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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:43:31,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:43:31,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:43:31,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:43:31,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:43:31,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:43:31,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:43:31,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:43:31,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:43:31,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:43:31,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:43:31,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:43:31,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:43:31,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:43:31,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:43:31,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:43:31,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:43:31,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:43:31,697 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:43:31,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:43:31,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:43:31,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:43:31,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:43:31,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:43:31,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:43:31,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:43:31,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:43:31,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:43:31,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:43:31,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:43:31,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:43:31,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:43:31,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:43:31,716 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:43:31,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:43:31,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:43:31,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:43:31,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:43:31,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:43:31,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:43:31,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:43:31,722 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 [2019-09-20 13:43:31,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:43:31,739 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:43:31,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:43:31,739 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:43:31,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:43:31,740 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:43:31,740 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:43:31,741 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:43:31,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:43:31,741 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:43:31,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:43:31,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:43:31,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:43:31,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:43:31,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:43:31,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:43:31,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:43:31,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:43:31,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:43:31,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:43:31,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:43:31,744 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:43:31,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:43:31,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:43:31,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:43:31,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:43:31,745 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:43:31,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:43:31,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:43:31,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:43:31,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:43:31,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:43:31,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:43:31,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:43:31,795 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:43:31,796 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2019-09-20 13:43:31,863 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b8cf68d/029d65d25ec44340b863089960e67aa7/FLAGdae58bc04 [2019-09-20 13:43:32,598 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:43:32,599 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2019-09-20 13:43:32,644 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b8cf68d/029d65d25ec44340b863089960e67aa7/FLAGdae58bc04 [2019-09-20 13:43:32,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60b8cf68d/029d65d25ec44340b863089960e67aa7 [2019-09-20 13:43:32,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:43:32,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:43:32,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:32,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:43:32,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:43:32,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:32" (1/1) ... [2019-09-20 13:43:32,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf83f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:32, skipping insertion in model container [2019-09-20 13:43:32,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:43:32" (1/1) ... [2019-09-20 13:43:32,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:43:32,839 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:43:34,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:34,740 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:43:35,054 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:43:35,302 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:43:35,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35 WrapperNode [2019-09-20 13:43:35,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:43:35,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:43:35,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:43:35,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:43:35,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (1/1) ... [2019-09-20 13:43:35,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:43:35,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:43:35,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:43:35,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:43:35,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (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 [2019-09-20 13:43:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:43:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:43:35,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:43:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-09-20 13:43:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-09-20 13:43:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-09-20 13:43:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-09-20 13:43:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-09-20 13:43:35,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-20 13:43:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-20 13:43:35,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-20 13:43:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-20 13:43:35,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-20 13:43:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-20 13:43:35,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-20 13:43:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-20 13:43:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-20 