead ends: 55085 [2019-09-10 14:22:09,814 INFO L226 Difference]: Without dead ends: 55085 [2019-09-10 14:22:09,815 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 [2019-09-10 14:22:09,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55085 states. [2019-09-10 14:22:10,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55085 to 55001. [2019-09-10 14:22:10,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55001 states. [2019-09-10 14:22:10,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55001 states to 55001 states and 66848 transitions. [2019-09-10 14:22:10,592 INFO L78 Accepts]: Start accepts. Automaton has 55001 states and 66848 transitions. Word has length 577 [2019-09-10 14:22:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:10,593 INFO L475 AbstractCegarLoop]: Abstraction has 55001 states and 66848 transitions. [2019-09-10 14:22:10,593 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:22:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 55001 states and 66848 transitions. [2019-09-10 14:22:10,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2019-09-10 14:22:10,607 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:10,607 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, 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] [2019-09-10 14:22:10,608 INFO L418 AbstractCegarLoop]: === Iteration 24 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:10,608 INFO L82 PathProgramCache]: Analyzing trace with hash 553173472, now seen corresponding path program 1 times [2019-09-10 14:22:10,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:10,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:10,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:10,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:10,612 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1060 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 1003 trivial. 0 not checked. [2019-09-10 14:22:13,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:13,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:22:13,183 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:13,183 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:22:13,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:22:13,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:22:13,184 INFO L87 Difference]: Start difference. First operand 55001 states and 66848 transitions. Second operand 3 states. [2019-09-10 14:22:17,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:17,357 INFO L93 Difference]: Finished difference Result 57266 states and 69371 transitions. [2019-09-10 14:22:17,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:22:17,358 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 594 [2019-09-10 14:22:17,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:17,503 INFO L225 Difference]: With dead ends: 57266 [2019-09-10 14:22:17,503 INFO L226 Difference]: Without dead ends: 57266 [2019-09-10 14:22:17,503 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:22:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57266 states. [2019-09-10 14:22:18,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57266 to 57182. [2019-09-10 14:22:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57182 states. [2019-09-10 14:22:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57182 states to 57182 states and 69256 transitions. [2019-09-10 14:22:18,297 INFO L78 Accepts]: Start accepts. Automaton has 57182 states and 69256 transitions. Word has length 594 [2019-09-10 14:22:18,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:18,297 INFO L475 AbstractCegarLoop]: Abstraction has 57182 states and 69256 transitions. [2019-09-10 14:22:18,297 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:22:18,297 INFO L276 IsEmpty]: Start isEmpty. Operand 57182 states and 69256 transitions. [2019-09-10 14:22:18,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 691 [2019-09-10 14:22:18,312 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:18,312 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] [2019-09-10 14:22:18,312 INFO L418 AbstractCegarLoop]: === Iteration 25 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:18,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:18,313 INFO L82 PathProgramCache]: Analyzing trace with hash 370841933, now seen corresponding path program 1 times [2019-09-10 14:22:18,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:18,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:18,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:18,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:18,316 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1283 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2019-09-10 14:22:19,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:19,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:22:19,314 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:19,315 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:22:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:22:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:22:19,316 INFO L87 Difference]: Start difference. First operand 57182 states and 69256 transitions. Second operand 3 states. [2019-09-10 14:22:23,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:23,338 INFO L93 Difference]: Finished difference Result 54024 states and 65055 transitions. [2019-09-10 14:22:23,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:22:23,338 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 690 [2019-09-10 14:22:23,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:23,458 INFO L225 Difference]: With dead ends: 54024 [2019-09-10 14:22:23,459 INFO L226 Difference]: Without dead ends: 54024 [2019-09-10 14:22:23,459 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:22:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54024 states. [2019-09-10 14:22:24,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54024 to 53996. [2019-09-10 14:22:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53996 states. [2019-09-10 14:22:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53996 states to 53996 states and 65020 transitions. [2019-09-10 14:22:24,155 INFO L78 Accepts]: Start accepts. Automaton has 53996 states and 65020 transitions. Word has length 690 [2019-09-10 14:22:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:24,156 INFO L475 AbstractCegarLoop]: Abstraction has 53996 states and 65020 transitions. [2019-09-10 14:22:24,156 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:22:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 53996 states and 65020 transitions. [2019-09-10 14:22:24,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 738 [2019-09-10 14:22:24,170 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:24,171 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] [2019-09-10 14:22:24,171 INFO L418 AbstractCegarLoop]: === Iteration 26 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:24,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:24,172 INFO L82 PathProgramCache]: Analyzing trace with hash 883401671, now seen corresponding path program 1 times [2019-09-10 14:22:24,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:24,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:24,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:24,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:24,175 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:24,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1460 trivial. 