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--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 10:53:24,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 10:53:24,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 10:53:24,731 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 10:53:24,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 10:53:24,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 10:53:24,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 10:53:24,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 10:53:24,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 10:53:24,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 10:53:24,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 10:53:24,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 10:53:24,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 10:53:24,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 10:53:24,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 10:53:24,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 10:53:24,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 10:53:24,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 10:53:24,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 10:53:24,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 10:53:24,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 10:53:24,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 10:53:24,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 10:53:24,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 10:53:24,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 10:53:24,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 10:53:24,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 10:53:24,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 10:53:24,757 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 10:53:24,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 10:53:24,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 10:53:24,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 10:53:24,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 10:53:24,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 10:53:24,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 10:53:24,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 10:53:24,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 10:53:24,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 10:53:24,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 10:53:24,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 10:53:24,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 10:53:24,766 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 10:53:24,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 10:53:24,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 10:53:24,782 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 10:53:24,782 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 10:53:24,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 10:53:24,783 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 10:53:24,783 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 10:53:24,783 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 10:53:24,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 10:53:24,783 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 10:53:24,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 10:53:24,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 10:53:24,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 10:53:24,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 10:53:24,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 10:53:24,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 10:53:24,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 10:53:24,785 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 10:53:24,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 10:53:24,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 10:53:24,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 10:53:24,786 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 10:53:24,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 10:53:24,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 10:53:24,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 10:53:24,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 10:53:24,787 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 10:53:24,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 10:53:24,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 10:53:24,788 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 10:53:24,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 10:53:24,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 10:53:24,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 10:53:24,839 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 10:53:24,840 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 10:53:24,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2019-09-10 10:53:24,901 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46536d4c6/168ef18c9c674c59b2d443062f66553d/FLAG84a28699b [2019-09-10 10:53:25,609 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 10:53:25,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2019-09-10 10:53:25,645 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46536d4c6/168ef18c9c674c59b2d443062f66553d/FLAG84a28699b [2019-09-10 10:53:26,159 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46536d4c6/168ef18c9c674c59b2d443062f66553d [2019-09-10 10:53:26,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 10:53:26,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 10:53:26,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 10:53:26,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 10:53:26,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 10:53:26,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:53:26" (1/1) ... [2019-09-10 10:53:26,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612f6629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:26, skipping insertion in model container [2019-09-10 10:53:26,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 10:53:26" (1/1) ... [2019-09-10 10:53:26,190 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 10:53:26,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 10:53:27,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:53:27,808 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 10:53:28,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 10:53:28,205 INFO L192 MainTranslator]: Completed translation [2019-09-10 10:53:28,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28 WrapperNode [2019-09-10 10:53:28,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 10:53:28,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 10:53:28,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 10:53:28,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 10:53:28,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,309 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,455 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (1/1) ... [2019-09-10 10:53:28,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 10:53:28,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 10:53:28,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 10:53:28,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 10:53:28,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (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 10:53:28,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 10:53:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 10:53:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:53:28,668 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-09-10 10:53:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-09-10 10:53:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-09-10 10:53:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-09-10 10:53:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-10 10:53:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-09-10 10:53:28,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-09-10 10:53:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-09-10 10:53:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-09-10 10:53:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-09-10 10:53:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-09-10 10:53:28,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-09-10 10:53:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-09-10 10:53:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-09-10 10:53:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure to_spi_device [2019-09-10 10:53:28,671 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_set_drvdata [2019-09-10 10:53:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_get_drvdata [2019-09-10 10:53:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_unregister_driver [2019-09-10 10:53:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_init [2019-09-10 10:53:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_message_add_tail [2019-09-10 10:53:28,672 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_reset [2019-09-10 10:53:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_init [2019-09-10 10:53:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_read_busy [2019-09-10 10:53:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_read [2019-09-10 10:53:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wl12xx_spi_raw_write [2019-09-10 10:53:28,673 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_probe [2019-09-10 10:53:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_remove [2019-09-10 10:53:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_init [2019-09-10 10:53:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure wl1271_spi_driver_exit [2019-09-10 10:53:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_wl1271_if_operations_2 [2019-09-10 10:53:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_spi_driver_1 [2019-09-10 