13:43:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-20 13:43:35,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-20 13:43:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-09-20 13:43:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_schedule_event [2019-09-20 13:43:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_down [2019-09-20 13:43:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_bchannel_up [2019-09-20 13:43:35,761 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocm_to_gigaset [2019-09-20 13:43:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_modem_ctrl [2019-09-20 13:43:35,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_value [2019-09-20 13:43:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_baud_rate [2019-09-20 13:43:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_set_line_ctrl [2019-09-20 13:43:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_init_bchannel [2019-09-20 13:43:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_close_bchannel [2019-09-20 13:43:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_modem_fill [2019-09-20 13:43:35,763 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_read_int_callback [2019-09-20 13:43:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_bulk_callback [2019-09-20 13:43:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure send_cb [2019-09-20 13:43:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_cmd [2019-09-20 13:43:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_write_room [2019-09-20 13:43:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_chars_in_buffer [2019-09-20 13:43:35,764 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_brkchars [2019-09-20 13:43:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freebcshw [2019-09-20 13:43:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initbcshw [2019-09-20 13:43:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_reinitbcshw [2019-09-20 13:43:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecshw [2019-09-20 13:43:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcshw [2019-09-20 13:43:35,765 INFO L138 BoogieDeclarations]: Found implementation of procedure write_modem [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_probe [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_disconnect [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_suspend [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_resume [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_pre_reset [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_init [2019-09-20 13:43:35,766 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_gigaset_exit [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_2 [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gigaset_ops_1 [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_3 [2019-09-20 13:43:35,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-09-20 13:43:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_6 [2019-09-20 13:43:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_dev_7 [2019-09-20 13:43:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2019-09-20 13:43:35,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_9 [2019-09-20 13:43:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_10 [2019-09-20 13:43:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_11 [2019-09-20 13:43:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_12 [2019-09-20 13:43:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_13 [2019-09-20 13:43:35,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_14 [2019-09-20 13:43:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_16 [2019-09-20 13:43:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_17 [2019-09-20 13:43:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_19 [2019-09-20 13:43:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_20 [2019-09-20 13:43:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_dev_21 [2019-09-20 13:43:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_24 [2019-09-20 13:43:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_25 [2019-09-20 13:43:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_26 [2019-09-20 13:43:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-20 13:43:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-20 13:43:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-20 13:43:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-20 13:43:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-20 13:43:35,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-20 13:43:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-20 13:43:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-20 13:43:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-20 13:43:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-20 13:43:35,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-09-20 13:43:35,775 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_notice [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-09-20 13:43:35,776 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_add_event [2019-09-20 13:43:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_blockdriver [2019-09-20 13:43:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_dbg_buffer [2019-09-20 13:43:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_fill_inbuf [2019-09-20 13:43:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freecs [2019-09-20 13:43:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_freedriver [2019-09-20 13:43:35,777 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initcs [2019-09-20 13:43:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_initdriver [2019-09-20 13:43:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_input [2019-09-20 13:43:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_m10x_send_skb [2019-09-20 13:43:35,778 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_shutdown [2019-09-20 13:43:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_skb_sent [2019-09-20 13:43:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_start [2019-09-20 13:43:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure gigaset_stop [2019-09-20 13:43:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-20 13:43:35,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-09-20 13:43:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-09-20 13:43:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-09-20 13:43:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2019-09-20 13:43:35,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-09-20 13:43:35,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-09-20 13:43:35,781 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-09-20 13:43:35,781 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-09-20 13:43:35,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-09-20 13:43:35,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-09-20 13:43:35,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-09-20 13:43:35,782 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-20 13:43:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-20 13:43:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-20 13:43:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-20 13:43:35,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-09-20 13:43:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:43:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-20 13:43:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-09-20 13:43:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-20 13:43:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-09-20 13:43:35,784 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-09-20 13:43:35,785 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-09-20 13:43:35,785 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-09-20 13:43:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-09-20 13:43:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-09-20 13:43:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-09-20 13:43:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-09-20 