0 not checked. [2019-09-10 14:22:24,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:24,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 14:22:24,835 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:24,836 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 14:22:24,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 14:22:24,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-10 14:22:24,837 INFO L87 Difference]: Start difference. First operand 53996 states and 65020 transitions. Second operand 7 states. [2019-09-10 14:22:33,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:33,092 INFO L93 Difference]: Finished difference Result 39674 states and 47230 transitions. [2019-09-10 14:22:33,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 14:22:33,093 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 737 [2019-09-10 14:22:33,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:33,165 INFO L225 Difference]: With dead ends: 39674 [2019-09-10 14:22:33,166 INFO L226 Difference]: Without dead ends: 39674 [2019-09-10 14:22:33,166 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-09-10 14:22:33,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39674 states. [2019-09-10 14:22:33,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39674 to 39666. [2019-09-10 14:22:33,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39666 states. [2019-09-10 14:22:33,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39666 states to 39666 states and 47206 transitions. [2019-09-10 14:22:33,651 INFO L78 Accepts]: Start accepts. Automaton has 39666 states and 47206 transitions. Word has length 737 [2019-09-10 14:22:33,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:33,652 INFO L475 AbstractCegarLoop]: Abstraction has 39666 states and 47206 transitions. [2019-09-10 14:22:33,652 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 14:22:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 39666 states and 47206 transitions. [2019-09-10 14:22:33,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1093 [2019-09-10 14:22:33,681 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:33,682 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, 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, 1] [2019-09-10 14:22:33,682 INFO L418 AbstractCegarLoop]: === Iteration 27 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:33,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:33,683 INFO L82 PathProgramCache]: Analyzing trace with hash -321009605, now seen corresponding path program 1 times [2019-09-10 14:22:33,683 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:33,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:33,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:33,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:33,687 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:35,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2464 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2019-09-10 14:22:35,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:35,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-09-10 14:22:35,173 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:35,174 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-10 14:22:35,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-10 14:22:35,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2019-09-10 14:22:35,174 INFO L87 Difference]: Start difference. First operand 39666 states and 47206 transitions. Second operand 12 states. [2019-09-10 14:22:35,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:35,402 INFO L93 Difference]: Finished difference Result 39958 states and 47594 transitions. [2019-09-10 14:22:35,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 14:22:35,403 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 1092 [2019-09-10 14:22:35,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:35,481 INFO L225 Difference]: With dead ends: 39958 [2019-09-10 14:22:35,481 INFO L226 Difference]: Without dead ends: 39958 [2019-09-10 14:22:35,481 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 [2019-09-10 14:22:35,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39958 states. [2019-09-10 14:22:35,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39958 to 39830. [2019-09-10 14:22:35,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39830 states. [2019-09-10 14:22:35,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39830 states to 39830 states and 47422 transitions. [2019-09-10 14:22:35,979 INFO L78 Accepts]: Start accepts. Automaton has 39830 states and 47422 transitions. Word has length 1092 [2019-09-10 14:22:35,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:35,980 INFO L475 AbstractCegarLoop]: Abstraction has 39830 states and 47422 transitions. [2019-09-10 14:22:35,980 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-10 14:22:35,980 INFO L276 IsEmpty]: Start isEmpty. Operand 39830 states and 47422 transitions. [2019-09-10 14:22:36,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1168 [2019-09-10 14:22:36,022 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:36,022 INFO L399 BasicCegarLoop]: trace histogram [21, 21, 21, 18, 18, 18, 18, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:22:36,023 INFO L418 AbstractCegarLoop]: === Iteration 28 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:36,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:36,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1459302091, now seen corresponding path program 1 times [2019-09-10 14:22:36,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:36,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:36,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:36,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:36,027 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:37,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2668 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 2604 trivial. 