10:53:28,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 10:53:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-09-10 10:53:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-09-10 10:53:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-09-10 10:53:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-09-10 10:53:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-09-10 10:53:28,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-09-10 10:53:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-09-10 10:53:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-09-10 10:53:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-09-10 10:53:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-09-10 10:53:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-09-10 10:53:28,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-09-10 10:53:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-09-10 10:53:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-09-10 10:53:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-09-10 10:53:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-09-10 10:53:28,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-09-10 10:53:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-09-10 10:53:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure crc7 [2019-09-10 10:53:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-09-10 10:53:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-09-10 10:53:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-09-10 10:53:28,678 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2019-09-10 10:53:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-09-10 10:53:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-09-10 10:53:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_2 [2019-09-10 10:53:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add [2019-09-10 10:53:28,679 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_data [2019-09-10 10:53:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_add_resources [2019-09-10 10:53:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_alloc [2019-09-10 10:53:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_put [2019-09-10 10:53:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_device_unregister [2019-09-10 10:53:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_register_driver [2019-09-10 10:53:28,680 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_setup [2019-09-10 10:53:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure spi_sync [2019-09-10 10:53:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-09-10 10:53:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-09-10 10:53:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-10 10:53:28,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-09-10 10:53:28,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-10 10:53:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 10:53:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-09-10 10:53:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-09-10 10:53:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-09-10 10:53:28,682 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-09-10 10:53:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 10:53:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-09-10 10:53:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-09-10 10:53:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 10:53:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2019-09-10 10:53:28,683 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-09-10 10:53:28,684 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-10 10:53:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 10:53:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-10 10:53:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 10:53:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_size_t [2019-09-10 10:53:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-09-10 10:53:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-10 10:53:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-10 10:53:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 10:53:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-09-10 10:53:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-10 10:53:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-09-10 10:53:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_wl1271_if_operations_2 [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_spi_driver_1 [2019-09-10 10:53:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure crc7 [2019-09-10 10:53:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure to_spi_device [2019-09-10 10:53:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spi_set_drvdata [2019-09-10 10:53:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spi_get_drvdata [2019-09-10 10:53:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spi_register_driver [2019-09-10 10:53:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spi_unregister_driver [2019-09-10 10:53:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_init [2019-09-10 10:53:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-09-10 10:53:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure spi_message_add_tail [2019-09-10 10:53:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure spi_setup [2019-09-10 10:53:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure spi_sync [2019-09-10 10:53:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_unregister [2019-09-10 10:53:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_alloc [2019-09-10 10:53:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_resources [2019-09-10 10:53:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add_data [2019-09-10 10:53:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_add [2019-09-10 10:53:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure platform_device_put [2019-09-10 10:53:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_reset [2019-09-10 10:53:28,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 10:53:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 10:53:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 10:53:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_init [2019-09-10 10:53:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 10:53:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_read_busy [2019-09-10 10:53:28,691 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_read [2019-09-10 10:53:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure wl12xx_spi_raw_write [2019-09-10 10:53:28,692 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_probe [2019-09-10 10:53:28,693 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_remove [2019-09-10 10:53:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_init [2019-09-10 10:53:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure wl1271_spi_driver_exit [2019-09-10 10:53:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-09-10 10:53:28,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-09-10 10:53:28,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_2 [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-09-10 10:53:28,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-09-10 10:53:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-09-10 10:53:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-09-10 10:53:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-09-10 10:53:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-09-10 10:53:28,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-09-10 10:53:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-09-10 10:53:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-10 10:53:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-09-10 10:53:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 10:53:28,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 10:53:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-10 10:53:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 10:53:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 10:53:29,711 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-09-10 10:53:30,522 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-09-10 10:53:31,560 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 10:53:31,560 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 10:53:31,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:53:31 BoogieIcfgContainer [2019-09-10 10:53:31,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 10:53:31,563 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 10:53:31,563 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 10:53:31,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 10:53:31,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 10:53:26" (1/3) ... [2019-09-10 10:53:31,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b21c1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:53:31, skipping insertion in model container [2019-09-10 10:53:31,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 10:53:28" (2/3) ... [2019-09-10 10:53:31,569 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b21c1ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 10:53:31, skipping insertion in model container [2019-09-10 10:53:31,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 10:53:31" (3/3) ... [2019-09-10 10:53:31,571 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--ti--wlcore--wlcore_spi.ko-entry_point.cil.out.i [2019-09-10 10:53:31,581 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 10:53:31,591 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 10:53:31,613 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 10:53:31,650 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 10:53:31,650 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 10:53:31,650 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 10:53:31,650 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 10:53:31,651 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 10:53:31,651 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 