13:43:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-09-20 13:43:35,796 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-09-20 13:43:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-20 13:43:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-09-20 13:43:35,797 INFO L130 BoogieDeclarations]: Found specification of procedure dev_notice [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_17 [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_dev_7 [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_16 [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_dev_21 [2019-09-20 13:43:35,798 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_25 [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_26 [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_3 [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_11 [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_9 [2019-09-20 13:43:35,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_10 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_13 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_14 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_19 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_20 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_6 [2019-09-20 13:43:35,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_12 [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_24 [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-20 13:43:35,801 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-20 13:43:35,802 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-20 13:43:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-20 13:43:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_2 [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gigaset_ops_1 [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2019-09-20 13:43:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_dbg_buffer [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_send_skb [2019-09-20 13:43:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_m10x_input [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_skb_sent [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initdriver [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freedriver [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_blockdriver [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcs [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecs [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_start [2019-09-20 13:43:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_stop [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_shutdown [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_add_event [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_schedule_event [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_down [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_bchannel_up [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_fill_inbuf [2019-09-20 13:43:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_probe [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_disconnect [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_suspend [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_resume [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_pre_reset [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure tiocm_to_gigaset [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_modem_ctrl [2019-09-20 13:43:35,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_value [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_baud_rate [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_set_line_ctrl [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_init_bchannel [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_close_bchannel [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure write_modem [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure send_cb [2019-09-20 13:43:35,810 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_modem_fill [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_read_int_callback [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_bulk_callback [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_cmd [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_write_room [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_chars_in_buffer [2019-09-20 13:43:35,811 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_brkchars [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freebcshw [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initbcshw [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_reinitbcshw [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_freecshw [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure gigaset_initcshw [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_init [2019-09-20 13:43:35,812 INFO L130 BoogieDeclarations]: Found specification of procedure usb_gigaset_exit [2019-09-20 13:43:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-09-20 13:43:35,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-09-20 13:43:35,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-20 13:43:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-20 13:43:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:43:35,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-20 13:43:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-20 13:43:35,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-20 13:43:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-20 13:43:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-20 13:43:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-20 13:43:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-20 13:43:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-20 13:43:35,820 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-09-20 13:43:35,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-09-20 13:43:35,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-09-20 13:43:37,041 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-20 13:43:38,813 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-20 13:43:39,676 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:43:39,677 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:43:39,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:39 BoogieIcfgContainer [2019-09-20 13:43:39,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:43:39,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:43:39,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:43:39,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:43:39,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:43:32" (1/3) ... [2019-09-20 13:43:39,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c93faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:39, skipping insertion in model container [2019-09-20 13:43:39,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:43:35" (2/3) ... [2019-09-20 13:43:39,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c93faa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:43:39, skipping insertion in model container [2019-09-20 13:43:39,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:43:39" (3/3) ... [2019-09-20 13:43:39,692 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--isdn--gigaset--usb_gigaset.ko-entry_point.cil.out.i [2019-09-20 13:43:39,704 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:43:39,717 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:43:39,739 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:43:39,776 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:43:39,776 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:43:39,776 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:43:39,776 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:43:39,776 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:43:39,777 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:43:39,777 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:43:39,777 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:43:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1110 states. [2019-09-20 13:43:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-09-20 