0 not checked. [2019-09-10 14:22:37,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:37,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 14:22:37,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:37,507 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 14:22:37,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 14:22:37,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:22:37,508 INFO L87 Difference]: Start difference. First operand 39830 states and 47422 transitions. Second operand 3 states. [2019-09-10 14:22:41,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:41,611 INFO L93 Difference]: Finished difference Result 53116 states and 63585 transitions. [2019-09-10 14:22:41,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 14:22:41,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1167 [2019-09-10 14:22:41,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:41,733 INFO L225 Difference]: With dead ends: 53116 [2019-09-10 14:22:41,733 INFO L226 Difference]: Without dead ends: 53116 [2019-09-10 14:22:41,733 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 14:22:41,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53116 states. [2019-09-10 14:22:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53116 to 53064. [2019-09-10 14:22:42,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53064 states. [2019-09-10 14:22:42,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53064 states to 53064 states and 63505 transitions. [2019-09-10 14:22:42,373 INFO L78 Accepts]: Start accepts. Automaton has 53064 states and 63505 transitions. Word has length 1167 [2019-09-10 14:22:42,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:42,374 INFO L475 AbstractCegarLoop]: Abstraction has 53064 states and 63505 transitions. [2019-09-10 14:22:42,374 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 14:22:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 53064 states and 63505 transitions. [2019-09-10 14:22:42,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2019-09-10 14:22:42,406 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:42,407 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, 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, 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] [2019-09-10 14:22:42,407 INFO L418 AbstractCegarLoop]: === Iteration 29 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:42,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:42,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1786616788, now seen corresponding path program 1 times [2019-09-10 14:22:42,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:42,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:42,410 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:42,410 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:42,410 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:43,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2751 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2714 trivial. 0 not checked. [2019-09-10 14:22:43,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:43,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:22:43,950 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:43,951 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:22:43,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:22:43,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:22:43,951 INFO L87 Difference]: Start difference. First operand 53064 states and 63505 transitions. Second operand 5 states. [2019-09-10 14:22:47,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:47,921 INFO L93 Difference]: Finished difference Result 65628 states and 78680 transitions. [2019-09-10 14:22:47,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:22:47,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1200 [2019-09-10 14:22:47,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:48,058 INFO L225 Difference]: With dead ends: 65628 [2019-09-10 14:22:48,058 INFO L226 Difference]: Without dead ends: 65628 [2019-09-10 14:22:48,059 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 [2019-09-10 14:22:48,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65628 states. [2019-09-10 14:22:49,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65628 to 65500. [2019-09-10 14:22:49,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65500 states. [2019-09-10 14:22:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65500 states to 65500 states and 78524 transitions. [2019-09-10 14:22:49,237 INFO L78 Accepts]: Start accepts. Automaton has 65500 states and 78524 transitions. Word has length 1200 [2019-09-10 14:22:49,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:49,238 INFO L475 AbstractCegarLoop]: Abstraction has 65500 states and 78524 transitions. [2019-09-10 14:22:49,238 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:22:49,238 INFO L276 IsEmpty]: Start isEmpty. Operand 65500 states and 78524 transitions. [2019-09-10 14:22:49,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1202 [2019-09-10 14:22:49,274 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:49,275 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, 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, 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] [2019-09-10 14:22:49,275 INFO L418 AbstractCegarLoop]: === Iteration 30 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:49,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:49,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1646248806, now seen corresponding path program 1 times [2019-09-10 14:22:49,276 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:49,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:49,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:49,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:49,278 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:50,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2751 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2714 trivial. 