10:53:31,651 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 10:53:31,651 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 10:53:31,695 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states. [2019-09-10 10:53:31,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-10 10:53:31,719 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:53:31,721 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:53:31,727 INFO L418 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:53:31,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:53:31,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1846387549, now seen corresponding path program 1 times [2019-09-10 10:53:31,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:53:31,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:53:31,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:53:31,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:53:31,873 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:53:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:53:32,301 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-09-10 10:53:32,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 10:53:32,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 10:53:32,305 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:53:32,312 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 10:53:32,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 10:53:32,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 10:53:32,331 INFO L87 Difference]: Start difference. First operand 465 states. Second operand 3 states. [2019-09-10 10:53:32,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:53:32,533 INFO L93 Difference]: Finished difference Result 800 states and 1033 transitions. [2019-09-10 10:53:32,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 10:53:32,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-10 10:53:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:53:32,571 INFO L225 Difference]: With dead ends: 800 [2019-09-10 10:53:32,571 INFO L226 Difference]: Without dead ends: 783 [2019-09-10 10:53:32,573 INFO L628 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 [2019-09-10 10:53:32,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-09-10 10:53:32,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2019-09-10 10:53:32,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2019-09-10 10:53:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1008 transitions. [2019-09-10 10:53:32,696 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1008 transitions. Word has length 52 [2019-09-10 10:53:32,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:53:32,697 INFO L475 AbstractCegarLoop]: Abstraction has 783 states and 1008 transitions. [2019-09-10 10:53:32,697 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 10:53:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1008 transitions. [2019-09-10 10:53:32,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-10 10:53:32,702 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 10:53:32,702 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 10:53:32,702 INFO L418 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 10:53:32,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:53:32,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1907275145, now seen corresponding path program 1 times [2019-09-10 10:53:32,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 10:53:32,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:53:32,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 10:53:32,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 10:53:32,710 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 10:53:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 10:53:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-09-10 10:53:32,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 10:53:32,853 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 10:53:32,856 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2019-09-10 10:53:32,859 INFO L207 CegarAbsIntRunner]: [16], [18], [20], [23], [25], [27], [79], [82], [85], [97], [100], [103], [105], [113], [117], [320], [625], [721], [727], [728], [738], [740], [741], [767], [768], [775], [810], [813], [817], [849], [850], [939], [940], [941], [942], [943], [944], [945], [946], [947], [948], [957], [958], [987], [1119], [1120], [1129], [1141], [1142], [1143] [2019-09-10 10:53:32,915 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 10:53:32,916 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 10:53:33,022 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 10:53:33,024 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 80 root evaluator evaluations with a maximum evaluation depth of 0. Performed 80 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 148 variables. [2019-09-10 10:53:33,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 10:53:33,028 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 10:53:33,068 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 10:53:33,068 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 10:53:33,074 INFO L420 sIntCurrentIteration]: We unified 55 AI predicates to 55 [2019-09-10 10:53:33,074 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 10:53:33,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 10:53:33,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 4 [2019-09-10 10:53:33,076 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 10:53:33,078 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 10:53:33,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 10:53:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 10:53:33,079 INFO L87 Difference]: Start difference. First operand 783 states and 1008 transitions. Second operand 2 states. [2019-09-10 10:53:33,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 10:53:33,079 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 10:53:33,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 10:53:33,080 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 56 [2019-09-10 10:53:33,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 10:53:33,085 INFO L225 Difference]: With dead ends: 2 [2019-09-10 10:53:33,085 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 10:53:33,086 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 55 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 10:53:33,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 10:53:33,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 10:53:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 10:53:33,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 10:53:33,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56 [2019-09-10 10:53:33,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 10:53:33,089 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 10:53:33,089 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 10:53:33,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 10:53:33,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 10:53:33,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 10:53:33 BoogieIcfgContainer [2019-09-10 10:53:33,095 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 10:53:33,097 INFO L168 Benchmark]: Toolchain (without parser) took 6925.68 ms. Allocated memory was 135.3 MB in the beginning and 263.2 MB in the end (delta: 127.9 MB). Free memory was 80.5 MB in the beginning and 78.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:53:33,098 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 10:53:33,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2034.15 ms. Allocated memory was 135.3 MB in the beginning and 226.5 MB in the end (delta: 91.2 MB). Free memory was 80.3 MB in the beginning and 94.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-09-10 10:53:33,100 INFO L168 Benchmark]: Boogie Preprocessor took 281.87 ms. Allocated memory is still 226.5 MB. Free memory was 94.5 MB in the beginning and 85.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:53:33,101 INFO L168 Benchmark]: RCFGBuilder took 3073.44 ms. Allocated memory was 226.5 MB in the beginning and 263.2 MB in the end (delta: 36.7 MB). Free memory was 85.9 MB in the beginning and 169.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 50.2 MB. Max. memory is 7.1 GB. [2019-09-10 10:53:33,102 INFO L168 Benchmark]: TraceAbstraction took 1531.49 ms. Allocated memory is still 263.2 MB. Free memory was 169.4 MB in the beginning and 78.8 MB in the end (delta: 90.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. [2019-09-10 10:53:33,106 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2034.15 ms. Allocated memory was 135.3 MB in the beginning and 226.5 MB in the end (delta: 91.2 MB). Free memory was 80.3 MB in the beginning and 94.5 MB in the end (delta: -14.2 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 281.87 ms. Allocated memory is still 226.5 MB. Free memory was 94.5 MB in the beginning and 85.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3073.44 ms. Allocated memory was 226.5 MB in the beginning and 263.2 MB in the end (delta: 36.7 MB). Free memory was 85.9 MB in the beginning and 169.4 MB in the end (delta: -83.5 MB). Peak memory consumption was 50.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1531.49 ms. Allocated memory is still 263.2 MB. Free memory was 169.4 MB in the beginning and 78.8 MB in the end (delta: 90.6 MB). Peak memory consumption was 90.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6411]: 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 75 procedures, 565 locations, 1 error locations. SAFE Result, 1.4s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 656 SDtfs, 472 SDslu, 544 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=783occurred in iteration=1, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.8727272727272726 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 106 ConstructedInterpolants, 0 QuantifiedInterpolants, 6678 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 13/16 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...