13:43:39,866 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:39,867 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:39,870 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:39,876 INFO L82 PathProgramCache]: Analyzing trace with hash -2107994386, now seen corresponding path program 1 times [2019-09-20 13:43:39,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:40,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:40,006 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:40,006 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:40,006 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:43:40,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:40,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:40,725 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:40,806 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:40,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:40,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:40,826 INFO L87 Difference]: Start difference. First operand 1110 states. Second operand 3 states. [2019-09-20 13:43:41,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:41,064 INFO L93 Difference]: Finished difference Result 1812 states and 2412 transitions. [2019-09-20 13:43:41,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:41,066 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2019-09-20 13:43:41,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:41,110 INFO L225 Difference]: With dead ends: 1812 [2019-09-20 13:43:41,110 INFO L226 Difference]: Without dead ends: 1782 [2019-09-20 13:43:41,112 INFO L636 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 [2019-09-20 13:43:41,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1782 states. [2019-09-20 13:43:41,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1782 to 1772. [2019-09-20 13:43:41,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1772 states. [2019-09-20 13:43:41,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1772 states to 1772 states and 2358 transitions. [2019-09-20 13:43:41,308 INFO L78 Accepts]: Start accepts. Automaton has 1772 states and 2358 transitions. Word has length 76 [2019-09-20 13:43:41,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:41,308 INFO L475 AbstractCegarLoop]: Abstraction has 1772 states and 2358 transitions. [2019-09-20 13:43:41,309 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:41,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2358 transitions. [2019-09-20 13:43:41,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-09-20 13:43:41,314 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:41,314 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:41,315 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:41,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:41,315 INFO L82 PathProgramCache]: Analyzing trace with hash -923944147, now seen corresponding path program 1 times [2019-09-20 13:43:41,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:41,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:41,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:41,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:41,327 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:43:41,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:41,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:41,554 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:41,556 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:41,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:41,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:41,557 INFO L87 Difference]: Start difference. First operand 1772 states and 2358 transitions. Second operand 3 states. [2019-09-20 13:43:41,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:41,680 INFO L93 Difference]: Finished difference Result 3514 states and 4733 transitions. [2019-09-20 13:43:41,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:41,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-09-20 13:43:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:41,704 INFO L225 Difference]: With dead ends: 3514 [2019-09-20 13:43:41,705 INFO L226 Difference]: Without dead ends: 3514 [2019-09-20 13:43:41,706 INFO L636 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 [2019-09-20 13:43:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3514 states. [2019-09-20 13:43:41,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3514 to 3505. [2019-09-20 13:43:41,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3505 states. [2019-09-20 13:43:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 4723 transitions. [2019-09-20 13:43:41,896 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 4723 transitions. Word has length 77 [2019-09-20 13:43:41,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:41,899 INFO L475 AbstractCegarLoop]: Abstraction has 3505 states and 4723 transitions. [2019-09-20 13:43:41,899 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 4723 transitions. [2019-09-20 13:43:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-20 13:43:41,903 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:41,904 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:41,904 INFO L418 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:41,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:41,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1421879761, now seen corresponding path program 1 times [2019-09-20 13:43:41,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:41,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:41,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:41,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:41,917 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:42,112 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:43:42,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:42,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:42,113 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:42,113 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:42,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:42,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:42,114 INFO L87 Difference]: Start difference. First operand 3505 states and 4723 transitions. Second operand 3 states. [2019-09-20 13:43:42,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:42,183 INFO L93 Difference]: Finished difference Result 3509 states and 4726 transitions. [2019-09-20 13:43:42,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:42,184 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2019-09-20 13:43:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:42,207 INFO L225 Difference]: With dead ends: 3509 [2019-09-20 13:43:42,207 INFO L226 Difference]: Without dead ends: 3509 [2019-09-20 13:43:42,207 INFO L636 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 [2019-09-20 13:43:42,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3509 states. [2019-09-20 13:43:42,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3509 to 3506. [2019-09-20 13:43:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3506 states. [2019-09-20 13:43:42,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3506 states to 3506 states and 4724 transitions. [2019-09-20 13:43:42,455 INFO L78 Accepts]: Start accepts. Automaton has 3506 states and 4724 transitions. Word has length 78 [2019-09-20 13:43:42,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:42,456 INFO L475 AbstractCegarLoop]: Abstraction has 3506 states and 4724 transitions. [2019-09-20 13:43:42,456 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:42,456 INFO L276 IsEmpty]: Start isEmpty. Operand 3506 states and 4724 transitions. [2019-09-20 13:43:42,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:43:42,459 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:42,459 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:42,459 INFO L418 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:42,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1127981744, now seen corresponding path program 1 times [2019-09-20 