0 not checked. [2019-09-10 14:22:50,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:50,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:22:50,769 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:50,770 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:22:50,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:22:50,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:22:50,771 INFO L87 Difference]: Start difference. First operand 65500 states and 78524 transitions. Second operand 5 states. [2019-09-10 14:22:54,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:22:54,866 INFO L93 Difference]: Finished difference Result 78218 states and 93827 transitions. [2019-09-10 14:22:54,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:22:54,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1201 [2019-09-10 14:22:54,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:22:55,020 INFO L225 Difference]: With dead ends: 78218 [2019-09-10 14:22:55,020 INFO L226 Difference]: Without dead ends: 78218 [2019-09-10 14:22:55,020 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 [2019-09-10 14:22:55,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78218 states. [2019-09-10 14:22:55,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78218 to 78090. [2019-09-10 14:22:55,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78090 states. [2019-09-10 14:22:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78090 states to 78090 states and 93671 transitions. [2019-09-10 14:22:55,961 INFO L78 Accepts]: Start accepts. Automaton has 78090 states and 93671 transitions. Word has length 1201 [2019-09-10 14:22:55,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:22:55,962 INFO L475 AbstractCegarLoop]: Abstraction has 78090 states and 93671 transitions. [2019-09-10 14:22:55,962 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:22:55,962 INFO L276 IsEmpty]: Start isEmpty. Operand 78090 states and 93671 transitions. [2019-09-10 14:22:55,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2019-09-10 14:22:55,999 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:22:56,000 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, 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, 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] [2019-09-10 14:22:56,000 INFO L418 AbstractCegarLoop]: === Iteration 31 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:22:56,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:22:56,001 INFO L82 PathProgramCache]: Analyzing trace with hash 1242315343, now seen corresponding path program 1 times [2019-09-10 14:22:56,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:22:56,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:56,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:22:56,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:22:56,003 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:22:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:22:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2751 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 2714 trivial. 0 not checked. [2019-09-10 14:22:57,563 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:22:57,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:22:57,564 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:22:57,565 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:22:57,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:22:57,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:22:57,565 INFO L87 Difference]: Start difference. First operand 78090 states and 93671 transitions. Second operand 5 states. [2019-09-10 14:23:01,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:01,762 INFO L93 Difference]: Finished difference Result 90844 states and 109036 transitions. [2019-09-10 14:23:01,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:23:01,762 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1202 [2019-09-10 14:23:01,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:01,959 INFO L225 Difference]: With dead ends: 90844 [2019-09-10 14:23:01,960 INFO L226 Difference]: Without dead ends: 90844 [2019-09-10 14:23:01,960 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 [2019-09-10 14:23:02,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90844 states. [2019-09-10 14:23:03,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90844 to 90716. [2019-09-10 14:23:03,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90716 states. [2019-09-10 14:23:03,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90716 states to 90716 states and 108880 transitions. [2019-09-10 14:23:03,436 INFO L78 Accepts]: Start accepts. Automaton has 90716 states and 108880 transitions. Word has length 1202 [2019-09-10 14:23:03,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:03,437 INFO L475 AbstractCegarLoop]: Abstraction has 90716 states and 108880 transitions. [2019-09-10 14:23:03,437 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:23:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand 90716 states and 108880 transitions. [2019-09-10 14:23:03,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2019-09-10 14:23:03,481 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:23:03,482 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, 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, 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] [2019-09-10 14:23:03,482 INFO L418 AbstractCegarLoop]: === Iteration 32 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:23:03,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:03,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1238290245, now seen corresponding path program 1 times [2019-09-10 14:23:03,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:23:03,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:03,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:23:03,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:03,486 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:23:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:23:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2800 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2726 trivial. 0 not checked. [2019-09-10 14:23:05,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:23:05,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:23:05,441 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:23:05,442 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:23:05,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:23:05,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:23:05,443 INFO L87 Difference]: Start difference. First operand 90716 states and 108880 transitions. Second operand 5 states. [2019-09-10 14:23:09,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:09,481 INFO L93 Difference]: Finished difference Result 103586 states and 124335 transitions. [2019-09-10 14:23:09,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:23:09,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1197 [2019-09-10 14:23:09,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:09,715 INFO L225 Difference]: With dead ends: 103586 [2019-09-10 14:23:09,715 INFO L226 Difference]: Without dead ends: 103586 [2019-09-10 14:23:09,716 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 [2019-09-10 14:23:09,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103586 states. [2019-09-10 14:23:11,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103586 to 103458. [2019-09-10 14:23:11,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103458 states. [2019-09-10 14:23:11,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103458 states to 103458 states and 124179 transitions. [2019-09-10 14:23:11,371 INFO L78 Accepts]: Start accepts. Automaton has 103458 states and 124179 transitions. Word has length 1197 [2019-09-10 14:23:11,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:11,373 INFO L475 AbstractCegarLoop]: Abstraction has 103458 states and 124179 transitions. [2019-09-10 14:23:11,373 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:23:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 103458 states and 124179 transitions. [2019-09-10 14:23:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1199 [2019-09-10 14:23:11,418 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:23:11,418 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, 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, 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] [2019-09-10 14:23:11,419 INFO L418 AbstractCegarLoop]: === Iteration 33 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:23:11,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:11,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2083404838, now seen corresponding path program 1 times [2019-09-10 14:23:11,420 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:23:11,421 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:11,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:23:11,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:11,422 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:23:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:23:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2800 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2726 trivial. 0 not checked. [2019-09-10 14:23:12,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:23:12,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:23:12,961 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:23:12,963 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:23:12,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:23:12,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:23:12,963 INFO L87 Difference]: Start difference. First operand 103458 states and 124179 transitions. Second operand 5 states. [2019-09-10 14:23:17,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:17,080 INFO L93 Difference]: Finished difference Result 116288 states and 139620 transitions. [2019-09-10 14:23:17,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:23:17,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1198 [2019-09-10 14:23:17,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:17,339 INFO L225 Difference]: With dead ends: 116288 [2019-09-10 14:23:17,339 INFO L226 Difference]: Without dead ends: 116288 [2019-09-10 14:23:17,340 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 [2019-09-10 14:23:17,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116288 states. [2019-09-10 14:23:18,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116288 to 116160. [2019-09-10 14:23:18,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116160 states. [2019-09-10 14:23:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116160 states to 116160 states and 139464 transitions. [2019-09-10 14:23:19,121 INFO L78 Accepts]: Start accepts. Automaton has 116160 states and 139464 transitions. Word has length 1198 [2019-09-10 14:23:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:19,122 INFO L475 AbstractCegarLoop]: Abstraction has 116160 states and 139464 transitions. [2019-09-10 14:23:19,122 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:23:19,123 INFO L276 IsEmpty]: Start isEmpty. Operand 116160 states and 139464 transitions. [2019-09-10 14:23:19,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1200 [2019-09-10 14:23:19,167 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:23:19,168 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, 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, 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] [2019-09-10 14:23:19,168 INFO L418 AbstractCegarLoop]: === Iteration 34 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:23:19,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:19,169 INFO L82 PathProgramCache]: Analyzing trace with hash 105312392, now seen corresponding path program 1 times [2019-09-10 14:23:19,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:23:19,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:19,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:23:19,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:19,172 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:23:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:23:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 2800 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2726 trivial. 0 not checked. [2019-09-10 14:23:20,736 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:23:20,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 14:23:20,737 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:23:20,738 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 14:23:20,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 14:23:20,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 14:23:20,739 INFO L87 Difference]: Start difference. First operand 116160 states and 139464 transitions. Second operand 5 states. [2019-09-10 14:23:24,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:24,800 INFO L93 Difference]: Finished difference Result 129106 states and 154995 transitions. [2019-09-10 14:23:24,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-10 14:23:24,800 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 1199 [2019-09-10 14:23:24,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:25,117 INFO L225 Difference]: With dead ends: 129106 [2019-09-10 14:23:25,118 INFO L226 Difference]: Without dead ends: 129106 [2019-09-10 14:23:25,118 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 [2019-09-10 14:23:25,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129106 states. [2019-09-10 14:23:26,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129106 to 128978. [2019-09-10 14:23:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128978 states. [2019-09-10 14:23:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128978 states to 128978 states and 154839 transitions. [2019-09-10 14:23:27,118 INFO L78 Accepts]: Start accepts. Automaton has 128978 states and 154839 transitions. Word has length 1199 [2019-09-10 14:23:27,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:27,119 INFO L475 AbstractCegarLoop]: Abstraction has 128978 states and 154839 transitions. [2019-09-10 14:23:27,119 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 14:23:27,119 INFO L276 IsEmpty]: Start isEmpty. Operand 128978 states and 154839 transitions. [2019-09-10 14:23:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1201 [2019-09-10 14:23:27,166 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:23:27,167 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, 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, 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] [2019-09-10 14:23:27,167 INFO L418 AbstractCegarLoop]: === Iteration 35 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:23:27,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:27,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1318119485, now seen corresponding path program 1 times [2019-09-10 14:23:27,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:23:27,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:27,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:23:27,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:27,171 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:23:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:23:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2800 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 2720 trivial. 0 not checked. [2019-09-10 14:23:32,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:23:32,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 14:23:32,942 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:23:32,943 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 14:23:32,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 14:23:32,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 14:23:32,944 INFO L87 Difference]: Start difference. First operand 128978 states and 154839 transitions. Second operand 7 states. [2019-09-10 14:23:33,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:33,499 INFO L93 Difference]: Finished difference Result 129302 states and 155163 transitions. [2019-09-10 14:23:33,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 14:23:33,499 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1200 [2019-09-10 14:23:33,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:33,955 INFO L225 Difference]: With dead ends: 129302 [2019-09-10 14:23:33,955 INFO L226 Difference]: Without dead ends: 129302 [2019-09-10 14:23:33,955 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 [2019-09-10 14:23:34,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129302 states. [2019-09-10 14:23:36,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129302 to 129238. [2019-09-10 14:23:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129238 states. [2019-09-10 14:23:36,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129238 states to 129238 states and 155099 transitions. [2019-09-10 14:23:36,345 INFO L78 Accepts]: Start accepts. Automaton has 129238 states and 155099 transitions. Word has length 1200 [2019-09-10 14:23:36,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:36,346 INFO L475 AbstractCegarLoop]: Abstraction has 129238 states and 155099 transitions. [2019-09-10 14:23:36,346 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 14:23:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 129238 states and 155099 transitions. [2019-09-10 14:23:36,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1228 [2019-09-10 14:23:36,398 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:23:36,399 INFO L399 BasicCegarLoop]: trace histogram [23, 23, 23, 20, 20, 19, 19, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 14:23:36,399 INFO L418 AbstractCegarLoop]: === Iteration 36 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:23:36,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:36,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1424702817, now seen corresponding path program 1 times [2019-09-10 14:23:36,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:23:36,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:36,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:23:36,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:36,402 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:23:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:23:38,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 2878 trivial. 0 not checked. [2019-09-10 14:23:38,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 14:23:38,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 14:23:38,809 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:23:38,810 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 14:23:38,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 14:23:38,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 14:23:38,810 INFO L87 Difference]: Start difference. First operand 129238 states and 155099 transitions. Second operand 8 states. [2019-09-10 14:23:39,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:39,521 INFO L93 Difference]: Finished difference Result 130214 states and 156319 transitions. [2019-09-10 14:23:39,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 14:23:39,521 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 1227 [2019-09-10 14:23:39,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:39,835 INFO L225 Difference]: With dead ends: 130214 [2019-09-10 14:23:39,835 INFO L226 Difference]: Without dead ends: 130214 [2019-09-10 14:23:39,835 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 [2019-09-10 14:23:39,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130214 states. [2019-09-10 14:23:43,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130214 to 129604. [2019-09-10 14:23:43,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129604 states. [2019-09-10 14:23:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129604 states to 129604 states and 155587 transitions. [2019-09-10 14:23:44,178 INFO L78 Accepts]: Start accepts. Automaton has 129604 states and 155587 transitions. Word has length 1227 [2019-09-10 14:23:44,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:44,179 INFO L475 AbstractCegarLoop]: Abstraction has 129604 states and 155587 transitions. [2019-09-10 14:23:44,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 14:23:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 129604 states and 155587 transitions. [2019-09-10 14:23:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1222 [2019-09-10 14:23:44,228 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 14:23:44,228 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, 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, 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] [2019-09-10 14:23:44,229 INFO L418 AbstractCegarLoop]: === Iteration 37 === [ldv_assert_linux_alloc_spinlock__wrong_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_alloc_spinlock__nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 14:23:44,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:44,229 INFO L82 PathProgramCache]: Analyzing trace with hash 863040521, now seen corresponding path program 1 times [2019-09-10 14:23:44,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 14:23:44,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:44,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 14:23:44,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 14:23:44,231 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 14:23:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 14:23:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 3011 backedges. 