13:43:42,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:42,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:42,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:42,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:42,469 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:42,635 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:43:42,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:42,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:42,636 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:42,636 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:42,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:42,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:42,637 INFO L87 Difference]: Start difference. First operand 3506 states and 4724 transitions. Second operand 3 states. [2019-09-20 13:43:42,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:42,680 INFO L93 Difference]: Finished difference Result 3505 states and 4722 transitions. [2019-09-20 13:43:42,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:42,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2019-09-20 13:43:42,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:42,703 INFO L225 Difference]: With dead ends: 3505 [2019-09-20 13:43:42,703 INFO L226 Difference]: Without dead ends: 3505 [2019-09-20 13:43:42,703 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:42,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3505 states. [2019-09-20 13:43:42,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3505 to 3505. [2019-09-20 13:43:42,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3505 states. [2019-09-20 13:43:42,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 3505 states and 4722 transitions. [2019-09-20 13:43:42,815 INFO L78 Accepts]: Start accepts. Automaton has 3505 states and 4722 transitions. Word has length 79 [2019-09-20 13:43:42,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:42,816 INFO L475 AbstractCegarLoop]: Abstraction has 3505 states and 4722 transitions. [2019-09-20 13:43:42,816 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:42,816 INFO L276 IsEmpty]: Start isEmpty. Operand 3505 states and 4722 transitions. [2019-09-20 13:43:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-09-20 13:43:42,818 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:42,819 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:42,819 INFO L418 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:42,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:42,819 INFO L82 PathProgramCache]: Analyzing trace with hash 607082676, now seen corresponding path program 1 times [2019-09-20 13:43:42,819 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:42,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:42,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:42,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:42,830 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:42,988 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-09-20 13:43:42,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:42,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:42,989 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:42,989 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:42,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:42,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:42,990 INFO L87 Difference]: Start difference. First operand 3505 states and 4722 transitions. Second operand 3 states. [2019-09-20 13:43:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:43,024 INFO L93 Difference]: Finished difference Result 3504 states and 4720 transitions. [2019-09-20 13:43:43,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:43,025 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2019-09-20 13:43:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:43,046 INFO L225 Difference]: With dead ends: 3504 [2019-09-20 13:43:43,046 INFO L226 Difference]: Without dead ends: 3469 [2019-09-20 13:43:43,047 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:43,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3469 states. [2019-09-20 13:43:43,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3469 to 3469. [2019-09-20 13:43:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3469 states. [2019-09-20 13:43:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3469 states to 3469 states and 4680 transitions. [2019-09-20 13:43:43,161 INFO L78 Accepts]: Start accepts. Automaton has 3469 states and 4680 transitions. Word has length 80 [2019-09-20 13:43:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:43,162 INFO L475 AbstractCegarLoop]: Abstraction has 3469 states and 4680 transitions. [2019-09-20 13:43:43,162 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:43,162 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 4680 transitions. [2019-09-20 13:43:43,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-20 13:43:43,171 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:43,171 INFO L407 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2019-09-20 13:43:43,171 INFO L418 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:43,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:43,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1332250350, now seen corresponding path program 1 times [2019-09-20 13:43:43,172 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:43,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:43,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:43,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:43,181 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-09-20 13:43:43,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:43:43,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:43:43,478 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:43,479 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:43:43,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:43:43,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:43,479 INFO L87 Difference]: Start difference. First operand 3469 states and 4680 transitions. Second operand 3 states. [2019-09-20 13:43:43,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:43,627 INFO L93 Difference]: Finished difference Result 5340 states and 7147 transitions. [2019-09-20 13:43:43,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:43:43,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2019-09-20 13:43:43,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:43,658 INFO L225 Difference]: With dead ends: 5340 [2019-09-20 13:43:43,658 INFO L226 Difference]: Without dead ends: 5340 [2019-09-20 13:43:43,658 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:43:43,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5340 states. [2019-09-20 13:43:43,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5340 to 5233. [2019-09-20 13:43:43,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5233 states. [2019-09-20 13:43:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5233 states to 5233 states and 7026 transitions. [2019-09-20 13:43:43,824 INFO L78 Accepts]: Start accepts. Automaton has 5233 states and 7026 transitions. Word has length 234 [2019-09-20 13:43:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:43,825 INFO L475 AbstractCegarLoop]: Abstraction has 5233 states and 7026 transitions. [2019-09-20 13:43:43,825 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:43:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand 5233 states and 7026 transitions. [2019-09-20 13:43:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2019-09-20 13:43:43,838 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:43:43,838 INFO L407 BasicCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:43:43,839 INFO L418 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:43:43,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:43,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1622376723, now seen corresponding path program 1 times [2019-09-20 13:43:43,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:43:43,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:43,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:43:43,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:43:43,849 