86 proven. 8 refuted. 0 times theorem prover too weak. 2917 trivial. 0 not checked. [2019-09-10 14:23:48,435 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 14:23:48,435 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 14:23:48,437 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 1222 with the following transitions: [2019-09-10 14:23:48,441 INFO L207 CegarAbsIntRunner]: [31], [33], [35], [36], [37], [43], [44], [217], [218], [219], [221], [291], [293], [295], [298], [302], [304], [307], [335], [340], [341], [346], [347], [369], [370], [375], [377], [394], [395], [422], [425], [427], [428], [597], [598], [620], [625], [630], [635], [640], [645], [650], [655], [660], [665], [668], [737], [739], [741], [744], [746], [748], [751], [754], [767], [781], [784], [786], [787], [796], [799], [800], [801], [804], [805], [808], [810], [811], [853], [855], [856], [917], [918], [919], [925], [926], [934], [937], [939], [941], [944], [946], [949], [953], [956], [957], [958], [964], [970], [971], [1008], [1010], [1011], [1023], [1026], [1028], [1031], [1033], [1034], [1039], [1044], [1049], [1052], [1054], [1059], [1064], [1069], [1074], [1079], [1082], [1104], [1128], [1155], [1157], [1160], [1164], [1166], [1170], [1175], [1177], [1180], [1184], [1185], [1200], [1205], [1210], [1215], [1220], [1225], [1230], [1233], [1274], [1276], [1278], [1281], [1286], [1367], [1369], [1371], [1372], [1383], [1385], [1388], [1392], [1394], [1396], [1397], [1437], [1439], [1444], [1449], [1454], [1459], [1464], [1469], [1472], [1492], [1498], [1531], [1533], [1535], [1538], [1540], [1542], [1544], [1547], [1559], [1560], [1566], [1567], [1568], [1571], [1574], [1577], [1579], [1582], [1584], [1589], [1594], [1597], [1599], [1602], [1678], [1680], [1723], [1725], [1727], [1729], [1731], [1733], [1735], [1737], [1739], [1740], [1752], [1756], [1760], [1763], [1797], [1798], [1799], [1800], [1801], [1802], [1805], [1810], [1811], [1812], [1814], [1815], [1827], [1829], [1832], [1836], [1838], [1840], [1841], [1853], [1854], [1875], [1877], [1902], [1903], [1904], [1907], [1908], [1958], [1959], [1969], [1994], [2013], [2014], [2033], [2035], [2036], [2199], [2200], [2215], [2217], [2219], [2220], [2263], [2267], [2269], [2273], [2275], [2297], [2298], [2365], [2367], [2368], [2369], [2370], [2413], [2414], [2430], [2433], [2438], [2440], [2451], [2452], [2453], [2456], [2457], [2458], [2461], [2462], [2465], [2468], [2469], [2480], [2486], [2488], [2491], [2493], [2494], [2502], [2503], [2504], [2506], [2507], [2514], [2516], [2517], [2522], [2523], [2524], [2529], [2532], [2547], [2550], [2581], [2583], [2584], [2585], [2587], [2592], [2594], [2596], [2598], [2599], [2604], [2605], [2619], [2621], [2622], [2626], [2627], [2668], [2669], [2730], [2731], [2769], [2771], [2774], [2778], [2780], [2782], [2783], [2853], [2855], [2882], [2884], [2887], [2892], [2895], [2897], [2900], [2904], [2905], [2907], [2910], [2916], [2917], [2919], [2920], [2921], [2931], [2932], [2953], [2955], [2958], [2960], [2962], [2968], [2969], [2988], [2989], [2990], [2992], [2994], [2997], [3001], [3003], [3008], [3010], [3012], [3015], [3020], [3024], [3026], [3028], [3031], [3033], [3036], [3041], [3044], [3091], [3096], [3101], [3103], [3116], [3118], [3123], [3125], [3130], [3132], [3137], [3139], [3141], [3146], [3148], [3153], [3155], [3160], [3162], [3167], [3169], [3174], [3176], [3178], [3180], [3183], [3185], [3187], [3189], [3192], [3205], [3207], [3209], [3211], [3213], [3215], [3217], [3219], [3221], [3223], [3226], [3227], [3231], [3232], [3233], [3234], [3314], [3316], [3317], [3341], [3342], [3343], [3348], [3353], [3371], [3372], [3391], [3392], [3393], [3394], [3461], [3462], [3463], [3464], [3465], [3501], [3502], [3503], [3504], [3505], [3506], [3537], [3538], [3559], [3560], [3561], [3562], [3563], [3564], [3679], [3680], [3681], [3682], [3683], [3684], [3685], [3686], [3687], [3688], [3689], [3690], [3691], [3692], [3693], [3694], [3695], [3696], [3709], [3710], [3711], [3712], [3713], [3714], [3723], [3724], [3725], [3726], [3727], [3728], [3729], [3730], [3731], [3732], [3757], [3758], [3791], [3792], [3793], [3794], [3795], [3796], [3797], [3798], [3799], [3800], [3815], [3816], [3823], [3824], [3825], [3831], [3832], [3841], [3851], [3852], [3853], [3854], [3857], [3858], [3903], [3904], [3905], [3906], [3907], [3908], [3909], [3910], [3947], [3948], [3949], [3950], [3957], [3958], [3959], [3960], [3961], [3962], [3971], [3972], [3997], [3998], [3999], [4000], [4001], [4002], [4003], [4004], [4005], [4006], [4007], [4008], [4009], [4010], [4011], [4012], [4021], [4022], [4023], [4024], [4025], [4026], [4027], [4028], [4029], [4030], [4035], [4036], [4037], [4038], [4059], [4060], [4073], [4074], [4075], [4076], [4077], [4078], [4079], [4080], [4081], [4082], [4083], [4084], [4085], [4086], [4087], [4088], [4097], [4098], [4099], [4100], [4105], [4106], [4111], [4112], [4113], [4114], [4115], [4116], [4135], [4136], [4169], [4170], [4171], [4177], [4178], [4197], [4213], [4214], [4281], [4282], [4283], [4284], [4305], [4306], [4307], [4308], [4309], [4339], [4340], [4363], [4364], [4365], [4366], [4369], [4370], [4379], [4380], [4381], [4382], [4383], [4384], [4385], [4386], [4387], [4388], [4389], [4390], [4395], [4396], [4397], [4398], [4399], [4400], [4401], [4402], [4409], [4410], [4413], [4414], [4421], [4422], [4423], [4424], [4443], [4444], [4445], [4446], [4447], [4448], [4449], [4450], [4463], [4464], [4515], [4516], [4517], [4518], [4519], [4520], [4555], [4556], [4565], [4566], [4567], [4568], [4569], [4570], [4571], [4572], [4577], [4578], [4601], [4602], [4603], [4604], [4617], [4618], [4619], [4620], [4621], [4622], [4623], [4624], [4625], [4626], [4627], [4628], [4629], [4630], [4631], [4632], [4633], [4634], [4635], [4636], [4637], [4638], [4639], [4640], [4641], [4642], [4659], [4660], [4661], [4662], [4665], [4666], [4667], [4668], [4669], [4670], [4671], [4672], [4673], [4674], [4675], [4676], [4677], [4678], [4679], [4680], [4681], [4682], [4683], [4684], [4685], [4686], [4687], [4688], [4689], [4690], [4691], [4692], [4693], [4694], [4695], [4696], [4699], [4700], [4701], [4702], [4703], [4704], [4705], [4706], [4707], [4708], [4709], [4710], [4711], [4712], [4713], [4714], [4769], [4770] [2019-09-10 