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:43:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:43:44,130 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-09-20 13:43:44,131 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:43:44,131 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:43:44,132 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2019-09-20 13:43:44,135 INFO L207 CegarAbsIntRunner]: [52], [54], [56], [57], [109], [111], [113], [116], [120], [123], [139], [152], [156], [160], [162], [166], [168], [170], [172], [175], [224], [226], [228], [230], [232], [234], [236], [238], [240], [241], [245], [256], [257], [264], [265], [375], [378], [380], [404], [406], [407], [427], [429], [432], [434], [436], [441], [447], [449], [450], [451], [452], [538], [540], [541], [552], [553], [560], [562], [563], [572], [573], [576], [582], [583], [589], [590], [754], [755], [871], [873], [874], [876], [877], [878], [879], [880], [882], [884], [886], [888], [890], [893], [895], [1269], [1272], [1275], [1287], [1290], [1293], [1295], [1301], [1305], [1307], [1326], [1329], [1332], [1335], [1338], [1340], [1345], [1457], [1458], [1459], [1461], [1466], [1477], [1479], [1525], [1527], [1545], [1546], [1723], [1726], [1728], [1731], [1743], [1744], [1754], [1756], [1757], [1772], [1774], [1775], [1866], [1871], [1873], [1878], [1880], [1881], [1890], [1899], [1924], [1927], [1931], [1936], [1938], [1939], [1943], [1945], [1948], [1953], [1954], [2105], [2106], [2107], [2108], [2131], [2132], [2133], [2134], [2139], [2140], [2141], [2142], [2143], [2144], [2145], [2146], [2163], [2164], [2165], [2166], [2167], [2168], [2169], [2170], [2171], [2172], [2173], [2174], [2175], [2176], [2177], [2178], [2215], [2216], [2223], [2224], [2225], [2226], [2237], [2238], [2247], [2248], [2323], [2324], [2325], [2326], [2327], [2328], [2329], [2330], [2331], [2332], [2333], [2334], [2335], [2336], [2337], [2338], [2339], [2340], [2411], [2412], [2417], [2418], [2433], [2435], [2436], [2455], [2456], [2515], [2516], [2519], [2520], [2523], [2524], [2549], [2550], [2557], [2569], [2570], [2571], [2572], [2573], [2575], [2576] [2019-09-20 13:43:44,192 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:43:44,192 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:43:44,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:43:44,344 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 208 root evaluator evaluations with a maximum evaluation depth of 0. Performed 208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 424 variables. [2019-09-20 13:43:44,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:43:44,350 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:43:44,493 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:43:44,494 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:43:44,502 INFO L420 sIntCurrentIteration]: We unified 280 AI predicates to 280 [2019-09-20 13:43:44,502 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:43:44,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:43:44,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 5 [2019-09-20 13:43:44,503 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:43:44,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:43:44,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:43:44,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:43:44,505 INFO L87 Difference]: Start difference. First operand 5233 states and 7026 transitions. Second operand 2 states. [2019-09-20 13:43:44,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:43:44,505 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:43:44,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:43:44,505 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 281 [2019-09-20 13:43:44,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:43:44,506 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:43:44,506 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:43:44,506 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:43:44,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:43:44,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:43:44,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:43:44,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:43:44,508 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 281 [2019-09-20 13:43:44,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:43:44,508 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:43:44,508 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:43:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:43:44,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:43:44,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:43:44 BoogieIcfgContainer [2019-09-20 13:43:44,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:43:44,519 INFO L168 Benchmark]: Toolchain (without parser) took 11821.89 ms. Allocated memory was 131.6 MB in the beginning and 452.5 MB in the end (delta: 320.9 MB). Free memory was 77.5 MB in the beginning and 86.5 MB in the end (delta: -9.0 MB). Peak memory consumption was 311.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:44,520 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:43:44,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2607.79 ms. Allocated memory was 131.6 MB in the beginning and 279.4 MB in the end (delta: 147.8 MB). Free memory was 77.3 MB in the beginning and 216.0 MB in the end (delta: -138.7 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:44,522 INFO L168 Benchmark]: Boogie Preprocessor took 357.55 ms. Allocated memory is still 279.4 MB. Free memory was 216.0 MB in the beginning and 199.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:44,523 INFO L168 Benchmark]: RCFGBuilder took 4016.34 ms. Allocated memory was 279.4 MB in the beginning and 371.7 MB in the end (delta: 92.3 MB). Free memory was 199.4 MB in the beginning and 139.7 MB in the end (delta: 59.7 MB). Peak memory consumption was 152.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:44,524 INFO L168 Benchmark]: TraceAbstraction took 4834.63 ms. Allocated memory was 371.7 MB in the beginning and 452.5 MB in the end (delta: 80.7 MB). Free memory was 139.7 MB in the beginning and 86.5 MB in the end (delta: 53.1 MB). Peak memory consumption was 133.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:43:44,528 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2607.79 ms. Allocated memory was 131.6 MB in the beginning and 279.4 MB in the end (delta: 147.8 MB). Free memory was 77.3 MB in the beginning and 216.0 MB in the end (delta: -138.7 MB). Peak memory consumption was 119.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 357.55 ms. Allocated memory is still 279.4 MB. Free memory was 216.0 MB in the beginning and 199.4 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4016.34 ms. Allocated memory was 279.4 MB in the beginning and 371.7 MB in the end (delta: 92.3 MB). Free memory was 199.4 MB in the beginning and 139.7 MB in the end (delta: 59.7 MB). Peak memory consumption was 152.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4834.63 ms. Allocated memory was 371.7 MB in the beginning and 452.5 MB in the end (delta: 80.7 MB). Free memory was 139.7 MB in the beginning and 86.5 MB in the end (delta: 53.1 MB). Peak memory consumption was 133.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5669]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 131 procedures, 1146 locations, 1 error locations. SAFE Result, 4.7s OverallTime, 7 OverallIterations, 6 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8161 SDtfs, 6485 SDslu, 4599 SDs, 0 SdLazy, 59 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 301 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5233occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.664285714285714 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 129 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 905 NumberOfCodeBlocks, 905 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 898 ConstructedInterpolants, 0 QuantifiedInterpolants, 209998 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 369/371 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...