14:23:48,545 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 14:23:48,545 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 14:23:49,032 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 14:23:49,034 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 634 root evaluator evaluations with a maximum evaluation depth of 0. Performed 634 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 1298 variables. [2019-09-10 14:23:49,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 14:23:49,038 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 14:23:49,298 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 14:23:49,301 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 14:23:49,337 INFO L420 sIntCurrentIteration]: We unified 1220 AI predicates to 1220 [2019-09-10 14:23:49,337 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 14:23:49,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 14:23:49,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 14:23:49,339 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 14:23:49,342 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 14:23:49,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 14:23:49,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:23:49,345 INFO L87 Difference]: Start difference. First operand 129604 states and 155587 transitions. Second operand 2 states. [2019-09-10 14:23:49,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 14:23:49,348 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 14:23:49,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 14:23:49,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1221 [2019-09-10 14:23:49,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 14:23:49,349 INFO L225 Difference]: With dead ends: 2 [2019-09-10 14:23:49,349 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 14:23:49,350 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1220 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 14:23:49,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 14:23:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 14:23:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 14:23:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 14:23:49,350 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1221 [2019-09-10 14:23:49,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 14:23:49,351 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 14:23:49,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 14:23:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 14:23:49,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 14:23:49,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:23:49 BoogieIcfgContainer [2019-09-10 14:23:49,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 14:23:49,361 INFO L168 Benchmark]: Toolchain (without parser) took 331727.93 ms. Allocated memory was 137.4 MB in the beginning and 3.1 GB in the end (delta: 2.9 GB). Free memory was 72.7 MB in the beginning and 2.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 982.6 MB. Max. memory is 7.1 GB. [2019-09-10 14:23:49,362 INFO L168 Benchmark]: CDTParser took 1.43 ms. Allocated memory is still 137.4 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 14:23:49,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 5489.06 ms. Allocated memory was 137.4 MB in the beginning and 286.3 MB in the end (delta: 148.9 MB). Free memory was 72.3 MB in the beginning and 141.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 160.2 MB. Max. memory is 7.1 GB. [2019-09-10 14:23:49,363 INFO L168 Benchmark]: Boogie Preprocessor took 518.99 ms. Allocated memory is still 286.3 MB. Free memory was 141.0 MB in the beginning and 97.0 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. [2019-09-10 14:23:49,364 INFO L168 Benchmark]: RCFGBuilder took 21713.24 ms. Allocated memory was 286.3 MB in the beginning and 975.7 MB in the end (delta: 689.4 MB). Free memory was 97.0 MB in the beginning and 890.0 MB in the end (delta: -793.0 MB). Peak memory consumption was 713.2 MB. Max. memory is 7.1 GB. [2019-09-10 14:23:49,365 INFO L168 Benchmark]: TraceAbstraction took 304001.04 ms. Allocated memory was 975.7 MB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 890.0 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 961.5 MB. Max. memory is 7.1 GB. [2019-09-10 14:23:49,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.43 ms. Allocated memory is still 137.4 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 5489.06 ms. Allocated memory was 137.4 MB in the beginning and 286.3 MB in the end (delta: 148.9 MB). Free memory was 72.3 MB in the beginning and 141.0 MB in the end (delta: -68.7 MB). Peak memory consumption was 160.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 518.99 ms. Allocated memory is still 286.3 MB. Free memory was 141.0 MB in the beginning and 97.0 MB in the end (delta: 44.0 MB). Peak memory consumption was 44.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 21713.24 ms. Allocated memory was 286.3 MB in the beginning and 975.7 MB in the end (delta: 689.4 MB). Free memory was 97.0 MB in the beginning and 890.0 MB in the end (delta: -793.0 MB). Peak memory consumption was 713.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 304001.04 ms. Allocated memory was 975.7 MB in the beginning and 3.1 GB in the end (delta: 2.1 GB). Free memory was 890.0 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 961.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 11457]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 11445]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 368 procedures, 2566 locations, 2 error locations. SAFE Result, 303.8s OverallTime, 37 OverallIterations, 23 TraceHistogramMax, 218.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 89176 SDtfs, 58059 SDslu, 161005 SDs, 0 SdLazy, 18970 SolverSat, 24379 SolverUnsat, 33 SolverUnknown, 0 SolverNotchecked, 183.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1460 GetRequests, 1329 SyntacticMatches, 1 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129604occurred in iteration=36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1901639344262294 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 34.4s AutomataMinimizationTime, 37 MinimizatonAttempts, 2378 StatesRemovedByMinimization, 25 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 2.0s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 18.7s InterpolantComputationTime, 25063 NumberOfCodeBlocks, 25063 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 25026 ConstructedInterpolants, 0 QuantifiedInterpolants, 23503306 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 37 InterpolantComputations, 36 PerfectInterpolantSequences, 48862/48870 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...